DEATHSTAR: a system for confirming planets and identifying false-positive signals in TESS data using ground-based time-domain surveys

被引：3
作者：
Ross, Gabrielle [1 ,2 ,3 ,4 ]
Vanderburg, Andrew [2 ,3 ]
de Beurs, Zoe L. [5 ]
Collins, Karen A. [6 ]
Siverd, Rob J. [7 ]
Burdge, Kevin [2 ,3 ]
机构：
[1] Princeton Univ, Dept Astrophys Sci, 4 Ivy Lane Dept, Princeton, NJ 08544 USA
[2] MIT, Dept Phys, Cambridge, MA 02139 USA
[3] MIT, Kavli Inst Astrophys & Space Res, Cambridge, MA 02139 USA
[4] Brearley Sch, 610 E 83rd St, New York, NY 10028 USA
[5] MIT, Dept Earth Atmospher & Planetary Sci, Cambridge, MA 02139 USA
[6] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA
[7] Univ Hawaii Manoa, Inst Astron, Honolulu, HI 96822 USA
来源：
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2024年 / 528卷 / 03期
基金：
美国国家科学基金会; 欧洲研究理事会;
关键词：
eclipses; (stars:) binaries: eclipsing; EXTRASOLAR PLANET; TRANSITING PLANET; KEPLER; SEARCH; CANDIDATES; CATALOG; PROBABILITIES; PERFORMANCE; COMPANIONS; ALGORITHM;
D O I：
10.1093/mnras/stad3857
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present a technique for verifying or refuting exoplanet candidates from the Transiting Exoplanet Survey Satellite (TESS) mission by searching for nearby eclipsing binary stars using higher resolution archival images from ground-based telescopes. Our new system is called Detecting and Evaluating A Transit: finding its Hidden Source in Time-domain Archival Records (DEATHSTAR). We downloaded time series of cutout images from two ground-based telescope surveys (the Zwicky Transient Facility, and the Asteroid Terrestrial-impact Last Alert System, analysed the images to create apertures and measure the brightness of each star in the field, and plotted the resulting light curves using custom routines. Thus far, we have confirmed on-target transits for 17 planet candidates, and identified 35 false positives and located their actual transit sources. With future improvements to automation, DEATHSTAR will be scaleable to run on the majority of TESS Objects of Interest.
引用
收藏
页码：5160 / 5177
页数：18
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