All names: 1RXS J093006.7+522752, LAMOST J093006.79+522803.3, SDSS J093006.78+522803.5, SDSS J093006.79+522803.3, 2MASS J09300676+5228037, PG 0926+527, SDSS J093006.79+522803.4, SDSS J093006.80+522803.1, SDSS J093006.80+522803.4, SBSS 0926+526, TIC 318210690, LAMOST J093006.78+522803.5, Gaia EDR3 1019714575686433280, Gaia DR3 1019714575686433280, WD 0926+526, HIDDEN NAME PG 0926+526, GALEX J093006.7+522803, Gaia DR2 1019714575686433280, SDSS J093006.78+522803.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 30 06.80 (0.04) | 09 30 06.79 | 09 30 06.80 (0.05) | 09 30 06.80 | 09 30 06.79 (0.04) | 09 30 06.80 | 09 30 06.38 | 09 30 06.78 | ||||||
| Declination | 52 28 03.31 (0.04) | 52 28 03.36 | 52 28 03.32 (0.06) | 52 28 03.31 | 52 28 03.50 (0.04) | 52 28 03.39 | 52 28 01.56 | 52 28 03.59 | ||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DAO | DA | ||||||
| Effective temperature | [K] | 34543.0 (295) | 36000.0 (300) | 38778.0 (2188) | 36469.0 (185) | 35923.0 (179) | ||||||||
| log(g) | [cgs] | 7.63 (0.05) | 7.90 (0.05) | 7.88 (0.04) | 7.78 (0.03) | 7.90 (0.03) | ||||||||
| Mass | [M☉] | 0.49 (0.02) | 0.61 (0.02) | 0.607 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | -0.40 (0.04) | ||||||||||||
| Cooling age | [Gyr] | 0.0047 (0.0005) | 0.0055 | |||||||||||
| 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] | 3.54 (0.06) | 3.50 (0.09) | 3.54 | 3.54 (0.06) | |||||||||
| Distance | [pc] | 282.55 (5) | 285.73 (7) | 282.55 | 282.56 (5) | |||||||||
| Composition | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 7.324297728 (0.05) | 7.2387423 (0.1) | 7.324 (0.05) | 11.0 | |||||||||
| Proper motion (declination) | [mas/yr] | -11.94521668 (0.05) | -12.11785225 (0.1) | -11.945 (0.05) | -14.7 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.09 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.95 (0.2) | |||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 15.99 (0.005) | 15.99 (0.005) | 15.92 (0.01) | 15.92 | 16.00 (0.01) | |||||||||
| g magnitude | 16.27 (0.003) | 16.27 (0.003) | 16.29 (0.03) | 16.28 | 16.34 (0.03) | |||||||||
| r magnitude | 16.80 (0.004) | 16.80 (0.004) | 16.77 (0.01) | 16.76 | 16.80 (0.01) | |||||||||
| i magnitude | 17.16 (0.005) | 17.16 (0.005) | 17.13 (0.01) | 17.12 | 17.15 (0.01) | |||||||||
| z magnitude | 17.53 (0.01) | 17.53 (0.01) | 17.49 (0.02) | 17.48 | 17.53 (0.02) | |||||||||
| G magnitude | 16.57 (0.003) | 16.59 | 16.57 | 16.57 (0.003) | ||||||||||
| BP magnitude | 16.42 (0.003) | 16.37 | ||||||||||||
| RP magnitude | 16.88 (0.008) | 16.86 | ||||||||||||
| Pan g magnitude | 16.39 (0.006) | |||||||||||||
| Pan r magnitude | 16.82 (0.01) | |||||||||||||
| Pan i magnitude | 17.18 (0.002) | |||||||||||||
| Pan z magnitude | 17.48 (0.007) | |||||||||||||
| Pan y magnitude | 17.67 (0.01) | |||||||||||||
| E(B-V) | 0.017 | |||||||||||||
* 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.