All names: TIC 138185791, Gaia EDR3 1478799884746587264, 2MASS J14081683+3314489, SDSS J140816.84+331448.5, WD 1406+334, Gaia DR2 1478799884746587264, Gaia DR3 1478799884746587264, GALEX J140816.8+331448, SDSS J140816.84+331448.4
| 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) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 08 16.84 (0.2) | 14 08 16.84 | 14 08 16.84 (0.1) | 14 08 16.84 | 14 08 16.85 (0.2) | 14 08 16.58 | 14 08 16.84 | |||
| Declination | 33 14 47.84 (0.2) | 33 14 48.48 | 33 14 47.87 (0.2) | 33 14 48.41 | 33 14 48.69 (0.2) | 33 14 42.36 | 33 14 48.47 | |||
| Spectral type | DA+M | DA+M | DA M | DA+M | ||||||
| Effective temperature | [K] | 6300.0 (3) | ||||||||
| log(g) | [cgs] | 10.00 (0.003) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.86 (0.3) | 4.40 (0.3) | 3.86 (0.3) | ||||||
| Distance | [pc] | 259.15 (19) | 227.33 (14) | 381.00 (38) | 259.15 (19) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.549498981 (0.1) | -9.886428729 (0.2) | -8.549 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | -53.04950382 (0.2) | -53.31570853 (0.4) | -53.05 (0.2) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | ||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.49 (0.03) | |||||||||
| H magnitude | 13.91 (0.04) | |||||||||
| K magnitude | 13.71 (0.04) | |||||||||
| u magnitude | 19.91 (0.03) | 19.97 | 19.96 (0.04) | 19.96 | 19.95 (0.04) | |||||
| g magnitude | 18.99 (0.01) | 19.02 | 19.02 (0.01) | 19.01 | 19.00 (0.02) | |||||
| r magnitude | 18.18 (0.007) | 18.21 | 18.18 (0.007) | 18.20 | 18.19 (0.02) | |||||
| i magnitude | 16.82 (0.005) | 16.85 | 16.82 (0.005) | 16.84 | 16.83 (0.01) | |||||
| z magnitude | 15.98 (0.007) | 15.99 | 15.98 (0.007) | 15.98 | 15.99 (0.02) | |||||
| G magnitude | 17.65 (0.02) | 17.60 | 17.65 (0.004) | |||||||
| BP magnitude | 18.72 (0.02) | 18.75 | ||||||||
| RP magnitude | 16.26 (0.005) | 16.27 | ||||||||
| Pan g magnitude | 18.87 (0.01) | |||||||||
| Pan r magnitude | 18.15 (0.01) | |||||||||
| Pan i magnitude | 16.81 (0.009) | |||||||||
| Pan z magnitude | 16.09 (0.005) | |||||||||
| Pan y magnitude | 15.75 (0.004) | |||||||||
| E(B-V) | 0.018 | |||||||||
* 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.