All names: SDSS J074441.81+210352.60, Gaia DR3 672985400637784832, LAMOST J074441.80+210352.5, 2MASS J07444182+2103526, Gaia EDR3 672985400637784832, SDSS J074441.80+210352.5, SDSS J074441.80+210352.6, Gaia DR2 672985400637784832, TIC 62743942, SDSSJ074441.80+210352.6, GALEX J074441.8+210353, SDSS J074441.81+210352.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 44 41.80 (0.1) | 07 44 41.80 | 07 44 41.80 | 07 44 41.80 (0.2) | 07 44 41.80 (0.1) | ||||
| Declination | 21 03 52.58 (0.09) | 21 03 52.60 | 21 03 52.60 | 21 03 52.58 (0.1) | 21 03 52.61 (0.09) | ||||
| Spectral type | sd | CSPN | DA | ||||||
| Effective temperature | [K] | 115000.0 (5000) | |||||||
| log(g) | [cgs] | 6.00 (0.5) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.72 (0.1) | 0.11 (0.2) | 0.11 (0.2) | 0.72 (0.1) | ||||
| Distance | [pc] | 1390.61 (266) | 9090.91 (14479) | 9094.66 (14489) | 1390.63 (266) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 4.90816858 (0.1) | 5.067 (0.3) | 5.067244265 (0.3) | 4.908 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -1.855105105 (0.1) | -2.483 (0.3) | -2.482909788 (0.3) | -1.855 (0.1) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.63 (0.1) | 16.63 (0.1) | |||||||
| H magnitude | 16.56 (0.2) | 16.56 (0.2) | |||||||
| K magnitude | 15.77 | ||||||||
| u magnitude | 16.31 (0.006) | 16.31 (0.006) | 16.32 (0.01) | 16.32 (0.006) | |||||
| g magnitude | 16.64 (0.004) | 16.64 (0.004) | 16.66 (0.01) | 16.66 (0.004) | |||||
| r magnitude | 16.94 (0.005) | 16.94 (0.005) | 16.94 (0.01) | 16.95 (0.005) | |||||
| i magnitude | 17.15 (0.005) | 17.15 (0.005) | 17.15 (0.01) | 17.15 (0.005) | |||||
| z magnitude | 17.29 (0.01) | 17.29 (0.01) | 17.29 (0.02) | 17.29 (0.01) | |||||
| G magnitude | 16.81 (0.006) | 16.82 (0.002) | 16.82 | 16.81 (0.003) | |||||
| BP magnitude | 16.73 (0.006) | 16.63 (0.01) | 16.63 | ||||||
| RP magnitude | 16.84 (0.006) | 16.82 (0.009) | 16.82 | ||||||
| Pan g magnitude | 16.72 (0.004) | 16.72 (0.004) | |||||||
| Pan r magnitude | 16.97 (0.001) | 16.97 (0.001) | |||||||
| Pan i magnitude | 17.18 (0.005) | 17.18 (0.005) | |||||||
| Pan z magnitude | 17.31 (0.007) | 17.31 (0.007) | |||||||
| Pan y magnitude | 17.39 (0.01) | 17.39 (0.01) | |||||||
| E(B-V) | 0.045 | ||||||||
* 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.