Changeset 41276 for trunk/doc/release.2015/ps1.calibration/response.txt
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- Feb 24, 2020, 3:35:23 PM (6 years ago)
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trunk/doc/release.2015/ps1.calibration/response.txt
r41241 r41276 1 2 ** We are resubmitting our article "Pan-STARRS Photometric and3 Astrometric Calibration" after addressing suggestions raised by the4 referee. We thank the referee for detailed comments and5 suggestions. Below are our responses to the referee's suggestions.6 In the response below, our responses are preceeded by "**".7 Modified portions of the article text are highlighted with boldface8 type.9 1 10 2 Reviewer's Comments: 11 3 12 The paper "Pan-STARRS Photometric and Astrometric Calibration" by 13 Magnier et al. describes the calibration of a major modern sky survey. 14 The paper is well written and provides sufficient technical detail to not 15 only for the reader to understand what was done, but also to inform 16 future surveys. Given this legacy aspect, my only major comment is 17 that it would be prudent to discuss the performance of Pan-STARRS 18 calibration in comparison to other major optical surveys, such as SDSS, 19 DES and HSC surveys. Such a discussion would illuminate all your 20 advances and provide direction for future work. My other, much more 21 minor comments are listed below. 4 The paper "Pan-STARRS Photometric and Astrometric Calibration" by Magnier et al. describes the calibration of a major modern sky survey. The paper is well written and provides sufficient technical detail to not only for the reader to understand what was done, but also to inform future surveys. Given this legacy aspect, my only major comment is that it would be prudent to discuss the performance of Pan-STARRS calibration in comparison to other major optical surveys, such as SDSS, DES and HSC surveys. Such a discussion would illuminate all your advances and provide direction for future work. My other, much more minor comments are listed below. 22 5 23 ** We agree with this suggestion and have substantially extended the 24 Conclusion section to put this article in the context of other 25 recent and future surveys. 6 ** We agree with this suggestion and have substantially extended the Conclusion section to put this article in the context of other recent and future surveys. 26 7 27 - Abstract: it would be good to provide quantitative summary of photometric 28 and astrometric performance (such as values listed in fig. 4 caption) 8 - Abstract: it would be good to provide quantitative summary of photometric and astrometric performance (such as values listed in fig. 4 caption) 29 9 30 10 ** we added this to the abstract. 31 11 32 - after eqs. 5 and 6: I was puzzled why there was no source color 33 dependence in these equations; you may want to clarify that early 12 - after eqs. 5 and 6: I was puzzled why there was no source color dependence in these equations; you may want to clarify that early 34 13 35 14 ** clarification added to the end of section 3.3 … … 39 18 ** fixed 40 19 41 - page 8, left column, 1st paragraph: you may want to state that your 42 fundamental assumption is that the chemical and thermodynamical 43 state of the atmosphere is constant throughout a night 20 - page 8, left column, 1st paragraph: you may want to state that your fundamental assumption is that the chemical and thermodynamical state of the atmosphere is constant throughout a night 44 21 45 22 ** clarification added 46 23 47 - page 8, left column, 3rd paragraph: what does word "reliability" mean 48 in this context? It's certainly not standard statistical usage. 24 - page 8, left column, 3rd paragraph: what does word "reliability" mean in this context? It's certainly not standard statistical usage. 49 25 50 ** This paragraph was reworded to describe the reliablity of the 51 Schlafly et al results more clearly. 26 ** This paragraph was reworded to describe the reliablity of the Schlafly et al results more clearly. 52 27 53 - page 8, left column, last paragraph: this result (20-35 mmag) is 54 discrepant by a factor of ~3 compared to Schlafly et al. results; 55 please comment and clarify 28 - page 8, left column, last paragraph: this result (20-35 mmag) is discrepant by a factor of ~3 compared to Schlafly et al. results; please comment and clarify 56 29 57 ** The Schlafly et al results do not constrain the absolute zero 58 points, relying on a tie via SDSS. The Scolnic et al analysis 59 determines the absolute zero points directly. This has been 30 ** The Schlafly et al results do not constrain the absolute zero points, relying on a tie via SDSS. The Scolnic et al analysis determines the absolute zero points directly. This has been 60 31 explained at the end of Section 5.1. 61 32 62 33 63 - page 9, right column, 2nd paragraph: this clipping procedure sounds 64 like an ad hoc hocus pocus; can you provide at least some statistical 65 justification (e.g. what is the distribution model you had in your mind)? 66 perhaps even more ad hoc procedure is assigning weights of 10x their 67 default; why 10 and not 5, or 50, or? 34 - page 9, right column, 2nd paragraph: this clipping procedure sounds like an ad hoc hocus pocus; can you provide at least some statistical justification (e.g. what is the distribution model you had in your mind)? perhaps even more ad hoc procedure is assigning weights of 10x their default; why 10 and not 5, or 50, or? 68 35 69 ** Text has been added to 5.3 (p. 10) to explain the outlier 70 rejection process and rationale. 36 ** Text has been added to 5.3 (p. 10) to explain the outlier rejection process and rationale. 71 37 72 - similarly to the above comments; what statistical outlier model are eqs. 73 17 and 18 supposed to model/address? 38 - similarly to the above comments; what statistical outlier model are eqs. 17 and 18 supposed to model/address? 74 39 75 ** Clarification has been added to the text in section 5.4.2 to 76 explain the outliers. 40 ** Clarification has been added to the text in section 5.4.2 to explain the outliers. 77 41 78 - comment about proper motions after introducing eqs. 21-24 is not 79 entirely correct because a lot of your observations are far from the 80 galactic plane and thus are sensitive to the asymmetric drift effects 42 - comment about proper motions after introducing eqs. 21-24 is not entirely correct because a lot of your observations are far from the galactic plane and thus are sensitive to the asymmetric drift effects 81 43 for disk stars 82 44 83 ** This is a good point. We have updated the text in section 6.2 to 84 address this concern. 45 ** This is a good point. We have updated the text in section 6.2 to address this concern. 85 46 86 - last paragraph in section 6.2: so how much improvement did you get 87 from eqs. 21-24? 47 - last paragraph in section 6.2: so how much improvement did you get from eqs. 21-24? 88 48 89 49 ** The improvement is noted now in section 6.2. 90
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