Beijing-Arizona Sky Survey (BASS)

The Data Release of Beijing-Arizona Sky Survey (BASS)

The BASS is an new imaging survey with the collaboration between NAOC and Steward Observatory. It uses the 2.3m Bok telescope to survey an area of about 5400 deg² in the north Galactic cap. The photometric system includes the SDSS g and DES r bands. The expected depths for 5σ point sources and Galactic extinction correction are 24.0 mag for g band and 23.4 mag for r band, respectively. The observation is expected to be completed in 2018. We will release the data almost every year. The BASS is also one of three optical imaging surveys that are designated for target selections of the Dark Energy Spectroscopic Instrument (DESI). The other two surveys are the Dark Energy Camera Legacy Survey (DECaLS) and the MOSAIC z-band Legacy Survey (MzLS). The BASS and MzLS cover the same area of about 5500 deg² in the north Galactic cap, while the DECaLS cover an area of about 9000 deg² along the equator in both south and north. The DESI team will also reduce the data from all three surveys. The latest data release (DR4) include the BASS and MzLS data taken before 2016 July. The BASS team reduce the BASS and MzLS data by independent pipelines. The latest data release is DR2.

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Survey summary

Telescope BASS MzLS
Telescope 2.3m Bok telescope 4m Mayall telescope
Corrected focal ratio f/2.98 f/3
Absolute pointing <3″ RMS N/A
Site Kitt Peak Kitt Peak
Elevation 2071 m 2071m
Camera BASS MzLS
CCD number 4 4
CCD size 4096×4032 4096×4096
Pixel size 0.454″ (15 μm) 0.26″ (15 μm)
FoV 1°.08×1°.03 36'x36'
Full well 90,000 e (65,535 DN) N/A
Gain 1.5 e/ADU 1.8 e/ADU
Readout noise 8.4 e 9 e
Readout time 35 s 30 s
Filter BASS MzLS
Name SDSS g, DECam r DECam z
Central 4776, 6412 Å 9203 Å
FWHM 1135, 1410 Å 1410 Å
Survey parameters BASS MzLS
Area 5400 deg² (δ > 30°) 5100 deg² (δ > 32°)
Desired full depth (5σ) g = 24.0, r = 23.4 z=23.0
Desired single depth (5σ) g = 23.4, r = 22.8 z=22.4
Observation period 2015-2018 2016-2017
Median seeing g=1.6″, r=1.4″ z=1.0″
Median sky brightness g=22.1, r=21.3 z=19.0
Median zeropoint g=25.9, r=25.8 z=26.5

Acknowledgement

Whatever level of the BASS data you used, we hope you add the following acknowledgement in your paper/project.

The BASS is a collaborative program between the National Astronomical Observatories of Chinese Academy of Science and Steward Observatory of the University of Arizona. It is a key project of the Telescope Access Program (TAP), which has been funded by the National Astronomical Observatories of China, the Chinese Academy of Sciences (the Strategic Priority Research Program “The Emergence of Cosmological Structures” Grant No. XDB09000000), and the Special Fund for Astronomy from the Ministry of Finance. The BASS is also supported by the External Cooperation Program of Chinese Academy of Sciences (Grant No. 114A11KYSB20160057) and Chinese National Natural Science Foundation (Grant No. 11433005). Data resources are supported by Chinese Astronomical Data Center (CAsDC).

The follow papers should be cited as appropriate if you use the BASS data:



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Publications

Resorting Query Results


# Bibcode
Score Date List of Links
Authors
Title
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1 2019MNRAS.484..431C
1.00003/2019A E F X D R O U
Chen, Hsiao-Wen; Johnson, Sean D.; Straka, Lorrie A.; Zahedy, Fakhri S.; Schaye, Joop; Muzahid, Sowgat; Bouché, Nicolas; Cantalupo, Sebastiano; Marino, Raffaella Anna; Wendt, Martin
Characterizing circumgalactic gas around massive ellipticals at z ≈ 0.4 - III. The galactic environment of a chemically pristine Lyman limit absorber

2 2019MNRAS.484...93D
1.00003/2019A E F X R C U
Domínguez Sánchez, H.; Huertas-Company, M.; Bernardi, M.; Kaviraj, S.; Fischer, J. L.; Abbott, T. M. C.; Abdalla, F. B.; Annis, J.; Avila, S.; Brooks, D.; and 49 coauthors
Transfer learning for galaxy morphology from one survey to another

