All names: WDJ024813.20-300132.77, LP 886-43, Gaia DR2 5065611697758431360, [SRH2004] 19, Gaia DR3 5065611697758431360, USNO-B1.0 0599-00027484, Gaia EDR3 5065611697758431360, LEHPM 2791, WD 0246-302, NLTT 9030, LHS 1447
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Bergeron et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 48 13.75 (0.07) | 02 48 13.73 (0.1) | 02 48 13.75 | 02 48 13.20 (0.07) | 02 48 13.73 | 02 48 12.91 | |||
| Declination | -30 01 27.60 (0.1) | -30 01 27.76 (0.1) | -30 01 27.60 | -30 01 32.78 (0.1) | -30 01 27.76 | -30 01 26.40 | |||
| Spectral type | DC | DC | DC | ||||||
| Effective temperature | [K] | 6550.0 (170) | 5415.0 (110) | ||||||
| log(g) | [cgs] | 8.00 (0) | 7.66 (0.04) | ||||||
| Mass | [M☉] | 0.57 | 0.385 (0.02) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 1.9500 | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| 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] | 12.74 (0.2) | 12.92 (0.2) | 12.74 | 12.74 (0.2) | 12.92 (0.2) | |||
| Distance | [pc] | 78.47 (1) | 77.37 (1) | 86.00 | 78.47 | 78.47 (1) | 77.37 (1) | ||
| Composition | He | ||||||||
| Proper motion (right ascension) | [mas/yr] | 444.8379346 (0.2) | 445.0751801 (0.3) | 444.838 (0.2) | 445.0751801 | ||||
| Proper motion (declination) | [mas/yr] | 323.6925018 (0.2) | 323.5694406 (0.4) | 323.693 (0.2) | 323.5694406 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 18.94 | 17.80 | |||||||
| V magnitude | 18.50 | 18.43 | |||||||
| R magnitude | 18.14 | ||||||||
| I magnitude | 17.90 | ||||||||
| J magnitude | 17.68 (0.06) | ||||||||
| H magnitude | 17.65 (0.06) | ||||||||
| K magnitude | 17.62 (0.1) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 18.34 (0.01) | 18.37 | 18.34 | 18.34 (0.003) | 18.37 | ||||
| BP magnitude | 18.64 (0.01) | 18.62 | 18.62 | ||||||
| RP magnitude | 17.89 (0.02) | 17.90 | 17.90 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.001 | ||||||||
* 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.