All names: Gaia EDR3 2854091981071865344, PG0001+275, TIC 118032308, SBC9 3418, 2MASS J00035560+2748375, LAMOST J000355.60+274837.4, Gaia DR2 2854091981071865344, UCAC3 236-395, UCAC4 590-000193, UCAC2 41476311, Gaia DR3 2854091981071865344, PG 0001+275
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 03 55.61 (0.02) | 00 03 55.61 | 00 03 55.60 (0.02) | ||
| Declination | 27 48 37.16 (0.02) | 27 48 35.79 | 27 48 37.47 (0.02) | ||
| Spectral type | sdB+WD | sdB2VIIHe3 | |||
| Effective temperature | [K] | 25400.0 (500) | |||
| log(g) | [cgs] | 5.30 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.74 (0.03) | 1.80 (0.06) | 1.74 (0.03) | |
| Distance | [pc] | 573.56 (11) | 555.22 (17) | 573.56 (11) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 4.548 (0.03) | 4.436 (0.07) | 4.548 (0.03) | |
| Proper motion (declination) | [mas/yr] | -19.23 (0.02) | -19.187 (0.03) | -19.23 (0.02) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.16 (0.04) | ||||
| V magnitude | 13.32 (0.03) | ||||
| R magnitude | 13.60 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 13.83 (0.02) | 13.83 (0.02) | |||
| H magnitude | 13.97 (0.04) | 13.97 (0.04) | |||
| K magnitude | 14.02 (0.06) | 14.02 (0.06) | |||
| u magnitude | 13.11 (0.003) | ||||
| g magnitude | 13.45 (0.003) | ||||
| r magnitude | 13.49 (0.007) | ||||
| i magnitude | 14.17 (0.006) | ||||
| z magnitude | 14.23 (0.004) | ||||
| G magnitude | 13.31 (0.003) | 13.33 (0.0003) | 13.31 (0.003) | ||
| BP magnitude | 13.20 (0.003) | 13.16 (0.004) | |||
| RP magnitude | 13.52 (0.004) | 13.52 (0.001) | |||
| Pan g magnitude | 13.04 | ||||
| Pan r magnitude | 13.49 | ||||
| Pan i magnitude | 13.88 (0.003) | ||||
| Pan z magnitude | 14.11 (0.002) | ||||
| Pan y magnitude | 14.27 (0.003) | ||||
| E(B-V) | 0.058 | ||||
* 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.