All names: Gaia EDR3 745350720492163456, LAMOST J100721.13+300851.5, SDSS J100721.14+300851.6, 2MASS J10072113+3008519, Gaia DR2 745350720492163456, TIC 331944874, SDSS J100721.13+300851.6, SDSS J100721.13+300851.5, WD 1004+303, Gaia DR3 745350720492163456, GALEX J100721.1+300852
| 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 | 10 07 21.14 (0.1) | 10 07 21.13 | 10 07 21.14 (0.2) | 10 07 21.13 | 10 07 21.13 (0.1) | 10 07 21.36 | 10 07 21.14 | |||
| Declination | 30 08 51.17 (0.1) | 30 08 51.62 | 30 08 51.19 (0.2) | 30 08 51.50 | 30 08 51.78 (0.1) | 30 08 49.56 | 30 08 51.57 | |||
| Spectral type | DA+M | DA+dMe | DA dM | DA+M | ||||||
| Effective temperature | [K] | 9401.0 (219) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 8.17 (0.4) | 10.00 (0.003) | |||||||
| Mass | [M☉] | 0.71 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 4.30 (0.1) | 4.27 (0.2) | 4.30 (0.1) | ||||||
| Distance | [pc] | 232.69 (8) | 233.99 (11) | 921.00 (241) | 232.69 (8) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 6.858368302 (0.2) | 7.477893656 (0.3) | 6.858 (0.2) | ||||||
| Proper motion (declination) | [mas/yr] | -38.17735623 (0.1) | -37.59956129 (0.3) | -38.177 (0.1) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.13 (0.06) | |||||||||
| H magnitude | 14.63 (0.07) | |||||||||
| K magnitude | 14.29 (0.07) | |||||||||
| u magnitude | 19.55 (0.03) | 19.59 | 19.55 (0.03) | 19.59 | 19.58 (0.03) | |||||
| g magnitude | 18.89 (0.009) | 18.92 | 18.89 (0.009) | 18.91 | 18.91 (0.02) | |||||
| r magnitude | 18.27 (0.008) | 18.30 | 18.27 (0.008) | 18.29 | 18.29 (0.02) | |||||
| i magnitude | 17.20 (0.006) | 17.21 | 17.21 (0.006) | 17.20 | 17.20 (0.02) | |||||
| z magnitude | 16.50 (0.009) | 16.50 | 16.50 (0.009) | 16.49 | 16.49 (0.02) | |||||
| G magnitude | 17.80 (0.02) | 17.81 | 17.80 (0.003) | |||||||
| BP magnitude | 18.72 (0.02) | 18.76 | ||||||||
| RP magnitude | 16.76 (0.005) | 16.76 | ||||||||
| Pan g magnitude | 18.82 (0.009) | |||||||||
| Pan r magnitude | 18.32 (0.006) | |||||||||
| Pan i magnitude | 17.24 (0.006) | |||||||||
| Pan z magnitude | 16.64 (0.003) | |||||||||
| Pan y magnitude | 16.35 (0.007) | |||||||||
| E(B-V) | 0.016 | |||||||||
* 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.