All names: CBS 307, SDSS J151409.46+501103.17, Gaia DR2 1589646634102564736, Gaia DR3 1589646634102564736, GALEX J151409.6+501102, CBS307, SBSS 1512+503, SDSS J151409.46+501103.1, Gaia EDR3 1589646634102564736, SDSS J151409.45+501103.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 14 09.46 (0.06) | 15 14 09.46 | 15 14 09.45 | 15 14 09.46 (0.09) | 15 14 09.46 (0.06) | ||||
| Declination | 50 11 03.18 (0.07) | 50 11 03.15 | 50 11 01.70 | 50 11 03.18 (0.1) | 50 11 03.12 (0.07) | ||||
| Spectral type | sdOB | sdO | sdBO | ||||||
| Effective temperature | [K] | 32910.0 (127) | |||||||
| log(g) | [cgs] | 5.77 (0.03) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.27 (0.08) | 0.32 (0.1) | 0.32 (0.1) | 0.27 (0.08) | ||||
| Distance | [pc] | 3707.86 (1038) | 3165.56 (1049) | 3165.47 (1049) | 3707.82 (1038) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 0.20948681 (0.08) | -0.198 (0.2) | -0.198404533 (0.2) | 0.209 (0.08) | ||||
| Proper motion (declination) | [mas/yr] | 4.054436644 (0.1) | 2.985 (0.2) | 2.985216359 (0.2) | 4.054 (0.1) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.39 (0.006) | 16.39 (0.006) | 16.41 (0.03) | 16.39 (0.006) | |||||
| g magnitude | 16.66 (0.004) | 16.65 (0.004) | 16.70 (0.03) | 16.66 (0.004) | |||||
| r magnitude | 17.17 (0.005) | 17.16 (0.005) | 17.18 (0.02) | 17.17 (0.005) | |||||
| i magnitude | 17.44 (0.007) | 17.44 (0.007) | 17.45 (0.01) | 17.44 (0.007) | |||||
| z magnitude | 17.72 (0.02) | 17.72 (0.02) | 17.76 (0.02) | 17.72 (0.02) | |||||
| G magnitude | 16.96 (0.005) | 16.96 (0.002) | 16.96 | 16.96 (0.003) | |||||
| BP magnitude | 16.78 (0.005) | 16.71 (0.01) | 16.71 | ||||||
| RP magnitude | 17.19 (0.007) | 17.17 (0.009) | 17.17 | ||||||
| Pan g magnitude | 16.76 (0.002) | 16.76 (0.002) | |||||||
| Pan r magnitude | 17.18 (0.01) | 17.18 (0.01) | |||||||
| Pan i magnitude | 17.50 (0.006) | 17.50 (0.006) | |||||||
| Pan z magnitude | 17.73 (0.007) | 17.73 (0.007) | |||||||
| Pan y magnitude | 17.84 (0.01) | 17.84 (0.01) | |||||||
| E(B-V) | 0.020 | ||||||||
* 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.