All names: CBS 98, Gaia DR2 810691780249660800, 2MASS J09235476+3623369, FBS B 495, LAMOST J092354.76+362335.7, FBS 0920+366, SDSS J092354.78+362337.0, Gaia DR3 810691780249660800, GALEX J092354.8+362336, WD 0920+366, UCAC4 632-044981, CBS98, Gaia EDR3 810691780249660800
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Geier 2020 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 23 54.79 (0.05) | 09 23 54.77 | 09 23 54.79 (0.08) | 09 23 54.79 (0.05) | 09 23 54.14 | |||
| Declination | 36 23 37.00 (0.05) | 36 23 35.75 | 36 23 37.00 (0.08) | 36 23 37.12 (0.05) | 36 23 47.76 | |||
| Spectral type | sdOB | sdBO | DA1 | |||||
| Effective temperature | [K] | 35401.0 (169) | ||||||
| log(g) | [cgs] | 5.79 (0.03) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.62 (0.07) | 0.63 (0.1) | 0.63 (0.1) | 0.62 (0.07) | |||
| Distance | [pc] | 1619.47 (174) | 1586.29 (295) | 1586.29 (295) | 1619.43 (174) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 3.528185361 (0.06) | 3.331 (0.2) | 3.331 (0.2) | 3.528 (0.06) | |||
| Proper motion (declination) | [mas/yr] | -7.672574838 (0.06) | -7.548 (0.1) | -7.548 (0.1) | -7.673 (0.06) | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 15.71 (0.3) | |||||||
| V magnitude | ||||||||
| R magnitude | 16.18 (0.1) | |||||||
| I magnitude | ||||||||
| J magnitude | 16.41 (0.2) | 16.41 (0.2) | ||||||
| H magnitude | 16.32 (0.3) | 16.32 (0.3) | ||||||
| K magnitude | 15.92 | |||||||
| u magnitude | 15.02 (0.004) | 15.03 (0.004) | ||||||
| g magnitude | 15.36 (0.003) | 15.36 (0.003) | ||||||
| r magnitude | 15.88 (0.004) | 15.88 (0.004) | ||||||
| i magnitude | 16.24 (0.005) | 16.24 (0.005) | ||||||
| z magnitude | 16.57 (0.009) | 16.56 (0.008) | ||||||
| G magnitude | 15.64 (0.004) | 15.66 (0.001) | 15.66 | 15.64 (0.003) | ||||
| BP magnitude | 15.48 (0.004) | 15.42 (0.009) | 15.42 | |||||
| RP magnitude | 15.96 (0.004) | 15.96 (0.006) | 15.96 | |||||
| Pan g magnitude | 15.46 (0.003) | 15.46 (0.003) | ||||||
| Pan r magnitude | 15.91 (0.002) | 15.91 (0.002) | ||||||
| Pan i magnitude | 16.28 (0.003) | 16.28 (0.003) | ||||||
| Pan z magnitude | 16.57 (0.003) | 16.57 (0.003) | ||||||
| Pan y magnitude | 16.76 (0.008) | 16.76 (0.008) | ||||||
| E(B-V) | 0.019 | |||||||
* 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.