All names: Gaia DR2 655674865665718656, TIC 27550937, Gaia EDR3 655674865665718656, GALEX J081233.6+160121, SDSS J081233.67+160123.7, EPIC 211708181, GALEXJ08125+1601, GALEX J081233.6+160123, LAMOST J081233.66+160123.6, UCAC2 37533798, Gaia DR3 655674865665718656, LAMOST J081233.66+160123.8, WISE J081233.68+160124.1, UCAC4 531-045401, WISEA J081233.67+160124.0, 2MASS J08123368+1601239
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 12 33.66 (0.04) | 08 12 33.70 | 08 12 33.68 (0.04) | ||
| Declination | 16 01 23.48 (0.02) | 16 01 24.02 | 16 01 23.83 (0.02) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 31580.0 (490) | |||
| log(g) | [cgs] | 5.56 (0.1) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.21 (0.05) | 1.18 (0.07) | 1.21 (0.05) | |
| Distance | [pc] | 823.45 (31) | 844.10 (50) | 823.45 (31) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -16.361 (0.04) | -16.723 (0.1) | -16.361 (0.04) | |
| Proper motion (declination) | [mas/yr] | -21.749 (0.03) | -21.714 (0.08) | -21.749 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.49 (0.03) | ||||
| V magnitude | 13.70 (0.04) | ||||
| R magnitude | 14.04 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 14.30 (0.03) | 14.30 (0.03) | |||
| H magnitude | 14.33 (0.05) | 14.33 (0.05) | |||
| K magnitude | 14.61 (0.1) | 14.61 (0.1) | |||
| u magnitude | 14.14 (0.006) | 14.14 (0.006) | |||
| g magnitude | 14.02 (0.005) | 14.02 (0.005) | |||
| r magnitude | 14.02 (0.002) | 14.02 (0.002) | |||
| i magnitude | 14.70 (0.007) | 14.70 (0.007) | |||
| z magnitude | 14.63 (0.005) | 14.63 (0.005) | |||
| G magnitude | 13.67 (0.003) | 13.69 (0.0006) | 13.67 (0.003) | ||
| BP magnitude | 13.55 (0.003) | 13.48 (0.006) | |||
| RP magnitude | 13.93 (0.004) | 13.93 (0.002) | |||
| Pan g magnitude | 13.51 (0.001) | ||||
| Pan r magnitude | 13.90 (0.005) | ||||
| Pan i magnitude | 14.26 (0.001) | ||||
| Pan z magnitude | 14.53 (0.002) | ||||
| Pan y magnitude | 14.69 (0.006) | ||||
| E(B-V) | 0.030 | ||||
* 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.