All names: WISEA J100014.21+023741.1, WD 0957+028, WISE J100014.22+023741.4, zCOSMOS 846247, WIRED J100014.23+023742.1, WD 0957+028.1, Gaia DR3 3836292212153791616, SDSS J100014.23+023742.1, [HHD2009] SDSS J1000+0237, Gaia DR2 3836292212153791616, Gaia EDR3 3836292212153791616, SDSS J100014.23+023742.2, [MMS2013] 219287, COSMOS J100014.23+023742.1, COSMOS 2715054, USNO-B1.0 0926-00239679
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 00 14.23 (1) | 10 00 14.23 | 10 00 14.23 (3) | 10 00 14.23 | 10 00 14.23 (1) | 10 00 14.23 | 10 00 14.35 | 10 00 14.23 | ||
| Declination | 02 37 42.14 (2) | 02 37 42.12 | 02 37 42.15 (5) | 02 37 42.10 | 02 37 42.14 (2) | 02 37 42.11 | 02 37 40.44 | 02 37 42.20 | ||
| Spectral type | DA+M | DA+M | DA+M: | DA dM | DA+M | |||||
| Effective temperature | [K] | 18974.0 (2095) | 8386.0 (144) | 8076.0 (173) | ||||||
| log(g) | [cgs] | 7.29 (0.4) | 8.57 (0.2) | 8.44 (0.2) | ||||||
| Mass | [M☉] | 0.33 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | |||||||||
| Distance | [pc] | |||||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -2.0 (6) | -0.9 | |||||||
| Proper motion (declination) | [mas/yr] | 4.0 (1) | -6.6 | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | 20.21 (0.007) | |||||||||
| V magnitude | 20.34 (0.007) | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 17.66 (0.04) | |||||||||
| H magnitude | 17.19 (0.04) | |||||||||
| K magnitude | 19.05 (0.03) | |||||||||
| u magnitude | 20.20 (0.05) | 20.18 | 20.18 (0.05) | 20.18 (0.05) | 20.18 | 20.19 (0.05) | ||||
| g magnitude | 20.12 (0.02) | 20.12 | 20.11 (0.02) | 20.12 (0.03) | 20.12 | 20.13 (0.03) | ||||
| r magnitude | 20.18 (0.03) | 20.19 | 20.18 (0.03) | 20.19 (0.03) | 20.19 | 20.19 (0.03) | ||||
| i magnitude | 19.67 (0.03) | 19.69 | 19.67 (0.03) | 19.69 (0.03) | 19.69 | 19.69 (0.03) | ||||
| z magnitude | 19.12 (0.06) | 19.14 | 19.12 (0.06) | 19.14 (0.06) | 19.15 | 19.14 (0.06) | ||||
| G magnitude | 20.17 (0.2) | 20.13 | 20.17 (0.02) | |||||||
| BP magnitude | 20.07 (0.2) | 20.24 | ||||||||
| RP magnitude | 19.23 (0.09) | 19.21 | ||||||||
| Pan g magnitude | 20.10 (0.006) | |||||||||
| Pan r magnitude | 20.21 (0.01) | |||||||||
| Pan i magnitude | 19.68 (0.01) | |||||||||
| Pan z magnitude | 19.21 (0.009) | |||||||||
| Pan y magnitude | 18.90 (0.02) | |||||||||
| E(B-V) | ||||||||||
* 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.