All names: WD 0252-350, Gaia DR2 5049628376014475648, Gaia EDR3 5049628376014475648, MCT 0252-3501, 2MASS J02543713-3449544, WD0252-350, LEHPM 2896, GALEX J025437.0-344955, USNO-B1.0 0551-00025098, UCAC4 276-002859, TIC 91542412, HE 0252-3501, Gaia DR3 5049628376014475648, [SRH2004] A13
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 54 37.17 (0.05) | 02 54 37.17 (0.06) | 02 54 37.30 | 02 54 37.17 | 02 54 37.11 (0.05) | 02 54 36.67 | |||||
| Declination | -34 49 59.66 (0.07) | -34 49 59.49 (0.08) | -34 49 57.00 | -34 49 59.66 | -34 49 54.21 (0.07) | -34 49 45.48 | |||||
| Spectral type | DA | DA | DA | DA | DA2.9 | DA | |||||
| Effective temperature | [K] | 17705.0 (283) | 17510.0 (278) | 16934.0 (34) | 17110.0 (70) | 16114.0 (168) | |||||
| log(g) | [cgs] | 7.57 (0.05) | 7.44 (0.05) | 7.37 (0.007) | 7.37 (0.01) | 7.38 (0.01) | |||||
| Mass | [M☉] | 0.413 (0.02) | 0.4 (0.02) | 0.33 | 0.34 (0.006) | ||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.0492 | |||||||||
| 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] | 7.66 (0.09) | 7.96 (0.1) | 7.66 | 7.66 (0.09) | ||||||
| Distance | [pc] | 130.61 (2) | 130.00 | 125.58 (2) | 138.00 | 130.61 | 130.61 (2) | ||||
| Composition | H | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 46.10587996 (0.07) | 46.93346712 (0.1) | 46.106 (0.07) | |||||||
| Proper motion (declination) | [mas/yr] | -340.3144868 (0.08) | -340.2240146 (0.2) | -340.314 (0.09) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.89 | 15.89 | 15.86 (0.05) | ||||||||
| V magnitude | 15.79 (0.06) | ||||||||||
| R magnitude | 15.85 (0.1) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.22 (0.1) | ||||||||||
| H magnitude | 15.99 (0.2) | ||||||||||
| K magnitude | 15.94 (0.3) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | 15.75 (0.06) | ||||||||||
| r magnitude | 16.02 (0.1) | ||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.86 (0.002) | 15.88 | 15.86 | 15.86 (0.003) | |||||||
| BP magnitude | 15.81 (0.002) | 15.78 | |||||||||
| RP magnitude | 15.99 (0.004) | 15.99 | |||||||||
| 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.