All names: [VZA2004] 228, Gaia DR2 3682722147497328640, SDSS J125241.68-015409.0, Gaia EDR3 3682722147497328640, [DCD2013] CSS J125241.6-015408, SDSS J125241.68-015409.01, V* V425 Vir, Gaia DR3 3682722147497328640, [ZHV2014] 770, SDSS J125241.67-015408.9
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 12 52 41.68 (0.2) | 12 52 41.68 | 12 52 41.68 (0.3) | 12 52 41.68 (0.2) | ||
| Declination | -01 54 09.00 (0.1) | -01 54 08.99 | -01 54 09.00 (0.2) | -01 54 08.99 (0.1) | ||
| Spectral type | sdA | sdA | ||||
| Effective temperature | [K] | 7882.0 (27) | ||||
| log(g) | [cgs] | 5.68 (0.09) | ||||
| Mass | [M☉] | 0.15087 (0.0003) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | -0.14 (0.2) | -0.11 (0.3) | |||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -1.108807207 (0.3) | -1.383833732 (0.7) | -1.109 (0.3) | ||
| Proper motion (declination) | [mas/yr] | -0.523641411 (0.2) | -0.306090052 (0.4) | -0.524 (0.2) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | 19.10 (0.05) | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 20.04 (0.04) | 20.03 (0.04) | 20.03 (0.04) | |||
| g magnitude | 18.76 (0.008) | 18.77 (0.02) | 18.75 (0.008) | |||
| r magnitude | 18.74 (0.01) | 18.73 (0.01) | 18.73 (0.01) | |||
| i magnitude | 18.77 (0.01) | 18.77 (0.02) | 18.76 (0.01) | |||
| z magnitude | 18.79 (0.04) | 18.77 (0.05) | 18.77 (0.04) | |||
| G magnitude | 19.06 (0.05) | 19.08 | 19.06 (0.01) | |||
| BP magnitude | 19.25 (0.05) | 19.21 | ||||
| RP magnitude | 18.74 (0.04) | 18.64 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| 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.