All names: SDSS J090338.97+011143.5, Gaia EDR3 576657874122667520, Gaia DR3 576657874122667520, WD 0901+013, SDSS J090338.98+011143.6, GALEX J090339.0+011143, SDSS J090338.98+011143.5, Gaia DR2 576657874122667520
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 03 38.98 (0.4) | 09 03 38.97 | 09 03 38.98 (0.6) | 09 03 38.98 (0.4) | 09 03 38.98 | 09 03 37.80 | 09 03 38.98 | 09 03 38.98 | |||||
| Declination | 01 11 43.51 (0.3) | 01 11 43.53 | 01 11 43.51 (0.5) | 01 11 43.55 (0.3) | 01 11 43.55 | 01 11 40.20 | 01 11 43.60 | 01 11 43.62 | |||||
| Spectral type | DA | DA | DA | DA1.7 | DA | DA | |||||||
| Effective temperature | [K] | 30542.0 (982) | 30126.0 (666) | 30343.0 (639) | 30270.0 (673) | ||||||||
| log(g) | [cgs] | 8.15 (0.2) | 8.02 (0.1) | 8.06 (0.1) | 8.04 (0.1) | ||||||||
| Mass | [M☉] | 0.73 (0.1) | 0.674 (0.08) | ||||||||||
| log(Luminosity) | [L☉] | -0.96 (0.2) | |||||||||||
| Cooling age | [Gyr] | 0.0100 (0.004) | |||||||||||
| 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] | 0.92 (0.5) | 1.13 (0.7) | 0.92 (0.5) | |||||||||
| Distance | [pc] | 1082.41 (602) | 882.78 (537) | 1082.37 (602) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.119950012 (0.5) | -4.088513502 (1) | -4.12 (0.5) | 2.4 | 2.0 | |||||||
| Proper motion (declination) | [mas/yr] | -2.445763706 (0.3) | -3.617036872 (0.9) | -2.446 (0.3) | -1.0 | 0.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.30 (0.03) | 19.30 (0.03) | 19.27 (0.03) | 19.28 | 19.28 (0.03) | 19.28 (0.03) | |||||||
| g magnitude | 19.50 (0.01) | 19.50 (0.01) | 19.51 (0.02) | 19.51 | 19.52 (0.02) | 19.51 (0.02) | |||||||
| r magnitude | 19.90 (0.02) | 19.90 (0.02) | 19.96 (0.03) | 19.96 | 19.96 (0.03) | 19.96 (0.03) | |||||||
| i magnitude | 20.28 (0.06) | 20.28 (0.06) | 20.37 (0.04) | 20.36 | 20.37 (0.04) | 20.36 (0.04) | |||||||
| z magnitude | 20.54 (0.2) | 20.54 (0.2) | 20.56 (0.2) | 20.59 | 20.56 (0.2) | 20.59 (0.2) | |||||||
| G magnitude | 19.73 (0.06) | 19.79 | 19.73 (0.005) | ||||||||||
| BP magnitude | 19.58 (0.06) | 19.65 | |||||||||||
| RP magnitude | 19.71 (0.09) | 19.99 | |||||||||||
| Pan g magnitude | 19.55 (0.007) | ||||||||||||
| Pan r magnitude | 19.95 (0.01) | ||||||||||||
| Pan i magnitude | 20.30 (0.03) | ||||||||||||
| Pan z magnitude | 20.52 (0.05) | ||||||||||||
| Pan y magnitude | |||||||||||||
| E(B-V) | 0.038 | ||||||||||||
* 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.