All names: LP647-033, SDSS J011728.48-043942.1, 0114-049A, WD 0114-049A, WDS J01176-0439B, J0117-0439, ** LDS 3260B, Gaia DR2 2482813425794003200, Gaia DR3 2482813425794003200, WD 0114-049.1, WDJ011728.64-043939.68, LP 647-33, NLTT 4293, Gaia EDR3 2482813425794003200
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Leggett et al. 2018 | 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 | 01 17 28.36 (0.1) | 01 17 28.37 (0.2) | 01 17 28.36 | 01 17 28.64 (0.1) | 01 17 28.37 | 01 17 29.93 | |||||||
| Declination | -04 39 43.92 (0.1) | -04 39 43.79 (0.1) | -04 39 43.92 | -04 39 39.68 (0.1) | -04 39 43.79 | -04 39 18.72 | |||||||
| Spectral type | DC: | DC:10.3 | DC: | DC9 | DC | ||||||||
| Effective temperature | [K] | 4952.0 (19) | 4885.0 (75) | 4858.0 | 4535.0 | 4961.0 (57) | |||||||
| log(g) | [cgs] | 7.98 (0.01) | 7.95 (0.04) | 7.88 | 7.64 | 7.97 (0.03) | |||||||
| Mass | [M☉] | 0.565 (0.01) | 0.55 (0.04) | 0.508 | 0.377 | 0.561 (0.03) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 5.9200 | 5.6500 (0.6) | 4.9600 | 3.6870 | ||||||||
| 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] | 24.20 (0.2) | 23.94 (0.2) | 24.55 (0.6) | 23.94 (0.2) | 24.20 | 24.20 (0.2) | 23.94 (0.2) | |||||
| Distance | [pc] | 41.32 (0.3) | 41.77 (0.3) | 40.73 (0.9) | 41.77 (0.3) | 41.32 | 41.32 (0.3) | 41.77 (0.3) | |||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -264.4735552 (0.2) | -264.8365417 (0.4) | -264.474 (0.2) | -264.8365417 | ||||||||
| Proper motion (declination) | [mas/yr] | -264.8945623 (0.1) | -265.0483239 (0.2) | -264.895 (0.1) | -265.0483239 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | yes | ||||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.60 (0.01) | ||||||||||||
| H magnitude | 16.41 (0.02) | ||||||||||||
| K magnitude | 16.32 (0.03) | ||||||||||||
| u magnitude | 20.36 (0.06) | 20.36 (0.06) | 20.36 (0.06) | ||||||||||
| g magnitude | 18.70 (0.008) | 18.70 (0.008) | |||||||||||
| r magnitude | 17.93 (0.007) | 17.93 (0.007) | |||||||||||
| i magnitude | 17.65 (0.007) | 17.65 (0.007) | |||||||||||
| z magnitude | 17.54 (0.02) | 17.54 (0.02) | |||||||||||
| G magnitude | 17.95 (0.02) | 17.98 | 17.95 | 17.95 (0.003) | 17.98 | ||||||||
| BP magnitude | 18.41 (0.02) | 18.47 | 18.47 | ||||||||||
| RP magnitude | 17.30 (0.01) | 17.32 | 17.32 | ||||||||||
| Pan g magnitude | 18.58 (0.006) | 18.58 (0.009) | |||||||||||
| Pan r magnitude | 17.92 (0.003) | 17.92 (0.003) | |||||||||||
| Pan i magnitude | 17.64 (0.003) | 17.64 (0.003) | |||||||||||
| Pan z magnitude | 17.54 (0.004) | 17.54 (0.004) | |||||||||||
| Pan y magnitude | 17.49 (0.02) | 17.49 (0.02) | |||||||||||
| 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.