GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION
We study the integral Galactic extinction and reddening based on the galaxy catalog of the South Galactic Cap u-band Sky Survey (SCUSS), where u-band galaxy number counts and u - r color distribution are used to derive the Galactic extinction and reddening respectively. We compare these independent...
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ndltd-arizona.edu-oai-arizona.openrepository.com-10150-6232642017-04-29T03:00:34Z GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION Li, Linlin Shen, Shiyin Hou, Jinliang Yuan, Fangting Zhong, Jing Zou, Hu Zhou, Xu Jiang, Zhaoji Peng, Xiyan Fan, Dongwei Fan, Xiaohui Fan, Zhou He, Boliang Jing, Yipeng Lesser, Michael Li, Cheng Ma, Jun Nie, Jundan Wang, Jiali Wu, Zhenyu Zhang, Tianmeng Zhou, Zhimin Univ Arizona, Steward Observ dust extinction methods: statistical techniques: photometric We study the integral Galactic extinction and reddening based on the galaxy catalog of the South Galactic Cap u-band Sky Survey (SCUSS), where u-band galaxy number counts and u - r color distribution are used to derive the Galactic extinction and reddening respectively. We compare these independent statistical measurements with the reddening map of Schlegel et al. (SFD) and find that both the extinction and reddening from the number counts and color distribution are in good agreement with the SFD results at low extinction regions (E(B - V)(SFD) < 0.12 mag). However, for high extinction regions (E(B - V)(SFD) > 0.12 mag), the SFD map overestimates the Galactic reddening systematically, which can be approximated by a linear relation Delta E(B - V)= 0.43[ E(B - V)(SFD) - 0.12]. By combining the results from galaxy number counts and color distribution, we find that the shape of the Galactic extinction curve is in good agreement with the standard R-V = 3.1 extinction law of O'Donnell. 2017-01-30 Article GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION 2017, 153 (2):88 The Astronomical Journal 1538-3881 10.3847/1538-3881/153/2/88 http://hdl.handle.net/10150/623264 http://arizona.openrepository.com/arizona/handle/10150/623264 The Astronomical Journal en http://stacks.iop.org/1538-3881/153/i=2/a=88?key=crossref.45c097698e1646aa7f9229093f1841b9 © 2017. The American Astronomical Society. All rights reserved. IOP PUBLISHING LTD |
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NDLTD |
language |
en |
sources |
NDLTD |
topic |
dust extinction methods: statistical techniques: photometric |
spellingShingle |
dust extinction methods: statistical techniques: photometric Li, Linlin Shen, Shiyin Hou, Jinliang Yuan, Fangting Zhong, Jing Zou, Hu Zhou, Xu Jiang, Zhaoji Peng, Xiyan Fan, Dongwei Fan, Xiaohui Fan, Zhou He, Boliang Jing, Yipeng Lesser, Michael Li, Cheng Ma, Jun Nie, Jundan Wang, Jiali Wu, Zhenyu Zhang, Tianmeng Zhou, Zhimin GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION |
description |
We study the integral Galactic extinction and reddening based on the galaxy catalog of the South Galactic Cap u-band Sky Survey (SCUSS), where u-band galaxy number counts and u - r color distribution are used to derive the Galactic extinction and reddening respectively. We compare these independent statistical measurements with the reddening map of Schlegel et al. (SFD) and find that both the extinction and reddening from the number counts and color distribution are in good agreement with the SFD results at low extinction regions (E(B - V)(SFD) < 0.12 mag). However, for high extinction regions (E(B - V)(SFD) > 0.12 mag), the SFD map overestimates the Galactic reddening systematically, which can be approximated by a linear relation Delta E(B - V)= 0.43[ E(B - V)(SFD) - 0.12]. By combining the results from galaxy number counts and color distribution, we find that the shape of the Galactic extinction curve is in good agreement with the standard R-V = 3.1 extinction law of O'Donnell. |
author2 |
Univ Arizona, Steward Observ |
author_facet |
Univ Arizona, Steward Observ Li, Linlin Shen, Shiyin Hou, Jinliang Yuan, Fangting Zhong, Jing Zou, Hu Zhou, Xu Jiang, Zhaoji Peng, Xiyan Fan, Dongwei Fan, Xiaohui Fan, Zhou He, Boliang Jing, Yipeng Lesser, Michael Li, Cheng Ma, Jun Nie, Jundan Wang, Jiali Wu, Zhenyu Zhang, Tianmeng Zhou, Zhimin |
author |
Li, Linlin Shen, Shiyin Hou, Jinliang Yuan, Fangting Zhong, Jing Zou, Hu Zhou, Xu Jiang, Zhaoji Peng, Xiyan Fan, Dongwei Fan, Xiaohui Fan, Zhou He, Boliang Jing, Yipeng Lesser, Michael Li, Cheng Ma, Jun Nie, Jundan Wang, Jiali Wu, Zhenyu Zhang, Tianmeng Zhou, Zhimin |
author_sort |
Li, Linlin |
title |
GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION |
title_short |
GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION |
title_full |
GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION |
title_fullStr |
GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION |
title_full_unstemmed |
GALACTIC EXTINCTION AND REDDENING FROM THE SOUTH GALACTIC CAP u -BAND SKY SURVEY: u -BAND GALAXY NUMBER COUNTS AND u − r COLOR DISTRIBUTION |
title_sort |
galactic extinction and reddening from the south galactic cap u -band sky survey: u -band galaxy number counts and u − r color distribution |
publisher |
IOP PUBLISHING LTD |
publishDate |
2017 |
url |
http://hdl.handle.net/10150/623264 http://arizona.openrepository.com/arizona/handle/10150/623264 |
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