All names: UVO0904-02, Gaia DR2 5762960596350664832, LAMOST J090708.12-030613.9, Gaia DR3 5762960596350664832, TIC 280775141, uvby98 942090402, TD1 32709, 2MASS J09070812-0306139, TYC 4882-934-1, [CW83] 0904-02
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 09 07 08.02 | 09 07 08.12 (0.05) | ||
Declination | -03 06 15.90 | -03 06 13.99 (0.04) | ||
Spectral type | He-sdO | sdO7.5VIHe39 | ||
Effective temperature | [K] | 46200.0 (250) | ||
log(g) | [cgs] | 5.64 (0.05) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 2.16 (0.07) | 1.92 (0.06) | |
Distance | [pc] | 463.52 (16) | 521.92 (16) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -31.919 (0.1) | -31.99 (0.06) | |
Proper motion (declination) | [mas/yr] | 3.738 (0.2) | 3.73 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 11.72 (0.1) | |||
V magnitude | 12.25 (0.3) | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 12.64 (0.03) | 12.64 (0.03) | ||
H magnitude | 12.80 (0.03) | 12.80 (0.03) | ||
K magnitude | 12.88 (0.04) | 12.88 (0.04) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 11.88 (0.0007) | 11.86 (0.003) | ||
BP magnitude | 11.64 (0.008) | |||
RP magnitude | 12.20 (0.001) | |||
Pan g magnitude | 11.76 | |||
Pan r magnitude | 12.24 | |||
Pan i magnitude | 12.61 | |||
Pan z magnitude | 12.90 | |||
Pan y magnitude | 13.03 (0.003) | |||
E(B-V) | 0.028 |
* 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.