All names: Gaia DR2 3686109644038386688, TIC 82089284, 2MASS J13080465-0040318, SDSS J130804.66-004031.6, WD 1305-004, Gaia EDR3 3686109644038386688, Gaia DR3 3686109644038386688, WISE J130804.63-004032.0, WISEA J130804.63-004032.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 08 04.65 (0.1) | 13 08 04.66 | 13 08 04.65 (0.2) | 13 08 04.66 | 13 08 04.66 (0.1) | 13 08 03.94 | |||
| Declination | -00 40 32.05 (0.09) | -00 40 31.65 | -00 40 32.04 (0.1) | -00 40 31.66 | -00 40 31.79 (0.09) | -00 40 30.00 | |||
| Spectral type | WD+M | M1V | WD+M1 | ||||||
| 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] | 1.45 (0.2) | 1.53 (0.2) | 1.45 (0.2) | |||||
| Distance | [pc] | 688.89 (75) | 654.48 (93) | 688.90 (75) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -8.406410125 (0.2) | -8.375364468 (0.5) | -8.406 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | -16.35011143 (0.1) | -16.24949727 (0.2) | -16.35 (0.1) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | yes | |||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.73 (0.08) | ||||||||
| H magnitude | 14.89 (0.08) | ||||||||
| K magnitude | 14.68 (0.1) | ||||||||
| u magnitude | 20.08 (0.04) | 20.10 | 20.08 (0.04) | 20.05 | |||||
| g magnitude | 19.07 (0.01) | 19.17 | 19.07 (0.01) | 19.06 | |||||
| r magnitude | 17.99 (0.007) | 18.07 | 17.99 (0.007) | 17.98 | |||||
| i magnitude | 17.21 (0.005) | 17.26 | 17.21 (0.005) | 17.20 | |||||
| z magnitude | 16.78 (0.009) | 16.82 | 16.78 (0.009) | 16.77 | |||||
| G magnitude | 17.97 (0.03) | 17.99 | 17.97 (0.003) | ||||||
| BP magnitude | 18.77 (0.03) | 18.69 | |||||||
| RP magnitude | 16.88 (0.007) | 16.87 | |||||||
| Pan g magnitude | 19.11 (0.02) | ||||||||
| Pan r magnitude | 18.11 (0.02) | ||||||||
| Pan i magnitude | 17.28 (0.006) | ||||||||
| Pan z magnitude | 16.93 (0.006) | ||||||||
| Pan y magnitude | 16.76 (0.007) | ||||||||
| E(B-V) | 0.023 | ||||||||
* 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.