All names: SDSS J092339.99+080616.5, Gaia EDR3 587274380443421056, Gaia DR3 587274380443421056, SDSS J092340.00+080616.6, SDSS J092340.00+080616.5, Gaia DR2 587274380443421056
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 23 39.97 (0.7) | 09 23 40.00 | 09 23 40.00 (0.7) | 09 23 40.00 | ||||
| Declination | 08 06 16.61 (0.8) | 08 06 16.51 | 08 06 16.67 (0.8) | 08 06 16.61 | ||||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 6814.0 (118) | ||||||
| log(g) | [cgs] | 8.25 (0.2) | ||||||
| Mass | [M☉] | 0.742 (0.1) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 6.07 (0.8) | 6.07 (0.8) | |||||
| Distance | [pc] | 164.84 (21) | 164.84 (21) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -31.01125392 (1) | -31.011 (1) | |||||
| Proper motion (declination) | [mas/yr] | -3.834716222 (1) | -3.835 (1) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.03 (0.08) | 21.01 (0.08) | 20.94 (0.09) | |||||
| g magnitude | 20.50 (0.02) | 20.50 (0.02) | 20.40 (0.03) | |||||
| r magnitude | 20.15 (0.02) | 20.16 (0.02) | 20.16 (0.02) | |||||
| i magnitude | 20.09 (0.03) | 20.07 (0.03) | 20.07 (0.03) | |||||
| z magnitude | 20.21 (0.1) | 20.21 (0.1) | 20.04 (0.1) | |||||
| G magnitude | 20.16 (0.07) | 20.16 (0.008) | ||||||
| BP magnitude | 20.39 (0.07) | |||||||
| RP magnitude | 19.82 (0.1) | |||||||
| Pan g magnitude | 20.38 (0.02) | |||||||
| Pan r magnitude | 20.18 (0.009) | |||||||
| Pan i magnitude | 20.12 (0.02) | |||||||
| Pan z magnitude | 20.08 (0.07) | |||||||
| Pan y magnitude | 20.01 (0.03) | |||||||
| E(B-V) | 0.010 | |||||||
* 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.