All names: SDSS J080524.40+232411.7, Gaia EDR3 680281832815398784, Gaia DR2 680281832815398784, SDSS J080524.40+232411.6, Gaia DR3 680281832815398784, WD 0802+235, TIC 284849737, LAMOST J080524.40+232411.6, 2MASS J08052439+2324117, [SGR2010] J0805+2324
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 05 24.41 (0.07) | 08 05 24.40 | 08 05 24.41 (0.07) | 08 05 24.40 | 08 05 24.40 (0.07) | 08 05 24.62 | ||
| Declination | 23 24 11.53 (0.05) | 23 24 11.66 | 23 24 11.54 (0.05) | 23 24 11.59 | 23 24 11.70 (0.05) | 23 24 06.12 | ||
| Spectral type | DA+M | D+dM1 | DA1.7 M | |||||
| Effective temperature | [K] | 28718.0 (1096) | ||||||
| log(g) | [cgs] | 8.07 (0.2) | ||||||
| Mass | [M☉] | 0.68 (0.1) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.46 (0.08) | 1.96 (0.1) | 1.46 (0.08) | ||||
| Distance | [pc] | 683.85 (39) | 509.67 (25) | 683.85 (39) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 10.76191292 (0.09) | 11.90284861 (0.2) | 10.762 (0.09) | ||||
| Proper motion (declination) | [mas/yr] | -10.31365997 (0.06) | -9.949248438 (0.09) | -10.314 (0.06) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.59 (0.002) | |||||||
| H magnitude | 13.96 (0.04) | |||||||
| K magnitude | 13.72 (0.04) | |||||||
| u magnitude | 18.60 (0.02) | 18.64 | 18.58 (0.02) | 18.63 | ||||
| g magnitude | 17.75 (0.005) | 17.82 | 17.79 (0.005) | 17.81 | ||||
| r magnitude | 16.78 (0.004) | 16.85 | 16.86 (0.004) | 16.85 | ||||
| i magnitude | 16.17 (0.004) | 16.24 | 16.25 (0.004) | 16.24 | ||||
| z magnitude | 15.82 (0.006) | 15.84 | 15.84 (0.006) | 15.84 | ||||
| G magnitude | 16.69 (0.01) | 16.70 | 16.69 (0.003) | |||||
| BP magnitude | 17.42 (0.01) | 17.42 | ||||||
| RP magnitude | 15.81 (0.005) | 15.82 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| 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.