All names: Gaia DR2 1540573506009074688, TIC 148763512, SDSSJ123753.22+433153.7, 2MASS J12375322+4331536, SDSS J123753.22+433153.7, Gaia EDR3 1540573506009074688, GALEX J123753.2+433153, [BGK2006] J123753.23+433153.8, Gaia DR3 1540573506009074688
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 37 53.23 (0.04) | 12 37 53.23 | 12 37 53.22 | 12 37 53.23 (0.06) | 12 37 53.23 (0.04) | 12 37 53.23 | |||
| Declination | 43 31 53.74 (0.04) | 43 31 53.78 | 43 31 53.70 | 43 31 53.74 (0.05) | 43 31 53.82 (0.04) | 43 31 53.77 | |||
| Spectral type | sdB | sdA | SD_auto | ||||||
| Effective temperature | [K] | 20112.0 (169) | |||||||
| 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] | 0.16 (0.05) | 0.15 (0.07) | 0.15 (0.07) | 0.16 (0.05) | ||||
| Distance | [pc] | 6214.58 (2101) | 6816.63 (3476) | 6815.11 (3474) | 6215.04 (2101) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.568437048 (0.04) | -2.245 (0.08) | -2.24490213 (0.08) | -2.568 (0.04) | -2.9 | |||
| Proper motion (declination) | [mas/yr] | -5.094458698 (0.05) | -5.1 (0.1) | -5.099820751 (0.1) | -5.094 (0.05) | -3.2 | |||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.91 (0.1) | 16.91 (0.1) | |||||||
| H magnitude | 16.48 (0.2) | 16.48 (0.2) | |||||||
| K magnitude | 16.65 | ||||||||
| u magnitude | 16.77 (0.007) | 16.77 (0.007) | 16.77 (0.007) | 16.74 (0.03) | |||||
| g magnitude | 16.33 (0.003) | 16.33 (0.003) | 16.33 (0.003) | 16.39 (0.02) | |||||
| r magnitude | 16.69 (0.004) | 16.70 (0.004) | 16.70 (0.004) | 16.69 (0.02) | |||||
| i magnitude | 16.96 (0.005) | 16.96 (0.005) | 16.96 (0.005) | 16.98 (0.02) | |||||
| z magnitude | 17.16 (0.01) | 17.16 (0.01) | 17.16 (0.01) | 17.20 (0.02) | |||||
| G magnitude | 16.54 (0.003) | 16.56 (0.001) | 16.56 | 16.54 (0.003) | |||||
| BP magnitude | 16.49 (0.003) | 16.46 (0.006) | 16.46 | ||||||
| RP magnitude | 16.64 (0.006) | 16.63 (0.01) | 16.63 | ||||||
| Pan g magnitude | 16.43 (0.008) | 16.43 (0.008) | |||||||
| Pan r magnitude | 16.70 (0.003) | 16.70 (0.003) | |||||||
| Pan i magnitude | 16.99 (0.004) | 16.99 (0.004) | |||||||
| Pan z magnitude | 17.18 (0.006) | 17.18 (0.006) | |||||||
| Pan y magnitude | 17.27 (0.009) | 17.27 (0.009) | |||||||
| E(B-V) | 0.018 | ||||||||
* 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.