All names: Gaia DR3 846962225011779712, SDSS J101614.70+490930.3, Gaia DR2 846962225011779712, [HHD2009] SDSS J1016+4909, GALEX J101614.7+490930, SDSS J101614.70+490930.4, WD 1013+494, Gaia EDR3 846962225011779712, LAMOST J101614.70+490930.3, SDSS J101614.69+490930.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 16 14.69 (0.1) | 10 16 14.70 | 10 16 14.69 (0.2) | 10 16 14.69 | 10 16 14.71 (0.1) | 10 16 14.70 | 10 16 14.18 | 10 16 14.70 | |||
| Declination | 49 09 30.45 (0.2) | 49 09 30.32 | 49 09 30.45 (0.2) | 49 09 30.31 | 49 09 30.40 (0.2) | 49 09 30.38 | 49 09 25.92 | 49 09 30.38 | |||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 14900.0 (1698) | 6514.0 (88) | 6531.0 (97) | |||||||
| log(g) | [cgs] | 8.23 (0.3) | 5.05 (0.07) | 7.45 (0.2) | |||||||
| Mass | [M☉] | 0.76 (0.1) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.79 (0.3) | 2.06 (0.3) | 1.79 (0.3) | |||||||
| Distance | [pc] | 557.70 (79) | 486.60 (79) | 369.00 (45) | 557.69 (79) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -15.18423051 (0.2) | -15.86068985 (0.4) | -15.184 (0.2) | -4.4 | ||||||
| Proper motion (declination) | [mas/yr] | 3.166369231 (0.2) | 3.363574352 (0.5) | 3.166 (0.2) | 3.3 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.90 (0.04) | 19.89 | 19.90 (0.04) | 19.89 (0.04) | 19.89 | 19.91 (0.04) | |||||
| g magnitude | 19.55 (0.01) | 19.57 | 19.55 (0.01) | 19.57 (0.02) | 19.57 | 19.56 (0.02) | |||||
| r magnitude | 19.59 (0.01) | 19.58 | 19.58 (0.01) | 19.58 (0.01) | 19.58 | 19.58 (0.02) | |||||
| i magnitude | 19.04 (0.01) | 19.04 | 19.04 (0.01) | 19.04 (0.02) | 19.04 | 19.04 (0.02) | |||||
| z magnitude | 18.45 (0.03) | 18.45 | 18.46 (0.03) | 18.45 (0.03) | 18.45 | 18.45 (0.03) | |||||
| G magnitude | 19.26 (0.03) | 19.28 | 19.26 (0.003) | ||||||||
| BP magnitude | 19.64 (0.03) | 19.62 | |||||||||
| RP magnitude | 18.62 (0.03) | 18.54 | |||||||||
| Pan g magnitude | 19.56 (0.02) | ||||||||||
| Pan r magnitude | 19.56 (0.01) | ||||||||||
| Pan i magnitude | 19.05 (0.007) | ||||||||||
| Pan z magnitude | 18.59 (0.008) | ||||||||||
| Pan y magnitude | 18.35 (0.03) | ||||||||||
| E(B-V) | 0.020 | ||||||||||
* 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.