All names: SDSS J114009.12+011223.0, PM J11401+0112W, 11401+0112W, Gaia DR2 3799009353404271488, Gaia EDR3 3799009353404271488, WD 1137+014, SDSS J114009.12+011223.1, USNO-B1.0 0912-00203112, J1140+0112, WDJ114009.13+011223.15, LSPM J1140+0112W, GALEX J114009.1+011223, Gaia DR3 3799009353404271488
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 40 08.94 (0.03) | 11 40 08.95 (0.05) | 11 40 08.94 | 11 40 09.13 (0.03) | 11 40 08.95 | 11 40 08.90 | |||||||||
| Declination | 01 12 22.97 (0.03) | 01 12 22.97 (0.04) | 01 12 22.97 | 01 12 23.15 (0.03) | 01 12 22.97 | 01 12 16.20 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | ||||||||
| Effective temperature | [K] | 9524.0 (52) | 9466.0 (39) | 9524.0 (53) | 9489.0 | 9439.0 | 9800.0 (144) | 9769.0 (73) | |||||||
| log(g) | [cgs] | 8.01 (0.008) | 8.01 (0.006) | 8.02 (0.008) | 8.01 | 7.94 | 8.12 (0.06) | 8.08 (0.01) | |||||||
| Mass | [M☉] | 0.607 (0.007) | 0.604 (0.006) | 0.608 (0.007) | 0.604 | 0.546 | 0.67 (0.04) | 0.645 (0.01) | |||||||
| log(Luminosity) | [L☉] | -2.93 | |||||||||||||
| Cooling age | [Gyr] | 0.7400 | 0.6998 | 0.6710 | |||||||||||
| 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] | 20.74 (0.04) | 20.76 (0.06) | 20.76 (0.06) | 20.74 | 20.74 (0.04) | 20.76 (0.06) | ||||||||
| Distance | [pc] | 48.22 (0.1) | 48.17 (0.1) | 48.16 (0.1) | 46.20 (1) | 48.22 | 48.22 (0.1) | 48.16 (0.1) | |||||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -176.0645731 (0.05) | -176.1115418 (0.1) | -176.065 (0.05) | -176.1115418 | ||||||||||
| Proper motion (declination) | [mas/yr] | -11.45281613 (0.04) | -11.48187002 (0.06) | -11.453 (0.04) | -11.48187002 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 15.20 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 14.20 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.64 (0.007) | ||||||||||||||
| H magnitude | 15.56 (0.01) | ||||||||||||||
| K magnitude | 15.58 (0.02) | ||||||||||||||
| u magnitude | 16.25 (0.006) | 16.19 | 16.20 (0.005) | 16.25 (0.006) | |||||||||||
| g magnitude | 15.77 | 15.78 (0.003) | 15.78 (0.003) | ||||||||||||
| r magnitude | 15.83 | 15.86 (0.004) | 15.84 (0.004) | ||||||||||||
| i magnitude | 15.89 | 15.93 (0.004) | 15.92 (0.004) | ||||||||||||
| z magnitude | 16.08 | 16.22 (0.007) | 16.12 (0.008) | ||||||||||||
| G magnitude | 15.77 (0.004) | 15.79 | 15.77 | 15.77 (0.003) | 15.79 | ||||||||||
| BP magnitude | 15.84 (0.004) | 15.83 | 15.83 | ||||||||||||
| RP magnitude | 15.67 (0.004) | 15.66 | 15.66 | ||||||||||||
| Pan g magnitude | 15.78 (0.007) | 15.78 (0.006) | |||||||||||||
| Pan r magnitude | 15.86 (0.004) | 15.86 (0.004) | |||||||||||||
| Pan i magnitude | 15.98 (0.002) | 15.98 (0.002) | |||||||||||||
| Pan z magnitude | 16.13 (0.003) | 16.13 (0.004) | |||||||||||||
| Pan y magnitude | 16.19 (0.004) | 16.19 (0.004) | |||||||||||||
| 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.