All names: Gaia DR2 1513738825221748864, SDSS J124448.87+321202.4, GALEX J124448.8+321203, SDSS J124448.86+321202.4, SDSS J124448.87+321202.5, Gaia DR3 1513738825221748864, Gaia EDR3 1513738825221748864
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 12 44 48.86 (0.7) | 12 44 48.87 | 12 44 48.86 (0.8) | 12 44 48.88 (0.7) | 12 44 48.87 | ||
| Declination | 32 12 02.68 (0.5) | 32 12 02.49 | 32 12 02.67 (0.5) | 32 12 02.33 (0.5) | 32 12 02.46 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 10139.0 (228) | |||||
| log(g) | [cgs] | 8.19 (0.3) | |||||
| Mass | [M☉] | 0.71 (0.2) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 0.45 (0.8) | 0.02 (1) | 0.45 (0.8) | |||
| Distance | [pc] | 2241.12 (4092) | 61338.78 (3976840) | 2241.15 (4093) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -14.1843867 (0.9) | -13.57145442 (1) | -14.184 (0.9) | |||
| Proper motion (declination) | [mas/yr] | 21.8515705 (0.9) | 21.72686713 (1) | 21.852 (0.9) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.81 (0.07) | 20.81 (0.07) | 20.75 (0.07) | ||||
| g magnitude | 20.34 (0.02) | 20.34 (0.02) | 20.35 (0.03) | ||||
| r magnitude | 20.42 (0.03) | 20.42 (0.03) | 20.42 (0.03) | ||||
| i magnitude | 20.56 (0.04) | 20.55 (0.04) | 20.55 (0.04) | ||||
| z magnitude | 21.23 (0.3) | 21.18 (0.2) | 21.18 (0.2) | ||||
| G magnitude | 20.37 (0.09) | 20.45 | 20.37 (0.007) | ||||
| BP magnitude | 20.42 (0.09) | 20.33 | |||||
| RP magnitude | 20.08 (0.1) | 20.22 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.012 | ||||||
* 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.