All names: [VV2010c] J082412.3+175155, Gaia DR2 662321306079369856, WISE J082412.27+175156.2, WIRED J082412.27+175155.8, SDSS J082412.27+175155.8, Gaia EDR3 662321306079369856, WISEA J082412.27+175156.1, Gaia DR3 662321306079369856, SDSS J082412.27+175155.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 24 12.27 (1) | 08 24 12.27 | 08 24 12.27 (1) | 08 24 12.27 (1) | 08 24 12.27 | ||
| Declination | 17 51 55.79 (0.6) | 17 51 55.80 | 17 51 55.79 (0.7) | 17 51 55.77 (0.6) | 17 51 55.82 | ||
| Spectral type | DA | ||||||
| Effective temperature | [K] | 7441.0 (199) | |||||
| log(g) | [cgs] | 8.42 (1) | |||||
| Mass | [M☉] | 0.851 (0.4) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.62 (1) | -1.83 (1) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 0.822795388 (2) | -2.240251443 (2) | 0.823 (2) | |||
| Proper motion (declination) | [mas/yr] | 1.279429806 (1) | 1.224321836 (1) | 1.279 (1) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 20.90 | ||||||
| V magnitude | 20.73 | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.92 (0.06) | 20.92 (0.06) | 20.92 (0.06) | ||||
| g magnitude | 20.47 (0.02) | 20.50 (0.02) | 20.50 (0.02) | ||||
| r magnitude | 20.42 (0.03) | 20.46 (0.03) | 20.48 (0.03) | ||||
| i magnitude | 20.26 (0.03) | 20.31 (0.03) | 20.31 (0.03) | ||||
| z magnitude | 20.04 (0.1) | 20.14 (0.1) | 20.14 (0.1) | ||||
| G magnitude | 20.48 (0.09) | 20.49 | 20.48 (0.01) | ||||
| BP magnitude | 20.54 (0.09) | 20.36 | |||||
| RP magnitude | 19.87 (0.1) | 19.65 | |||||
| Pan g magnitude | 20.81 (0.04) | ||||||
| Pan r magnitude | 20.61 (0.03) | ||||||
| Pan i magnitude | 20.33 (0.04) | ||||||
| Pan z magnitude | 20.15 (0.03) | ||||||
| Pan y magnitude | 20.03 (0.2) | ||||||
| E(B-V) | |||||||
* 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.