Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
---|---|
Constellation | Triangulum Australe |
Right ascension | 16h 34m 30.89188s[2] |
Declination | −63° 08′ 00.8395″[2] |
Apparent magnitude (V) | 9.43 - 10.18[3] |
Characteristics | |
Spectral type | F8:(R)-G2I-II[3] |
Variable type | BL Her[3] |
Astrometry | |
Proper motion (μ) | RA: -4.00 ± 1.48[2] mas/yr Dec.: -14.25 ± 1.43[2] mas/yr |
Parallax (π) | 1.26 ± 1.50 mas[2] |
Details | |
Mass | 0.48[4] M☉ |
Radius | 9.4[4] R☉ |
Metallicity [Fe/H] | +0.04[5] dex |
Minimum | |
Luminosity | 138[6] L☉ |
Temperature | 5,200[6] K |
Maximum | |
Luminosity | 200[6] L☉ |
Temperature | 6,500[6] K |
Other designations | |
Database references | |
SIMBAD | data |
RT Trianguli Australis, or RT TrA, is a BL Herculis variable (type II Cepheid) in the constellation of Triangulum Australe.
MAST
was invoked but never defined (see the help page).vanLeeuwen2007
was invoked but never defined (see the help page).gcvs
was invoked but never defined (see the help page).peterson
was invoked but never defined (see the help page).wallerstein
was invoked but never defined (see the help page).bergeat
was invoked but never defined (see the help page).