All names: SDSS J165143.46+364647.70, Gaia EDR3 1351208123051248768, USNO-B1.0 1267-00273819, SDSSJ165143.45+364647.7, Gaia DR2 1351208123051248768, Gaia DR3 1351208123051248768, GALEX J165143.4+364647, SDSS J165143.46+364647.7, SDSS J165143.45+364647.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 51 43.45 (0.1) | 16 51 43.46 | 16 51 43.45 | 16 51 43.45 (0.2) | 16 51 43.46 (0.1) | 16 51 43.46 | 16 51 43.46 | ||||
| Declination | 36 46 47.72 (0.2) | 36 46 47.69 | 36 46 47.70 | 36 46 47.72 (0.2) | 36 46 47.68 (0.2) | 36 46 47.67 | 36 46 47.71 | ||||
| Spectral type | sdOB | DB | SD_auto | DB | |||||||
| Effective temperature | [K] | 13019.0 | 12818.0 (153) | 12353.0 (188) | |||||||
| log(g) | [cgs] | 6.57 | 7.05 (0.06) | 7.03 (0.04) | |||||||
| Mass | [M☉] | 0.137 | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | -5.786 | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | -0.02 (0.2) | 0.08 (0.2) | 0.08 (0.2) | 0.08 (0.2) | ||||||
| Distance | [pc] | 13003.90 (39570) | 13002.64 (39555) | 13003.90 (39570) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -4.204055131 (0.2) | -4.577 (0.4) | -4.576875095 (0.4) | -4.204 (0.2) | 2.8 | |||||
| Proper motion (declination) | [mas/yr] | 2.348059105 (0.2) | 2.488 (0.6) | 2.488002177 (0.6) | 2.348 (0.2) | 0.8 | |||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.50 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 19.50 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.97 (0.02) | 18.97 (0.02) | 18.99 (0.02) | 19.00 (0.02) | 18.98 (0.02) | ||||||
| g magnitude | 19.08 (0.009) | 19.08 (0.009) | 19.09 (0.01) | 19.10 (0.02) | 19.09 (0.02) | ||||||
| r magnitude | 19.23 (0.01) | 19.23 (0.01) | 19.23 (0.01) | 19.23 (0.01) | 19.23 (0.01) | ||||||
| i magnitude | 19.29 (0.02) | 19.29 (0.02) | 19.30 (0.02) | 19.29 (0.02) | 19.28 (0.02) | ||||||
| z magnitude | 19.32 (0.05) | 19.32 (0.04) | 19.32 (0.04) | 19.31 (0.04) | 19.30 (0.04) | ||||||
| G magnitude | 19.06 (0.02) | 19.10 (0.003) | 19.10 | 19.06 (0.004) | |||||||
| BP magnitude | 19.18 (0.02) | 19.07 (0.02) | 19.07 | ||||||||
| RP magnitude | 18.96 (0.04) | 18.91 (0.03) | 18.91 | ||||||||
| Pan g magnitude | 19.07 (0.007) | 19.07 (0.007) | |||||||||
| Pan r magnitude | 19.21 (0.02) | 19.21 (0.02) | |||||||||
| Pan i magnitude | 19.27 (0.007) | 19.27 (0.007) | |||||||||
| Pan z magnitude | 19.34 (0.009) | 19.34 (0.009) | |||||||||
| Pan y magnitude | 19.39 (0.03) | 19.39 (0.03) | |||||||||
| E(B-V) | 0.022 | ||||||||||
* 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.