All names: SDSS J092534.54+330516.4, WD 0922+333, SDSS J092534.55+330516.5, Gaia DR2 701273189123861760, Gaia DR3 701273189123861760, GALEX J092534.5+330516, Gaia EDR3 701273189123861760
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 25 34.55 (0.4) | 09 25 34.55 | 09 25 34.55 (0.7) | 09 25 34.54 (0.4) | 09 25 34.54 | 09 25 34.25 | 09 25 34.55 | |||
| Declination | 33 05 16.35 (0.3) | 33 05 16.46 | 33 05 16.35 (0.5) | 33 05 16.44 (0.3) | 33 05 16.47 | 33 05 13.20 | 33 05 16.47 | |||
| Spectral type | DA | DA | DA_auto | DA | DA | |||||
| Effective temperature | [K] | 33374.0 (1294) | 34123.0 (739) | 33223.0 (679) | ||||||
| log(g) | [cgs] | 7.14 (0.3) | 7.31 (0.1) | 7.29 (0.1) | ||||||
| Mass | [M☉] | 0.33 (0.07) | 0.443 (0.04) | |||||||
| log(Luminosity) | [L☉] | -0.14 (0.2) | ||||||||
| Cooling age | [Gyr] | 0.0001 (0.0001) | ||||||||
| 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] | -0.20 (0.6) | -1.62 (0.9) | |||||||
| Distance | [pc] | |||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 3.174963469 (0.5) | 2.015671035 (1) | 3.175 (0.5) | 7.0 | |||||
| Proper motion (declination) | [mas/yr] | -5.724536106 (0.4) | -4.3275812 (0.9) | -5.725 (0.4) | -1.9 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.31 (0.02) | 19.28 (0.03) | 19.27 (0.03) | 19.26 | 19.28 (0.03) | |||||
| g magnitude | 19.57 (0.01) | 19.58 (0.01) | 19.59 (0.03) | 19.58 | 19.57 (0.03) | |||||
| r magnitude | 20.07 (0.02) | 20.08 (0.02) | 20.08 (0.03) | 20.07 | 20.07 (0.03) | |||||
| i magnitude | 20.38 (0.04) | 20.39 (0.04) | 20.40 (0.04) | 20.39 | 20.39 (0.04) | |||||
| z magnitude | 21.10 (0.3) | 21.15 (0.3) | 21.13 (0.3) | 21.12 | 21.10 (0.3) | |||||
| G magnitude | 19.83 (0.03) | 19.88 | 19.83 (0.005) | |||||||
| BP magnitude | 19.72 (0.03) | 19.71 | ||||||||
| RP magnitude | 20.05 (0.08) | 20.25 | ||||||||
| Pan g magnitude | 19.64 (0.01) | |||||||||
| Pan r magnitude | 20.05 (0.01) | |||||||||
| Pan i magnitude | 20.40 (0.02) | |||||||||
| Pan z magnitude | 20.69 (0.04) | |||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | ||||||||||
* 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.