All names: SDSS J153242.02+522447.7, SDSS J153242.01+522448.0, Gaia DR3 1596117912866710912, SBSS 1531+525, Gaia EDR3 1596117912866710912, Gaia DR2 1596117912866710912, SDSS J153242.02+522447.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 32 42.01 (0.07) | 15 32 42.02 | 15 32 42.01 (0.09) | 15 32 42.02 (0.07) | 15 32 42.02 | |||
| Declination | 52 24 47.76 (0.07) | 52 24 47.80 | 52 24 47.76 (0.1) | 52 24 47.77 (0.07) | 52 24 47.97 | |||
| Spectral type | sd | SD_auto | ||||||
| Effective temperature | [K] | 12063.0 (55) | ||||||
| log(g) | [cgs] | 5.00 (0.001) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.08 (0.08) | 0.14 (0.1) | 0.08 (0.08) | ||||
| Distance | [pc] | 12306.66 (11701) | 6991.66 (4726) | 12300.12 (11695) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -5.681009452 (0.09) | -5.911751563 (0.2) | -5.681 (0.09) | -3.4 | |||
| Proper motion (declination) | [mas/yr] | -0.315259848 (0.1) | -0.489636787 (0.2) | -0.315 (0.1) | 4.4 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 17.00 | |||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 18.50 (0.02) | 18.50 (0.02) | 18.49 (0.02) | |||||
| g magnitude | 17.61 (0.005) | 17.61 (0.005) | 17.64 (0.02) | |||||
| r magnitude | 17.87 (0.006) | 17.87 (0.006) | 17.88 (0.01) | |||||
| i magnitude | 18.07 (0.008) | 18.07 (0.008) | 18.06 (0.02) | |||||
| z magnitude | 18.24 (0.03) | 18.22 (0.03) | 18.23 (0.03) | |||||
| G magnitude | 17.74 (0.009) | 17.77 | 17.74 (0.003) | |||||
| BP magnitude | 17.76 (0.009) | 17.74 | ||||||
| RP magnitude | 17.75 (0.02) | 17.75 | ||||||
| Pan g magnitude | 17.67 (0.004) | |||||||
| Pan r magnitude | 17.87 (0.005) | |||||||
| Pan i magnitude | 18.09 (0.003) | |||||||
| Pan z magnitude | 18.26 (0.009) | |||||||
| Pan y magnitude | 18.31 (0.02) | |||||||
| 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.