All names: TYC 3446-855-1, PG1051+501, TIC 318252726, 2MASS J10541852+4949597, [TFW97] J105418.51+494959.73, SDSS J105418.53+494959.8, GALEX J105418.3+494959, Gaia DR3 832980633290384256, UCAC4 700-052819, LAMOST J105418.52+494959.7, SBSS 1051+501, Gaia DR2 832980633290384256, UCAC2 48054337, PG 1051+501
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 54 18.55 | 10 54 18.53 (0.02) | ||
| Declination | 49 50 00.35 | 49 49 59.72 (0.03) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 33800.0 (900) | ||
| log(g) | [cgs] | 4.96 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.59 (0.09) | 0.73 (0.04) | |
| Distance | [pc] | 1686.06 (242) | 1374.00 (74) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.575 (0.07) | 0.613 (0.03) | |
| Proper motion (declination) | [mas/yr] | -9.469 (0.1) | -9.552 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.30 (0.3) | |||
| V magnitude | 13.59 (0.3) | |||
| R magnitude | 13.70 (0.07) | |||
| I magnitude | ||||
| J magnitude | 14.10 (0.05) | 14.10 (0.05) | ||
| H magnitude | 14.18 (0.08) | 14.18 (0.08) | ||
| K magnitude | 14.43 (0.06) | 14.43 (0.06) | ||
| u magnitude | 12.93 (0.003) | |||
| g magnitude | 13.47 (0.002) | |||
| r magnitude | 13.74 (0.005) | |||
| i magnitude | 14.07 (0.005) | |||
| z magnitude | 14.39 (0.005) | |||
| G magnitude | 13.34 (0.0007) | 13.32 (0.003) | ||
| BP magnitude | 13.11 (0.01) | |||
| RP magnitude | 13.63 (0.004) | |||
| Pan g magnitude | 13.32 | |||
| Pan r magnitude | 13.60 (0.01) | |||
| Pan i magnitude | 13.98 (0.004) | |||
| Pan z magnitude | 14.27 (0.004) | |||
| Pan y magnitude | 14.45 (0.005) | |||
| E(B-V) | 0.019 | |||
* 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.