All names: SDSS J110843.58+115515.7, TIC 350436083, WD 1106+121, SDSS J110843.57+115515.8, Gaia DR3 3964619267952920448, SDSS J110843.56+115515.8, GALEX J110843.5+115515, Gaia DR2 3964619267952920448, SDSS J110843.58+115515.9, Gaia EDR3 3964619267952920448, [HHD2009] SDSS J1108+1155, 2MASS J11084355+1155161, LAMOST J110843.57+115515.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 08 43.58 (0.1) | 11 08 43.57 | 11 08 43.58 (0.2) | 11 08 43.57 | 11 08 43.58 | 11 08 43.57 (0.1) | 11 08 43.58 | 11 08 43.01 | 11 08 43.58 | ||||||
| Declination | 11 55 15.75 (0.2) | 11 55 15.81 | 11 55 15.76 (0.4) | 11 55 15.82 | 11 55 15.75 | 11 55 15.84 (0.2) | 11 55 15.86 | 11 55 14.16 | 11 55 15.86 | ||||||
| Spectral type | DA+M | DA+M | DA | DA | DA+M | DA+M | DA d | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 37082.0 (365) | 36996.0 (551) | 37980.0 (590) | 21117.0 (1129) | 38298.0 (378) | 37980.0 (372) | ||||||||
| log(g) | [cgs] | 7.77 (0.05) | 8.03 (0.08) | 7.97 (0.07) | 6.80 (0.1) | 7.83 (0.06) | 7.79 (0.05) | ||||||||
| Mass | [M☉] | 0.55 (0.02) | 0.68 (0.05) | 0.65 (0.04) | 0.229 (0.04) | ||||||||||
| log(Luminosity) | [L☉] | -0.36 (0.04) | |||||||||||||
| Cooling age | [Gyr] | 0.0046 (0.0002) | 0.0049 | ||||||||||||
| 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] | 1.91 (0.2) | 1.42 (0.5) | 1.91 | 1.91 (0.2) | ||||||||||
| Distance | [pc] | 524.51 (67) | 706.21 (227) | 299.00 (12) | 524.51 | 524.52 (67) | |||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.32097475 (0.2) | 13.375 (0.4) | 11.321 (0.2) | 17.6 | ||||||||||
| Proper motion (declination) | [mas/yr] | -5.377164368 (0.2) | -4.421 (0.4) | -5.377 (0.2) | -7.0 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | WDMS | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.48 (0.1) | ||||||||||||||
| H magnitude | 15.87 (0.2) | ||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 17.07 (0.009) | 17.13 | 17.07 (0.009) | 17.13 (0.01) | 17.13 | 17.08 (0.01) | |||||||||
| g magnitude | 17.41 (0.005) | 17.47 | 17.41 (0.005) | 17.47 (0.02) | 17.47 | 17.42 (0.02) | |||||||||
| r magnitude | 17.81 (0.006) | 17.84 | 17.81 (0.006) | 17.84 (0.02) | 17.84 | 17.81 (0.02) | |||||||||
| i magnitude | 17.82 (0.008) | 17.85 | 17.82 (0.008) | 17.85 (0.02) | 17.85 | 17.83 (0.02) | |||||||||
| z magnitude | 17.59 (0.02) | 17.62 | 17.59 (0.02) | 17.62 (0.03) | 17.62 | 17.58 (0.03) | |||||||||
| G magnitude | 17.64 (0.01) | 17.62 | 17.64 | 17.64 (0.006) | |||||||||||
| BP magnitude | 17.49 (0.01) | 17.47 | |||||||||||||
| RP magnitude | 17.45 (0.01) | 17.48 | |||||||||||||
| Pan g magnitude | 17.45 (0.009) | ||||||||||||||
| Pan r magnitude | 17.85 (0.007) | ||||||||||||||
| Pan i magnitude | 17.88 (0.006) | ||||||||||||||
| Pan z magnitude | 17.71 (0.008) | ||||||||||||||
| Pan y magnitude | 17.59 (0.01) | ||||||||||||||
| E(B-V) | 0.023 | ||||||||||||||
* 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.