All names: Gaia DR3 3529233416635552768, PG1246-122, TIC 290021725, 2MASS J12492166-1229319, Gaia DR2 3529233416635552768, PG 1246-122, UCAC2 27486338, GALEX J124921.6-122932, UCAC4 388-060132
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 12 49 21.67 | 12 49 21.66 (0.04) | ||
Declination | -12 29 31.95 | -12 29 32.05 (0.03) | ||
Spectral type | sdO | sdO8VpHe19 | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.17 (0.07) | 0.21 (0.05) | |
Distance | [pc] | 5770.34 (2314) | 4750.59 (1018) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -4.13 (0.1) | -4.0 (0.05) | |
Proper motion (declination) | [mas/yr] | -0.162 (0.09) | -0.169 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.43 (0.03) | |||
V magnitude | 14.64 (0.04) | |||
R magnitude | 14.87 (0.1) | |||
I magnitude | ||||
J magnitude | 15.12 (0.03) | 15.12 (0.03) | ||
H magnitude | 15.33 (0.09) | 15.33 (0.09) | ||
K magnitude | 15.35 (0.2) | 15.35 (0.2) | ||
u magnitude | ||||
g magnitude | 14.40 (0.03) | |||
r magnitude | 14.87 (0.04) | |||
i magnitude | 15.19 (0.1) | |||
z magnitude | ||||
G magnitude | 14.58 (0.0006) | 14.56 (0.003) | ||
BP magnitude | 14.37 (0.009) | |||
RP magnitude | 14.84 (0.003) | |||
Pan g magnitude | 14.40 (0.002) | |||
Pan r magnitude | 14.82 (0.004) | |||
Pan i magnitude | 15.18 (0.002) | |||
Pan z magnitude | 15.44 (0.003) | |||
Pan y magnitude | 15.64 (0.004) | |||
E(B-V) | 0.022 |
* 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.