All names: GALEX J092520.0+273620, Gaia DR3 694513086691301504, SDSS J092520.01+273619.7, LAMOST J092520.01+273619.7, Gaia DR2 694513086691301504, SDSSJ092520.01+273619.7
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 09 25 20.01 | 09 25 20.01 (0.2) | |
| Declination | 27 36 19.70 | 27 36 19.80 (0.2) | |
| 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] | -0.45 (0.3) | 0.06 (0.3) |
| Distance | [pc] | 16155.09 (71824) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -2.994 (0.5) | -2.785 (0.3) |
| Proper motion (declination) | [mas/yr] | -3.582 (0.4) | -3.967 (0.2) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 18.18 (0.01) | 18.18 (0.01) | |
| g magnitude | 18.49 (0.008) | 18.49 (0.008) | |
| r magnitude | 19.05 (0.01) | 19.05 (0.01) | |
| i magnitude | 19.40 (0.02) | 19.40 (0.02) | |
| z magnitude | 19.63 (0.07) | 19.64 (0.07) | |
| G magnitude | 18.81 (0.003) | 18.77 (0.004) | |
| BP magnitude | 18.55 (0.02) | ||
| RP magnitude | 18.93 (0.05) | ||
| Pan g magnitude | 18.59 (0.008) | ||
| Pan r magnitude | 19.03 (0.007) | ||
| Pan i magnitude | 19.39 (0.007) | ||
| Pan z magnitude | 19.67 (0.02) | ||
| Pan y magnitude | 19.82 (0.04) | ||
| 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.