All names: KUV 494-11, FAUST 3551, UCAC4 601-050565, Gaia DR2 1465043619891174016, HIDDEN NAME PG 1250+303, SDSS J125318.50+300629.3, LB 11409, [BOA98] 19, OMHR J125318.57+300630.1, PG 1250+304, UCAC2 42413193, KUV 12509+3023, [BCF91] 26, PG1250+303, TIC 139117042, 2MASS J12531851+3006290, PB 3091, LAMOST J125318.50+300629.3, GALEX J125318.5+300630, CBS 66, Gaia DR3 1465043619891174016, HZ 35
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 53 18.50 | 12 53 18.51 (0.04) | ||
| Declination | 30 06 29.86 | 30 06 29.35 (0.04) | ||
| Spectral type | sdB | sdB | ||
| Effective temperature | [K] | 32550.0 (510) | ||
| log(g) | [cgs] | 5.81 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.58 (0.08) | 0.56 (0.06) | |
| Distance | [pc] | 1727.12 (244) | 1787.31 (184) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.151 (0.1) | 0.856 (0.06) | |
| Proper motion (declination) | [mas/yr] | -8.063 (0.09) | -8.01 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.70 (0.07) | |||
| V magnitude | 15.94 (0) | |||
| R magnitude | 16.22 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.39 (0.1) | 16.39 (0.1) | ||
| H magnitude | 17.55 | |||
| K magnitude | 16.59 | |||
| u magnitude | 15.24 (0.004) | 15.24 (0.004) | ||
| g magnitude | 15.55 (0.004) | 15.55 (0.004) | ||
| r magnitude | 16.10 (0.004) | 16.10 (0.004) | ||
| i magnitude | 16.46 (0.005) | 16.46 (0.005) | ||
| z magnitude | 16.82 (0.01) | 16.82 (0.01) | ||
| G magnitude | 15.84 (0.001) | 15.83 (0.003) | ||
| BP magnitude | 15.60 (0.009) | |||
| RP magnitude | 16.16 (0.004) | |||
| Pan g magnitude | 15.63 (0.004) | |||
| Pan r magnitude | 16.09 (0.003) | |||
| Pan i magnitude | 16.49 (0.002) | |||
| Pan z magnitude | 16.77 (0.004) | |||
| Pan y magnitude | 16.95 (0.004) | |||
| E(B-V) | 0.013 | |||
* 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.