All names: SDSS J021759.08+004517.5, 2MASS J02175909+0045178, SDSS J021759.08+004517.6, GALEX J021759.0+004518, SDSS J021759.09+004517.6, SDSS J021759.09+004517.3, Gaia DR3 2513153040412857856, [SGR2010] J0217+0045, WD 0215+005, Gaia EDR3 2513153040412857856, Gaia DR2 2513153040412857856, TIC 419995100, WIRED J021759.08+004517.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 17 59.10 (0.2) | 02 17 59.08 | 02 17 59.10 (0.3) | 02 17 59.08 | 02 17 59.09 (0.2) | 02 17 59.08 | 02 17 59.16 | 02 17 59.09 | |||
| Declination | 00 45 17.38 (0.2) | 00 45 17.55 | 00 45 17.39 (0.3) | 00 45 17.60 | 00 45 17.65 (0.2) | 00 45 17.63 | 00 45 13.32 | 00 45 17.61 | |||
| Spectral type | DA+M | DA+M | DA+M | DA | DA+M | ||||||
| Effective temperature | [K] | 11173.0 (622) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.38 (0.4) | 7.69 (0.3) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.85 (0.2) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.18 (0.3) | 2.55 (0.3) | 2.18 (0.3) | |||||||
| Distance | [pc] | 457.70 (55) | 391.82 (53) | 666.00 (73) | 457.69 (55) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 15.06013421 (0.3) | 15.1183713 (0.6) | 15.06 (0.3) | 10.5 | ||||||
| Proper motion (declination) | [mas/yr] | -16.32221305 (0.3) | -15.07621601 (0.5) | -16.322 (0.3) | -14.8 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.40 (0.01) | ||||||||||
| H magnitude | 15.87 (0.02) | ||||||||||
| K magnitude | 15.57 (0.02) | ||||||||||
| u magnitude | 20.66 (0.07) | 20.65 | 20.65 (0.07) | 20.65 (0.07) | 20.65 | 20.65 (0.07) | |||||
| g magnitude | 20.06 (0.02) | 20.06 | 20.07 (0.02) | 20.06 (0.02) | 20.05 | 20.06 (0.02) | |||||
| r magnitude | 19.60 (0.02) | 19.64 | 19.60 (0.01) | 19.64 (0.03) | 19.63 | 19.62 (0.03) | |||||
| i magnitude | 18.59 (0.01) | 18.55 | 18.56 (0.01) | 18.55 (0.02) | 18.54 | 18.54 (0.02) | |||||
| z magnitude | 17.84 (0.02) | 17.87 | 17.86 (0.02) | 17.87 (0.03) | 17.86 | 17.85 (0.03) | |||||
| G magnitude | 19.10 (0.05) | 19.12 | 19.10 (0.004) | ||||||||
| BP magnitude | 19.91 (0.05) | 19.89 | |||||||||
| RP magnitude | 18.10 (0.02) | 18.08 | |||||||||
| Pan g magnitude | 20.00 (0.02) | ||||||||||
| Pan r magnitude | 19.59 (0.02) | ||||||||||
| Pan i magnitude | 18.58 (0.005) | ||||||||||
| Pan z magnitude | 17.96 (0.005) | ||||||||||
| Pan y magnitude | 17.63 (0.01) | ||||||||||
| E(B-V) | 0.030 | ||||||||||
* 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.