All names: TIC 220021331, GEN# +6.00003241, Gaia EDR3 4937070855283184128, uvby98 600003241, JL285, Gaia DR2 4937070855283184128, TYC 8045-656-1, LB 3241, UBV M 42289, JL 285, Gaia DR3 4937070855283184128, 2MASS J02131193-4944537, GSC 08045-00656, NSV 759
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 02 13 11.94 (0.03) | 02 13 11.90 | 02 13 11.93 (0.03) | ||
Declination | -49 44 53.80 (0.04) | -49 44 53.77 | -49 44 53.76 (0.04) | ||
Spectral type | sdOB | sdOB | |||
Effective temperature | [K] | 41000.0 (3000) | |||
log(g) | [cgs] | 5.70 (0.3) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 1.53 (0.04) | 1.55 (0.05) | 1.53 (0.04) | |
Distance | [pc] | 653.21 (18) | 645.41 (20) | 653.21 (18) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 5.511 (0.04) | 5.207 (0.06) | 5.511 (0.04) | |
Proper motion (declination) | [mas/yr] | -2.449 (0.04) | -2.343 (0.07) | -2.449 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 12.45 | ||||
V magnitude | 12.73 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 13.45 (0.03) | 13.45 (0.03) | |||
H magnitude | 13.60 (0.03) | 13.60 (0.03) | |||
K magnitude | 13.75 (0.05) | 13.75 (0.05) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 12.70 (0.003) | 12.72 (0.0008) | 12.70 (0.003) | ||
BP magnitude | 12.54 (0.003) | 12.48 (0.007) | |||
RP magnitude | 13.03 (0.004) | 13.03 (0.001) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | |||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.011 |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.