All names: Gaia DR2 807680252260764032, Gaia DR3 807680252260764032, Gaia EDR3 807680252260764032, WD 0944+424, FBS B 269, SA 29-965, FBS 0944+424, US 965, SDSS J094723.32+421439.9, LAMOST J094723.33+421439.7, GALEX J094723.3+421440, KUV 09443+4229
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 47 23.34 (0.04) | 09 47 23.34 (0.05) | 09 47 23.34 | 09 47 23.32 (0.04) | 09 47 23.40 | ||||
| Declination | 42 14 39.45 (0.03) | 42 14 39.46 (0.05) | 42 14 39.45 | 42 14 39.95 (0.03) | 42 14 34.80 | ||||
| Spectral type | DA | DA | DA2.1 | DA | |||||
| Effective temperature | [K] | 24370.0 (378) | 25465.0 (348) | ||||||
| log(g) | [cgs] | 8.06 (0.05) | 8.07 (0.02) | ||||||
| Mass | [M☉] | 0.67 (0.03) | 0.675 (0.01) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| log(C/H) | |||||||||
| log(N/H) | |||||||||
| log(O/H) | |||||||||
| log(Na/H) | |||||||||
| log(Mg/H) | |||||||||
| log(Al/H) | |||||||||
| log(Si/H) | |||||||||
| log(P/H) | |||||||||
| log(S/H) | |||||||||
| log(Sc/H) | |||||||||
| log(Ti/H) | |||||||||
| log(Cr/H) | |||||||||
| log(Mn/H) | |||||||||
| log(Fe/H) | |||||||||
| log(Ni/H) | |||||||||
| Parallax | [mas] | 6.41 (0.05) | 6.46 (0.08) | 6.41 | 6.41 (0.05) | ||||
| Distance | [pc] | 155.93 (1) | 154.68 (2) | 218.00 | 155.93 | 155.93 (1) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 10.49906899 (0.05) | 10.37512628 (0.1) | 10.499 (0.05) | |||||
| Proper motion (declination) | [mas/yr] | -31.09870945 (0.04) | -31.20169146 (0.09) | -31.099 (0.04) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | 16.43 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.09 (0.007) | 16.09 | |||||||
| g magnitude | 16.16 (0.006) | 16.16 | |||||||
| r magnitude | 16.62 (0.007) | 16.62 | |||||||
| i magnitude | 16.94 (0.008) | 16.94 | |||||||
| z magnitude | 17.26 (0.02) | 17.26 | |||||||
| G magnitude | 16.41 (0.003) | 16.43 | 16.41 | 16.41 (0.003) | |||||
| BP magnitude | 16.30 (0.003) | 16.27 | |||||||
| RP magnitude | 16.64 (0.005) | 16.63 | |||||||
| Pan g magnitude | 16.26 (0.005) | ||||||||
| Pan r magnitude | 16.62 (0.004) | ||||||||
| Pan i magnitude | 16.95 (0.004) | ||||||||
| Pan z magnitude | 17.24 (0.005) | ||||||||
| Pan y magnitude | 17.42 (0.008) | ||||||||
| E(B-V) | 0.008 | ||||||||
* 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.