All names: PG 1459+645, Gaia EDR3 1620793668213294976, Gaia DR3 1620793668213294976, GALEX J150050.5+641639, UCAC4 772-037691, FBS B 722, WD 1459+644, Gaia DR2 1620793668213294976, FBS 1459+645, TIC 202420264, 2MASS J15005056+6416392, WDJ150050.57+641639.72
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 00 50.34 (0.03) | 15 00 50.34 (0.04) | 15 00 50.34 | 15 00 50.57 (0.03) | 15 00 50.34 | 15 00 49.13 | |||||
Declination | 64 16 39.07 (0.03) | 64 16 39.09 (0.04) | 64 16 39.07 | 64 16 39.72 (0.03) | 64 16 39.09 | 64 16 42.60 | |||||
Spectral type | DC5 | DC5 | DC | DC5 | DC | ||||||
Effective temperature | [K] | 10560.0 | 10680.0 | 10260.0 (97) | |||||||
log(g) | [cgs] | 8.25 | 8.20 | 8.10 (0.01) | |||||||
Mass | [M☉] | 0.757 | 0.704 | 0.643 (0.01) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.7624 | 0.7053 | ||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 17.72 (0.03) | 17.70 (0.04) | 17.72 | 17.72 (0.03) | 17.70 (0.04) | |||||
Distance | [pc] | 56.44 (0.1) | 56.49 (0.1) | 56.44 | 56.44 (0.1) | 56.49 (0.1) | |||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | -93.40370273 (0.04) | -93.37214293 (0.09) | -93.404 (0.04) | -93.37214293 | ||||||
Proper motion (declination) | [mas/yr] | -40.48117176 (0.04) | -40.34379696 (0.09) | -40.481 (0.04) | -40.34379696 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 16.12 (0.06) | ||||||||||
V magnitude | 16.16 (0.08) | ||||||||||
R magnitude | 15.81 (0.1) | ||||||||||
I magnitude | |||||||||||
J magnitude | 16.09 (0.09) | ||||||||||
H magnitude | |||||||||||
K magnitude | 15.53 (0.2) | ||||||||||
u magnitude | |||||||||||
g magnitude | |||||||||||
r magnitude | |||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 16.13 (0.003) | 16.16 | 16.13 | 16.13 (0.003) | 16.16 | ||||||
BP magnitude | 16.16 (0.003) | 16.13 | 16.13 | ||||||||
RP magnitude | 16.09 (0.005) | 16.07 | 16.07 | ||||||||
Pan g magnitude | 16.12 (0.004) | ||||||||||
Pan r magnitude | 16.23 (0.003) | ||||||||||
Pan i magnitude | 16.40 (0.003) | ||||||||||
Pan z magnitude | 16.57 (0.009) | ||||||||||
Pan y magnitude | 16.70 (0.005) | ||||||||||
E(B-V) | 0.007 |
* 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.