All names: PG1244+113, Gaia DR2 3927404445781136128, TIC 390647840, GALEX J124706.6+110311, FAUST 3464, [BFA97] 183, [TFW97] J124706.63+110313.48, Balloon 111617002, FAUST 3460, Balloon 111819005, 2MASS J12470662+1103135, SDSS J124706.63+110313.3, Balloon 80405002, PG 1244+113, SBC9 3331, Gaia DR3 3927404445781136128, Gaia EDR3 3927404445781136128
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 12 47 06.64 (0.04) | 12 47 06.61 | 12 47 06.63 (0.04) | ||
Declination | 11 03 13.36 (0.02) | 11 03 13.37 | 11 03 13.36 (0.02) | ||
Spectral type | sdB+WD | sdB | |||
Effective temperature | [K] | 33800.0 (1000) | |||
log(g) | [cgs] | 5.67 (0.1) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 0.92 (0.05) | 0.97 (0.08) | 0.92 (0.05) | |
Distance | [pc] | 1090.63 (59) | 1027.12 (87) | 1090.63 (59) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 4.585 (0.06) | 4.488 (0.2) | 4.585 (0.06) | |
Proper motion (declination) | [mas/yr] | 0.014 (0.05) | -0.339 (0.08) | 0.014 (0.05) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 13.05 | ||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 14.76 (0.03) | 14.82 (0.004) | |||
H magnitude | 15.00 (0.07) | 14.94 (0.007) | |||
K magnitude | 14.95 (0.1) | 15.02 (0.01) | |||
u magnitude | 13.58 (0.003) | 13.60 (0.01) | |||
g magnitude | 13.85 (0.003) | 13.88 (0.03) | |||
r magnitude | 14.37 (0.003) | 14.38 (0.01) | |||
i magnitude | 14.73 (0.004) | 14.74 (0.01) | |||
z magnitude | 15.04 (0.005) | 15.04 (0.01) | |||
G magnitude | 14.11 (0.003) | 14.12 (0.0004) | 14.11 (0.003) | ||
BP magnitude | 13.96 (0.003) | 13.90 (0.006) | |||
RP magnitude | 14.40 (0.004) | 14.40 (0.001) | |||
Pan g magnitude | 13.95 (0.005) | ||||
Pan r magnitude | 14.37 (0.003) | ||||
Pan i magnitude | 14.74 (0.001) | ||||
Pan z magnitude | 15.04 (0.007) | ||||
Pan y magnitude | 15.21 (0.004) | ||||
E(B-V) | 0.023 |
* 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.