All names: SDSS J111045.91+321447.2, SDSS J111045.84+321447.4, GALEX J111045.9+321447, Ton 60, WIRED J111045.90+321447.2, WD 1108+325, 2MASS J11104591+3214475, TON 60, LAMOST J111045.90+321447.2, Gaia DR3 757794340260128256, SDSS J111045.90+321447.2, LB 10018, Gaia DR2 757794340260128256, Gaia EDR3 757794340260128256, CBS 37, TIC 9001664, [HHD2009] SDSS J1110+3214, PG 1108+325
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 10 45.88 (0.2) | 11 10 45.90 | 11 10 45.88 (0.5) | 11 10 45.90 | 11 10 45.88 | 11 10 45.91 (0.2) | 11 10 45.02 | 11 10 45.91 | |||||||
| Declination | 32 14 46.99 (0.3) | 32 14 47.23 | 32 14 47.00 (0.6) | 32 14 47.18 | 32 14 46.99 | 32 14 47.24 (0.3) | 32 14 54.24 | 32 14 47.23 | |||||||
| Spectral type | DA+M | DA+M | DA | DA | DA+dM | DA1 | DA+M | DA+MS | |||||||
| Effective temperature | [K] | 69924.0 (2546) | 68101.0 (3107) | 64050.0 (2060) | 62950.0 (2098) | 24360.0 (728) | 66229.0 (1915) | ||||||||
| log(g) | [cgs] | 7.09 (0.1) | 7.24 (0.2) | 7.64 (0.1) | 7.59 (0.1) | 7.25 (0.1) | 6.62 (0.1) | ||||||||
| Mass | [M☉] | 0.43 (0.02) | 0.48 (0.04) | 0.58 (0.04) | 0.56 (0.04) | 0.341 (0.03) | |||||||||
| log(Luminosity) | [L☉] | 1.32 (0.1) | 0.75 | ||||||||||||
| Cooling age | [Gyr] | 0.0001 | 0.0011 | ||||||||||||
| 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] | 3.40 (0.3) | 3.21 (0.6) | 3.40 | 3.40 (0.3) | ||||||||||
| Distance | [pc] | 294.36 (28) | 311.11 (58) | 93.00 (8) | 357.00 | 554.00 | 294.36 | 294.37 (28) | |||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -27.95865649 (0.3) | -29.20119096 (0.8) | -27.959 (0.3) | |||||||||||
| Proper motion (declination) | [mas/yr] | -15.9540168 (0.4) | -14.28802501 (1) | -15.954 (0.4) | |||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||||
| B magnitude | 15.90 | ||||||||||||||
| V magnitude | 16.85 | ||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.80 (0.07) | ||||||||||||||
| H magnitude | 15.19 (0.08) | ||||||||||||||
| K magnitude | 15.23 (0.2) | ||||||||||||||
| u magnitude | 16.13 (0.006) | 16.16 | 16.13 (0.006) | 16.15 | 16.16 (0.03) | ||||||||||
| g magnitude | 16.55 (0.004) | 16.55 | 16.55 (0.004) | 16.54 | 16.56 (0.02) | ||||||||||
| r magnitude | 16.97 (0.004) | 16.99 | 16.97 (0.004) | 16.98 | 16.99 (0.02) | ||||||||||
| i magnitude | 16.96 (0.005) | 16.97 | 16.96 (0.005) | 16.96 | 16.97 (0.02) | ||||||||||
| z magnitude | 16.80 (0.01) | 16.84 | 16.80 (0.01) | 16.83 | 16.82 (0.02) | ||||||||||
| G magnitude | 16.79 (0.007) | 16.74 | 16.79 | 16.79 (0.005) | |||||||||||
| BP magnitude | 16.63 (0.007) | 16.57 | |||||||||||||
| RP magnitude | 16.63 (0.01) | 16.62 | |||||||||||||
| Pan g magnitude | 16.61 (0.004) | ||||||||||||||
| Pan r magnitude | 16.99 (0.005) | ||||||||||||||
| Pan i magnitude | 17.00 (0.004) | ||||||||||||||
| Pan z magnitude | 16.89 (0.003) | ||||||||||||||
| Pan y magnitude | 16.80 (0.005) | ||||||||||||||
| E(B-V) | 0.017 | ||||||||||||||
* 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.