All names: SDSS J031156.69+385955.1, Gaia DR2 238701328690558208, SDSS J031156.68+385955.0, WDJ031156.68+385955.00, Gaia EDR3 238701332988102912, ZTF J031156.69+385955.1, Gaia DR3 238701332988102912
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 03 11 56.70 (0.5) | 03 11 56.70 | 03 11 56.70 (0.5) | 03 11 56.70 | |||
| Declination | 38 59 54.99 (0.4) | 38 59 54.99 | 38 59 55.07 (0.4) | 38 59 54.99 | |||
| Spectral type | CND | ||||||
| Effective temperature | [K] | ||||||
| log(g) | [cgs] | ||||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 1.97 (0.6) | 14.60 (0.5) | 1.97 (0.6) | 14.60 (0.5) | ||
| Distance | [pc] | 507.59 (150) | 68.47 (2) | 507.59 (150) | 68.47 (2) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -2.204634478 (0.6) | 9.547019613 (0.9) | -2.205 (0.6) | 9.547019613 | ||
| Proper motion (declination) | [mas/yr] | -4.822918662 (0.5) | -0.842967097 (0.5) | -4.823 (0.5) | -0.842967097 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 20.02 (0.04) | 20.02 (0.04) | |||||
| g magnitude | 18.48 (0.007) | 18.48 (0.007) | |||||
| r magnitude | 17.72 (0.006) | 17.72 (0.006) | |||||
| i magnitude | 17.47 (0.007) | 17.47 (0.007) | |||||
| z magnitude | 17.32 (0.01) | 17.32 (0.01) | |||||
| G magnitude | 18.13 (0.02) | 17.98 | 18.13 (0.02) | 17.98 | |||
| BP magnitude | 18.40 (0.02) | 18.44 | 18.44 | ||||
| RP magnitude | 17.22 (0.02) | 17.23 | 17.23 | ||||
| Pan g magnitude | 18.62 (0.04) | ||||||
| Pan r magnitude | 17.82 (0.01) | ||||||
| Pan i magnitude | 17.54 (0.02) | ||||||
| Pan z magnitude | 17.53 (0.02) | ||||||
| Pan y magnitude | 17.41 (0.03) | ||||||
| E(B-V) | 0.138 | ||||||
* 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.