All names: GJ 86, GJ86B, Gaia DR3 4937000898856154624, WD 0208-510, Gaia DR2 4937000898854436608, CNS5 544, WDS J02104-5049B, ** ESG 1B, HD 13445B, GJ 86 B
| Parameter | Unit | Stilism | Holberg et al. 2016 | Farihi et al. 2013 | Giammichele et al. 2012 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 10 26.11 (0.1) | 02 10 25.66 | |||||
| Declination | -50 49 26.33 (0.2) | -50 49 17.40 | |||||
| Spectral type | DA | DQ6.2 | DA | DQ6 | DA10+K1V | ||
| Effective temperature | [K] | 8184.0 (120) | 8180.0 (120) | ||||
| log(g) | [cgs] | 7.81 (0.02) | 8.02 (0.02) | ||||
| Mass | [M☉] | 0.5 (0.01) | 0.59 (0.01) | ||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | 0.8600 | |||||
| log(H/He) | <-4.3 | ||||||
| log(C/He) | -4.8 (0.2) | ||||||
| log(Ca/He) | <-11.8 | ||||||
| log(Ca/H) | |||||||
| log(C/H) | |||||||
| log(N/H) | |||||||
| log(O/H) | |||||||
| log(Na/H) | |||||||
| log(Mg/H) | |||||||
| log(Al/H) | |||||||
| log(Si/H) | |||||||
| log(P/H) | |||||||
| log(S/H) | |||||||
| log(Sc/H) | |||||||
| log(Ti/H) | |||||||
| log(Cr/H) | |||||||
| log(Mn/H) | |||||||
| log(Fe/H) | |||||||
| log(Ni/H) | |||||||
| Parallax | [mas] | 92.74 (0.6) | 91.63 (0.6) | 92.62 (0.2) | 92.50 | ||
| Distance | [pc] | 10.78 (0.04) | 10.80 | 10.91 (0.07) | 10.80 (0.02) | 10.81 | |
| Composition | H | He | H | ||||
| Proper motion (right ascension) | [mas/yr] | 2168.886 (0.1) | |||||
| Proper motion (declination) | [mas/yr] | 710.848 (0.2) | |||||
| Variability | VAR | ||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | WDMS | WDMS | yes | |||
| B magnitude | |||||||
| V magnitude | 14.00 | 13.20 | |||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 13.09 (0.006) | ||||||
| BP magnitude | |||||||
| RP magnitude | |||||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.000 | ||||||
* 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.