All names: G234-052, NLTT 20647, G 234-52, 2MASS J08594193+6016370, WD 0855+604.1, LSPM J0859+6016E, WDS J08598+6018B, LHS 2087, Gaia DR3 1038076385510802944, Gaia DR2 1038076385510802944, USNO-B1.0 1502-00184893, LP 90-71, Gaia EDR3 1038076385510802944, ** LDS 1222B, WISEA J085941.55+601632.2, SBSS 0855+604B, TIC 417775961
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 08 59 41.35 (0.01) | 08 59 41.37 (0.04) | 08 59 41.94 (0.01) | 08 59 43.63 | ||
| Declination | 60 16 29.72 (0.01) | 60 16 29.95 (0.04) | 60 16 37.04 (0.01) | 60 16 54.48 | ||
| Spectral type | DCe+M2V | DBQ | ||||
| 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] | 24.06 (0.02) | 23.92 (0.05) | 24.06 (0.02) | ||
| Distance | [pc] | 41.57 (0.03) | 41.80 (0.1) | 41.57 (0.03) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -275.1635478 (0.01) | -275.301 (0.07) | -275.164 (0.01) | ||
| Proper motion (declination) | [mas/yr] | -457.3702537 (0.02) | -457.312 (0.07) | -457.37 (0.02) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 16.60 | |||||
| V magnitude | ||||||
| R magnitude | 14.80 | |||||
| I magnitude | ||||||
| J magnitude | 11.40 (0.02) | |||||
| H magnitude | 10.84 (0.03) | |||||
| K magnitude | 10.58 (0.03) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 14.32 (0.002) | 14.34 | 14.32 (0.003) | |||
| BP magnitude | 15.93 (0.002) | 15.95 | ||||
| RP magnitude | 13.09 (0.0008) | 13.11 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.001 | |||||
* 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.