T Normae
Variable star in the constellation Norma
From Wikipedia, the free encyclopedia
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]
| 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 |
