All names: SDSS J095021.77+150907.7, LSPM J0950+1509, 2MASS J09502180+1509101, WD 0947+153, Gaia DR2 616396182856185728, LP 428-53, PM J09503+1509, USNO-B1.0 1051-00183201, NLTT 22727
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 09 50 21.80 (0.2) | |
| Declination | 15 09 09.69 (0.2) | |
| Spectral type | DC | |
| Effective temperature | [K] | |
| log(g) | [cgs] | |
| Mass | [M☉] | |
| log(Luminosity) | [L☉] | |
| Cooling age | [Gyr] | |
| log(H/He) | ||
| log(C/He) | ||
| log(Ca/He) | ||
| log(Ca/H) | ||
| Parallax | [mas] | 25.94 (0.3) |
| Distance | [pc] | 38.55 (0.4) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -65.691 (0.3) |
| Proper motion (declination) | [mas/yr] | -309.17 (0.3) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 18.50 | |
| V magnitude | ||
| R magnitude | 17.20 | |
| I magnitude | ||
| J magnitude | 16.16 (0.1) | |
| H magnitude | 15.95 (0.2) | |
| K magnitude | ||
| u magnitude | 19.18 (0.03) | |
| g magnitude | 17.90 (0.006) | |
| r magnitude | 17.37 (0.005) | |
| i magnitude | 17.17 (0.006) | |
| z magnitude | 17.08 (0.01) | |
| G magnitude | 17.42 (0.002) | |
| BP magnitude | ||
| RP magnitude | ||
| Pan g magnitude | ||
| Pan r magnitude | ||
| Pan i magnitude | ||
| Pan z magnitude | ||
| Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.