All names: SDSS J073729.52+452958.26, GALEX J073729.6+452959, Gaia EDR3 927027768393214336, Gaia DR3 927027768393214336, Gaia DR2 927027768393214336, SDSS J073729.52+452958.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 37 29.52 (0.9) | 07 37 29.52 | 07 37 29.52 (1) | 07 37 29.52 (0.9) | ||||
| Declination | 45 29 58.20 (0.6) | 45 29 58.28 | 45 29 58.20 (0.9) | 45 29 58.21 (0.6) | ||||
| Spectral type | DA+M: | DA+M | ||||||
| Effective temperature | [K] | 18756.0 (1054) | ||||||
| log(g) | [cgs] | 7.82 (0.2) | ||||||
| Mass | [M☉] | 0.5329999999999999 (0.09) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.59 (0.9) | -0.21 (2) | 0.59 (0.9) | ||||
| Distance | [pc] | 1690.14 (2548) | 1690.05 (2548) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -2.843564676 (1) | -3.309121826 (4) | -2.844 (1) | ||||
| Proper motion (declination) | [mas/yr] | -0.487444262 (0.7) | -0.393144315 (2) | -0.487 (0.7) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.15 (0.09) | 21.15 (0.09) | 21.15 (0.09) | |||||
| g magnitude | 20.63 (0.02) | 20.63 (0.02) | 20.63 (0.02) | |||||
| r magnitude | 20.52 (0.03) | 20.52 (0.03) | 20.52 (0.03) | |||||
| i magnitude | 20.57 (0.04) | 20.57 (0.04) | 20.57 (0.04) | |||||
| z magnitude | 20.09 (0.1) | 20.09 (0.1) | 20.09 (0.1) | |||||
| G magnitude | 20.49 (0.09) | 20.54 | 20.49 (0.009) | |||||
| BP magnitude | 20.51 (0.09) | 21.00 | ||||||
| RP magnitude | 20.14 (0.1) | 20.05 | ||||||
| Pan g magnitude | 20.55 (0.02) | |||||||
| Pan r magnitude | 20.57 (0.02) | |||||||
| Pan i magnitude | 20.54 (0.02) | |||||||
| Pan z magnitude | 20.31 (0.04) | |||||||
| Pan y magnitude | 19.84 (0.08) | |||||||
| E(B-V) | 0.055 | |||||||
* 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.