All names: WISE J093245.89+081618.4, 2MASS J09324581+0816178, Gaia EDR3 588040469465211904, GALEX J093245.9+081618, PG 0930+085, LAMOST J093245.95+081618.5, SDSS J093245.91+081618.5, USNO-B1.0 0982-00208578, PG0930+085, SDSS J093245.91+081618.6, ULAS J093245.90+081618.6, WISEA J093245.89+081618.3, Gaia DR3 588040469465211904, Gaia DR2 588040469465211904, SDSS J093245.91+081618.55, UCAC4 492-052396, TIC 406496055
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 32 45.91 (0.1) | 09 32 45.91 | 09 32 45.91 | 09 32 45.94 | 09 32 45.91 (0.07) | 09 32 45.92 (0.1) | 09 32 45.91 | ||||
| Declination | 08 16 18.58 (0.1) | 08 16 18.60 | 08 16 18.60 | 08 16 18.23 | 08 16 18.58 (0.07) | 08 16 18.55 (0.1) | 08 16 18.60 | ||||
| Spectral type | sdOB | sdO | sdO | SDO | |||||||
| Effective temperature | [K] | 33519.0 (904) | 33466.0 (200) | 32898.0 (258) | |||||||
| log(g) | [cgs] | 5.89 (0.1) | 5.70 (0.03) | 5.61 (0.04) | |||||||
| Mass | [M☉] | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | -0.11 (0.1) | 0.38 (0.09) | 0.38 (0.09) | 0.38 (0.09) | ||||||
| Distance | [pc] | 2663.83 (623) | 2663.83 (623) | 2663.83 (623) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -7.317802175 (0.2) | -6.661 (0.1) | -6.661 (0.1) | -7.318 (0.2) | 0.8 | |||||
| Proper motion (declination) | [mas/yr] | 1.795146685 (0.1) | 1.68 (0.1) | 1.68 (0.1) | 1.795 (0.1) | -3.2 | |||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 16.32 (0.04) | ||||||||||
| V magnitude | 16.42 (0.01) | ||||||||||
| R magnitude | 16.40 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.78 (0.2) | 16.67 (0.01) | |||||||||
| H magnitude | 16.58 (0.3) | 16.46 (0.01) | |||||||||
| K magnitude | 15.94 (0.3) | 16.42 (0.03) | |||||||||
| u magnitude | 15.93 (0.005) | 15.93 (0.005) | 15.94 (0.005) | 15.93 (0.01) | 15.94 (0.005) | 15.93 (0.01) | |||||
| g magnitude | 16.18 (0.004) | 16.18 (0.004) | 16.18 (0.004) | 16.21 (0.01) | 16.18 (0.004) | 16.21 (0.01) | |||||
| r magnitude | 16.62 (0.005) | 16.62 (0.005) | 16.62 (0.005) | 16.67 (0.01) | 16.62 (0.005) | 16.67 (0.01) | |||||
| i magnitude | 16.91 (0.006) | 16.91 (0.006) | 16.91 (0.006) | 16.97 (0.02) | 16.91 (0.006) | 16.97 (0.01) | |||||
| z magnitude | 17.09 (0.01) | 17.09 (0.01) | 17.09 (0.01) | 17.16 (0.02) | 17.09 (0.01) | 17.17 (0.02) | |||||
| G magnitude | 16.44 (0.002) | 16.47 (0.002) | 16.47 | 16.44 (0.003) | |||||||
| BP magnitude | 16.29 (0.002) | 16.24 (0.01) | 16.24 | ||||||||
| RP magnitude | 16.60 (0.004) | 16.60 (0.005) | 16.60 | ||||||||
| Pan g magnitude | 16.28 (0.004) | 16.28 (0.004) | |||||||||
| Pan r magnitude | 16.64 (0.004) | 16.64 (0.004) | |||||||||
| Pan i magnitude | 16.96 (0.002) | 16.96 (0.002) | |||||||||
| Pan z magnitude | 17.20 (0.01) | 17.20 (0.01) | |||||||||
| Pan y magnitude | 17.38 (0.02) | 17.38 (0.02) | |||||||||
| E(B-V) | 0.027 | ||||||||||
* 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.