All names: Gaia DR2 2513152250139211648, Gaia EDR3 2513152250139211648, WD 0215+005.1, SDSS J021827.56+004454.1, 2MASS J02182755+0044534, Gaia DR3 2513152250139211648, TIC 419995358, SDSS J021827.57+004454.1, GALEX J021827.5+004453
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 18 27.58 (0.3) | 02 18 27.56 | 02 18 27.58 (0.4) | 02 18 27.56 | 02 18 27.57 (0.3) | 02 18 27.17 | 02 18 27.57 | |||
| Declination | 00 44 54.05 (0.3) | 00 44 54.12 | 00 44 54.06 (0.4) | 00 44 54.10 | 00 44 54.10 (0.3) | 00 44 54.24 | 00 44 54.14 | |||
| Spectral type | DA+M | DA+M | DA4.6 M | DA:M | ||||||
| Effective temperature | [K] | 11045.0 (2235) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.00 (1) | 9.99 (0.01) | |||||||
| Mass | [M☉] | 0.23 (0.4) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.43 (0.4) | 1.99 (0.5) | 1.43 (0.4) | ||||||
| Distance | [pc] | 699.33 (171) | 503.56 (120) | 359.00 (89) | 699.35 (171) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.525524501 (0.4) | 8.425828563 (1) | 9.526 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -2.535407161 (0.4) | -1.920009272 (0.7) | -2.535 (0.4) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.82 (0.02) | |||||||||
| H magnitude | 16.25 (0.02) | |||||||||
| K magnitude | 15.99 (0.03) | |||||||||
| u magnitude | 21.30 (0.1) | 21.11 | 21.10 (0.1) | 21.11 | 21.11 (0.09) | |||||
| g magnitude | 20.58 (0.02) | 20.62 | 20.62 (0.03) | 20.62 | 20.62 (0.03) | |||||
| r magnitude | 20.04 (0.02) | 20.08 | 20.07 (0.02) | 20.07 | 20.06 (0.03) | |||||
| i magnitude | 18.97 (0.01) | 19.07 | 19.06 (0.01) | 19.06 | 19.06 (0.02) | |||||
| z magnitude | 18.22 (0.02) | 18.27 | 18.27 (0.02) | 18.26 | 18.24 (0.03) | |||||
| G magnitude | 19.54 (0.1) | 19.59 | 19.54 (0.005) | |||||||
| BP magnitude | 20.35 (0.1) | 20.42 | ||||||||
| RP magnitude | 18.49 (0.04) | 18.53 | ||||||||
| Pan g magnitude | 20.53 (0.02) | |||||||||
| Pan r magnitude | 20.06 (0.02) | |||||||||
| Pan i magnitude | 19.00 (0.008) | |||||||||
| Pan z magnitude | 18.40 (0.01) | |||||||||
| Pan y magnitude | 18.09 (0.03) | |||||||||
| 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.