All names: WISE J075215.12+004709.9, GALEXJ07522+0047, 2MASS J07521511+0047100, TIC 266200506, UCAC2 32022344, DENIS J075215.1+004710, GALEX J075215.1+004711, Gaia DR2 3087329321090653824, WISEA J075215.11+004709.9, UCAC4 454-039405, Gaia DR3 3087329321090653824, SDSS J075215.11+004710.1, Gaia EDR3 3087329321090653824
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 07 52 15.11 (0.03) | 07 52 15.16 | 07 52 15.11 (0.03) | ||
| Declination | 00 47 10.07 (0.02) | 00 47 11.49 | 00 47 10.11 (0.02) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.89 (0.04) | 0.86 (0.05) | 0.89 (0.04) | |
| Distance | [pc] | 1126.51 (47) | 1157.81 (68) | 1126.51 (47) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.5 (0.04) | -2.658 (0.09) | -2.5 (0.04) | |
| Proper motion (declination) | [mas/yr] | -2.97 (0.03) | -2.98 (0.06) | -2.97 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.44 (0.03) | ||||
| V magnitude | 14.64 (0.04) | ||||
| R magnitude | 14.79 (0.06) | ||||
| I magnitude | 14.81 (0.03) | ||||
| J magnitude | 15.15 (0.04) | 15.15 (0.04) | |||
| H magnitude | 15.12 (0.08) | 15.12 (0.08) | |||
| K magnitude | 15.30 (0.2) | 15.30 (0.2) | |||
| u magnitude | 14.33 (0.004) | ||||
| g magnitude | 14.44 (0.004) | 14.41 (0.06) | |||
| r magnitude | 14.89 (0.006) | 14.88 (0.03) | |||
| i magnitude | 15.18 (0.005) | 15.13 (0.01) | |||
| z magnitude | 15.34 (0.006) | ||||
| G magnitude | 14.58 (0.003) | 14.60 (0.0005) | 14.58 (0.003) | ||
| BP magnitude | 14.47 (0.003) | 14.42 (0.004) | |||
| RP magnitude | 14.81 (0.004) | 14.81 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | 18.93 (0.06) | ||||
| Pan y magnitude | |||||
| E(B-V) | 0.037 | ||||
* 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.