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[[FrontPage]]
* re-submitted to ApJL on 7th July, 2015 --> accepted on ...
** manuscript: [#m993911f]
- pdf: &ref(ms_MAESTLO.pdf);
- tex source: &ref(ms_MAESTLO.tex);
- tar.gz (incl. tex source, pdf, and all figures): &ref(m...
*** Figures & Table: [#m1572985]
- Tab. 1: &ref(Tab1.jpg,,15%);
- Tab. 2: &ref(Tab2.jpg,,50%);
- Fig. 1: &ref(f1.jpg,,25%); &ref(f1.eps);
- Fig. 2: &ref(f2.jpg,,15%); &ref(f2.eps);
- Fig. 3: &ref(f3.jpg,,25%); &ref(f3.eps);
*** Report from Referee (2015/06/30): [#vb2b7c21]
I thank the authors for their response, and they have sa...
addressed most of my concerns. But there are two issues ...
still unsatisfied with.
1) The first has to do with the size measurements. The u...
uncertainties on the fits seem to be more realistic. How...
still quite worried about the size measurements. Now the...
for which there is a measurement in the ground-based i'-...
as the ACS i-band still gives very different size measur...
(although they are consistent at ~2 sigma). So this does...
alleviate my previous concern that the i'-band measureme...
very biased... and if they are biased, then the IA measu...
also be biased (especially since those bands have even w...
seeing). So the authors need to do more to convince read...
Lyman-alpha emission really is extended.
The authors state that "all the MAESTLOs cannot be disti...
the point sources in the Subaru i'-band data." How exact...
authors determined this? Can the authors definitively ru...
the IA-band light profiles can be modeled as compact sou...
simulations performed by the authors in the new manuscri...
but all they show is the accuracy with which it is possi...
large sizes measurements, which may themselves already b...
biased). There are several ways to test this. Perhaps th...
be to do simulations as the authors have already done, p...
light profiles at random locations, but use the best-fit...
light profiles rather than the IA-band light profiles. T...
could do this in both the i'-band and the IA bands; this...
show whether the updated uncertainties are reliable, and...
show whether the ground-based size measurements are bias...
On a related point, in the updated text the authors stat...
observed surface brightnesses with an exponential law" (...
paragraph of section 2). I assume that they leave the Se...
free in the fit, rather than forcing it to an exponentia...
(n=1). However if they have forced n=1 then they should ...
this is necessary and justified.
2) I am still puzzled by the author's interpretation of ...
Lyman-alpha emission as due to superwinds that are left ...
star formation episode. Although this is certainly an in...
idea, there are other possible explanations, and there i...
literature on the complicated physics and geometry of Ly...
emission that the authors do not address at all.
As the present manuscript is a Letter, and the focus is ...
observational result rather than a physical interpretati...
extended discussion of the possible causes of the Lyman-...
is clearly not necessary. But the authors need to at lea...
attention to the fact that the physical explanation of s...
quite speculative, and that there are other possible exp...
For instance, the extended Lyman-alpha emission may be r...
Lyman-alpha blobs (LABs). The LABs are indeed mysterious...
far as I know, the cause(s) of their emission is still c...
uncertain. As just one example from the literature, Dijk...
(2009) discussion several possible explanations for the ...
LABs, and endorse the idea that the emission is due to the
gravitational energy of infalling gas. It is also worth ...
Steidel et al. (2011) show that extended Lyman-alpha emi...
ubiquitous around ordinary star-forming galaxies at these
redshifts. Those authors discuss in detail the ways in w...
Lyman-alpha photons can originate from *within* the gala...
than outside of the galaxies.
Here I have picked just two well-known examples in the l...
discuss possible origins of extended Lyman-alpha emissio...
number of others. Of course the nature of the Lyman-alph...
from the quenched galaxies discussed here may be very di...
the Lyman-alpha blobs or from ordinary star-forming gala...
the other hand they may all have the same underlying cau...
authors have not given any reason for preferring their p...
explanation over the various other explanations in the l...
One interesting point which the authors may choose to pu...
based on the UVJ color-color diagram it seems that galax...
