All names: SDSS J085140.83-001720.6, Gaia DR2 3074565846514967168, GALEX J085140.8-001720, Gaia DR3 3074565846514967168, WD 0849-001, Gaia EDR3 3074565846514967168, SDSS J085140.83-001720.7
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | 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 | 08 51 40.83 (0.5) | 08 51 40.84 | 08 51 40.83 (0.6) | 08 51 40.84 (0.5) | 08 51 40.84 | 08 51 39.58 | 08 51 40.83 | 08 51 40.83 | |||
| Declination | -00 17 20.71 (0.2) | -00 17 20.67 | -00 17 20.71 (0.4) | -00 17 20.69 (0.2) | -00 17 20.67 | -00 17 18.24 | -00 17 20.66 | -00 17 20.65 | |||
| Spectral type | DA | DA | DA2.9 | DA | DA | ||||||
| Effective temperature | [K] | 17567.0 (551) | 18674.0 (616) | 17518.0 (548) | |||||||
| log(g) | [cgs] | 7.86 (0.1) | 7.93 (0.1) | 7.86 (0.1) | |||||||
| Mass | [M☉] | 0.584 (0.08) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.72 (0.5) | 1.89 (0.6) | 1.72 (0.5) | |||||||
| Distance | [pc] | 581.40 (179) | 529.65 (169) | 581.40 (179) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -3.46611292 (0.7) | -3.516221129 (1) | -3.466 (0.7) | 1.9 | 2.0 | |||||
| Proper motion (declination) | [mas/yr] | -1.399941763 (0.5) | -0.70509496 (0.7) | -1.4 (0.5) | -13.8 | -11.0 | |||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.90 (0.03) | 19.90 (0.03) | 19.91 (0.04) | 19.91 | 19.92 (0.03) | 19.91 (0.03) | |||||
| g magnitude | 19.78 (0.01) | 19.78 (0.01) | 19.79 (0.02) | 19.79 | 19.79 (0.02) | 19.79 (0.02) | |||||
| r magnitude | 20.08 (0.02) | 20.08 (0.02) | 20.09 (0.02) | 20.09 | 20.10 (0.02) | 20.09 (0.02) | |||||
| i magnitude | 20.34 (0.03) | 20.34 (0.03) | 20.35 (0.04) | 20.35 | 20.35 (0.03) | 20.35 (0.04) | |||||
| z magnitude | 21.27 (0.3) | 21.27 (0.3) | 21.24 (0.3) | 21.22 | 21.24 (0.3) | 21.22 (0.2) | |||||
| G magnitude | 19.96 (0.05) | 20.02 | 19.96 (0.005) | ||||||||
| BP magnitude | 20.03 (0.05) | 19.92 | |||||||||
| RP magnitude | 20.21 (0.08) | 20.00 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.028 | ||||||||||
* 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.