All names: Gaia EDR3 5295512298775133824, WD 0740-570, 2MASS J07415285-5708446, GEN# +6.00218615, uvby98 600218615, L 185-53, GSC 08560-00144, TIC 340360114, WG 10, Gaia DR3 5295512298775133824, WDJ074152.84-570844.74, BPM 18615, WD 0740-57, GCRV 27453, Gaia DR2 5295512298775133824
| 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 | 07 41 52.79 (0.03) | 07 41 52.79 (0.03) | 07 41 52.79 | 07 41 52.84 (0.03) | 07 41 52.79 | 07 41 48.38 | |||
| Declination | -57 08 43.48 (0.03) | -57 08 43.52 (0.04) | -57 08 43.48 | -57 08 44.74 (0.03) | -57 08 43.52 | -57 09 08.64 | |||
| Spectral type | DA | DA | DA2.3 | DA2 | |||||
| Effective temperature | [K] | 21670.0 (318) | 20351.0 (231) | ||||||
| log(g) | [cgs] | 8.17 (0.04) | 7.75 (0.01) | ||||||
| Mass | [M☉] | 0.73 (0.03) | 0.494 (0.006) | ||||||
| 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] | 11.12 (0.03) | 11.13 (0.03) | 11.12 | 11.12 (0.03) | 11.13 (0.03) | |||
| Distance | [pc] | 89.89 (0.2) | 89.87 (0.3) | 68.00 | 89.89 | 89.89 (0.2) | 89.87 (0.3) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -24.11843301 (0.03) | -24.1923337 (0.07) | -24.118 (0.03) | -24.1923337 | ||||
| Proper motion (declination) | [mas/yr] | 78.55001426 (0.04) | 78.53804223 (0.08) | 78.55 (0.04) | 78.53804223 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | yes | ||||||||
| B magnitude | 14.90 | ||||||||
| V magnitude | 15.06 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.52 (0.05) | ||||||||
| H magnitude | 15.61 (0.1) | ||||||||
| K magnitude | 15.66 (0.2) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.15 (0.002) | 15.17 | 15.15 | 15.15 (0.003) | 15.17 | ||||
| BP magnitude | 15.07 (0.002) | 15.04 | 15.04 | ||||||
| RP magnitude | 15.33 (0.002) | 15.33 | 15.33 | ||||||
| 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.