All names: PG 0310+149, Gaia DR3 31009771252186752, GALEX J031337.1+150621, PG0310+149, TIC 333616597, LAMOST J031337.17+150621.4, Gaia DR2 31009771252186752, US 3765, 2MASS J03133724+1506219
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 03 13 37.19 | 03 13 37.18 (0.05) | ||
Declination | 15 06 21.53 | 15 06 21.27 (0.04) | ||
Spectral type | He-sdO | sdO | ||
Effective temperature | [K] | 45482.0 (184) | ||
log(g) | [cgs] | 6.19 (0.03) | ||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.36 (0.09) | 0.60 (0.06) | |
Distance | [pc] | 2801.91 (710) | 1677.29 (157) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 2.735 (0.1) | 2.46 (0.06) | |
Proper motion (declination) | [mas/yr] | 1.513 (0.1) | 1.218 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.36 | |||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.31 (0.06) | 15.31 (0.06) | ||
H magnitude | 15.29 (0.1) | 15.29 (0.1) | ||
K magnitude | 15.09 (0.1) | 15.09 (0.1) | ||
u magnitude | ||||
g magnitude | ||||
r magnitude | ||||
i magnitude | ||||
z magnitude | ||||
G magnitude | 15.62 (0.001) | 15.61 (0.003) | ||
BP magnitude | 15.42 (0.01) | |||
RP magnitude | 15.68 (0.02) | |||
Pan g magnitude | 15.50 (0.005) | |||
Pan r magnitude | 15.78 (0.007) | |||
Pan i magnitude | 16.05 (0.005) | |||
Pan z magnitude | 16.30 (0.02) | |||
Pan y magnitude | 16.44 (0.007) | |||
E(B-V) | 0.174 |
* 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.