6 (and perhaps 3) are in a post-starburst phase. Since t...
outflow velocities from star formation is well-known (AG...
and the authors have some estimate of the extent of the ...
emission, it would be trivial to estimate the approximat...
the superwind (if that is what's causing the emission) a...
determine if it's consistent with the time since last si...
formation from the SED fitting.
Regardless, the authors need to draw specific attention ...
that the physical explanation of superwinds is quite spe...
that there are other possible explanations.
*** Reply to Referee (7th July, 2015): [#vb2b7c21]
- pdf: &ref(ResponseToReferee.pdf);
- text:
> ===================================================
> Report from Referee:
>
> I thank the authors for their response, and they have ...
> addressed most of my concerns. But there are two issue...
> still unsatisfied with.
Thank you very much for your comments.
We have revised our paper taking account of your comments.
As for the details, please see below.
> 1) The first has to do with the size measurements. The...
> uncertainties on the fits seem to be more realistic. H...
> still quite worried about the size measurements. Now t...
> for which there is a measurement in the ground-based i...
> as the ACS i-band still gives very different size meas...
> (although they are consistent at ~2 sigma). So this do...
> alleviate my previous concern that the i'-band measure...
> very biased... and if they are biased, then the IA mea...
> also be biased (especially since those bands have even...
> seeing). So the authors need to do more to convince re...
> Lyman-alpha emission really is extended.
Thank you very much for this comment.
In order to show our Monte Carlo simulation results unam...
we have given f_unres, the fraction of the cases where G...
the “unresolved” flag in the 200 simulations in Table 2 ...
A non-zero value of f_unres indicates that the best-fit...
with the pure PSF in some cases; namely, such an object ...
only marginally or not resolved.
As shown in the last column of Table 2, the above simula...
the following results for the IA images.
-------------------
No. f_unres
-------------------
1 0
2 0
3 0
4 0.685
5 0.050
6 0.410
-------------------
Taking these results into account, we can can conclude t...
Ly-alpha emission is really extended for Nos. 1, 2, and ...
we cannot conclude that the Ly-alpha emission is really ...
Nos. 4, 5, and 6. We have given these statements in the ...
Section 2 in the newly revised manuscript.
> The authors state that "all the MAESTLOs cannot be dis...
> the point sources in the Subaru i'-band data." How exa...
> authors determined this? Can the authors definitively ...
> the IA-band light profiles can be modeled as compact s...
> simulations performed by the authors in the new manusc...
> but all they show is the accuracy with which it is pos...
> large sizes measurements, which may themselves already...
> biased). There are several ways to test this. Perhaps ...
> be to do simulations as the authors have already done,...
> light profiles at random locations, but use the best-f...
> light profiles rather than the IA-band light profiles....
> could do this in both the i'-band and the IA bands; th...
> show whether the updated uncertainties are reliable, a...
> show whether the ground-based size measurements are bi...
Thank you very much for this comment. Following your su...
have also carried out additional simulations. In these ...
(1) we convolved model galaxies with the best-fit F814...
light profile with the PSF of the IA-band data,
(2) then, we added them into the IA-band image, and
(3) we measured their sizes with GALFIT.
We performed 200 such simulations for the two MAESTLOs w...
extended Lya emission (Nos. 1 and 3) for which ACS image...
note that No. 2 is located out of the ACS coverage. As ...
found that GALFIT returned the "unresolved" flag in most...
(185/200 and 169/200 for Nos. 1 and 3, respectively). T...
have confirmed that their Ly-alpha emission is really ex...
their IA images. We have also added this result in Sect...
newly revised manuscript.
> On a related point, in the updated text the authors st...
> observed surface brightnesses with an exponential law"...
> paragraph of section 2). I assume that they leave the ...
> free in the fit, rather than forcing it to an exponent...
> (n=1). However if they have forced n=1 then they shoul...
> this is necessary and justified.
Thank you very much for this comment. Actually, we trie...
the Sersic profile at first in our simulations. However...
that our data are not deep enough to resolve the well-kn...
between the radius and Sersic index, and thus the radius...
strongly constrained if n is free. Therefore we measure...
under the assumption of n=1. We have also added this ex...
Section 2.
> 2) I am still puzzled by the author's interpretation o...
> Lyman-alpha emission as due to superwinds that are lef...
> star formation episode. Although this is certainly an ...
