All names: Gaia EDR3 1421327896563358848, WISE J173734.31+561223.2, SDSS J173734.38+561224.4, [HHD2009] SDSS J1737+5612, TIC 320500963, 2MASS J17373433+5612246, WIRED J173734.42+561224.8, SDSS J173734.39+561224.7, SDSS J173734.38+561224.7, WISEA J173734.30+561223.1, SDSS J173734.42+561224.9, WD 1736+562, SDSS J173734.42+561224.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 17 37 34.36 (0.5) | 17 37 34.38 | 17 37 34.38 | 17 37 34.39 | 17 37 33.41 | 17 37 34.42 | ||||
| Declination | 56 12 22.68 (0.6) | 56 12 24.43 | 56 12 24.43 | 56 12 24.74 | 56 12 20.16 | 56 12 24.88 | ||||
| Spectral type | DA | DA+dMe | DA+M | DA+M | DA+M | |||||
| Effective temperature | [K] | 22160.0 (830) | 8690.0 (49) | 8529.0 (64) | ||||||
| log(g) | [cgs] | 7.74 (0.1) | 8.11 (0.08) | 7.63 (0.1) | ||||||
| Mass | [M☉] | 0.5 (0.06) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0309 | ||||||||
| 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] | 4.21 (0.6) | ||||||||
| Distance | [pc] | 237.70 (33) | ||||||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | -37.91673664 (0.6) | -34.0 (3) | -34.6 | ||||||
| Proper motion (declination) | [mas/yr] | -139.8870568 (0.8) | -144.0 (3) | -146.7 | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 16.56 (0.1) | |||||||||
| H magnitude | 15.77 (0.2) | |||||||||
| K magnitude | 16.06 (0.04) | |||||||||
| u magnitude | 18.82 (0.02) | 18.82 (0.02) | 18.88 (0.03) | 18.89 | 18.89 (0.03) | |||||
| g magnitude | 18.63 (0.007) | 18.63 (0.007) | 18.67 (0.02) | 18.67 | 18.67 (0.02) | |||||
| r magnitude | 18.48 (0.008) | 18.48 (0.008) | 18.58 (0.02) | 18.59 | 18.58 (0.02) | |||||
| i magnitude | 18.07 (0.008) | 18.07 (0.008) | 18.17 (0.02) | 18.18 | 18.19 (0.02) | |||||
| z magnitude | 17.73 (0.02) | 17.73 (0.02) | 17.82 (0.03) | 17.83 | 17.81 (0.03) | |||||
| G magnitude | 18.96 (0.03) | |||||||||
| BP magnitude | 18.73 (0.03) | |||||||||
| RP magnitude | 17.81 (0.02) | |||||||||
| Pan g magnitude | 18.68 (0.005) | |||||||||
| Pan r magnitude | 18.62 (0.009) | |||||||||
| Pan i magnitude | 18.22 (0.01) | |||||||||
| Pan z magnitude | 17.92 (0.01) | |||||||||
| Pan y magnitude | 17.75 (0.01) | |||||||||
| E(B-V) | 0.021 | |||||||||
* 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.