RT Trianguli Australis

RT Trianguli Australis

A light curve for RT Trianguli Australis, plotted from TESS data[1]
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
Mass0.48[4] M☉
Radius9.4[4] R☉
Metallicity [Fe/H]+0.04[5] dex
Minimum
Luminosity138[6] L☉
Temperature5,200[6] K
Maximum
Luminosity200[6] L☉
Temperature6,500[6] K
Other designations
RT TrA, CPD−62° 5377, HIP 81157, 2MASS J16343089-6308009, AAVSO 1625-62
Database references
SIMBADdata

RT Trianguli Australis, or RT TrA, is a BL Herculis variable (type II Cepheid) in the constellation of Triangulum Australe.

  1. ^ Cite error: The named reference MAST was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference gcvs was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference peterson was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference wallerstein was invoked but never defined (see the help page).
  6. ^ a b c d Cite error: The named reference bergeat was invoked but never defined (see the help page).