All names: TIC 86384276, WD 0940+619, SDSS J094402.16+614308.0, SDSS J094402.19+614307.9, SDSS J094402.17+614308.3, SDSS J094402.18+614307.9, Gaia DR2 1063030244283478656, Gaia EDR3 1063030244283478656, Gaia DR3 1063030244283478656, 2MASS J09440217+6143078, WIRED J094402.18+614307.9, GALEX J094402.2+614308, SDSS J094402.19+614308.0
| 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 | 09 44 02.21 (0.09) | 09 44 02.18 | 09 44 02.21 (0.1) | 09 44 02.18 | 09 44 02.18 (0.09) | 09 44 02.19 | 09 44 02.33 | 09 44 02.19 | |||
| Declination | 61 43 07.89 (0.1) | 61 43 07.95 | 61 43 07.89 (0.2) | 61 43 07.90 | 61 43 07.87 (0.1) | 61 43 07.96 | 61 43 01.92 | 61 43 07.96 | |||
| Spectral type | DA+M | DA+dM | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 29218.0 (690) | 6300.0 (1) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.80 (0.2) | 7.93 (0.2) | 5.00 (0.003) | |||||||
| Mass | [M☉] | 0.555 (0.08) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 0.91 (0.2) | 0.00 (0.3) | 0.91 (0.2) | |||||||
| Distance | [pc] | 1098.65 (239) | 588235.29 (108442907) | 1098.66 (239) | |||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.58950984 (0.1) | 9.426 (0.3) | 11.59 (0.1) | 14.9 | ||||||
| Proper motion (declination) | [mas/yr] | 1.181072064 (0.2) | 0.656 (0.4) | 1.181 (0.2) | -6.1 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | yes | WDMS | |||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.75 (0.07) | ||||||||||
| H magnitude | 15.10 (0.07) | ||||||||||
| K magnitude | 14.95 (0.1) | ||||||||||
| u magnitude | 19.15 (0.02) | 19.14 | 19.14 (0.03) | 19.14 (0.03) | 19.12 | 19.17 (0.03) | |||||
| g magnitude | 18.69 (0.008) | 18.73 | 18.69 (0.008) | 18.73 (0.02) | 18.73 | 18.75 (0.02) | |||||
| r magnitude | 17.89 (0.007) | 17.91 | 17.89 (0.007) | 17.91 (0.01) | 17.91 | 17.92 (0.01) | |||||
| i magnitude | 17.27 (0.006) | 17.27 | 17.27 (0.006) | 17.27 (0.01) | 17.28 | 17.29 (0.01) | |||||
| z magnitude | 16.90 (0.01) | 16.89 | 16.88 (0.01) | 16.89 (0.02) | 16.90 | 16.90 (0.02) | |||||
| G magnitude | 17.95 (0.01) | 17.90 | 17.95 (0.003) | ||||||||
| BP magnitude | 18.46 (0.01) | 18.48 | |||||||||
| RP magnitude | 16.90 (0.006) | 16.91 | |||||||||
| Pan g magnitude | 18.63 (0.007) | ||||||||||
| Pan r magnitude | 17.93 (0.009) | ||||||||||
| Pan i magnitude | 17.29 (0.003) | ||||||||||
| Pan z magnitude | 16.99 (0.005) | ||||||||||
| Pan y magnitude | 16.81 (0.006) | ||||||||||
| E(B-V) | 0.028 | ||||||||||
* 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.