3 2019MNRAS.tmp..457K
1.00002/2019A E X
Koposov, S. E.; Belokurov, V.; Li, T. S.; Mateu, C.; Erkal, D.; Grillmair, C. J.; Hendel, D.; Price-Whelan, A. M.; Laporte, C. F. P.; Hawkins, K.; and 6 coauthors
Piercing the Milky Way: an all-sky view of the Orphan Stream

4 2019ApJS..240...33G
1.00002/2019A E F X R C U
Gonzalez, Anthony H.; Gettings, Daniel P.; Brodwin, Mark; Eisenhardt, Peter R. M.; Stanford, S. A.; Wylezalek, Dominika; Decker, Bandon; Marrone, Daniel P.; Moravec, Emily; O’Donnell, Christine; and 16 coauthors
The Massive and Distant Clusters of WISE Survey. I. Survey Overview and a Catalog of >2000 Galaxy Clusters at z ≃ 1

5 2019ApJS..240...30S
1.00002/2019A E F X R C U
Schlafly, Edward F.; Meisner, Aaron M.; Green, Gregory M.
The unWISE Catalog: Two Billion Infrared Sources from Five Years of WISE Imaging

6 2019ApJ...872L...2M
1.00002/2019A E F X R U
Matsuoka, Yoshiki; Onoue, Masafusa; Kashikawa, Nobunari; Strauss, Michael A.; Iwasawa, Kazushi; Lee, Chien-Hsiu; Imanishi, Masatoshi; Nagao, Tohru; Akiyama, Masayuki; Asami, Naoko; and 38 coauthors
Discovery of the First Low-luminosity Quasar at z > 7

7 2019arXiv190110866C
1.00001/2019A X R U
Comparat, J.; Merloni, A.; Salvato, M.; Nandra, K.; Boller, T.; Georgakakis, A.; Finoguenov, A.; Dwelly, T.; Buchner, J.; Del Moro, A.; and 7 coauthors
Active Galactic Nuclei and their Large-scale Structure: an eROSITA mock catalogue

8 2019arXiv190105508K
1.00001/2019A X R U
Kokubo, Mitsuru; Mitsuda, Kazuma; Morokuma, Tomoki; Tominaga, Nozomu; Tanaka, Masaomi; Moriya, Takashi J.; Yoachim, Peter; Ivezić, Željko; Sako, Shigeyuki; Doi, Mamoru
A Long-Duration Luminous Type IIn Supernova KISS15s: Strong Recombination Lines from the Inhomogeneous Ejecta-CSM Interaction Region and Hot Dust Emission from Newly Formed Dust

9 2019ApJS..240....1Z
1.00001/2019A E F X R C U
Zaritsky, Dennis; Donnerstein, Richard; Dey, Arjun; Kadowaki, Jennifer; Zhang, Huanian; Karunakaran, Ananthan; Martínez-Delgado, David; Rahman, Mubdi; Spekkens, Kristine
Systematically Measuring Ultra-diffuse Galaxies (SMUDGes). I. Survey Description and First Results in the Coma Galaxy Cluster and Environs

10 2018ApJ...869L...9W
1.00012/2018A E F X D R C S U
Wang, Feige; Yang, Jinyi; Fan, Xiaohui; Yue, Minghao; Wu, Xue-Bing; Schindler, Jan-Torge; Bian, Fuyan; Li, Jiang-Tao; Farina, Emanuele P.; Bañados, Eduardo; and 11 coauthors
The Discovery of a Luminous Broad Absorption Line Quasar at a Redshift of 7.02

11 2018ApJ...869...15G
1.00012/2018A E F X R C U
Gao, YuLong; Bao, Min; Yuan, QiRong; Kong, Xu; Zou, Hu; Zhou, Xu; Gu, Yizhou; Lin, Zesen; Liang, Zhixiong; Huang, Chi
Mass–Metallicity Relation and Fundamental Metallicity Relation of Metal-poor Star-forming Galaxies at 0.6 < Z < 0.9 from the eBOSS Survey

12 2018MNRAS.481L.136S
1.00011/2018A E F X R S U
Shu, Yiping; Marques-Chaves, Rui; Evans, N. Wyn; Pérez-Fournon, Ismael
SDSS J0909+4449: A large-separation strongly lensed quasar at z ˜ 2.8 with three images

