All names: TIC 471015202, GALEX J080801.4+120827, Gaia DR3 649989153600135680, SDSS J080801.40+120826.9, Gaia EDR3 649989153600135680, Gaia DR2 649989153600135680, SDSS J080801.40+120826.99, SDSSJ080801.40+120826.9, TIC 800645729, SDSS J080801.40+120827.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 08 01.40 (0.06) | 08 08 01.40 | 08 08 01.40 | 08 08 01.40 (0.09) | 08 08 01.40 (0.06) | ||||
| Declination | 12 08 27.01 (0.04) | 12 08 27.01 | 12 08 26.90 | 12 08 27.01 (0.06) | 12 08 27.10 (0.04) | ||||
| Spectral type | sdOB | DAO/sdO | O9III | ||||||
| Effective temperature | [K] | 35923.0 (179) | |||||||
| log(g) | [cgs] | 5.73 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.50 (0.07) | 0.40 (0.1) | 0.40 (0.1) | 0.50 (0.07) | ||||
| Distance | [pc] | 1988.24 (269) | 2490.04 (733) | 2489.79 (733) | 1988.07 (269) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -0.332398947 (0.06) | -0.58 (0.2) | -0.580343539 (0.2) | -0.332 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -5.744603279 (0.04) | -5.831 (0.1) | -5.830695998 (0.1) | -5.745 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 15.75 (0.005) | 15.75 (0.005) | 15.76 (0.01) | 15.75 (0.005) | |||||
| g magnitude | 16.04 (0.003) | 16.04 (0.003) | 16.07 (0.01) | 16.04 (0.003) | |||||
| r magnitude | 16.55 (0.004) | 16.55 (0.004) | 16.57 (0.01) | 16.55 (0.004) | |||||
| i magnitude | 16.89 (0.005) | 16.89 (0.005) | 16.89 (0.01) | 16.89 (0.005) | |||||
| z magnitude | 17.24 (0.01) | 17.24 (0.01) | 17.26 (0.02) | 17.24 (0.01) | |||||
| G magnitude | 16.29 (0.005) | 16.32 (0.002) | 16.32 | 16.29 (0.003) | |||||
| BP magnitude | 16.14 (0.005) | 16.06 (0.009) | 16.06 | ||||||
| RP magnitude | 16.57 (0.005) | 16.57 (0.006) | 16.57 | ||||||
| Pan g magnitude | 16.12 (0.004) | 16.12 (0.004) | |||||||
| Pan r magnitude | 16.55 (0.003) | 16.55 (0.003) | |||||||
| Pan i magnitude | 16.90 (0.003) | 16.90 (0.003) | |||||||
| Pan z magnitude | 17.17 (0.008) | 17.17 (0.008) | |||||||
| Pan y magnitude | 17.36 (0.008) | 17.36 (0.008) | |||||||
| E(B-V) | 0.025 | ||||||||
* 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.