All names: Gaia DR2 3795551767292177152, SDSS J114624.45-002822.7, WD 1143-001.1, Gaia DR3 3795551767292177152, SDSS J114624.47-002822.8, SDSS J114624.46-002822.8, Gaia EDR3 3795551767292177152, SDSS J114624.46-002822.9, 2QZ J114624.4-002824
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 46 24.43 (0.4) | 11 46 24.45 | 11 46 24.43 (0.6) | 11 46 24.46 (0.4) | 11 46 24.46 | 11 46 24.46 | 11 46 24.46 | ||||||
| Declination | -00 28 22.61 (0.3) | -00 28 22.75 | -00 28 22.61 (0.4) | -00 28 22.84 (0.3) | -00 28 22.82 | -00 28 22.87 | -00 28 22.87 | ||||||
| Spectral type | DA4 | DA4 | DA4 | DA | DA | DA | |||||||
| Effective temperature | [K] | 14612.0 | 17672.0 (446) | 17697.0 (491) | 17672.0 (440) | ||||||||
| log(g) | [cgs] | 7.86 | 7.83 (0.1) | 7.82 (0.1) | 7.84 (0.1) | ||||||||
| Mass | [M☉] | 0.535 | 0.53 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1720 | |||||||||||
| 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] | 1.63 (0.4) | 1.93 (0.6) | 1.63 (0.4) | |||||||||
| Distance | [pc] | 612.32 (154) | 519.37 (163) | 612.33 (154) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.17622259 (0.5) | -24.29206126 (1) | -23.176 (0.5) | -24.8 | -22.0 | |||||||
| Proper motion (declination) | [mas/yr] | 14.36211478 (0.4) | 13.97493398 (0.7) | 14.362 (0.4) | 17.7 | 15.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 19.85 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.92 (0.03) | 19.78 | 19.92 (0.04) | 19.77 (0.03) | 19.77 (0.03) | 19.78 (0.03) | |||||||
| g magnitude | 19.55 (0.01) | 19.56 | 19.55 (0.01) | 19.55 (0.02) | 19.54 (0.02) | 19.56 (0.02) | |||||||
| r magnitude | 19.91 (0.02) | 19.90 | 19.91 (0.02) | 19.89 (0.03) | 19.89 (0.03) | 19.89 (0.03) | |||||||
| i magnitude | 20.12 (0.03) | 20.14 | 20.12 (0.03) | 20.13 (0.03) | 20.13 (0.03) | 20.14 (0.03) | |||||||
| z magnitude | 20.35 (0.1) | 20.38 | 20.35 (0.1) | 20.37 (0.1) | 20.38 (0.1) | 20.38 (0.1) | |||||||
| G magnitude | 19.73 (0.05) | 19.80 | 19.73 (0.005) | ||||||||||
| BP magnitude | 19.72 (0.05) | 19.67 | |||||||||||
| RP magnitude | 19.88 (0.06) | 19.80 | |||||||||||
| Pan g magnitude | 19.61 (0.01) | ||||||||||||
| Pan r magnitude | 19.88 (0.01) | ||||||||||||
| Pan i magnitude | 20.17 (0.03) | ||||||||||||
| Pan z magnitude | 20.39 (0.03) | ||||||||||||
| Pan y magnitude | 20.02 (0.2) | ||||||||||||
| E(B-V) | 0.022 | ||||||||||||
* 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.