> idea, there are other possible explanations, and there...
> literature on the complicated physics and geometry of ...
> emission that the authors do not address at all.
> As the present manuscript is a Letter, and the focus i...
> observational result rather than a physical interpreta...
> extended discussion of the possible causes of the Lyma...
> is clearly not necessary. But the authors need to at l...
> attention to the fact that the physical explanation of...
> quite speculative, and that there are other possible e...
Thank you very much for this comment. As you mentioned, ...
not a FULL-LENGTH but a LETTER one. Therefore, we did n...
give a long review on possible physical mechanisms for t...
extended Ly-alpha emission around our MAESTLOs. Since w...
that the most plausible interpretation is the superwind ...
focused on the explanation adopting this model in our ma...
However, taking account of your suggestion, we have shor...
weakened the discussion based on the superwind model (se...
please).
> For instance, the extended Lyman-alpha emission may be...
> Lyman-alpha blobs (LABs). The LABs are indeed mysterio...
> far as I know, the cause(s) of their emission is still...
> uncertain. As just one example from the literature, Di...
> (2009) discussion several possible explanations for th...
> LABs, and endorse the idea that the emission is due to...
> gravitational energy of infalling gas. It is also wort...
> Steidel et al. (2011) show that extended Lyman-alpha e...
> ubiquitous around ordinary star-forming galaxies at th...
> redshifts. Those authors discuss in detail the ways in...
> Lyman-alpha photons can originate from *within* the ga...
> than outside of the galaxies.
> Here I have picked just two well-known examples in the...
> discuss possible origins of extended Lyman-alpha emiss...
> number of others. Of course the nature of the Lyman-al...
> from the quenched galaxies discussed here may be very ...
> the Lyman-alpha blobs or from ordinary star-forming ga...
> the other hand they may all have the same underlying c...
> authors have not given any reason for preferring their...
> explanation over the various other explanations in the...
> One interesting point which the authors may choose to ...
> based on the UVJ color-color diagram it seems that gal...
> 6 (and perhaps 3) are in a post-starburst phase. Since...
> outflow velocities from star formation is well-known (...
> and the authors have some estimate of the extent of t...
> emission, it would be trivial to estimate the approxim...
> the superwind (if that is what's causing the emission)...
> determine if it's consistent with the time since last ...
> formation from the SED fitting.
> Regardless, the authors need to draw specific attentio...
> that the physical explanation of superwinds is quite s...
> that there are other possible explanations.
Thank you very much for these comments. As you mentioned...
extended Ly-alpha emission around our MAESTLOs may be re...
However, we do not think so because the observed sizes o...
emission nebulae are only several kpc. Please remember t...
LABs range from several tens kpc to ~ 100 kpc. Actually,...
mention about LABs in our original manuscript.
Yet, previous discussions on the origin of LABs are usef...
summarize several possible origins for LABs below;
(1) resonant scattering of Ly-alpha photons produced ...
of a galaxy (Moller & Warren 1998),
(2) the superwind model (Taniguchi & Shioya 2000),
(3) photoionization by nearby galaxies and/or AGNs (C...
(4) gravitational cooling radiation (Haiman et al. 20...
Among them, we consider that the first three mechanisms ...
the observed extended Ly alpha emission surrounding the ...
now also consider that we cannot discriminate them solel...
observational properties of MAESTLOs given in this Lette...
we have decided to shorten and weakened the discussion b...
superwind model given in our previous manuscript. Instea...
simply mentioned the above three possible origins equall...
We have also made the same change in the ABSTRACT.
Please note also that we do not discuss superwind proper...
outflow velocity, time scale, and so on because we have ...
mentioned about the superwind model as one of possibility.
From a theoretical point of view, we also consider that ...
gravitational cooling radiation may be related to LAB
phenomena. However, we have not yet found any LABs cause...
gravitational cooling radiation to date. One possible c...
in GOODS-S found by Norris et al. (2006). Although this...
discussed as the best case for gravitational cooling rad...
these years, Prescott et al. (2015, ApJ, 802, 32) have r...
identified 6 galaxies and one AGN are associated with th...
