All names: GALEX J162823.6+244200, SDSS J162823.52+244159.6, WD 1626+248, 2MASS J16282363+2441594, Gaia DR2 1302306759291103104, SDSS J162823.63+244159.7, TIC 219747892, Gaia DR3 1302306759291103104, Gaia EDR3 1302306759291103104, SDSS J162823.64+244159.7
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 28 23.63 (0.1) | 16 28 23.63 | 16 28 23.63 (0.1) | 16 28 23.63 | 16 28 23.63 (0.1) | 16 28 23.45 | 16 28 23.64 | ||
| Declination | 24 41 59.66 (0.1) | 24 41 59.69 | 24 41 59.66 (0.2) | 24 41 59.71 | 24 41 59.68 (0.1) | 24 41 56.04 | 24 41 59.73 | ||
| Spectral type | DA+M | DA+dMe | DA dM | DA:M | |||||
| Effective temperature | [K] | 32222.0 (1548) | 6300.0 (3) | ||||||
| log(g) | [cgs] | 7.60 (0.3) | 10.00 (0.003) | ||||||
| Mass | [M☉] | 0.47 (0.2) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.61 (0.2) | 0.22 (0.3) | 0.61 (0.2) | |||||
| Distance | [pc] | 1644.54 (536) | 4491.55 (5075) | 580.00 (73) | 1644.47 (537) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.835277336 (0.1) | -2.75407373 (0.3) | -2.835 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | -1.532471168 (0.2) | -1.674129984 (0.4) | -1.532 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.55 (0.1) | ||||||||
| H magnitude | 15.92 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | 19.95 (0.04) | 20.02 | 20.05 (0.05) | 20.01 | 20.05 (0.05) | ||||
| g magnitude | 19.64 (0.01) | 19.63 | 19.63 (0.01) | 19.62 | 19.63 (0.02) | ||||
| r magnitude | 19.12 (0.01) | 19.08 | 19.09 (0.01) | 19.07 | 19.08 (0.03) | ||||
| i magnitude | 18.49 (0.01) | 18.53 | 18.52 (0.01) | 18.52 | 18.53 (0.03) | ||||
| z magnitude | 18.06 (0.02) | 18.11 | 18.13 (0.02) | 18.11 | 18.12 (0.03) | ||||
| G magnitude | 18.95 (0.03) | 18.98 | 18.95 (0.003) | ||||||
| BP magnitude | 19.49 (0.03) | 19.38 | |||||||
| RP magnitude | 18.15 (0.01) | 18.09 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.038 | ||||||||
* 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.