All names: LTT 6501, WD 1616-591, UCAC4 154-181514, Gaia DR2 5831903961197534720, TIC 208712116, 2MASS J16203463-5916175, NLTT 42469, WDJ162034.61-591617.82, WD 1616-59, L 202-179, Gaia DR3 5831903961197534720, BPM 24047, Gaia EDR3 5831903961197534720
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 20 34.39 (0.02) | 16 20 34.39 (0.04) | 16 20 34.39 | 16 20 34.61 (0.02) | 16 20 34.39 | 16 20 34.10 | |||
| Declination | -59 16 21.12 (0.02) | -59 16 21.01 (0.03) | -59 16 21.12 | -59 16 17.82 (0.02) | -59 16 21.01 | -59 16 15.96 | |||
| Spectral type | DA | DA | DA3.8 | DA5 | |||||
| Effective temperature | [K] | 13280.0 (231) | 13219.0 (75) | ||||||
| log(g) | [cgs] | 7.83 (0.05) | 7.87 (0.005) | ||||||
| Mass | [M☉] | 0.52 (0.02) | 0.534 (0.004) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| 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] | 18.53 (0.03) | 18.52 (0.04) | 18.53 | 18.53 (0.03) | 18.52 (0.04) | |||
| Distance | [pc] | 53.96 (0.08) | 54.00 (0.1) | 58.00 | 53.96 | 53.96 (0.08) | 54.00 (0.1) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -108.5437292 (0.03) | -108.5647118 (0.07) | -108.544 (0.03) | -108.5647118 | ||||
| Proper motion (declination) | [mas/yr] | -206.1803867 (0.03) | -206.2057347 (0.06) | -206.18 (0.03) | -206.2057347 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.03 (0.05) | ||||||||
| V magnitude | 14.93 (0.03) | ||||||||
| R magnitude | 15.22 (0.05) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.22 (0.06) | ||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | 14.87 (0) | ||||||||
| r magnitude | 14.89 (0) | ||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.01 (0.001) | 15.03 | 15.01 | 15.01 (0.003) | 15.03 | ||||
| BP magnitude | 15.00 (0.001) | 15.00 | 15.00 | ||||||
| RP magnitude | 15.08 (0.001) | 15.08 | 15.08 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.006 | ||||||||
* 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.