All names: GALEX J114049.4-025711, WD 1138-026, SDSS J114049.41-025712.4, Gaia DR2 3792687260328459904, Gaia DR3 3792687260328459904, SDSS J114049.40-025712.4, 2QZ J114049.4-025713, WIRED J114049.41-025712.3, [HHD2009] SDSS J1140-0257, SDSS J114049.41-025712.3, Gaia EDR3 3792687260328459904, SDSS J114049.38-025712.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 40 49.35 (0.4) | 11 40 49.38 | 11 40 49.35 (0.5) | 11 40 49.41 | 11 40 49.41 (0.4) | 11 40 49.41 | 11 40 48.46 | 11 40 49.41 | |||||
| Declination | -02 57 12.47 (0.3) | -02 57 12.39 | -02 57 12.47 (0.3) | -02 57 12.31 | -02 57 12.36 (0.3) | -02 57 12.41 | -02 57 14.40 | -02 57 12.36 | |||||
| Spectral type | DA+M | DA | DA+dM | DA+M | DA4.0 | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 13904.0 (704) | 15020.0 (520) | 10897.0 (82) | 10802.0 (88) | ||||||||
| log(g) | [cgs] | 7.77 (0.1) | 8.01 (0.08) | 8.26 (0.07) | 8.21 (0.08) | ||||||||
| Mass | [M☉] | 0.49 (0.07) | 0.62 (0.05) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.2239 | |||||||||||
| 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] | 2.41 (0.5) | 1.69 (0.6) | 2.41 (0.5) | |||||||||
| Distance | [pc] | 415.39 (82) | 592.59 (214) | 415.39 (82) | |||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -64.24202158 (0.6) | -66.188 (1) | -64.242 (0.6) | -123.3 | ||||||||
| Proper motion (declination) | [mas/yr] | -6.910502324 (0.4) | -6.658 (0.6) | -6.911 (0.4) | -37.0 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||
| B magnitude | 19.15 | ||||||||||||
| V magnitude | 19.00 | ||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 19.44 (0.03) | 19.44 | 19.44 (0.03) | 19.44 (0.03) | 19.44 | 19.42 (0.03) | |||||||
| g magnitude | 19.11 (0.01) | 19.12 | 19.11 (0.01) | 19.12 (0.03) | 19.12 | 19.11 (0.02) | |||||||
| r magnitude | 19.25 (0.01) | 19.30 | 19.26 (0.01) | 19.30 (0.02) | 19.30 | 19.29 (0.02) | |||||||
| i magnitude | 18.98 (0.01) | 19.05 | 18.99 (0.01) | 19.05 (0.02) | 19.05 | 19.05 (0.02) | |||||||
| z magnitude | 18.46 (0.03) | 18.46 | 18.46 (0.03) | 18.46 (0.03) | 18.47 | 18.47 (0.03) | |||||||
| G magnitude | 19.33 (0.04) | 19.30 | 19.33 (0.005) | ||||||||||
| BP magnitude | 19.28 (0.04) | 19.19 | |||||||||||
| RP magnitude | 18.57 (0.03) | 18.55 | |||||||||||
| Pan g magnitude | 19.12 (0.005) | ||||||||||||
| Pan r magnitude | 19.26 (0.02) | ||||||||||||
| Pan i magnitude | 19.01 (0.005) | ||||||||||||
| Pan z magnitude | 18.66 (0.02) | ||||||||||||
| Pan y magnitude | 18.34 (0.02) | ||||||||||||
| 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.