All names: Gaia DR2 1392066593614407424, ** SKF 1755A, SDSS J151045.59+404827.4, AP J15104562+4048271, TIC 20236886, Gaia DR3 1392066593614407424, 2MASS J15104562+4048271, WDS J15108+4048A, UCAC4 655-057382, SDSS_J151045.68+404827.0, Gaia EDR3 1392066593614407424, SDSS J151045.70+404827.1, WD 1508+409
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 10 45.53 (0.02) | 15 10 45.70 | 15 10 45.53 (0.03) | 15 10 45.61 (0.02) | 15 10 45.69 | 15 10 45.14 | 15 10 45.70 | ||
| Declination | 40 48 28.47 (0.02) | 40 48 27.06 | 40 48 28.43 (0.04) | 40 48 27.17 (0.02) | 40 48 27.08 | 40 48 24.48 | 40 48 27.05 | ||
| Spectral type | dMe | DA+M | DA dM | DA+M | |||||
| Effective temperature | [K] | 34521.0 (307) | 33158.0 (371) | ||||||
| log(g) | [cgs] | 5.82 (0.05) | 5.74 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 13.70 (0.03) | 13.67 (0.05) | 13.70 (0.03) | |||||
| Distance | [pc] | 72.98 (0.1) | 73.13 (0.2) | 72.98 (0.1) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -54.75397616 (0.02) | -54.82 (0.06) | -54.754 (0.03) | -37.9 | ||||
| Proper motion (declination) | [mas/yr] | 81.35231353 (0.03) | 81.227 (0.09) | 81.352 (0.03) | 72.2 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | 16.47 (0.06) | ||||||||
| V magnitude | 15.45 (0.07) | ||||||||
| R magnitude | 15.29 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 11.94 (0.02) | ||||||||
| H magnitude | 11.37 (0.02) | ||||||||
| K magnitude | 11.14 (0.02) | ||||||||
| u magnitude | 17.15 (0.008) | 20.73 (0.08) | 17.13 (0.04) | 17.13 | 17.17 (0.04) | ||||
| g magnitude | 16.84 (0.004) | 17.50 (0.005) | 16.47 (0.04) | 16.47 | 16.48 (0.04) | ||||
| r magnitude | 17.98 (0.008) | 15.16 (0.004) | 17.15 (0.4) | 17.15 | 17.15 (0.4) | ||||
| i magnitude | 24.36 (4) | 14.02 (0.004) | 16.69 (0.7) | 16.69 | 16.70 (0.7) | ||||
| z magnitude | 22.83 (3) | 13.52 (0.004) | 15.38 (0.3) | 15.38 | 15.40 (0.3) | ||||
| G magnitude | 14.66 (0.01) | 14.67 | 14.66 (0.003) | ||||||
| BP magnitude | 15.72 (0.01) | 15.74 | |||||||
| RP magnitude | 13.47 (0.002) | 13.49 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.010 | ||||||||
* 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.