All names: GALEX J013826.9+033938, PHL1079, Gaia DR3 2560685069816099968, 2MASS J01382699+0339389, Gaia DR2 2560685069816099968, uvby98 610161079, PHL 1079, TIC 262846506
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 38 26.92 | 01 38 26.99 (0.08) | ||
| Declination | 03 39 38.00 | 03 39 39.09 (0.05) | ||
| Spectral type | sdB+G7V | sdB+G7V | ||
| 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] | 1.75 (0.09) | 1.88 (0.09) | |
| Distance | [pc] | 572.77 (29) | 531.52 (25) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 16.404 (0.2) | 14.996 (0.1) | |
| Proper motion (declination) | [mas/yr] | -16.789 (0.1) | -18.365 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.40 | |||
| V magnitude | 12.60 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.67 (0.02) | 12.67 (0.02) | ||
| H magnitude | 12.25 (0.03) | 12.25 (0.03) | ||
| K magnitude | 12.19 (0.03) | 12.19 (0.03) | ||
| u magnitude | 13.20 (0.003) | |||
| g magnitude | 13.78 (0.004) | |||
| r magnitude | 13.36 (0.003) | |||
| i magnitude | 13.47 (0.003) | |||
| z magnitude | 13.50 (0.003) | |||
| G magnitude | 13.28 (0.001) | 13.27 (0.003) | ||
| BP magnitude | 13.26 (0.007) | |||
| RP magnitude | 13.18 (0.005) | |||
| Pan g magnitude | 13.21 (0.005) | |||
| Pan r magnitude | 13.39 (0.01) | |||
| Pan i magnitude | 13.48 (0.001) | |||
| Pan z magnitude | 13.54 (0.003) | |||
| Pan y magnitude | 13.53 (0.005) | |||
| E(B-V) | 0.032 | |||
* 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.