All names: FBS 2300+354, FBS B 627, GALEXJ23025+3542, TIC 44223583, Gaia DR2 1915346403727521408, Gaia DR3 1915346403727521408, GALEX J230232.7+354226, 2MASS J23023278+3542266
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 02 32.79 | 23 02 32.78 (0.02) | ||
| Declination | 35 42 26.90 | 35 42 26.57 (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] | 1.08 (0.05) | 1.10 (0.03) | |
| Distance | [pc] | 925.33 (43) | 911.00 (28) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.275 (0.05) | -1.165 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.954 (0.06) | -5.905 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.90 | |||
| V magnitude | 13.90 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.67 (0.04) | 14.67 (0.04) | ||
| H magnitude | 14.81 (0.07) | 14.81 (0.07) | ||
| K magnitude | 15.17 (0.2) | 15.17 (0.2) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.25 (0.0004) | 14.23 (0.003) | ||
| BP magnitude | 14.09 (0.003) | |||
| RP magnitude | 14.42 (0.001) | |||
| Pan g magnitude | 14.10 (0.004) | |||
| Pan r magnitude | 14.45 (0.004) | |||
| Pan i magnitude | 14.77 (0.002) | |||
| Pan z magnitude | 15.00 (0.005) | |||
| Pan y magnitude | 15.14 (0.003) | |||
| E(B-V) | 0.090 | |||
* 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.