All names: SDSS J120310.94+494850.8, ** CBL 370A, Gaia EDR3 1546811344714710912, USNO-B1.0 1398-00225118, Gaia DR2 1546811344714710912, GALEX J120310.9+494849, WDS J12032+4949A, Gaia DR3 1546811344714710912
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 12 03 10.80 (0.03) | 12 03 10.80 | 12 03 10.96 (0.03) | |||
| Declination | 49 48 50.25 (0.05) | 49 48 50.25 | 49 48 50.91 (0.05) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 10653.0 (102) | ||||
| log(g) | [cgs] | 8.07 (0.02) | ||||
| Mass | [M☉] | 0.645 (0.01) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 9.01 (0.08) | 9.01 | 9.01 (0.08) | ||
| Distance | [pc] | 111.04 (1) | 111.04 | 111.04 (1) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -93.974 (0.04) | -93.974 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -41.268 (0.06) | -41.268 (0.06) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 18.10 | |||||
| V magnitude | ||||||
| R magnitude | 17.60 | |||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.76 (0.02) | |||||
| g magnitude | 17.35 (0.02) | |||||
| r magnitude | 17.46 (0.02) | |||||
| i magnitude | 17.60 (0.01) | |||||
| z magnitude | 17.77 (0.03) | |||||
| G magnitude | 17.35 (0.003) | 17.35 | 17.35 (0.003) | |||
| BP magnitude | 17.38 (0.006) | |||||
| RP magnitude | 17.26 (0.01) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.008 | |||||
* 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.