Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Triangulum |
Right ascension | 01h 35m 09.712s[1] |
Declination | +30° 41′ 56.55″[1] |
Apparent magnitude (V) | 16.5–18.8[2] |
Characteristics | |
Evolutionary stage | WR[2] |
Spectral type | WN8h–WN11h[2] |
B−V color index | −0.1[2] |
Variable type | LBV[2] |
Astrometry | |
Distance | 847,000[2] pc |
Absolute magnitude (MV) | −7.4 (variable)[3] |
Details | |
Minimum | |
Radius | 23–27[4] R☉ |
Luminosity | 310,000–370,000[4] L☉ |
Temperature | 27,000–33,000[4] K |
Maximum | |
Radius | 61[2] R☉ |
Luminosity | 1.05 million[2] L☉ |
Temperature | 23,500[2] K |
Age | 4[2] Myr |
Other designations | |
Database references | |
SIMBAD | data |
Romano's Star /roʊˈmɑːnoʊz/ (GR 290) is a luminous blue variable star located in the Messier 33 galaxy in the constellation of Triangulum.
2mass
was invoked but never defined (see the help page).polcaro
was invoked but never defined (see the help page).polcaro2003
was invoked but never defined (see the help page).maryeva
was invoked but never defined (see the help page).