All names: Gaia EDR3 3715747010032368384, WD 1318+042, SDSS J132117.66+040019.9, Gaia DR2 3715747010032368384, WIRED J132117.66+040019.8, WISE J132117.63+040020.2, [HHD2009] SDSS J1321+0400, SDSS J132117.66+040019.8, WISEA J132117.61+040020.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | sdss-wdms.org (29/04/2016) | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 21 17.64 (2) | 13 21 17.66 | 13 21 17.64 (2) | 13 21 17.66 | 13 21 17.66 | 13 21 17.66 | 13 21 17.11 | 13 21 17.66 | ||
| Declination | 04 00 20.30 (1) | 04 00 19.89 | 04 00 20.28 (1) | 04 00 19.80 | 04 00 19.89 | 04 00 19.90 | 04 00 18.36 | 04 00 19.89 | ||
| Spectral type | DA+M | DA+M | DA+M | DA dM | DA+M | |||||
| Effective temperature | [K] | 17505.0 (1199) | 7349.0 (102) | 7075.0 (106) | ||||||
| log(g) | [cgs] | 8.00 (0.3) | 7.05 (0.3) | 7.50 (0.2) | ||||||
| Mass | [M☉] | 0.62 (0.2) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | |||||||||
| Distance | [pc] | |||||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -25.0 (4) | -18.5 | |||||||
| Proper motion (declination) | [mas/yr] | 40.0 (4) | 41.0 | |||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.70 (0.03) | 19.72 | 19.70 (0.03) | 19.72 (0.04) | 19.72 | 19.70 (0.04) | ||||
| g magnitude | 19.47 (0.01) | 19.48 | 19.47 (0.01) | 19.48 (0.02) | 19.48 | 19.49 (0.02) | ||||
| r magnitude | 19.46 (0.02) | 19.52 | 19.46 (0.02) | 19.52 (0.02) | 19.52 | 19.52 (0.02) | ||||
| i magnitude | 18.96 (0.01) | 19.02 | 18.96 (0.01) | 19.02 (0.02) | 19.02 | 19.03 (0.02) | ||||
| z magnitude | 18.40 (0.03) | 18.44 | 18.40 (0.03) | 18.44 (0.03) | 18.44 | 18.43 (0.03) | ||||
| G magnitude | 19.69 (0.05) | 19.70 | ||||||||
| BP magnitude | 19.57 (0.05) | 19.54 | ||||||||
| RP magnitude | 18.59 (0.06) | 18.51 | ||||||||
| Pan g magnitude | 19.50 (0.01) | |||||||||
| Pan r magnitude | 19.54 (0.01) | |||||||||
| Pan i magnitude | 18.99 (0.007) | |||||||||
| Pan z magnitude | 18.55 (0.01) | |||||||||
| Pan y magnitude | 18.33 (0.01) | |||||||||
| E(B-V) | ||||||||||
* 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.