All names: PLX 1791.01, LHS 1927, NLTT 18113, Gaia DR2 5536077746353130240, Gaia DR3 5536077746353130240, TIC 123029058, Gaia EDR3 5536077746353130240, WD 0732-427, LAWD 24, PM 07320-4247, BPM 33039, LFT 533, WD 0732-42, uvby98 600102884, 2MASS J07333778-4253576, L 384-24, WDJ073337.81-425357.25, WG 9, GJ 2062, GCRV 27425, LTT 2884, USNO-B1.0 0471-00108969, GSC 07652-00285
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 33 37.91 (0.01) | 07 33 37.91 (0.02) | 07 33 37.91 | 07 33 37.81 (0.01) | 07 33 37.91 | 07 33 42.79 | |||||
| Declination | -42 53 46.42 (0.02) | -42 53 46.75 (0.03) | -42 53 46.42 | -42 53 57.25 (0.02) | -42 53 46.75 | -42 53 35.16 | |||||
| Spectral type | DA | DA | DA | DA3.2 | DAE | ||||||
| Effective temperature | [K] | 15032.0 (230) | 15570.0 (233) | 14995.0 (28) | 15452.0 (98) | ||||||
| log(g) | [cgs] | 8.15 (0.02) | 8.12 (0.04) | 8.00 (0.005) | 8.19 (0.005) | ||||||
| Mass | [M☉] | 0.706 (0.01) | 0.68 (0.03) | 0.728 (0.005) | |||||||
| 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] | 29.67 (0.02) | 29.67 (0.02) | 29.65 (0.03) | 29.67 | 29.67 (0.02) | 29.65 (0.03) | 9.10 | |||
| Distance | [pc] | 33.70 (0.02) | 33.70 (0.02) | 33.72 (0.03) | 36.00 | 33.70 | 33.70 (0.02) | 33.72 (0.03) | 109.89 | ||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 70.69880785 (0.02) | 70.72893338 (0.05) | 70.699 (0.02) | 70.72893338 | ||||||
| Proper motion (declination) | [mas/yr] | 677.3332493 (0.02) | 677.4362415 (0.06) | 677.333 (0.02) | 677.4362415 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 14.27 | ||||||||||
| V magnitude | 14.16 | 14.16 | |||||||||
| R magnitude | 14.10 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.44 (0.04) | ||||||||||
| H magnitude | 14.44 (0.06) | ||||||||||
| K magnitude | 14.41 (0.09) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 14.19 (0.001) | 14.20 | 14.19 | 14.19 (0.003) | 14.20 | ||||||
| BP magnitude | 14.15 (0.001) | 14.14 | 14.14 | ||||||||
| RP magnitude | 14.29 (0.001) | 14.30 | 14.30 | ||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.000 | ||||||||||
* 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.