All names: Gaia DR2 640415980732444416, GALEX J094839.0+220725, UCAC4 561-049500, GALEXJ09486+2207, 2MASS J09483911+2207257, Gaia DR3 640415980732444416, TIC 88021496, WISE J094839.12+220725.8, WISEA J094839.11+220725.7, SDSS J094839.11+220725.7
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 09 48 39.00 | 09 48 39.12 (0.03) | |
| Declination | 22 07 25.69 | 22 07 25.74 (0.02) | |
| Spectral type | sdB | sdB | |
| 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] | -0.02 (0.08) | |
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 0.201 (0.1) | 0.151 (0.04) |
| Proper motion (declination) | [mas/yr] | -2.1 (0.1) | -2.108 (0.03) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 13.91 (0.03) | ||
| V magnitude | 14.01 (0.03) | ||
| R magnitude | 14.35 (0.1) | ||
| I magnitude | |||
| J magnitude | 14.41 (0.03) | 14.41 (0.03) | |
| H magnitude | 14.47 (0.04) | 14.47 (0.04) | |
| K magnitude | 14.52 (0.06) | 14.52 (0.06) | |
| u magnitude | 14.10 (0.004) | ||
| g magnitude | 14.17 (0.006) | 13.89 (0.03) | |
| r magnitude | 14.34 (0.008) | 14.20 (0.03) | |
| i magnitude | 14.53 (0.004) | 14.70 (0.4) | |
| z magnitude | 14.76 (0.005) | ||
| G magnitude | 14.06 (0.0006) | 14.04 (0.003) | |
| BP magnitude | 13.94 (0.006) | ||
| RP magnitude | 14.20 (0.003) | ||
| Pan g magnitude | 13.91 (0.002) | ||
| Pan r magnitude | 14.25 (0.003) | ||
| Pan i magnitude | 14.53 (0.003) | ||
| Pan z magnitude | 14.76 (0.007) | ||
| Pan y magnitude | 14.87 (0.005) | ||
| E(B-V) | |||
* 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.