All names: USNO-B1.0 1010-00200435, WD 1202+113, SDSS J120448.72+110157.94, Gaia DR3 3918713523622355328, SDSS J120448.73+110157.9, Gaia EDR3 3918713523622355328, SDSS J120448.75+110157.9, Gaia DR2 3918713523622355328, SDSS J120448.72+110157.9, GALEX J120448.8+110157
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 04 48.71 (0.2) | 12 04 48.74 | 12 04 48.71 (0.2) | 12 04 48.76 (0.2) | 12 04 48.55 | ||||
| Declination | 11 01 57.82 (0.1) | 11 01 57.94 | 11 01 57.83 (0.1) | 11 01 57.91 (0.1) | 11 01 54.12 | ||||
| Spectral type | DA+M3_known | DA+M3 | ? | ||||||
| Effective temperature | [K] | 23886.0 (919) | |||||||
| log(g) | [cgs] | 8.06 (0.1) | |||||||
| Mass | [M☉] | 0.6609999999999999 (0.06) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.36 (0.2) | 0.45 (0.3) | 1.36 (0.2) | |||||
| Distance | [pc] | 734.82 (110) | 2223.85 (1471) | 734.81 (110) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -47.9501057 (0.2) | -48.63330412 (0.5) | -47.95 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -5.250988656 (0.2) | -3.978464608 (0.3) | -5.251 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 19.40 | ||||||||
| V magnitude | |||||||||
| R magnitude | 19.20 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 19.54 (0.03) | 19.56 (0.04) | 19.56 (0.04) | ||||||
| g magnitude | 19.29 (0.01) | 19.32 (0.02) | 19.32 (0.02) | ||||||
| r magnitude | 19.04 (0.01) | 19.07 (0.02) | 19.07 (0.02) | ||||||
| i magnitude | 18.24 (0.009) | 18.27 (0.02) | 18.27 (0.02) | ||||||
| z magnitude | 17.64 (0.02) | 17.66 (0.02) | 17.66 (0.02) | ||||||
| G magnitude | 18.67 (0.03) | 18.69 | 18.67 (0.004) | ||||||
| BP magnitude | 19.31 (0.03) | 19.28 | |||||||
| RP magnitude | 17.82 (0.02) | 17.79 | |||||||
| Pan g magnitude | 19.22 (0.05) | ||||||||
| Pan r magnitude | 19.08 (0.007) | ||||||||
| Pan i magnitude | 18.23 (0.008) | ||||||||
| Pan z magnitude | 17.76 (0.006) | ||||||||
| Pan y magnitude | 17.49 (0.007) | ||||||||
| E(B-V) | 0.021 | ||||||||
* 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.