All names: WD 1021+166, 2MASS J10243847+1624582, AP J10243847+1624582, SDSS J102438.46+162458.2, SDSS J102438.46+162458.3, Gaia DR3 3890090521531638528, Gaia DR2 3890090521531638528, Gaia EDR3 3890090521531638528, TIC 70681934, SDSS J102438.45+162458.2, [SGR2010] J1024+1624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 24 38.45 (0.1) | 10 24 38.46 | 10 24 38.45 (0.2) | 10 24 38.46 (0.1) | 10 24 37.87 | 10 24 38.46 | |||
| Declination | 16 24 58.33 (0.1) | 16 24 58.28 | 16 24 58.33 (0.2) | 16 24 58.32 (0.1) | 16 24 51.84 | 16 24 58.29 | |||
| Spectral type | DA+M3 | DA3.3+M3 | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | |||||||
| log(g) | [cgs] | 5.00 (0.003) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 2.75 (0.1) | 2.82 (0.3) | 2.75 (0.1) | |||||
| Distance | [pc] | 363.38 (20) | 354.03 (31) | 363.39 (20) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -14.15703738 (0.1) | -14.02291526 (0.3) | -14.157 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | 0.899738149 (0.1) | 1.051139831 (0.3) | 0.9 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | WDMS | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.07 (0.04) | ||||||||
| H magnitude | 14.45 (0.05) | ||||||||
| K magnitude | 14.30 (0.06) | ||||||||
| u magnitude | 19.76 (0.03) | 19.75 (0.03) | 19.90 | 19.89 (0.05) | |||||
| g magnitude | 19.00 (0.01) | 19.02 (0.01) | 19.02 | 19.04 (0.02) | |||||
| r magnitude | 18.40 (0.008) | 18.39 (0.008) | 18.33 | 18.34 (0.02) | |||||
| i magnitude | 17.25 (0.006) | 17.22 (0.006) | 17.22 | 17.23 (0.02) | |||||
| z magnitude | 16.49 (0.008) | 16.49 (0.008) | 16.52 | 16.52 (0.02) | |||||
| G magnitude | 17.79 (0.03) | 17.82 | 17.79 (0.003) | ||||||
| BP magnitude | 18.78 (0.03) | 18.81 | |||||||
| RP magnitude | 16.74 (0.007) | 16.74 | |||||||
| Pan g magnitude | 18.92 (0.009) | ||||||||
| Pan r magnitude | 18.31 (0.003) | ||||||||
| Pan i magnitude | 17.22 (0.008) | ||||||||
| Pan z magnitude | 16.62 (0.004) | ||||||||
| Pan y magnitude | 16.32 (0.005) | ||||||||
| E(B-V) | 0.024 | ||||||||
* 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.