All names: GALEX J082832.8+145205, GSC 00808-00490, UVO0825+15, Gaia DR2 651745279826458112, GALAH 160331001701297, Gaia EDR3 651745279826458112, TD1 32707, UCAC2 36998046, LAMOST J082832.87+145202.5, LAMOST J082832.86+145202.4, GALEX J082832.7+145204, TIC 20420376, TD1 31206, 2MASS J08283287+1452024, [CW83] 0825+15, Gaia DR3 651745279826458112, [VKN2011] J082832.9+145205, EPIC 211623711, UCAC3 210-102498, LAMOST J082832.89+145205.1, TYC 808-490-1
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 28 32.84 (0.04) | 08 28 32.98 | 08 28 32.87 (0.04) | ||
| Declination | 14 52 02.45 (0.03) | 14 52 02.89 | 14 52 02.48 (0.03) | ||
| Spectral type | He-sdOB | sdBHe | |||
| Effective temperature | [K] | 37060.0 (610) | |||
| log(g) | [cgs] | 5.92 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 3.71 (0.06) | 3.59 (0.07) | 3.71 (0.06) | |
| Distance | [pc] | 269.60 (4) | 278.68 (5) | 269.60 (4) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -26.089 (0.05) | -26.451 (0.1) | -26.089 (0.05) | |
| Proper motion (declination) | [mas/yr] | -1.882 (0.04) | -1.855 (0.08) | -1.882 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.57 (0.1) | ||||
| V magnitude | 11.82 (0.2) | ||||
| R magnitude | 12.01 (0.04) | ||||
| I magnitude | |||||
| J magnitude | 12.43 (0.02) | 12.43 (0.02) | |||
| H magnitude | 12.59 (0.03) | 12.59 (0.03) | |||
| K magnitude | 12.65 (0.03) | 12.65 (0.03) | |||
| u magnitude | 12.63 (0.006) | ||||
| g magnitude | |||||
| r magnitude | 12.01 (0.001) | ||||
| i magnitude | 12.40 (0.002) | ||||
| z magnitude | 13.59 (0.01) | ||||
| G magnitude | 11.62 (0.003) | 11.64 (0.0008) | 11.62 (0.003) | ||
| BP magnitude | 11.46 (0.003) | 11.40 (0.01) | |||
| RP magnitude | 11.95 (0.004) | 11.95 (0.001) | |||
| Pan g magnitude | 12.45 (0.1) | ||||
| Pan r magnitude | 13.00 (0.0002) | ||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.020 | ||||
* 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.