All names: PG 1237-141, EC 12373-1408, Gaia DR3 3527117891839889920, 2MASS J12395653-1424477, Gaia DR2 3527117891839889920, HE 1237-1408, SDSS J123956.53-142447.6, GALEX J123956.5-142447, UCAC4 378-065175, TIC 181859563, PG1237-141
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 12 39 56.57 | 12 39 56.54 (0.05) | ||
| Declination | -14 24 47.80 | -14 24 47.72 (0.03) | ||
| Spectral type | sdOB | sdO | ||
| Effective temperature | [K] | 39683.0 (1000) | ||
| log(g) | [cgs] | 5.33 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.10 (0.1) | 0.22 (0.07) | |
| Distance | [pc] | 10070.49 (11774) | 4486.32 (1411) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -10.484 (0.2) | -10.003 (0.07) | |
| Proper motion (declination) | [mas/yr] | 1.519 (0.1) | 1.27 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.13 (0.01) | |||
| V magnitude | 16.31 (0.07) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.66 (0.2) | 16.66 (0.2) | ||
| H magnitude | 17.03 | |||
| K magnitude | 16.28 | |||
| u magnitude | 15.64 (0.005) | 15.66 (0.02) | ||
| g magnitude | 15.93 (0.004) | 15.99 (0.02) | ||
| r magnitude | 16.45 (0.004) | 16.47 (0.01) | ||
| i magnitude | 16.79 (0.006) | 16.81 (0.01) | ||
| z magnitude | 17.09 (0.01) | 17.13 (0.03) | ||
| G magnitude | 16.23 (0.001) | 16.20 (0.003) | ||
| BP magnitude | 16.00 (0.007) | |||
| RP magnitude | 16.50 (0.007) | |||
| Pan g magnitude | 16.03 (0.002) | |||
| Pan r magnitude | 16.45 (0.003) | |||
| Pan i magnitude | 16.83 (0.004) | |||
| Pan z magnitude | 17.10 (0.006) | |||
| Pan y magnitude | 17.27 (0.009) | |||
| E(B-V) | 0.022 | |||
* 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.