All names: FBS B 724, Gaia EDR3 1620030637207462912, GALEX J150938.8+633224, Gaia DR3 1620030637207462912, WDJ150938.86+633225.48, 2MASS J15093888+6332254, TIC 202440506, FBS 1508+637, PG 1508+63, PM J15096+6332, WD 1508+63, PG 1508+637, uvby98 610060340, EGGR 364, Gaia DR2 1620030637207462912, J1509+6332, GD 340, WD 1508+637, 15096+6332
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Gaia DR2 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 09 38.67 (0.02) | 15 09 38.67 (0.03) | 15 09 38.67 (0.03) | 15 09 38.67 | 15 09 38.86 (0.02) | 15 09 38.67 | 15 09 38.71 | ||||||||
| Declination | 63 32 23.89 (0.02) | 63 32 23.94 (0.03) | 63 32 23.94 (0.03) | 63 32 23.89 | 63 32 25.48 (0.02) | 63 32 23.94 | 63 32 28.68 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA4.8 | DA5 | |||||||
| Effective temperature | [K] | 10318.0 (91) | 10495.0 (44) | 10269.9 (27) | 10380.0 (148) | 10580.0 (151) | 10450.0 (149) | 10367.0 (38) | |||||||
| log(g) | [cgs] | 7.95 (0.02) | 7.99 (0.006) | 7.95 (0.007) | 7.96 (0.05) | 8.20 (0.05) | 8.12 (0.05) | 7.97 (0.005) | |||||||
| Mass | [M☉] | 0.574 (0.01) | 0.597 (0.005) | 0.58 (0.03) | 0.72 (0.03) | 0.68 (0.03) | 0.584 (0.004) | ||||||||
| log(Luminosity) | [L☉] | -2.74 | -2.82 | ||||||||||||
| Cooling age | [Gyr] | 0.5500 | 0.7244 | ||||||||||||
| 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] | 28.71 (0.02) | 28.71 (0.02) | 28.66 (0.03) | 28.66 (0.03) | 28.66 (0.03) | 28.71 | 28.71 (0.02) | 28.66 (0.03) | ||||||
| Distance | [pc] | 34.83 (0.02) | 34.83 (0.02) | 34.89 (0.04) | 34.89 (0.03) | 34.89 (0.03) | 35.50 (1) | 30.00 | 31.00 | 34.83 | 34.83 (0.02) | 34.89 (0.03) | |||
| Composition | H | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -81.77138124 (0.02) | -81.85709025 (0.05) | -81.771 (0.02) | -81.85709025 | ||||||||||
| Proper motion (declination) | [mas/yr] | -99.35737365 (0.03) | -99.32805582 (0.05) | -99.357 (0.03) | -99.32805582 | ||||||||||
| Variability | NOV | ||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 15.00 | ||||||||||||||
| V magnitude | 14.65 | 14.70 | |||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 14.72 (0.04) | 14.72 (0.04) | |||||||||||||
| H magnitude | 14.57 (0.06) | 14.57 (0.06) | |||||||||||||
| K magnitude | 14.82 (0.05) | 14.82 (0.05) | |||||||||||||
| u magnitude | |||||||||||||||
| g magnitude | |||||||||||||||
| r magnitude | |||||||||||||||
| i magnitude | |||||||||||||||
| z magnitude | |||||||||||||||
| G magnitude | 14.73 (0.001) | 14.75 | 14.75 | 14.73 | 14.73 (0.003) | 14.75 | |||||||||
| BP magnitude | 14.78 (0.001) | 14.77 | 14.77 | ||||||||||||
| RP magnitude | 14.66 (0.001) | 14.66 | 14.66 | ||||||||||||
| Pan g magnitude | 14.71 (0.004) | 14.71 (0.004) | |||||||||||||
| Pan r magnitude | 14.81 (0.001) | 14.81 (0.001) | |||||||||||||
| Pan i magnitude | 14.97 (0.002) | 14.97 (0.003) | |||||||||||||
| Pan z magnitude | 15.14 (0.008) | 15.14 (0.005) | |||||||||||||
| Pan y magnitude | 15.26 (0.003) | 15.26 (0.003) | |||||||||||||
| E(B-V) | 0.004 | ||||||||||||||
* 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.