Therefore, we now have no observational evidence for gra...
cooling radiation. Further, gravitational cooling radia...
quite unlikely case for the MAESTLOs because a very mass...
galaxy already exists in each MAESTLO. Such gravitation...
radiation would be brighter in the forming phase of gian...
since the cold gas accretion rate could be much higher. ...
do not mention about this model in the newly revised man...
We have shifted the discussion on the extended Ly alpha ...
the final part of Section 3.
--------------------------------------------------------...
Finally, we would like to mention about the following th...
1. We have made a Chandra stacking analysis for our six ...
confirmed non detection. We have given a short note ...
analysis in Footnote 18.
"Note that a stacking analysis for the 6 MAESTLOs, co...
to a ~ 650 ksec exposure, results in no detection. T...
limit in the 0.5--2 keV band is 3.63x10^{-5} counts s...
corresponds to a rest-frame luminosity of 7.76x10^{42...
at z ~ 3."
Since this analysis has been made communicating with o...
members, Richard Griffith and Fracesca Civano, we have...
as our co-authors.
2. We have found a typo in Table 1 for MAESTLO No. 4.
EW0(Lya) = 110 +/- 15 A should be read as 178 +/- 16 A
log[SFR(Lya)/(Msun/yr)] = 0.70^{+0.05}_{-0.05} should...
0.88^{+0.03}_{-0.03}
As shown in Figure 1, the Ly alpha emission of this o...
detected in the two IA filter bands, IA 505 and IA 52...
previous manuscript, we showed EW0(Lya) based on the ...
measurement. However, since we should use EW0(Lya) ba...
527 measurement, we have made the above changes in Ta...
The radius is remeasured by using the IA 572 image ad...
following change has been made in new Table 2. r_HL(...
(in Table 1 in the original manuscript) --> < 6.20 k...
Table 2 in this newly revised manuscript).
Please note that there is no change in Figure 2 where...
IA 527 measurement.
We are very sorry for this mistake. Please accept ou...
apologies.
3. We have merged the previous Fig. 2 and Fig. 3 into a ...
the newly revised manuscript. Since the ordinate is ...
the previous Fig. 2 and Fig. 3, this change is reason...
makes the paper size shorten.
That's all. Thank you very much.
終了行:
[[FrontPage]]
* re-submitted to ApJL on 7th July, 2015 --> accepted on ...
** manuscript: [#m993911f]
- pdf: &ref(ms_MAESTLO.pdf);
- tex source: &ref(ms_MAESTLO.tex);
- tar.gz (incl. tex source, pdf, and all figures): &ref(m...
*** Figures & Table: [#m1572985]
- Tab. 1: &ref(Tab1.jpg,,15%);
- Tab. 2: &ref(Tab2.jpg,,50%);
- Fig. 1: &ref(f1.jpg,,25%); &ref(f1.eps);
- Fig. 2: &ref(f2.jpg,,15%); &ref(f2.eps);
- Fig. 3: &ref(f3.jpg,,25%); &ref(f3.eps);
*** Report from Referee (2015/06/30): [#vb2b7c21]
I thank the authors for their response, and they have sa...
addressed most of my concerns. But there are two issues ...
still unsatisfied with.
1) The first has to do with the size measurements. The u...
uncertainties on the fits seem to be more realistic. How...
still quite worried about the size measurements. Now the...
for which there is a measurement in the ground-based i'-...
as the ACS i-band still gives very different size measur...
(although they are consistent at ~2 sigma). So this does...
alleviate my previous concern that the i'-band measureme...
very biased... and if they are biased, then the IA measu...
also be biased (especially since those bands have even w...
seeing). So the authors need to do more to convince read...
Lyman-alpha emission really is extended.
The authors state that "all the MAESTLOs cannot be disti...
the point sources in the Subaru i'-band data." How exact...
authors determined this? Can the authors definitively ru...
the IA-band light profiles can be modeled as compact sou...
simulations performed by the authors in the new manuscri...
but all they show is the accuracy with which it is possi...
large sizes measurements, which may themselves already b...
biased). There are several ways to test this. Perhaps th...
be to do simulations as the authors have already done, p...
light profiles at random locations, but use the best-fit...
light profiles rather than the IA-band light profiles. T...
could do this in both the i'-band and the IA bands; this...
show whether the updated uncertainties are reliable, and...
show whether the ground-based size measurements are bias...
