All names: LAMOST J234131.08+003749.5, SDSS J234131.09+003749.5, Gaia DR3 2643001274844459776, WIRED J234131.08+003749.5, Gaia DR2 2643001274844459776, 2MASS J23413107+0037498, WD 2338+003, GALEX J234131.0+003749, SDSS J234131.08+003749.5, TIC 419936042, [HHD2009] SDSS J2341+0037, Gaia EDR3 2643001274844459776, SDSS J234131.09+003749.2
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 41 31.09 (0.3) | 23 41 31.09 | 23 41 31.10 (0.3) | 23 41 31.09 | 23 41 30.72 | 23 41 31.09 | |||
| Declination | 00 37 48.82 (0.3) | 00 37 49.26 | 00 37 49.37 (0.3) | 00 37 49.27 | 00 37 50.52 | 00 37 49.52 | |||
| Spectral type | DA+dMe | DA+M | DA+DM | DA+M | |||||
| Effective temperature | [K] | 6300.0 (1) | 6300.0 (2) | ||||||
| log(g) | [cgs] | 8.48 (0.3) | 5.25 (0.3) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.14 (0.3) | 1.14 (0.3) | ||||||
| Distance | [pc] | 880.48 (267) | 880.51 (267) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -9.913074504 (0.5) | -9.913 (0.5) | -8.8 | |||||
| Proper motion (declination) | [mas/yr] | -34.52877003 (0.3) | -34.529 (0.3) | -36.2 | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | WDMS | ||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.52 (0.02) | ||||||||
| H magnitude | 16.01 (0.02) | ||||||||
| K magnitude | 15.78 (0.02) | ||||||||
| u magnitude | 20.66 (0.06) | 20.60 (0.06) | 20.61 (0.06) | 20.64 | 20.60 (0.06) | ||||
| g magnitude | 19.88 (0.02) | 19.91 (0.02) | 19.97 (0.02) | 19.97 | 19.96 (0.02) | ||||
| r magnitude | 19.13 (0.01) | 19.14 (0.01) | 19.18 (0.02) | 19.20 | 19.16 (0.02) | ||||
| i magnitude | 18.28 (0.01) | 18.30 (0.01) | 18.36 (0.02) | 18.34 | 18.34 (0.02) | ||||
| z magnitude | 17.76 (0.02) | 17.77 (0.02) | 17.82 (0.02) | 17.81 | 17.78 (0.02) | ||||
| G magnitude | 19.05 (0.05) | 19.05 (0.008) | |||||||
| BP magnitude | 19.72 (0.05) | ||||||||
| RP magnitude | 17.91 (0.02) | ||||||||
| Pan g magnitude | 19.89 (0.02) | ||||||||
| Pan r magnitude | 19.19 (0.01) | ||||||||
| Pan i magnitude | 18.34 (0.005) | ||||||||
| Pan z magnitude | 17.89 (0.009) | ||||||||
| Pan y magnitude | 17.68 (0.01) | ||||||||
| E(B-V) | 0.037 | ||||||||
* 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.