All names: Ruiz 267-110, USNO-B1.0 0435-00278486, WDJ115957.79-462904.84, WD 1157-462, EQ J1159-464, ESO 267-110, J1159-4629, Gaia DR3 5377861592235273856, Gaia DR2 5377861592235273856
| Parameter | Unit | Coutu et al. 2019 | Gaia DR2 | Stilism | Dufour et al. 2005 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 59 58.19 | 11 59 56.86 (0.1) | 11 59 56.83 | 11 59 57.79 (0.07) | 11 59 56.86 | 11 59 58.34 | ||||
| Declination | -46 29 05.39 | -46 29 03.32 (0.07) | -46 29 03.27 | -46 29 04.84 (0.05) | -46 29 03.32 | -46 29 00.60 | ||||
| Spectral type | DQ | DQ | DQ | DQ | DQ | DQ | ||||
| Effective temperature | [K] | 7101.0 (249) | 7190.0 (250) | 7710.0 (380) | 7119.0 (51) | |||||
| log(g) | [cgs] | 8.02 | 8.32 (0.1) | 8.00 (0) | 8.01 (0.01) | |||||
| Mass | [M☉] | 0.5841 | 0.78 (0.1) | 0.57 | 0.58 (0.01) | |||||
| log(Luminosity) | [L☉] | -3.30 | ||||||||
| Cooling age | [Gyr] | 1.5300 | 1.6300 | |||||||
| log(H/He) | ||||||||||
| log(C/He) | -6.0199 (0.03) | -5.66 (0.1) | ||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(N/He) | ||||||||||
| log(O/He) | ||||||||||
| log(Na/He) | ||||||||||
| log(Mg/He) | ||||||||||
| log(Al/He) | ||||||||||
| log(Si/He) | ||||||||||
| log(P/He) | ||||||||||
| log(S/He) | ||||||||||
| log(Cl/He) | ||||||||||
| log(Sc/He) | ||||||||||
| log(Ti/He) | ||||||||||
| log(V/He) | ||||||||||
| log(Cr/He) | ||||||||||
| log(Mn/He) | ||||||||||
| log(Fe/He) | ||||||||||
| log(Co/He) | ||||||||||
| log(Ni/He) | ||||||||||
| log(Cu/He) | ||||||||||
| log(Zn/He) | ||||||||||
| log(Ga/He) | ||||||||||
| log(Ge/He) | ||||||||||
| log(Sr/He) | ||||||||||
| Parallax | [mas] | 15.85 | 15.85 (0.1) | 18.50 (2) | 15.94 | 15.94 (0.1) | 15.85 (0.1) | |||
| Distance | [pc] | 63.10 (0.5) | 63.10 (0.5) | 54.05 (6) | 62.72 | 62.72 (0.4) | 63.10 (0.5) | |||
| Composition | He | He | He | |||||||
| Proper motion (right ascension) | [mas/yr] | -621.1495711 (0.2) | -620.769 (0.08) | -621.1495711 | ||||||
| Proper motion (declination) | [mas/yr] | 98.03592281 (0.1) | 97.965 (0.07) | 98.03592281 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.80 | 17.80 | ||||||||
| V magnitude | 17.55 | 17.55 | ||||||||
| R magnitude | 17.35 | 17.20 | ||||||||
| I magnitude | 17.12 | |||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 17.46 | 17.44 | 17.44 (0.003) | 17.46 | ||||||
| BP magnitude | 17.59 | 17.59 | ||||||||
| RP magnitude | 17.18 | 17.18 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.004 | |||||||||
* 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.