On a related point, in the updated text the authors stat...
observed surface brightnesses with an exponential law" (...
paragraph of section 2). I assume that they leave the Se...
free in the fit, rather than forcing it to an exponentia...
(n=1). However if they have forced n=1 then they should ...
this is necessary and justified.
2) I am still puzzled by the author's interpretation of ...
Lyman-alpha emission as due to superwinds that are left ...
star formation episode. Although this is certainly an in...
idea, there are other possible explanations, and there i...
literature on the complicated physics and geometry of Ly...
emission that the authors do not address at all.
As the present manuscript is a Letter, and the focus is ...
observational result rather than a physical interpretati...
extended discussion of the possible causes of the Lyman-...
is clearly not necessary. But the authors need to at lea...
attention to the fact that the physical explanation of s...
quite speculative, and that there are other possible exp...
For instance, the extended Lyman-alpha emission may be r...
Lyman-alpha blobs (LABs). The LABs are indeed mysterious...
far as I know, the cause(s) of their emission is still c...
uncertain. As just one example from the literature, Dijk...
(2009) discussion several possible explanations for the ...
LABs, and endorse the idea that the emission is due to the
gravitational energy of infalling gas. It is also worth ...
Steidel et al. (2011) show that extended Lyman-alpha emi...
ubiquitous around ordinary star-forming galaxies at these
redshifts. Those authors discuss in detail the ways in w...
Lyman-alpha photons can originate from *within* the gala...
than outside of the galaxies.
Here I have picked just two well-known examples in the l...
discuss possible origins of extended Lyman-alpha emissio...
number of others. Of course the nature of the Lyman-alph...
from the quenched galaxies discussed here may be very di...
the Lyman-alpha blobs or from ordinary star-forming gala...
the other hand they may all have the same underlying cau...
authors have not given any reason for preferring their p...
explanation over the various other explanations in the l...
One interesting point which the authors may choose to pu...
based on the UVJ color-color diagram it seems that galax...
6 (and perhaps 3) are in a post-starburst phase. Since t...
outflow velocities from star formation is well-known (AG...
and the authors have some estimate of the extent of the ...
emission, it would be trivial to estimate the approximat...
the superwind (if that is what's causing the emission) a...
determine if it's consistent with the time since last si...
formation from the SED fitting.
Regardless, the authors need to draw specific attention ...
that the physical explanation of superwinds is quite spe...
that there are other possible explanations.
*** Reply to Referee (7th July, 2015): [#vb2b7c21]
- pdf: &ref(ResponseToReferee.pdf);
- text:
> ===================================================
> Report from Referee:
>
> I thank the authors for their response, and they have ...
> addressed most of my concerns. But there are two issue...
> still unsatisfied with.
Thank you very much for your comments.
We have revised our paper taking account of your comments.
As for the details, please see below.
> 1) The first has to do with the size measurements. The...
> uncertainties on the fits seem to be more realistic. H...
> still quite worried about the size measurements. Now t...
> for which there is a measurement in the ground-based i...
> as the ACS i-band still gives very different size meas...
> (although they are consistent at ~2 sigma). So this do...
> alleviate my previous concern that the i'-band measure...
> very biased... and if they are biased, then the IA mea...
> also be biased (especially since those bands have even...
> seeing). So the authors need to do more to convince re...
> Lyman-alpha emission really is extended.
Thank you very much for this comment.
In order to show our Monte Carlo simulation results unam...
we have given f_unres, the fraction of the cases where G...
the “unresolved” flag in the 200 simulations in Table 2 ...
A non-zero value of f_unres indicates that the best-fit...
with the pure PSF in some cases; namely, such an object ...
only marginally or not resolved.
As shown in the last column of Table 2, the above simula...
the following results for the IA images.
-------------------
No. f_unres
-------------------
1 0
2 0
3 0
4 0.685
5 0.050
6 0.410
-------------------
Taking these results into account, we can can conclude t...
Ly-alpha emission is really extended for Nos. 1, 2, and ...
we cannot conclude that the Ly-alpha emission is really ...
Nos. 4, 5, and 6. We have given these statements in the ...
Section 2 in the newly revised manuscript.
> The authors state that "all the MAESTLOs cannot be dis...
