All names: SDSS J110843.03+312356.1, SDSS J110843.04+312356.1, [HHD2009] SDSS J1108+3123, WIRED J110843.03+312356.1, Ton 58, Gaia EDR3 733712188049140480, TIC 8991611, CSO 75, WD 1106+316, Gaia DR2 733712183753774336, LAMOST J110843.03+312356.1, 2MASS J11084306+3123559, GALEX J110843.0+312356, SDSS J110843.03+312356.0, Gaia DR3 733712188049140480
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 08 43.03 (0.2) | 11 08 43.03 | 11 08 43.03 (0.5) | 11 08 43.03 | 11 08 43.03 (0.2) | 11 08 43.08 | 11 08 43.04 | ||||
| Declination | 31 23 56.11 (0.1) | 31 23 56.06 | 31 23 56.10 (0.3) | 31 23 56.11 | 31 23 56.05 (0.1) | 31 24 08.28 | 31 23 56.11 | ||||
| Spectral type | DA+M | DA | DA+M | DA5/A2 | DA+M | ||||||
| Effective temperature | [K] | 28064.0 (270) | 28770.0 (470) | 7912.0 (32) | |||||||
| log(g) | [cgs] | 7.98 (0.06) | 7.83 (0.06) | 6.30 (0.09) | |||||||
| Mass | [M☉] | 0.63 (0.03) | 0.56 (0.03) | ||||||||
| 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] | 3.79 (0.2) | 5.84 (0.5) | 3.79 (0.2) | |||||||
| Distance | [pc] | 263.58 (15) | 171.23 (15) | 1206.00 (177) | 239.00 | 263.58 (15) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.259349794 (0.2) | -0.416307726 (0.6) | -0.259 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 3.507195346 (0.2) | 4.483296892 (0.6) | 3.507 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | 16.70 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.14 (0.04) | ||||||||||
| H magnitude | 14.52 (0.04) | ||||||||||
| K magnitude | 14.43 (0.09) | ||||||||||
| u magnitude | 16.85 (0.008) | 16.88 | 16.85 (0.008) | 16.88 | 16.86 (0.02) | ||||||
| g magnitude | 16.98 (0.004) | 17.01 | 16.97 (0.004) | 17.00 | 16.99 (0.02) | ||||||
| r magnitude | 17.12 (0.005) | 17.15 | 17.12 (0.005) | 17.15 | 17.14 (0.01) | ||||||
| i magnitude | 16.71 (0.005) | 16.75 | 16.70 (0.005) | 16.75 | 16.75 (0.02) | ||||||
| z magnitude | 16.29 (0.009) | 16.33 | 16.29 (0.009) | 16.33 | 16.32 (0.02) | ||||||
| G magnitude | 17.32 (0.005) | 17.19 | 17.32 (0.004) | ||||||||
| BP magnitude | 17.02 (0.005) | 16.95 | |||||||||
| RP magnitude | 16.30 (0.007) | 16.32 | |||||||||
| Pan g magnitude | 17.02 (0.006) | ||||||||||
| Pan r magnitude | 17.15 (0.008) | ||||||||||
| Pan i magnitude | 16.76 (0.009) | ||||||||||
| Pan z magnitude | 16.41 (0.006) | ||||||||||
| Pan y magnitude | 16.19 (0.008) | ||||||||||
| E(B-V) | 0.016 | ||||||||||
* 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.