All names: Gaia DR3 627036332971606144, Gaia EDR3 627036332971606144, TIC 27001287, USNO-B1.0 1101-00177135, 2MASS J10040431+2009226, WD 1001+203, GALEX J100404.2+200922, Ton 1150, PG 1001+204, HS 1001+2023, Gaia DR2 627036332971606144
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 04 04.20 (0.1) | 10 04 04.21 (0.2) | 10 04 04.30 (0.1) | 10 04 03.84 | |||
| Declination | 20 09 21.99 (0.1) | 20 09 22.01 (0.1) | 20 09 22.63 (0.1) | 20 09 08.28 | |||
| Spectral type | DA | DA2+dM | DA | ||||
| Effective temperature | [K] | 21010.0 (439) | |||||
| log(g) | [cgs] | 7.88 (0.06) | |||||
| Mass | [M☉] | 0.56 (0.03) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| log(C/H) | |||||||
| log(N/H) | |||||||
| log(O/H) | |||||||
| log(Na/H) | |||||||
| log(Mg/H) | |||||||
| log(Al/H) | |||||||
| log(Si/H) | |||||||
| log(P/H) | |||||||
| log(S/H) | |||||||
| log(Sc/H) | |||||||
| log(Ti/H) | |||||||
| log(Cr/H) | |||||||
| log(Mn/H) | |||||||
| log(Fe/H) | |||||||
| log(Ni/H) | |||||||
| Parallax | [mas] | 8.43 (0.2) | 9.61 (0.2) | 8.43 (0.2) | |||
| Distance | [pc] | 118.56 (2) | 104.09 (2) | 93.00 | 118.56 (2) | ||
| Composition | H | ||||||
| Proper motion (right ascension) | [mas/yr] | -87.59412101 (0.2) | -88.409 (0.3) | -87.594 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -40.41369478 (0.1) | -39.758 (0.3) | -40.414 (0.1) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | 16.07 | ||||||
| V magnitude | |||||||
| R magnitude | 15.10 | ||||||
| I magnitude | |||||||
| J magnitude | 12.64 (0.02) | ||||||
| H magnitude | 12.03 (0.02) | ||||||
| K magnitude | 11.77 (0.02) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 14.77 (0.003) | 14.78 | 14.77 (0.003) | ||||
| BP magnitude | 15.38 (0.003) | 15.38 | |||||
| RP magnitude | 13.94 (0.001) | 13.97 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.007 | ||||||
* 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.