All names: LHS 2015, Gaia DR2 679636484296738304, 08293+2539, TIC 3663470, LP 367-160, LSPM J0829+2539, NLTT 19620, USNO-B1.0 1156-00155622, WD 0826+258, Gaia EDR3 679636483912579200, 2MASS J08292281+2539409, J0829+2539, PM J08293+2539
| Parameter | Unit | Gaia EDR3 | Caron et al. 2023 | Gaia DR2 | Stilism | Limoges et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 29 23.16 (23) | 08 29 23.17 (0.8) | 08 29 22.88 (0.8) | 08 29 22.49 | ||||
| Declination | 25 39 31.97 (16) | 25 39 31.93 (0.5) | 25 39 39.56 (0.5) | 25 39 33.48 | ||||
| Spectral type | DC | DC | DC | DC | ||||
| Effective temperature | [K] | 4575.0 (29) | 4010.0 (95) | |||||
| log(g) | [cgs] | 7.65 (0.06) | 8.00 (0) | |||||
| Mass | [M☉] | 0.388 (0.04) | 0.58 (0.1) | |||||
| log(Luminosity) | [L☉] | -4.43 | ||||||
| Cooling age | [Gyr] | 3.9700 | ||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| 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] | 17.67 (0.8) | 17.67 (0.8) | 17.67 (0.8) | ||||
| Distance | [pc] | 56.59 (2) | 56.60 (2) | 32.40 (4) | 56.60 (2) | |||
| Composition | H | H | ||||||
| Proper motion (right ascension) | [mas/yr] | 245.684 (2) | 245.684 (2) | |||||
| Proper motion (declination) | [mas/yr] | -491.909 (1) | -491.909 (1) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | 20.10 | |||||||
| V magnitude | ||||||||
| R magnitude | 18.40 | |||||||
| I magnitude | ||||||||
| J magnitude | 17.46 (0.01) | 16.83 | 16.82 (0.2) | |||||
| H magnitude | 16.82 (0.04) | 16.93 | ||||||
| K magnitude | 16.65 (0.07) | 17.10 | ||||||
| u magnitude | 21.45 (0.03) | 21.45 | ||||||
| g magnitude | 19.14 | |||||||
| r magnitude | 18.29 | |||||||
| i magnitude | 17.96 | |||||||
| z magnitude | 17.76 | |||||||
| G magnitude | 19.08 (0.04) | 19.12 | 19.12 (0.004) | |||||
| BP magnitude | 19.07 (0.04) | 18.90 | ||||||
| RP magnitude | 17.83 (0.03) | 17.79 | ||||||
| Pan g magnitude | 19.24 (0.02) | |||||||
| Pan r magnitude | 18.62 (0.03) | |||||||
| Pan i magnitude | 18.25 (0.01) | |||||||
| Pan z magnitude | 18.17 (0.03) | |||||||
| Pan y magnitude | 18.15 (0.05) | |||||||
| 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.