All names: Gaia EDR3 1039246845702047360, Gaia DR2 1039246845702047360, SDSS J091021.45+593033.8, TIC 287096373, GALEX J091021.2+593033, 2MASS J09102154+5930337, uvby98 680090630, SBSS 0906+597, PG 0906+597, LAMOST J091021.49+593033.8, PG0906+597, Gaia DR3 1039246845702047360
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 10 21.48 (0.03) | 09 10 21.37 | 09 10 21.45 (0.03) | ||
| Declination | 59 30 33.83 (0.04) | 59 30 34.08 | 59 30 33.89 (0.04) | ||
| Spectral type | sdO | sdO2VIIIHe1 | |||
| Effective temperature | [K] | 74935.0 (3876) | |||
| log(g) | [cgs] | 6.40 (0.08) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.32 (0.05) | 1.32 (0.07) | 1.32 (0.05) | |
| Distance | [pc] | 757.00 (28) | 756.72 (38) | 757.00 (28) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 15.096 (0.03) | 15.176 (0.08) | 15.096 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.712 (0.04) | -3.748 (0.1) | -3.712 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.37 | ||||
| V magnitude | 15.37 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.17 (0.1) | 16.17 (0.1) | |||
| H magnitude | 16.03 (0.2) | 16.03 (0.2) | |||
| K magnitude | 15.42 | ||||
| u magnitude | 14.65 (0.004) | 14.65 (0.004) | |||
| g magnitude | 15.07 (0.003) | 15.07 (0.003) | |||
| r magnitude | 15.62 (0.004) | 15.62 (0.004) | |||
| i magnitude | 15.99 (0.005) | 15.99 (0.005) | |||
| z magnitude | 16.32 (0.008) | 16.32 (0.008) | |||
| G magnitude | 15.33 (0.003) | 15.34 (0.0008) | 15.33 (0.003) | ||
| BP magnitude | 15.15 (0.004) | 15.06 (0.01) | |||
| RP magnitude | 15.68 (0.004) | 15.67 (0.004) | |||
| Pan g magnitude | 15.13 (0.006) | ||||
| Pan r magnitude | 15.61 (0.002) | ||||
| Pan i magnitude | 16.01 (0.003) | ||||
| Pan z magnitude | 16.31 (0.003) | ||||
| Pan y magnitude | 16.50 (0.006) | ||||
| E(B-V) | 0.032 | ||||
* 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.