All names: WISEA J103024.61+464110.4, Gaia EDR3 833413188038070272, SDSS J103024.65+464109.5, SDSS J103024.66+464109.4, WD 1027+469, SDSS J103024.63+464110.0, WISE J103024.63+464110.5, WDS J10304+4641AB, 2MASS J10302465+4641103, WIRED J103024.66+464109.5, [HHD2009] SDSS J1030+4641, Gaia DR2 833413188038070272, ** SKF 1730, TIC 115857006, SDSS J103024.66+464109.6, SDSS J103024.66+464109.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 30 24.62 (0.2) | 10 30 24.64 | 10 30 24.62 (0.3) | 10 30 24.66 (370) | 10 30 24.65 | 10 30 24.31 | 10 30 24.66 | |||
| Declination | 46 41 10.49 (0.2) | 46 41 10.01 | 46 41 10.49 (0.5) | 46 41 10.33 (160) | 46 41 09.54 | 46 41 06.00 | 46 41 09.57 | |||
| Spectral type | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 20758.0 (539) | 21575.0 (674) | |||||||
| log(g) | [cgs] | 5.01 (0.01) | 5.01 (0.01) | |||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 5.43 (0.3) | 4.85 (0.5) | |||||||
| Distance | [pc] | 184.20 (11) | 206.28 (22) | |||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.611019169 (0.2) | -12.94749323 (0.5) | -3.3 | ||||||
| Proper motion (declination) | [mas/yr] | 12.57573909 (0.3) | 11.02989675 (0.8) | 7.5 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 15.38 (0.05) | |||||||||
| H magnitude | 14.83 (0.07) | |||||||||
| K magnitude | 14.45 (0.09) | |||||||||
| u magnitude | 19.45 (0.03) | 19.46 (0.04) | 19.66 (0.05) | 19.67 | 19.66 (0.05) | |||||
| g magnitude | 18.88 (0.009) | 18.88 (0.009) | 19.11 (0.02) | 19.11 | 19.11 (0.02) | |||||
| r magnitude | 18.29 (0.008) | 18.29 (0.008) | 19.93 (0.2) | 19.93 | 19.92 (0.2) | |||||
| i magnitude | 17.32 (0.006) | 17.31 (0.006) | 18.86 (0.2) | 18.86 | 18.85 (0.2) | |||||
| z magnitude | 16.67 (0.01) | 16.67 (0.01) | 19.17 (0.6) | 19.17 | 19.15 (0.6) | |||||
| G magnitude | 18.28 (0.05) | 18.26 | ||||||||
| BP magnitude | 18.96 (0.05) | 18.86 | ||||||||
| RP magnitude | 16.93 (0.008) | 16.96 | ||||||||
| Pan g magnitude | 18.96 (0.01) | |||||||||
| Pan r magnitude | 18.53 (0.02) | |||||||||
| Pan i magnitude | 17.44 (0.006) | |||||||||
| Pan z magnitude | 16.87 (0.007) | |||||||||
| Pan y magnitude | 16.58 (0.01) | |||||||||
| 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.