All names: WD 1042-690, GCRV 27457, Gaia DR3 5231870985222281088, L 101-80, BPM 6502, WG 17, V* V727 Car, WDJ104410.24-691818.08, GSC 09211-00229, Gaia EDR3 5231870985222281088, SBC9 1942, TIC 398365709, Gaia DR2 5231870985222281088, 2MASS J10441023-6918180, WD 1042-69, LTT 3943, NLTT 25239
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | 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 | 10 44 09.35 (0.02) | 10 44 09.38 (0.03) | 10 44 09.35 | 10 44 10.24 (0.02) | 10 44 09.38 | 10 44 12.14 | ||||
| Declination | -69 18 17.82 (0.02) | -69 18 17.83 (0.03) | -69 18 17.82 | -69 18 18.08 (0.02) | -69 18 17.83 | -69 17 47.04 | ||||
| Spectral type | DA | DA | DA | DA2+dM | DA3 | |||||
| Effective temperature | [K] | 22570.0 (331) | ||||||||
| log(g) | [cgs] | 7.84 (0.04) | ||||||||
| Mass | [M☉] | 0.54 (0.02) | ||||||||
| 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] | 34.18 (0.02) | 34.18 (0.02) | 34.23 (0.03) | 34.18 | 34.18 (0.02) | 34.23 (0.03) | |||
| Distance | [pc] | 29.26 (0.02) | 29.26 (0.02) | 29.22 (0.02) | 36.00 | 29.26 | 29.26 (0.02) | 29.22 (0.02) | ||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -292.3811349 (0.02) | -292.4259048 (0.05) | -292.381 (0.02) | -292.4259048 | |||||
| Proper motion (declination) | [mas/yr] | 16.11194946 (0.02) | 16.14843226 (0.05) | 16.112 (0.02) | 16.14843226 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 13.05 | |||||||||
| V magnitude | 13.09 | |||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 11.42 (0.03) | |||||||||
| H magnitude | 10.90 (0.03) | |||||||||
| K magnitude | 10.56 (0.02) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 12.72 (0.0009) | 12.73 | 12.72 | 12.72 (0.003) | 12.73 | |||||
| BP magnitude | 12.74 (0.0009) | 12.71 | 12.71 | |||||||
| RP magnitude | 12.54 (0.0007) | 12.54 | 12.54 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.002 | |||||||||
* 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.