All names: Gaia DR2 2208124536071756544, AAVSO 2246+62, GD 552, SDSS J225040.02+632838.1, SDSS J225040.03+632838.2, [DWS97] Cep 1, NSV 25966, Gaia DR2 2208124536065383424, PM J22506+6328, TIC 434171462, 3XMM J225040.0+632838, [KW97] 65-34, IPHAS J225040.03+632838.2, 2MASS J22503989+6328383, 1RXS J225039.9+632832, Gaia EDR3 2208124536065383424, Gaia DR3 2208124536065383424, WDJ225039.96+632838.33, HBHA 6206-30
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 22 50 40.25 (0.03) | 22 50 40.24 | 22 50 40.25 | 22 50 39.96 (0.03) | 22 50 40.24 | |||||
Declination | 63 28 37.66 (0.03) | 63 28 37.68 | 63 28 37.66 | 63 28 38.33 (0.03) | 63 28 37.68 | |||||
Spectral type | DQ: | D | ||||||||
Effective temperature | [K] | 8971.0 | 8949.0 | 8586.0 (72) | ||||||
log(g) | [cgs] | 7.58 | 7.52 | 7.26 (0.01) | ||||||
Mass | [M☉] | 0.386 | 0.341 | 0.254 (0.006) | ||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.5043 | 0.4955 | |||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
Parallax | [mas] | 12.39 (0.04) | 12.35 (0.05) | 12.39 | 12.39 (0.04) | 12.35 (0.05) | ||||
Distance | [pc] | 80.72 (0.2) | 80.99 (0.3) | 80.72 | 80.72 (0.2) | 80.99 (0.3) | ||||
Composition | ||||||||||
Proper motion (right ascension) | [mas/yr] | 121.183404 (0.04) | 121.1146119 (0.09) | 121.183 (0.04) | 121.1146119 | |||||
Proper motion (declination) | [mas/yr] | -41.78083185 (0.04) | -41.95400364 (0.08) | -41.781 (0.04) | -41.95400364 | |||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | 16.00 | |||||||||
V magnitude | 16.47 | |||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | 15.38 (0.06) | |||||||||
H magnitude | 14.80 (0.07) | |||||||||
K magnitude | 14.46 (0.08) | |||||||||
u magnitude | 16.43 (0.007) | 16.43 (0.007) | ||||||||
g magnitude | 16.40 (0.004) | 16.40 (0.004) | ||||||||
r magnitude | 16.20 (0.004) | 16.20 (0.004) | ||||||||
i magnitude | 16.53 (0.005) | 16.53 (0.005) | ||||||||
z magnitude | 16.54 (0.01) | 16.54 (0.01) | ||||||||
G magnitude | 16.42 (0.01) | 16.46 | 16.42 | 19.08 (0.003) | 16.46 | |||||
BP magnitude | 16.49 (0.01) | 16.46 | 16.46 | |||||||
RP magnitude | 16.22 (0.02) | 16.18 | 16.18 | |||||||
Pan g magnitude | 16.59 (0.02) | |||||||||
Pan r magnitude | 16.38 (0.02) | |||||||||
Pan i magnitude | 16.82 (0.006) | |||||||||
Pan z magnitude | 16.82 (0.02) | |||||||||
Pan y magnitude | 16.80 (0.02) | |||||||||
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.