All names: WDJ084601.17+694437.40, Gaia EDR3 1118460924703171584, LP 35-287, LP035-287, ** LDS 1681A, Gaia DR3 1118460924703171584, NLTT 20128, G 252-21A, WDS J08460+6945A, Gaia DR2 1118460924703171584, LSPM J0846+6944N, WD 0841+699.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 46 00.48 (0.05) | 08 46 00.50 (0.06) | 08 46 00.48 | 08 46 01.17 (0.05) | 08 46 00.50 | 08 45 57.31 | |||||
| Declination | 69 44 32.41 (0.06) | 69 44 32.57 (0.09) | 69 44 32.41 | 69 44 37.40 (0.06) | 69 44 32.57 | 69 45 04.32 | |||||
| Spectral type | DA: | DC/DZ | DC | ||||||||
| Effective temperature | [K] | 5783.0 | 5530.0 | 5844.0 (38) | |||||||
| log(g) | [cgs] | 8.04 | 7.87 | 8.07 (0.01) | |||||||
| Mass | [M☉] | 0.608 | 0.496 | 0.628 (0.01) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 2.7190 | 2.8640 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 21.75 (0.08) | 21.60 (0.1) | 21.75 | 21.75 (0.08) | 21.60 (0.1) | |||||
| Distance | [pc] | 45.98 (0.2) | 46.29 (0.2) | 45.98 | 45.98 (0.2) | 46.29 (0.2) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -224.892092 (0.06) | -224.948 (0.1) | -224.892 (0.06) | -224.9479972 | ||||||
| Proper motion (declination) | [mas/yr] | -312.0120769 (0.08) | -311.652 (0.2) | -312.012 (0.08) | -311.6523847 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | yes | ||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 17.55 (0.008) | 17.56 | 17.55 | 17.55 (0.003) | 17.56 | ||||||
| BP magnitude | 17.88 (0.008) | 17.91 | 17.91 | ||||||||
| RP magnitude | 17.05 (0.007) | 17.05 | 17.05 | ||||||||
| Pan g magnitude | 17.93 (0.007) | ||||||||||
| Pan r magnitude | 17.52 (0.003) | ||||||||||
| Pan i magnitude | 17.41 (0.006) | ||||||||||
| Pan z magnitude | 17.37 (0.007) | ||||||||||
| Pan y magnitude | 17.37 (0.03) | ||||||||||
| 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.