All names: GALEX J014307.3-383316, SB705, Gaia DR3 4962221462214625920, uvby98 620021705, SB 705, TYC 7542-796-1, GSC 07542-00796, Gaia DR1 4962221457917783040, 2MASS J01430750-3833162, GALEX J014307.5-383316, EC 01409-3848, Gaia DR2 4962221462214625920, TIC 115273584, CSI-38-01410
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 01 43 07.50 | 01 43 07.50 (0.02) | ||
| Declination | -38 33 16.27 | -38 33 16.23 (0.03) | ||
| Spectral type | He-sdO | sdOC7.5VIIHe40 | ||
| Effective temperature | [K] | 45090.0 (8070) | ||
| log(g) | [cgs] | 5.64 (0.6) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.06 (0.05) | 1.09 (0.04) | |
| Distance | [pc] | 942.15 (47) | 914.08 (31) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 10.478 (0.05) | 10.542 (0.02) | |
| Proper motion (declination) | [mas/yr] | 8.872 (0.07) | 9.036 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.97 (0.2) | |||
| V magnitude | 13.01 (0.3) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.77 (0.03) | 13.77 (0.03) | ||
| H magnitude | 13.85 (0.04) | 13.85 (0.04) | ||
| K magnitude | 13.99 (0.05) | 13.99 (0.05) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 12.97 (0.0007) | 12.94 (0.003) | ||
| BP magnitude | 12.69 (0.006) | |||
| RP magnitude | 13.27 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.009 | |||
* 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.