All names: SDSS J074320.15+651534.9, GALEX 2682678655228840905, Gaia DR3 1095519816451984512, USNO-A2.0 1500-04901213, Gaia EDR3 1095519816451984512, SDSS J074320.16+651534.9, Gaia DR2 1095519816451984512
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 43 20.18 (0.2) | 07 43 20.16 | 07 43 20.18 (0.3) | 07 43 20.16 (0.3) | 07 43 20.16 | |||
| Declination | 65 15 34.83 (0.3) | 65 15 34.93 | 65 15 34.84 (0.5) | 65 15 34.96 (0.5) | 65 15 34.93 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 13487.0 (365) | ||||||
| log(g) | [cgs] | 8.13 (0.09) | ||||||
| Mass | [M☉] | 0.681 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.67 (0.5) | 2.23 (0.8) | 2.23 (0.8) | ||||
| Distance | [pc] | 374.29 (72) | 449.23 (161) | 449.24 (161) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 6.597754085 (0.3) | 6.92875769 (0.6) | 6.929 (0.6) | ||||
| Proper motion (declination) | [mas/yr] | -7.393799295 (0.4) | -8.211623647 (0.9) | -8.212 (0.9) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 19.40 (0.3) | |||||||
| V magnitude | ||||||||
| R magnitude | 19.40 (0.3) | |||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.27 (0.04) | 20.27 (0.04) | 20.30 (0.04) | |||||
| g magnitude | 19.88 (0.01) | 19.88 (0.01) | 19.87 (0.02) | |||||
| r magnitude | 20.11 (0.02) | 20.11 (0.02) | 20.07 (0.02) | |||||
| i magnitude | 21.80 (0.1) | 21.80 (0.1) | 20.26 (0.04) | |||||
| z magnitude | 21.02 (0.2) | 21.02 (0.2) | 20.55 (1) | |||||
| G magnitude | 19.94 (0.04) | 20.00 | 20.00 (0.006) | |||||
| BP magnitude | 19.96 (0.04) | 20.00 | ||||||
| RP magnitude | 20.07 (0.06) | 20.10 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.038 | |||||||
* 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.