> the point sources in the Subaru i'-band data." How exa...
> authors determined this? Can the authors definitively ...
> the IA-band light profiles can be modeled as compact s...
> simulations performed by the authors in the new manusc...
> but all they show is the accuracy with which it is pos...
> large sizes measurements, which may themselves already...
> biased). There are several ways to test this. Perhaps ...
> be to do simulations as the authors have already done,...
> light profiles at random locations, but use the best-f...
> light profiles rather than the IA-band light profiles....
> could do this in both the i'-band and the IA bands; th...
> show whether the updated uncertainties are reliable, a...
> show whether the ground-based size measurements are bi...
Thank you very much for this comment. Following your su...
have also carried out additional simulations. In these ...
(1) we convolved model galaxies with the best-fit F814...
light profile with the PSF of the IA-band data,
(2) then, we added them into the IA-band image, and
(3) we measured their sizes with GALFIT.
We performed 200 such simulations for the two MAESTLOs w...
extended Lya emission (Nos. 1 and 3) for which ACS image...
note that No. 2 is located out of the ACS coverage. As ...
found that GALFIT returned the "unresolved" flag in most...
(185/200 and 169/200 for Nos. 1 and 3, respectively). T...
have confirmed that their Ly-alpha emission is really ex...
their IA images. We have also added this result in Sect...
newly revised manuscript.
> On a related point, in the updated text the authors st...
> observed surface brightnesses with an exponential law"...
> paragraph of section 2). I assume that they leave the ...
> free in the fit, rather than forcing it to an exponent...
> (n=1). However if they have forced n=1 then they shoul...
> this is necessary and justified.
Thank you very much for this comment. Actually, we trie...
the Sersic profile at first in our simulations. However...
that our data are not deep enough to resolve the well-kn...
between the radius and Sersic index, and thus the radius...
strongly constrained if n is free. Therefore we measure...
under the assumption of n=1. We have also added this ex...
Section 2.
> 2) I am still puzzled by the author's interpretation o...
> Lyman-alpha emission as due to superwinds that are lef...
> star formation episode. Although this is certainly an ...
> idea, there are other possible explanations, and there...
> literature on the complicated physics and geometry of ...
> emission that the authors do not address at all.
> As the present manuscript is a Letter, and the focus i...
> observational result rather than a physical interpreta...
> extended discussion of the possible causes of the Lyma...
> is clearly not necessary. But the authors need to at l...
> attention to the fact that the physical explanation of...
> quite speculative, and that there are other possible e...
Thank you very much for this comment. As you mentioned, ...
not a FULL-LENGTH but a LETTER one. Therefore, we did n...
give a long review on possible physical mechanisms for t...
extended Ly-alpha emission around our MAESTLOs. Since w...
that the most plausible interpretation is the superwind ...
focused on the explanation adopting this model in our ma...
However, taking account of your suggestion, we have shor...
weakened the discussion based on the superwind model (se...
please).
> For instance, the extended Lyman-alpha emission may be...
> Lyman-alpha blobs (LABs). The LABs are indeed mysterio...
> far as I know, the cause(s) of their emission is still...
> uncertain. As just one example from the literature, Di...
> (2009) discussion several possible explanations for th...
> LABs, and endorse the idea that the emission is due to...
> gravitational energy of infalling gas. It is also wort...
> Steidel et al. (2011) show that extended Lyman-alpha e...
> ubiquitous around ordinary star-forming galaxies at th...
> redshifts. Those authors discuss in detail the ways in...
> Lyman-alpha photons can originate from *within* the ga...
> than outside of the galaxies.
> Here I have picked just two well-known examples in the...
> discuss possible origins of extended Lyman-alpha emiss...
> number of others. Of course the nature of the Lyman-al...
> from the quenched galaxies discussed here may be very ...
> the Lyman-alpha blobs or from ordinary star-forming ga...
> the other hand they may all have the same underlying c...
> authors have not given any reason for preferring their...
> explanation over the various other explanations in the...
> One interesting point which the authors may choose to ...
> based on the UVJ color-color diagram it seems that gal...
> 6 (and perhaps 3) are in a post-starburst phase. Since...
> outflow velocities from star formation is well-known (...
