All names: WD 1108+47, J1111+4718, WD 1108+475, UCAC4 687-053172, SDSS J111120.69+471826.1, PG 1108+476, GD 129, Gaia DR2 789339608048607232, GALEX J111120.6+471826, Gaia DR3 789339608048607232, Gaia EDR3 789339608048607232, 2MASS J11112072+4718266, TIC 156372667, WDJ111120.72+471826.45, GEN# +6.10060129
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 11 20.55 (0.02) | 11 11 20.55 (0.03) | 11 11 20.55 | 11 11 20.72 (0.02) | 11 11 20.55 | 11 11 20.52 | ||||||
| Declination | 47 18 25.00 (0.02) | 47 18 25.05 (0.04) | 47 18 25.00 | 47 18 26.44 (0.02) | 47 18 25.05 | 47 18 29.88 | ||||||
| Spectral type | DA | DA | DA | DA | DA3.8 | DA5 | ||||||
| Effective temperature | [K] | 12548.0 (92) | 12547.0 (92) | 13250.0 (247) | 12936.0 (101) | |||||||
| log(g) | [cgs] | 8.26 (0.005) | 8.26 (0.006) | 8.26 (0.05) | 8.29 (0.005) | |||||||
| Mass | [M☉] | 0.769 (0.005) | 0.77 (0.005) | 0.77 (0.03) | 0.786 (0.005) | |||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 20.70 (0.03) | 20.74 (0.06) | 20.70 | 20.70 (0.03) | 20.74 (0.06) | ||||||
| Distance | [pc] | 48.32 (0.07) | 48.23 (0.1) | 50.00 | 48.32 | 48.32 (0.07) | 48.23 (0.1) | |||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -110.2662288 (0.02) | -110.436584 (0.05) | -110.266 (0.02) | -110.436584 | |||||||
| Proper motion (declination) | [mas/yr] | -89.92405223 (0.03) | -90.195917 (0.08) | -89.924 (0.03) | -90.195917 | |||||||
| Variability | NOV | |||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 15.61 (0.03) | |||||||||||
| V magnitude | 15.39 (0) | |||||||||||
| R magnitude | 15.80 (0.1) | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.66 (0.05) | |||||||||||
| H magnitude | 15.35 (0.09) | |||||||||||
| K magnitude | 15.62 (0.2) | |||||||||||
| u magnitude | 15.68 (0.005) | 15.68 (0.005) | ||||||||||
| g magnitude | 15.31 (0.003) | 15.31 (0.003) | ||||||||||
| r magnitude | 15.53 (0.004) | 15.53 (0.004) | ||||||||||
| i magnitude | 15.73 (0.004) | 15.73 (0.004) | ||||||||||
| z magnitude | 15.99 (0.007) | 15.99 (0.007) | ||||||||||
| G magnitude | 15.42 (0.001) | 15.44 | 15.42 | 15.42 (0.003) | 15.44 | |||||||
| BP magnitude | 15.41 (0.001) | 15.41 | 15.41 | |||||||||
| RP magnitude | 15.45 (0.002) | 15.46 | 15.46 | |||||||||
| Pan g magnitude | 15.35 (0.003) | |||||||||||
| Pan r magnitude | 15.54 (0.003) | |||||||||||
| Pan i magnitude | 15.76 (0.004) | |||||||||||
| Pan z magnitude | 15.97 (0.004) | |||||||||||
| Pan y magnitude | 16.13 (0.007) | |||||||||||
| E(B-V) | 0.002 | |||||||||||
* 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.