All names: SDSS J104517.78-001833.7, Gaia EDR3 3806397762305314560, SDSS J104517.78-001833.9, WIRED J104517.77-001833.7, [HHD2009] SDSS J1045-0018, 2QZ J104517.7-001834, Gaia DR3 3806397762305314560, SDSS J104517.79-001833.9, TIC 62892461, WD 1042-000, [MMN2004c] WD J1045-0018, 2MASS J10451775-0018339, 2SLAQ J104517.79-001833.9, GALEX J104517.8-001833, Gaia DR2 3806397758009592192, LAMOST J104517.77-001833.7, SDSS J104517.77-001833.7, [SGR2010] J1045-0018, SDSS J104517.78-001833.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Mukadam et al. 2004 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 45 17.79 (0.2) | 10 45 17.78 | 10 45 17.79 (0.3) | 10 45 17.77 | 10 45 17.79 (0.2) | 10 45 17.78 | 10 45 16.68 | 10 45 17.78 | |||||
| Declination | -00 18 34.08 (0.2) | -00 18 33.87 | -00 18 34.07 (0.2) | -00 18 33.70 | -00 18 33.92 (0.2) | -00 18 33.87 | -00 18 29.52 | -00 18 33.71 | |||||
| Spectral type | DA+M | DA | DA+M4 | DA+M | DA+M | DA+M | |||||||
| Effective temperature | [K] | 17707.0 (335) | 18870.0 (370) | 9540.0 (40) | 9542.0 (42) | 9479.0 (43) | |||||||
| log(g) | [cgs] | 7.73 (0.08) | 7.82 (0.07) | 8.09 (0.06) | 8.09 (0.06) | 8.04 (0.05) | |||||||
| Mass | [M☉] | 0.48 (0.04) | 0.53 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0646 | |||||||||||
| 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] | 3.43 (0.2) | 3.95 (0.3) | 3.44 (0.2) | |||||||||
| Distance | [pc] | 291.12 (19) | 253.36 (20) | 34.00 (4) | 291.12 (19) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | 1.419066601 (0.2) | 1.938823041 (0.6) | 1.419 (0.2) | 3.5 | ||||||||
| Proper motion (declination) | [mas/yr] | -9.876859899 (0.2) | -9.068171451 (0.5) | -9.877 (0.2) | -8.2 | ||||||||
| Variability | NOV | ||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.90 (0.008) | ||||||||||||
| H magnitude | 15.37 (0.01) | ||||||||||||
| K magnitude | 15.07 (0.01) | ||||||||||||
| u magnitude | 18.49 (0.02) | 18.49 | 18.52 (0.01) | 18.49 (0.03) | 18.52 | 18.52 (0.03) | |||||||
| g magnitude | 18.32 (0.007) | 18.36 | 18.36 | 18.32 (0.007) | 18.36 (0.01) | 18.36 | 18.36 (0.01) | ||||||
| r magnitude | 18.44 (0.008) | 18.51 | 18.43 (0.008) | 18.51 (0.02) | 18.50 | 18.50 (0.02) | |||||||
| i magnitude | 17.90 (0.008) | 17.96 | 17.91 (0.008) | 17.96 (0.01) | 17.97 | 17.97 (0.02) | |||||||
| z magnitude | 17.30 (0.02) | 17.34 | 17.27 (0.01) | 17.34 (0.02) | 17.32 | 17.34 (0.02) | |||||||
| G magnitude | 18.59 (0.03) | 18.54 | 18.59 (0.005) | ||||||||||
| BP magnitude | 18.38 (0.03) | 18.38 | |||||||||||
| RP magnitude | 17.48 (0.03) | 17.45 | |||||||||||
| Pan g magnitude | 18.37 (0.005) | ||||||||||||
| Pan r magnitude | 18.47 (0.01) | ||||||||||||
| Pan i magnitude | 17.97 (0.01) | ||||||||||||
| Pan z magnitude | 17.52 (0.01) | ||||||||||||
| Pan y magnitude | 17.18 (0.01) | ||||||||||||
| E(B-V) | 0.025 | ||||||||||||
* 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.