13 2018arXiv181111915Y
1.00011/2018A X R C U
Yang, Jinyi; Wang, Feige; Fan, Xiaohui; Yue, Minghao; Wu, Xue-Bing; Li, Jiangtao; Bian, Fuyan; Jiang, Linhua; Bañados, Eduardo; Beletsky, Yuri
Exploring Reionization-Era Quasars IV: Discovery of Six New $z gtrsim 6.5$ Quasars with DES, VHS and unWISE Photometry

14 2018arXiv181107928D
1.00011/2018A X R C U
Duncan, Kenneth J; Sabater, J.; Röttgering, H. J. A.; Jarvis, M. J.; Smith, D. J. B.; Best, P. N.; Callingham, J. R.; Cochrane, R.; Croston, J. H.; Hardcastle, M. J.; and 17 coauthors
The LOFAR Two-metre Sky Survey IV. First Data Release: Photometric redshifts and rest-frame magnitudes

15 2018MNRAS.480.1705L
1.00010/2018A E F X R C S U
Li, Song-lin; Shi, Yong; Chen, Yan-Mei; Tabor, Martha; Bizyaev, Dmitry; Chen, Jian-hang; Yu, Xiao-ling; Bing, Long-ji
An early-type galaxy with an inner star-forming disc

16 2018arXiv181011926W
1.00010/2018A X R C U
Wang, Feige; Yang, Jinyi; Fan, Xiaohui; Wu, Xue-Bing; Yue, Minghao; Li, Jiang-Tao; Bian, Fuyan; Jiang, Linhua; Bañados, Eduardo; Schindler, Jan-Torge; and 15 coauthors
Exploring Reionization-Era Quasars III: Discovery of 16 Quasars at $6.4lesssim z lesssim 6.9$ with DESI Legacy Imaging Surveys and UKIRT Hemisphere Survey and Quasar Luminosity Function at $zsim6.7$

17 2018ApJ...866...36L
1.00010/2018A E F X D R C U
Lan, Ting-Wen; Mo, Houjun
The Circumgalactic Medium of eBOSS Emission Line Galaxies: Signatures of Galactic Outflows in Gas Distribution and Kinematics

18 2018ApJ...864..142D
1.00009/2018A E F X R C S N U
Davies, Frederick B.; Hennawi, Joseph F.; Bañados, Eduardo; Lukić, Zarija; Decarli, Roberto; Fan, Xiaohui; Farina, Emanuele P.; Mazzucchelli, Chiara; Rix, Hans-Walter; Venemans, Bram P.; and 3 coauthors
Quantitative Constraints on the Reionization History from the IGM Damping Wing Signature in Two Quasars at z > 7

19 2018AJ....156..131N
1.00009/2018A E F X R C S U
Nidever, David L.; Dey, Arjun; Olsen, Knut; Ridgway, Stephen; Nikutta, Robert; Juneau, Stephanie; Fitzpatrick, Michael; Scott, Adam; Valdes, Francisco
First Data Release of the All-sky NOAO Source Catalog

20 2018PASP..130h5001Z
1.00008/2018A E F X R U
Zhou, Zhimin; Zhou, Xu; Zou, Hu; Zhang, Tianmeng; Nie, Jundan; Peng, Xiyan; Fan, Xiaohui; Jiang, Linhua; McGreer, Ian; Yang, Jinyi; and 7 coauthors
Photometric Calibration for the Beijing-Arizona Sky Survey and Mayall z-band Legacy Survey

21 2018ApJS..237...37Z
1.00008/2018A E F X R C U
Zou, Hu; Zhang, Tianmeng; Zhou, Zhimin; Peng, Xiyan; Nie, Jundan; Zhou, Xu; Fan, Xiaohui; Jiang, Linhua; McGreer, Ian; Dey, Arjun; and 22 coauthors
The Second Data Release of the Beijing–Arizona Sky Survey

22 2018ApJ...862..109Y
1.00008/2018A E F X R C S N U
Yang, Qian; Wu, Xue-Bing; Fan, Xiaohui; Jiang, Linhua; McGreer, Ian; Shangguan, Jinyi; Yao, Su; Wang, Bingquan; Joshi, Ravi; Green, Richard; and 5 coauthors
Discovery of 21 New Changing-look AGNs in the Northern Sky

