All names: LHS 1986, Gaia DR3 669407147420657536, Gaia DR2 669407147420657536, SDSS J081000.29+185146.2, LP 424-15, GSC2.3 N914007473, Gaia EDR3 669407147420657536, WD 0807+190, NLTT 19032, TIC 386881942, USNO-B1.0 1088-00160125, 2MASS J08100028+1851464
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 08 10 00.33 (0.2) | 08 10 00.33 (0.2) | 08 10 00.29 (0.2) | 08 10 01.18 | |||
| Declination | 18 51 45.74 (0.1) | 18 51 45.76 (0.1) | 18 51 46.40 (0.1) | 18 52 48.72 | |||
| Spectral type | DC | DC: | |||||
| 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] | 5.36 (0.2) | 5.18 (0.3) | 5.36 (0.2) | |||
| Distance | [pc] | 186.41 (7) | 192.95 (9) | 186.40 (7) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 35.4803271 (0.2) | 34.92053806 (0.4) | 35.48 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -41.6946263 (0.1) | -41.50356096 (0.3) | -41.695 (0.1) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.80 | ||||||
| V magnitude | |||||||
| R magnitude | 18.70 | ||||||
| I magnitude | |||||||
| J magnitude | 15.25 (0.04) | ||||||
| H magnitude | 14.69 (0.07) | ||||||
| K magnitude | 14.35 (0.06) | ||||||
| u magnitude | 25.82 (0.8) | ||||||
| g magnitude | 20.71 (0.03) | ||||||
| r magnitude | 19.15 (0.01) | ||||||
| i magnitude | 17.57 (0.006) | ||||||
| z magnitude | 16.67 (0.009) | ||||||
| G magnitude | 18.29 (0.06) | 18.33 | 18.29 (0.003) | ||||
| BP magnitude | 20.02 (0.06) | 19.89 | |||||
| RP magnitude | 17.03 (0.01) | 17.03 | |||||
| Pan g magnitude | 20.37 (0.02) | ||||||
| Pan r magnitude | 19.11 (0.009) | ||||||
| Pan i magnitude | 17.55 (0.004) | ||||||
| Pan z magnitude | 16.84 (0.003) | ||||||
| Pan y magnitude | 16.49 (0.01) | ||||||
| E(B-V) | 0.008 | ||||||
* 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.