The ASAS-SN catalogue of variable stars III: variables in the southern TESS continuous viewing zone

被引：143

作者：

Jayasinghe, T. ^{[1
,2
]}

Stanek, K. Z. ^{[1
,2
]}

Kochanek, C. S. ^{[1
,2
]}

Shappee, B. J. ^{[3
]}

Holoien, T. W-S. ^{[4
]}

Thompson, Todd A. ^{[1
,2
,5
]}

Prieto, J. L. ^{[6
,7
]}

Dong, Subo ^{[8
]}

Pawlak, M. ^{[9
]}

Pejcha, O. ^{[9
]}

Shields, J. V. ^{[1
]}

Pojmanski, G. ^{[10
]}

Otero, S. ^{[11
]}

Hurst, N. ^{[12
]}

Britt, C. A. ^{[12
]}

Will, D. ^{[1
,12
]}

机构：

[1] Ohio State Univ, Dept Astron, 140 West 18th Ave, Columbus, OH 43210 USA

[2] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, 191 W Woodruff Ave, Columbus, OH 43210 USA

[3] Univ Hawaii, Inst Astron, 2680 Woodlawn Dr, Honolulu, HI 96822 USA

[4] Carnegie Observ, 813 Santa Barbara St, Pasadena, CA 91101 USA

[5] Inst Adv Study, Princeton, NJ 08540 USA

[6] Univ Diego Portales, Nucleo Astron, Fac Ingn & Ciencias, Av Ejercito 441, Santiago, Chile

[7] Millennium Inst Astrophys, Santiago, Chile

[8] Peking Univ, Kavli Inst Astron & Astrophys, Yi He Yuan Rd 5, Hai Dian Dist, Peoples R China

[9] Charles Univ Prague, Fac Math & Phys, Inst Theoret Phys, Prague, Czech Republic

[10] Univ Warsaw Observ, Al Ujazdowskie 4, PL-00478 Warsaw, Poland

[11] Amer Assoc Variable Star Observers, 49 Bay State Rd, Cambridge, MA 02138 USA

[12] ASC Technol Serv, Mendenhall Lab 433, 125 South Oval Mall, Columbus, OH 43210 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2019年 / 485卷 / 01期

关键词：

catalogues; surveys; binaries: eclipsing; PERIOD-LUMINOSITY RELATION; BRIGHT SUPERNOVA CATALOG; OGLE COLLECTION; SEARCH; ACCURATE;

D O I：

10.1093/mnras/stz444

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The All-Sky Automated Survey for Supernovae (ASAS-SN) provides long-baseline (similar to 4 yr) light curves for sources brighter than V less than or similar to 17 mag across the whole sky. The Transiting Exoplanet Survey Satellite (TESS) has started to produce high-quality light curves with a baseline of at least 27 d, eventually for most of the sky. The combination of ASAS-SN and TESS light curves probes both long-and short-term variability in great detail, especially towards the TESS continuous viewing zones (CVZ) at the ecliptic poles. We have produced similar to 1.3 million V-band light curves covering a total of similar to 1000 deg(2) towards the southern TESS CVZ and have systematically searched these sources for variability. We have identified similar to 11 700 variables, including similar to 7 000 new discoveries. The light curves and characteristics of the variables are all available through the ASAS-SN variable stars data base (https://asas-sn.osu.edu/variables). We also introduce an online resource to obtain pre-computed ASAS-SN V-band light curves (https://asas-sn.osu.edu/photometry) starting with the light curves of the similar to 1.3 million sources studied in this work. This effort will be extended to provide ASAS-SN light curves for similar to 50 million sources over the entire sky.

引用

页码：961 / 971

页数：11

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