All names: [HHD2009] SDSS J0802+5257, USNO-A2.0 1425-07071822, SDSS J080235.69+525736.5, Gaia EDR3 936610596345095552, WD 0758+530, 2MASS J08023568+5257367, GALEX J080235.5+525737, WIRED J080235.69+525736.3, SDSS J080235.69+525736.3, SDSS J080235.70+525736.4, SDSS J080235.70+525736.3, Gaia DR3 936610596345095552, Gaia DR2 936610596345095552, TIC 252974015, SDSS J080235.76+525736.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 02 35.72 (0.2) | 08 02 35.70 | 08 02 35.72 (0.3) | 08 02 35.69 | 08 02 35.70 (0.2) | 08 02 35.47 | 08 02 35.70 | ||||
| Declination | 52 57 35.78 (0.1) | 52 57 36.39 | 52 57 35.81 (0.2) | 52 57 36.29 | 52 57 36.52 (0.1) | 52 57 30.60 | 52 57 36.36 | ||||
| Spectral type | DA+M | DA+M | DA d | DA+M | DA | ||||||
| Effective temperature | [K] | 11302.0 (396) | 8560.0 (89) | ||||||||
| log(g) | [cgs] | 8.06 (0.2) | 7.28 (0.2) | ||||||||
| Mass | [M☉] | 0.64 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 3.04 (0.2) | 3.21 (0.4) | 3.04 (0.2) | |||||||
| Distance | [pc] | 329.02 (25) | 311.93 (34) | 622.00 (46) | 329.02 (25) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.84840826 (0.2) | 12.0905011 (0.4) | 11.848 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -46.20145742 (0.2) | -45.96055908 (0.3) | -46.201 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | 18.30 (0.3) | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 18.90 (0.3) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.59 (0.1) | ||||||||||
| H magnitude | 16.16 (0.2) | ||||||||||
| K magnitude | 15.58 (0.03) | ||||||||||
| u magnitude | 19.71 (0.03) | 19.71 | 19.70 (0.04) | 19.71 | 19.70 (0.04) | ||||||
| g magnitude | 19.21 (0.01) | 19.21 | 19.21 (0.01) | 19.20 | 19.21 (0.01) | ||||||
| r magnitude | 19.17 (0.01) | 19.17 | 19.16 (0.01) | 19.17 | 19.18 (0.02) | ||||||
| i magnitude | 18.67 (0.01) | 18.68 | 18.67 (0.01) | 18.67 | 18.68 (0.01) | ||||||
| z magnitude | 18.05 (0.02) | 18.07 | 18.06 (0.02) | 18.07 | 18.07 (0.03) | ||||||
| G magnitude | 18.89 (0.03) | 18.90 | 18.89 (0.004) | ||||||||
| BP magnitude | 19.36 (0.03) | 19.30 | |||||||||
| RP magnitude | 18.22 (0.02) | 18.24 | |||||||||
| Pan g magnitude | 19.19 (0.02) | ||||||||||
| Pan r magnitude | 19.19 (0.01) | ||||||||||
| Pan i magnitude | 18.69 (0.004) | ||||||||||
| Pan z magnitude | 18.18 (0.003) | ||||||||||
| Pan y magnitude | 17.89 (0.01) | ||||||||||
| E(B-V) | 0.027 | ||||||||||
* 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.