All names: Gaia DR3 5286825950756440832, UCAC2 4250607, 2MASS J07073867-6222413, GALEX J070738.9-622241, WISE J070738.68-622241.3, WISEA J070738.68-622241.1, GALEXJ07076-6222, DENIS J070738.6-622241, Gaia DR2 5286825950756440832, TIC 348992108, UCAC4 139-009048
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 07 07 38.98 | 07 07 38.66 (0.02) | ||
| Declination | -62 22 41.66 | -62 22 41.33 (0.02) | ||
| Spectral type | He-sdOB | sdOC6.5VIIHe40 | ||
| 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] | 0.60 (0.03) | 0.67 (0.02) | |
| Distance | [pc] | 1653.71 (91) | 1482.36 (52) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.619 (0.07) | -1.416 (0.03) | |
| Proper motion (declination) | [mas/yr] | 13.951 (0.08) | 13.82 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.37 (0.05) | |||
| V magnitude | 14.47 (0.03) | |||
| R magnitude | ||||
| I magnitude | 14.67 (0.03) | |||
| J magnitude | 15.00 (0.04) | 15.00 (0.04) | ||
| H magnitude | 14.96 (0.07) | 14.96 (0.07) | ||
| K magnitude | 15.23 (0.2) | 15.23 (0.2) | ||
| u magnitude | ||||
| g magnitude | 14.32 (0.02) | |||
| r magnitude | 14.62 (0.05) | |||
| i magnitude | 14.87 (0.09) | |||
| z magnitude | ||||
| G magnitude | 14.47 (0.0007) | 14.45 (0.003) | ||
| BP magnitude | 14.28 (0.009) | |||
| RP magnitude | 14.65 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.069 | |||
* 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.