All names: WD 0551+123, GEN# +9.80102039, WDJ055353.91+122414.42, EGGR 44, IDS 05484+1224 B, CSI+12-05511, G 102-39, PLX 1353.13, Gaia EDR3 3343243985350681728, UBV 5996, UBV M 53737, WD 0551+122, CCDM J05540+1225B, BD+12 937B, TIC 91690158, LSPM J0553+1224, USNO 125, G 105-2, HD 39570B, Gaia DR3 3343243985350681728, ** LDS 891B, UCAC4 513-016476, WDS J05540+1225B, WD 0551+12, NLTT 15768, 2MASS J05535390+1224147, Gaia DR2 3343243985350681728, USNO-B1.0 1024-00088578
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Tremblay et al. 2017 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 53 53.90 (0.04) | 05 53 53.90 (0.06) | 05 53 53.90 | 05 53 53.91 (0.04) | 05 53 53.90 | 05 53 53.42 | ||||
| Declination | 12 24 10.25 (0.03) | 12 24 10.38 (0.05) | 12 24 10.25 | 12 24 14.42 (0.03) | 12 24 10.38 | 12 24 20.88 | ||||
| Spectral type | DB | DB | DC5 | DC5 | ||||||
| Effective temperature | [K] | 13200.0 (900) | 11132.0 (96) | |||||||
| log(g) | [cgs] | 8.03 (0.01) | ||||||||
| Mass | [M☉] | 0.602 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 17.94 (0.04) | 17.99 (0.06) | 8.68 (0.8) | 17.94 | 17.94 (0.04) | 17.99 (0.06) | 14.00 (5) | ||
| Distance | [pc] | 55.74 (0.1) | 55.60 (0.2) | 115.21 (11) | 55.74 | 55.74 (0.1) | 55.60 (0.2) | 71.43 (26) | ||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -11.39770161 (0.05) | -11.56831045 (0.1) | -11.398 (0.05) | -11.56831045 | |||||
| Proper motion (declination) | [mas/yr] | -260.6512866 (0.04) | -260.5353704 (0.1) | -260.651 (0.04) | -260.5353704 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.59 (0.07) | |||||||||
| V magnitude | 15.87 (0.05) | 14.17 (0.05) | ||||||||
| R magnitude | 16.04 (0.2) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 15.40 (0.05) | |||||||||
| H magnitude | 15.59 (0.1) | |||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | 14.33 (0.08) | |||||||||
| r magnitude | 14.06 (0.02) | |||||||||
| i magnitude | 13.97 (0.03) | |||||||||
| z magnitude | ||||||||||
| G magnitude | 15.74 (0.002) | 15.76 | 15.76 (0.002) | 15.74 | 15.74 (0.003) | 15.76 | ||||
| BP magnitude | 15.74 (0.002) | 15.71 | 15.71 | |||||||
| RP magnitude | 15.71 (0.005) | 15.71 | 15.71 | |||||||
| Pan g magnitude | 15.72 (0.0006) | |||||||||
| Pan r magnitude | 15.87 (0.003) | |||||||||
| Pan i magnitude | 16.06 (0.006) | |||||||||
| Pan z magnitude | 16.23 (0.002) | |||||||||
| Pan y magnitude | 16.34 (0.006) | |||||||||
| E(B-V) | 0.001 | |||||||||
* 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.