TY Coronae Australis

TY Coronae Australis (abbreviated as TY CrA), is a young star system around 3 million years old in the constellation Corona Australis. It is composed of a blue-white B-class star around triple the Sun's mass and a cooler smaller companion around half its mass (or 1.6 times that of the Sun). The system is an eclipsing binary with a period of 2.8 days.

TY Coronae Australis

The y band (near infrared) light curve for TY Coronae Australis, adapted from Vaz et al. (1998)
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Corona Australis
Right ascension 19h 01m 40.83122s
Declination −36° 52 33.8018
Apparent magnitude (V) 9.39
Characteristics
Spectral type B9e
Astrometry
Proper motion (μ) RA: −2.147 ± 0.239 mas/yr
Dec.: −32.723 ± 0.226 mas/yr
Parallax (π)7.3290 ± 0.1456 mas
Distance445 ± 9 ly
(136 ± 3 pc)
Details
Other designations
TY CrA, SAO 210829, CD37° 13024
Database references
SIMBADdata
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