Variability of CHXR 20: accretion, extinction, spots or a companion?

Taisiya G. Kopytova; Viki Joergens; Aurora Sicilia-Aguilar; Maria V. Rodríguez-Ledesma; Reinhard Mundt

doi:10.1017/S1743921313008387

Variability of CHXR 20: accretion, extinction, spots or a companion?

Taisiya G. Kopytova, Viki Joergens, Aurora Sicilia-Aguilar, Maria V. Rodríguez-Ledesma, Reinhard Mundt

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

We study the photometric variability of a pre-main sequence star (K6, 0.9M⊙) CHXR 20. We test several scenarios for the variability including variable accretion, variable extinction, cool and hot spots on the stellar surface and the presence of a potential companion.

Original language	English
Pages (from-to)	216-217
Journal	Exploring the Formation and Evolution of Planetary Systems, Proceedings of the International Astronomical Union, IAU Symposium
Volume	299
DOIs	https://doi.org/10.1017/S1743921313008387
Publication status	Published - 1 Jan 2014

Keywords

stars: activity
stars: pre-main sequence
stars: spots
stars: planetary systems: protoplanetary disks

Access to Document

10.1017/S1743921313008387

http://adsabs.harvard.edu/abs/2014IAUS..299..216K

Cite this

@article{cb33fd6c076843c38bd827ea226e931a,

title = "Variability of CHXR 20: accretion, extinction, spots or a companion?",

abstract = "We study the photometric variability of a pre-main sequence star (K6, 0.9M⊙) CHXR 20. We test several scenarios for the variability including variable accretion, variable extinction, cool and hot spots on the stellar surface and the presence of a potential companion.",

keywords = "stars: activity, stars: pre-main sequence, stars: spots, stars: planetary systems: protoplanetary disks",

author = "Kopytova, {Taisiya G.} and Viki Joergens and Aurora Sicilia-Aguilar and Rodr{\'i}guez-Ledesma, {Maria V.} and Reinhard Mundt",

year = "2014",

month = jan,

day = "1",

doi = "10.1017/S1743921313008387",

language = "English",

volume = "299",

pages = "216--217",

journal = "Exploring the Formation and Evolution of Planetary Systems, Proceedings of the International Astronomical Union, IAU Symposium",