All names: Gaia DR2 3794250972021745920, WD 1135-001.1, WIRED J113748.30-002714.6, SDSS J113748.30-002714.7, SDSS J113748.31-002714.6, 2QZ J113748.2-002715, SDSS J113748.31-002714.7, Gaia EDR3 3794250972021745920, Gaia DR3 3794250972021745920, SDSS J113748.30-002714.6
| 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 37 48.30 (0.4) | 11 37 48.31 | 11 37 48.30 (0.5) | 11 37 48.31 (0.4) | 11 37 48.31 | 11 37 48.30 | 11 37 48.30 | ||||||
| Declination | -00 27 14.83 (0.3) | -00 27 14.67 | -00 27 14.83 (0.3) | -00 27 14.68 (0.3) | -00 27 14.67 | -00 27 14.67 | -00 27 14.65 | ||||||
| Spectral type | DA4 | DA4 | DA4 | DA | DA | DA | |||||||
| Effective temperature | [K] | 12849.0 | 16953.0 (348) | 17715.0 (430) | 17021.0 (351) | ||||||||
| log(g) | [cgs] | 7.00 | 7.93 (0.08) | 7.74 (0.1) | 7.97 (0.08) | ||||||||
| Mass | [M☉] | 0.234 | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.1065 | |||||||||||
| 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] | 1.45 (0.5) | 1.35 (0.6) | 1.45 (0.5) | |||||||||
| Distance | [pc] | 689.66 (242) | 739.93 (315) | 689.66 (242) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -6.85228102 (0.5) | -6.350577978 (1) | -6.852 (0.5) | -11.1 | -10.0 | |||||||
| Proper motion (declination) | [mas/yr] | -9.380862314 (0.4) | -9.701976166 (0.6) | -9.381 (0.4) | -8.6 | -11.0 | |||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 19.44 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | 19.15 (0.2) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.54 (0.03) | 19.60 | 19.54 (0.03) | 19.60 (0.03) | 19.61 (0.03) | 19.60 (0.03) | |||||||
| g magnitude | 19.32 (0.01) | 19.35 | 19.32 (0.01) | 19.34 (0.03) | 19.33 (0.03) | 19.35 (0.03) | |||||||
| r magnitude | 19.64 (0.02) | 19.64 | 19.64 (0.02) | 19.64 (0.02) | 19.63 (0.02) | 19.64 (0.02) | |||||||
| i magnitude | 19.93 (0.02) | 19.93 | 19.93 (0.03) | 19.93 (0.03) | 19.93 (0.03) | 19.93 (0.03) | |||||||
| z magnitude | 20.10 (0.1) | 20.03 | 20.10 (0.1) | 20.06 (0.1) | 20.06 (0.1) | 20.03 (0.1) | |||||||
| G magnitude | 19.52 (0.05) | 19.58 | 19.52 (0.005) | ||||||||||
| BP magnitude | 19.53 (0.05) | 19.37 | |||||||||||
| RP magnitude | 19.63 (0.07) | 19.39 | |||||||||||
| Pan g magnitude | 19.34 (0.01) | ||||||||||||
| Pan r magnitude | 19.68 (0.01) | ||||||||||||
| Pan i magnitude | 19.87 (0.04) | ||||||||||||
| Pan z magnitude | 20.12 (0.05) | ||||||||||||
| Pan y magnitude | 19.89 (0.08) | ||||||||||||
| E(B-V) | 0.023 | ||||||||||||
* 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.