All names: SDSS J102147.62+614643.8, GALEX J102147.6+614643, WD 1018+620, Gaia DR2 1051772555180939392, Gaia DR3 1051772555180939392, SDSS J102147.63+614643.9, TIC 287270686, Gaia EDR3 1051772555180939392, [HHD2009] SDSS J1021+6146, 2MASS J10214764+6146437, SDSS J102147.63+614643.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 21 47.65 (0.05) | 10 21 47.63 | 10 21 47.65 (0.06) | 10 21 47.63 (0.05) | 10 21 47.59 | |||
| Declination | 61 46 43.69 (0.06) | 61 46 43.69 | 61 46 43.69 (0.09) | 61 46 43.70 (0.06) | 61 46 39.72 | |||
| Spectral type | DA+K | DAB: dM: | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.97 (0.08) | 1.06 (0.1) | 0.97 (0.08) | ||||
| Distance | [pc] | 1026.36 (83) | 947.59 (103) | 1026.38 (83) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 8.176826795 (0.06) | 8.142087111 (0.1) | 8.177 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -0.921862336 (0.07) | -1.101161721 (0.2) | -0.922 (0.07) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.71 (0.07) | |||||||
| H magnitude | 15.01 (0.08) | |||||||
| K magnitude | 14.72 (0.1) | |||||||
| u magnitude | 18.55 (0.02) | 18.56 (0.02) | 18.56 | |||||
| g magnitude | 18.37 (0.007) | 18.38 (0.01) | 18.37 | |||||
| r magnitude | 17.72 (0.006) | 17.72 (0.009) | 17.75 | |||||
| i magnitude | 17.25 (0.006) | 17.25 (0.009) | 17.23 | |||||
| z magnitude | 16.93 (0.01) | 16.93 (0.01) | 16.93 | |||||
| G magnitude | 17.61 (0.01) | 17.64 | 17.61 (0.003) | |||||
| BP magnitude | 18.15 (0.01) | 18.14 | ||||||
| RP magnitude | 16.89 (0.006) | 16.90 | ||||||
| Pan g magnitude | 18.31 (0.007) | |||||||
| Pan r magnitude | 17.69 (0.003) | |||||||
| Pan i magnitude | 17.26 (0.002) | |||||||
| Pan z magnitude | 17.03 (0.004) | |||||||
| Pan y magnitude | 16.91 (0.006) | |||||||
| E(B-V) | 0.023 | |||||||
* 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.