> and the authors have some estimate of the extent of t...
> emission, it would be trivial to estimate the approxim...
> the superwind (if that is what's causing the emission)...
> determine if it's consistent with the time since last ...
> formation from the SED fitting.
> Regardless, the authors need to draw specific attentio...
> that the physical explanation of superwinds is quite s...
> that there are other possible explanations.
Thank you very much for these comments. As you mentioned...
extended Ly-alpha emission around our MAESTLOs may be re...
However, we do not think so because the observed sizes o...
emission nebulae are only several kpc. Please remember t...
LABs range from several tens kpc to ~ 100 kpc. Actually,...
mention about LABs in our original manuscript.
Yet, previous discussions on the origin of LABs are usef...
summarize several possible origins for LABs below;
(1) resonant scattering of Ly-alpha photons produced ...
of a galaxy (Moller & Warren 1998),
(2) the superwind model (Taniguchi & Shioya 2000),
(3) photoionization by nearby galaxies and/or AGNs (C...
(4) gravitational cooling radiation (Haiman et al. 20...
Among them, we consider that the first three mechanisms ...
the observed extended Ly alpha emission surrounding the ...
now also consider that we cannot discriminate them solel...
observational properties of MAESTLOs given in this Lette...
we have decided to shorten and weakened the discussion b...
superwind model given in our previous manuscript. Instea...
simply mentioned the above three possible origins equall...
We have also made the same change in the ABSTRACT.
Please note also that we do not discuss superwind proper...
outflow velocity, time scale, and so on because we have ...
mentioned about the superwind model as one of possibility.
From a theoretical point of view, we also consider that ...
gravitational cooling radiation may be related to LAB
phenomena. However, we have not yet found any LABs cause...
gravitational cooling radiation to date. One possible c...
in GOODS-S found by Norris et al. (2006). Although this...
discussed as the best case for gravitational cooling rad...
these years, Prescott et al. (2015, ApJ, 802, 32) have r...
identified 6 galaxies and one AGN are associated with th...
Therefore, we now have no observational evidence for gra...
cooling radiation. Further, gravitational cooling radia...
quite unlikely case for the MAESTLOs because a very mass...
galaxy already exists in each MAESTLO. Such gravitation...
radiation would be brighter in the forming phase of gian...
since the cold gas accretion rate could be much higher. ...
do not mention about this model in the newly revised man...
We have shifted the discussion on the extended Ly alpha ...
the final part of Section 3.
--------------------------------------------------------...
Finally, we would like to mention about the following th...
1. We have made a Chandra stacking analysis for our six ...
confirmed non detection. We have given a short note ...
analysis in Footnote 18.
"Note that a stacking analysis for the 6 MAESTLOs, co...
to a ~ 650 ksec exposure, results in no detection. T...
limit in the 0.5--2 keV band is 3.63x10^{-5} counts s...
corresponds to a rest-frame luminosity of 7.76x10^{42...
at z ~ 3."
Since this analysis has been made communicating with o...
members, Richard Griffith and Fracesca Civano, we have...
as our co-authors.
2. We have found a typo in Table 1 for MAESTLO No. 4.
EW0(Lya) = 110 +/- 15 A should be read as 178 +/- 16 A
log[SFR(Lya)/(Msun/yr)] = 0.70^{+0.05}_{-0.05} should...
0.88^{+0.03}_{-0.03}
As shown in Figure 1, the Ly alpha emission of this o...
detected in the two IA filter bands, IA 505 and IA 52...
previous manuscript, we showed EW0(Lya) based on the ...
measurement. However, since we should use EW0(Lya) ba...
527 measurement, we have made the above changes in Ta...
The radius is remeasured by using the IA 572 image ad...
following change has been made in new Table 2. r_HL(...
(in Table 1 in the original manuscript) --> < 6.20 k...
Table 2 in this newly revised manuscript).
Please note that there is no change in Figure 2 where...
IA 527 measurement.
We are very sorry for this mistake. Please accept ou...
apologies.
3. We have merged the previous Fig. 2 and Fig. 3 into a ...
the newly revised manuscript. Since the ordinate is ...
the previous Fig. 2 and Fig. 3, this change is reason...
makes the paper size shorten.
That's all. Thank you very much.
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