23 2018SPIE10702E..1FM
1.00007/2018A E X R C U
Martini, Paul; Bailey, Stephen; Besuner, Robert W.; Brooks, David; Doel, Peter; Edelstein, Jerry; Eisenstein, Daniel; Flaugher, Brenna; Gutierrez, Gaston; Harris, Stewart E.; and 16 coauthors
Overview of the Dark Energy Spectroscopic Instrument

24 2018ApJ...861....6L
1.00007/2018A E F X R C U
Li, Zefeng; McGreer, Ian D.; Wu, Xue-Bing; Fan, Xiaohui; Yang, Qian
The Ensemble Photometric Variability of Over 105 Quasars in the Dark Energy Camera Legacy Survey and the Sloan Digital Sky Survey

25 2018arXiv180408657D
1.00004/2018A X R C U
Dey, Arjun; Schlegel, David J.; Lang, Dustin; Blum, Robert; Burleigh, Kaylan; Fan, Xiaohui; Findlay, Joseph R.; Finkbeiner, Doug; Herrera, David; Juneau, Stephanie; and 143 coauthors
Overview of the DESI Legacy Imaging Surveys

26 2018ApJ...852...44G
1.00001/2018A E F X R C S N U
Garling, Christopher; Willman, Beth; Sand, David J.; Hargis, Jonathan; Crnojević, Denija; Bechtol, Keith; Carlin, Jeffrey L.; Strader, Jay; Zou, Hu; Zhou, Xu; and 4 coauthors
Mapping the Tidal Destruction of the Hercules Dwarf: A Wide-field DECam Imaging Search for RR Lyrae Stars

27 2017AJ....154..269Y
1.00012/2017A E F X D R C S O U
Yang, Qian; Wu, Xue-Bing; Fan, Xiaohui; Jiang, Linhua; McGreer, Ian; Green, Richard; Yang, Jinyi; Schindler, Jan-Torge; Wang, Feige; Zuo, Wenwen; Fu, Yuming
Quasar Photometric Redshifts and Candidate Selection: A New Algorithm Based on Optical and Mid-infrared Photometric Data

28 2017PASP..129f4101Z
1.00006/2017A E F X R C S U
Zou, Hu; Zhou, Xu; Fan, Xiaohui; Zhang, Tianmeng; Zhou, Zhimin; Nie, Jundan; Peng, Xiyan; McGreer, Ian; Jiang, Linhua; Dey, Arjun; and 9 coauthors
Project Overview of the Beijing-Arizona Sky Survey

29 2017AJ....153..276Z
1.00006/2017A E F X R C S U
Zou, Hu; Zhang, Tianmeng; Zhou, Zhimin; Nie, Jundan; Peng, Xiyan; Zhou, Xu; Jiang, Linhua; Cai, Zheng; Dey, Arjun; Fan, Xiaohui; and 18 coauthors
The First Data Release of the Beijing-Arizona Sky Survey

30 2017ApJ...839...27W
1.00004/2017A E F X D R C S N U
Wang, Feige; Fan, Xiaohui; Yang, Jinyi; Wu, Xue-Bing; Yang, Qian; Bian, Fuyan; McGreer, Ian D.; Li, Jiang-Tao; Li, Zefeng; Ding, Jiani; and 12 coauthors
First Discoveries of z > 6 Quasars with the DECam Legacy Survey and UKIRT Hemisphere Survey

31 2016arXiv161100037D
1.00010/2016A X R C U
DESI Collaboration; Aghamousa, Amir; Aguilar, Jessica; Ahlen, Steve; Alam, Shadab; Allen, Lori E.; Allende Prieto, Carlos; Annis, James; Bailey, Stephen; Balland, Christophe; and 283 coauthors
The DESI Experiment Part II: Instrument Design

32 2016arXiv161100036D
1.00010/2016A X R C U
DESI Collaboration; Aghamousa, Amir; Aguilar, Jessica; Ahlen, Steve; Alam, Shadab; Allen, Lori E.; Allende Prieto, Carlos; Annis, James; Bailey, Stephen; Balland, Christophe; and 283 coauthors
The DESI Experiment Part I: Science,Targeting, and Survey Design

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