T Normae

T Normae is a Mira variable star. It is located midway between Eta Normae and Gamma Circini.^[8] It ranges from magnitude 6.2 to 13.6 and a period of 244 days.^[3] Located around 900 light-years distant, it shines with a luminosity 760 times that of the Sun and has a surface temperature of 3234 K.^[7]

T Nor

The visual band light curve of T Normae, from AAVSO data[1]
Observation data Epoch J2000      Equinox J2000
Constellation	Norma
Right ascension	15h 44m 03.83966s[2]
Declination	−54° 59′ 12.5184″[2]
Apparent magnitude (V)	6.2-13.6[3]
Characteristics
Spectral type	M3e-M6e[3] (-M9[4])
U−B color index	+0.76 - +1.09[5]
B−V color index	+1.42 - +1.87
Variable type	Mira
Astrometry
Proper motion (μ)	RA: −10.02[2] mas/yr Dec.: −11.55[2] mas/yr
Parallax (π)	3.61±1.25 mas[2]
Distance	500[6] pc
Absolute magnitude (MV)	−1.01 - 3.63[6]
Details
Luminosity	760[7] L☉
Temperature	3,234 K[7] K
Other designations
T Normae, CPD−54° 6651, HIP 77058, HD 140041, AAVSO 1536-54
Database references
SIMBAD	data