All names: 2MASS J10020692+4355296, SDSS J100206.98+435529.8, WISE J100206.90+435529.6, Gaia EDR3 808096447475123584, WD 0959+441, Gaia DR2 808096451769956352, Gaia DR2 808096447475123584
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | SDSS DR12 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 02 06.91 (0.2) | 10 02 06.91 (0.2) | 10 02 06.98 | 10 02 06.97 | 10 02 06.93 (320) | 10 02 06.98 | 10 02 06.91 | 10 02 06.98 | |||
| Declination | 43 55 29.35 (0.2) | 43 55 29.37 (0.2) | 43 55 29.78 | 43 55 29.80 | 43 55 29.63 (290) | 43 55 29.81 | 43 55 24.96 | 43 55 29.81 | |||
| Spectral type | DA+M | DA | dM | DA+M | DA d | DA+M | |||||
| Effective temperature | [K] | 16149.0 (337) | 16840.0 (360) | 10570.0 (53) | 10531.0 (53) | ||||||
| log(g) | [cgs] | 7.92 (0.07) | 8.01 (0.06) | 8.28 (0.04) | 8.24 (0.05) | ||||||
| Mass | [M☉] | 0.57 (0.04) | 0.62 (0.04) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.1479 | |||||||||
| 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] | 4.34 (0.3) | 2.74 (0.3) | ||||||||
| Distance | [pc] | 230.18 (13) | 365.33 (44) | 219.00 (21) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -48.67610178 (0.2) | -48.79939131 (0.3) | -46.1 | |||||||
| Proper motion (declination) | [mas/yr] | -31.41206535 (0.2) | -32.01714364 (0.4) | -31.6 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.18 (0.1) | ||||||||||
| H magnitude | 15.53 (0.1) | ||||||||||
| K magnitude | 15.30 (0.2) | ||||||||||
| u magnitude | 18.16 | 18.16 (0.01) | 18.16 (0.02) | 18.16 | 18.16 (0.02) | ||||||
| g magnitude | 17.88 | 17.85 (0.006) | 17.88 (0.03) | 17.88 | 17.88 (0.03) | ||||||
| r magnitude | 18.10 | 18.06 (0.007) | 18.10 (0.01) | 18.10 | 18.09 (0.01) | ||||||
| i magnitude | 18.01 | 17.90 (0.007) | 18.02 (0.02) | 18.02 | 18.01 (0.02) | ||||||
| z magnitude | 17.59 | 17.51 (0.01) | 17.59 (0.02) | 17.59 | 17.58 (0.02) | ||||||
| G magnitude | 18.07 (0.01) | 18.07 | 19.49 (0.006) | ||||||||
| BP magnitude | 17.96 (0.01) | 17.95 | |||||||||
| RP magnitude | 17.47 (0.01) | 17.48 | |||||||||
| Pan g magnitude | 17.89 (0.005) | ||||||||||
| Pan r magnitude | 18.11 (0.01) | ||||||||||
| Pan i magnitude | 17.98 (0.005) | ||||||||||
| Pan z magnitude | 17.69 (0.01) | ||||||||||
| Pan y magnitude | 17.43 (0.01) | ||||||||||
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.