All names: 2MASS J07432963+2835280, SDSS J074329.61+283527.9, WD 0740+287, SDSS J074329.52+283528.0, TIC 95286686, SDSS J074329.62+283528.1, Gaia DR2 878423650729472512, SDSS J074329.62+283528.0, Gaia EDR3 878423655025974656, Gaia DR3 878423655025974656
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 43 29.62 (0.3) | 07 43 29.62 | 07 43 29.62 (0.7) | 07 43 29.62 (0.3) | 07 43 29.69 | 07 43 29.62 | |||
| Declination | 28 35 27.99 (0.3) | 28 35 28.04 | 28 35 28.00 (0.5) | 28 35 28.03 (0.3) | 28 35 24.72 | 28 35 28.05 | |||
| Spectral type | DA+dMe | DA dM | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | |||||||
| log(g) | [cgs] | 10.00 (0.003) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.52 (0.4) | 0.52 (0.4) | ||||||
| Distance | [pc] | 1934.12 (1446) | 1934.24 (1447) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.172032734 (0.4) | -1.172 (0.4) | ||||||
| Proper motion (declination) | [mas/yr] | -1.973300987 (0.3) | -1.973 (0.3) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.73 (0.1) | ||||||||
| H magnitude | 16.47 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | 20.69 (0.08) | 20.64 (0.07) | 20.65 | 20.64 (0.07) | |||||
| g magnitude | 20.24 (0.02) | 20.28 (0.02) | 20.28 | 20.28 (0.02) | |||||
| r magnitude | 19.83 (0.02) | 19.87 (0.02) | 19.86 | 19.86 (0.02) | |||||
| i magnitude | 18.92 (0.01) | 18.95 (0.01) | 18.95 | 18.96 (0.02) | |||||
| z magnitude | 18.29 (0.03) | 18.32 (0.02) | 18.31 | 18.31 (0.02) | |||||
| G magnitude | 19.45 (0.09) | 19.52 | 19.45 (0.008) | ||||||
| BP magnitude | 20.17 (0.09) | 20.47 | |||||||
| RP magnitude | 18.44 (0.03) | 18.43 | |||||||
| Pan g magnitude | 20.22 (0.02) | ||||||||
| Pan r magnitude | 19.89 (0.008) | ||||||||
| Pan i magnitude | 18.96 (0.009) | ||||||||
| Pan z magnitude | 18.40 (0.01) | ||||||||
| Pan y magnitude | 18.15 (0.01) | ||||||||
| E(B-V) | 0.036 | ||||||||
* 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.