All names: Gaia DR2 6337033587355850624, GSC 04994-00192, USNO-A2.0 0825-08480544, 2MASS J14511312-0523168, TIC 189802921, PG 1448-052, GALEX J145113.1-052316, HE 1448-0510, Gaia EDR3 6337033587355850624, Gaia DR3 6337033587355850624, PG1448-052
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 14 51 13.12 (0.04) | 14 51 13.12 | 14 51 13.12 (0.04) | ||
Declination | -05 23 16.97 (0.03) | -05 23 16.90 | -05 23 16.87 (0.03) | ||
Spectral type | sdB+WD | sdO8VIIHe0 | |||
Effective temperature | [K] | 34760.0 (500) | |||
log(g) | [cgs] | 5.53 (0.05) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 0.83 (0.04) | 0.94 (0.05) | 0.83 (0.04) | |
Distance | [pc] | 1200.34 (62) | 1067.12 (61) | 1200.34 (62) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -3.941 (0.05) | -4.235 (0.1) | -3.941 (0.05) | |
Proper motion (declination) | [mas/yr] | -5.778 (0.04) | -5.805 (0.1) | -5.778 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 14.96 | ||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 15.20 (0.06) | 15.20 (0.06) | |||
H magnitude | 15.23 (0.1) | 15.23 (0.1) | |||
K magnitude | 15.11 (0.2) | 15.11 (0.2) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 14.55 (0.003) | 14.57 (0.0009) | 14.55 (0.003) | ||
BP magnitude | 14.41 (0.004) | 14.36 (0.01) | |||
RP magnitude | 14.81 (0.005) | 14.82 (0.004) | |||
Pan g magnitude | 14.39 (0.005) | ||||
Pan r magnitude | 14.81 (0.002) | ||||
Pan i magnitude | 15.15 (0.001) | ||||
Pan z magnitude | 15.41 (0.002) | ||||
Pan y magnitude | 15.59 (0.008) | ||||
E(B-V) | 0.062 |
* 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.