All names: SDSS J020351.29+004025.1, [HHD2009] SDSS J0203+0040, [SGR2010] J0203+0040, Gaia DR2 2508048458897183616, 2MASS J02035127+0040249, Gaia DR3 2508048458897183616, SDSS J020351.30+004025.0, Gaia EDR3 2508048458897183616, TIC 419955987, WIRED J020351.28+004025.1, SDSS J020351.29+004025.0, WD 0201+004, SDSS J020351.28+004025.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Pyrzas et al. 2015 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 03 51.30 (0.1) | 02 03 51.30 | 02 03 51.30 (0.2) | 02 03 51.29 (0.1) | 02 03 51.30 | 02 03 51.07 | 02 03 51.29 | ||||
| Declination | 00 40 24.98 (0.1) | 00 40 25.04 | 00 40 24.98 (0.2) | 00 40 25.03 (0.1) | 00 40 25.05 | 00 40 22.44 | 00 40 25.14 | ||||
| Spectral type | DA+dM | DA+M | DA+M | DA+M | |||||||
| Effective temperature | [K] | 10790.0 | 6300.0 (1) | 6300.0 (1) | |||||||
| log(g) | [cgs] | 8.17 | 8.00 (0.2) | 5.65 (0.3) | |||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.31 (0.2) | 2.46 (0.2) | 2.31 (0.2) | |||||||
| Distance | [pc] | 432.55 (30) | 406.29 (38) | 432.54 (30) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 10.48772002 (0.2) | 10.49728543 (0.4) | 10.488 (0.2) | 7.8 | ||||||
| Proper motion (declination) | [mas/yr] | -3.268038857 (0.2) | -3.109978444 (0.4) | -3.268 (0.2) | -5.0 | ||||||
| Variability | VAR | ||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | 19.40 | ||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.63 (0.007) | ||||||||||
| H magnitude | 15.11 (0.009) | ||||||||||
| K magnitude | 14.84 (0.01) | ||||||||||
| u magnitude | 20.26 (0.05) | 20.31 (0.05) | 20.34 (0.05) | 20.33 | 20.34 (0.05) | ||||||
| g magnitude | 19.45 (0.01) | 19.43 (0.01) | 19.44 (0.02) | 19.45 | 19.43 (0.02) | ||||||
| r magnitude | 18.70 (0.01) | 18.67 (0.01) | 18.70 (0.02) | 18.70 | 18.68 (0.02) | ||||||
| i magnitude | 17.64 (0.007) | 17.64 (0.007) | 17.64 (0.02) | 17.65 | 17.63 (0.02) | ||||||
| z magnitude | 16.99 (0.01) | 17.02 (0.01) | 17.02 (0.02) | 17.02 | 16.99 (0.02) | ||||||
| G magnitude | 18.24 (0.04) | 18.26 | 18.24 (0.003) | ||||||||
| BP magnitude | 19.20 (0.04) | 19.18 | |||||||||
| RP magnitude | 17.20 (0.009) | 17.21 | |||||||||
| Pan g magnitude | 19.34 (0.01) | ||||||||||
| Pan r magnitude | 18.66 (0.008) | ||||||||||
| Pan i magnitude | 17.64 (0.004) | ||||||||||
| Pan z magnitude | 17.12 (0.005) | ||||||||||
| Pan y magnitude | 16.87 (0.008) | ||||||||||
| E(B-V) | 0.028 | ||||||||||
| Period #1 | [s] | 398.8 | |||||||||
| Amplitude #1 | [mma] | 11.9 | |||||||||
| Period #2 | [s] | 683.9 | |||||||||
| Amplitude #2 | [mma] | 15.2 | |||||||||
| Period #3 | [s] | 957.0 | |||||||||
| Amplitude #3 | [mma] | 38.5 | |||||||||
* 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.