All names: Gaia DR2 3963587822967516032, 2MASS J11121585+1117448, UCAC4 507-051560, SDSS J111215.82+111745.0, Gaia DR3 3963587822967516032, Gaia EDR3 3963587822967516032, WISE J111215.79+111745.0, J1112+1117, GALEX J111215.8+111745, WISEA J111215.79+111745.1, USNO-B1.0 1012-00190926, EQ J1112+1117, USNO-A2.0 0975-06673059, TIC 290904838
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2014 | Hermes et al. 2013 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 12 15.77 (0.05) | 11 12 15.78 (0.07) | 11 12 15.77 | 11 12 15.83 (0.05) | |||||
| Declination | 11 17 44.92 (0.04) | 11 17 44.92 (0.05) | 11 17 44.92 | 11 17 45.12 (0.04) | |||||
| Spectral type | DA | DA | DA | ||||||
| Effective temperature | [K] | 9560.0 (140) | 9590.0 | ||||||
| log(g) | [cgs] | 6.30 (0.06) | 6.36 | ||||||
| Mass | [M☉] | 0.177 | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 2.4280 (0.3) | |||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | -7.22 | ||||||||
| 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] | 2.75 (0.05) | 2.61 (0.08) | 2.75 | 2.75 (0.05) | ||||
| Distance | [pc] | 363.53 (7) | 383.22 (11) | 248.00 (38) | 363.53 | 363.53 (7) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -55.53885091 (0.05) | -55.48798144 (0.1) | -55.539 (0.05) | |||||
| Proper motion (declination) | [mas/yr] | -12.63647843 (0.05) | -12.6745906 (0.1) | -12.636 (0.04) | |||||
| Variability | VAR | VAR | |||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | 16.54 (0.1) | ||||||||
| V magnitude | 16.30 | 16.31 (0.04) | |||||||
| R magnitude | 16.20 (0.3) | ||||||||
| I magnitude | |||||||||
| J magnitude | 16.06 (0.1) | ||||||||
| H magnitude | 16.14 (0.2) | ||||||||
| K magnitude | |||||||||
| u magnitude | 17.15 (0.01) | ||||||||
| g magnitude | 16.25 (0.003) | ||||||||
| r magnitude | 16.39 (0.004) | ||||||||
| i magnitude | 16.53 (0.004) | ||||||||
| z magnitude | 16.70 (0.01) | ||||||||
| G magnitude | 16.34 (0.004) | 16.35 | 16.34 | 16.34 (0.003) | |||||
| BP magnitude | 16.40 (0.004) | 16.40 | |||||||
| RP magnitude | 16.24 (0.004) | 16.25 | |||||||
| Pan g magnitude | 16.32 (0.003) | ||||||||
| Pan r magnitude | 16.42 (0.005) | ||||||||
| Pan i magnitude | 16.57 (0.003) | ||||||||
| Pan z magnitude | 16.72 (0.003) | ||||||||
| Pan y magnitude | 16.79 (0.008) | ||||||||
| E(B-V) | 0.024 | ||||||||
| Period #1 | [s] | 107.6 | |||||||
| Amplitude #1 | [mma] | 0.4 | |||||||
| Period #2 | [s] | 134.3 | |||||||
| Amplitude #2 | [mma] | 0.4 | |||||||
| Period #3 | [s] | 1792.9 | |||||||
| Amplitude #3 | [mma] | 3.3 | |||||||
| Period #4 | [s] | 1884.6 | |||||||
| Amplitude #4 | [mma] | 4.7 | |||||||
| Period #5 | [s] | 2258.5 | |||||||
| Amplitude #5 | [mma] | 7.5 | |||||||
| Period #6 | [s] | 2539.7 | |||||||
| Amplitude #6 | [mma] | 6.8 | |||||||
| Period #7 | [s] | 2855.7 | |||||||
| Amplitude #7 | [mma] | 3.6 | |||||||
* 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.