All names: 2MASS J23415464+0838529, Gaia DR3 2759603005501319168, SDSS J234154.64+083852.9, TIC 258638324, Gaia DR2 2759603005501319168, WD 2339+083, SDSS J234154.64+083853.0, Gaia EDR3 2759603005501319168, [SGR2010] J2341+0838, GALEX J234154.5+083853
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 23 41 54.64 (0.1) | 23 41 54.65 | 23 41 54.64 (0.2) | 23 41 54.65 (0.1) | 23 41 53.93 | |||
| Declination | 08 38 52.85 (0.08) | 08 38 52.97 | 08 38 52.85 (0.1) | 08 38 53.06 (0.08) | 08 38 50.64 | |||
| Spectral type | DA+M2 | DA+M2 | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.86 (0.1) | 1.54 (0.2) | 1.86 (0.1) | ||||
| Distance | [pc] | 536.61 (38) | 647.27 (92) | 536.60 (38) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -11.19127112 (0.2) | -11.74724562 (0.4) | -11.191 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -13.07404525 (0.09) | -13.09590998 (0.2) | -13.074 (0.09) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.38 (0.08) | |||||||
| H magnitude | 14.73 (0.09) | |||||||
| K magnitude | 14.37 (0.07) | |||||||
| u magnitude | 20.77 (0.07) | 20.71 (0.09) | 20.71 | |||||
| g magnitude | 19.53 (0.01) | 19.53 (0.01) | 19.53 | |||||
| r magnitude | 18.37 (0.008) | 18.40 (0.008) | 18.40 | |||||
| i magnitude | 17.37 (0.006) | 17.37 (0.006) | 17.37 | |||||
| z magnitude | 16.78 (0.01) | 16.79 (0.01) | 16.79 | |||||
| G magnitude | 17.96 (0.03) | 17.99 | 17.96 (0.003) | |||||
| BP magnitude | 19.08 (0.03) | 19.02 | ||||||
| RP magnitude | 16.91 (0.007) | 16.90 | ||||||
| Pan g magnitude | 19.33 (0.01) | |||||||
| Pan r magnitude | 18.29 (0.008) | |||||||
| Pan i magnitude | 17.33 (0.003) | |||||||
| Pan z magnitude | 16.84 (0.003) | |||||||
| Pan y magnitude | 16.59 (0.008) | |||||||
| E(B-V) | 0.087 | |||||||
* 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.