All names: SDSS J120328.64+042653.3, WD 1200+047, LSPM J1203+0426, LP 554-23, 2MASS J12032867+0426532, NLTT 29432, USNO-B1.0 0944-00201067, SDSS J120328.64+042653.4, SDSS J120328.65+042653.4
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 12 03 28.67 (0.1) | |
| Declination | 04 26 53.27 (0.09) | |
| 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] | 20.45 (0.2) |
| Distance | [pc] | 48.90 (0.4) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -253.608 (0.3) |
| Proper motion (declination) | [mas/yr] | 152.362 (0.2) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 17.90 | |
| V magnitude | ||
| R magnitude | 17.60 | |
| I magnitude | ||
| J magnitude | 16.39 (0.01) | |
| H magnitude | 16.49 (0.02) | |
| K magnitude | 16.92 (0.06) | |
| u magnitude | 19.58 (0.03) | |
| g magnitude | 18.18 (0.006) | |
| r magnitude | 17.47 (0.006) | |
| i magnitude | 17.21 (0.006) | |
| z magnitude | 17.12 (0.01) | |
| G magnitude | 17.52 (0.001) | |
| 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.