All names: TIC 207390138, Gaia DR3 1249491473435941120, WIRED J133722.73+202854.9, SDSS J133722.73+202854.9, 2MASS J13372274+2028547, SDSS J133722.74+202855.0, SDSS J133722.74+202854.9, Gaia DR2 1249491473435941120, GALEX J133722.7+202855, LAMOST J133722.73+202854.9, Gaia EDR3 1249491473435941120, SDSS J133722.72+202855.0
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 37 22.71 (0.1) | 13 37 22.74 | 13 37 22.71 (0.1) | 13 37 22.74 | 13 37 22.74 (0.1) | 13 37 22.74 | |||||
| Declination | 20 28 55.21 (0.08) | 20 28 54.95 | 20 28 55.19 (0.1) | 20 28 54.95 | 20 28 54.82 (0.08) | 20 28 54.96 | |||||
| Spectral type | DA+M | DA+M | DA+M | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 21785.0 (649) | 9016.0 (55) | ||||||||
| log(g) | [cgs] | 7.73 (0.1) | 8.32 (0.08) | ||||||||
| Mass | [M☉] | 0.49 (0.05) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 2.43 (0.2) | 2.22 (0.2) | 2.43 (0.2) | |||||||
| Distance | [pc] | 411.35 (26) | 450.93 (37) | 469.00 (32) | 411.35 (26) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -29.40005415 (0.2) | -28.8298845 (0.3) | -29.4 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | 24.23169269 (0.1) | 23.84889722 (0.2) | 24.232 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.06 (0.09) | ||||||||||
| H magnitude | 15.45 (0.1) | ||||||||||
| K magnitude | 15.31 (0.2) | ||||||||||
| u magnitude | 18.30 (0.01) | 18.33 | 18.30 (0.01) | 18.33 (0.02) | |||||||
| g magnitude | 18.37 (0.007) | 18.44 | 18.37 (0.007) | 18.44 (0.02) | |||||||
| r magnitude | 18.56 (0.009) | 18.60 | 18.56 (0.009) | 18.60 (0.02) | |||||||
| i magnitude | 18.10 (0.008) | 18.14 | 18.10 (0.008) | 18.14 (0.02) | |||||||
| z magnitude | 17.60 (0.01) | 17.61 | 17.60 (0.01) | 17.61 (0.02) | |||||||
| G magnitude | 18.18 (0.01) | 18.19 | 18.18 (0.003) | ||||||||
| BP magnitude | 18.41 (0.01) | 18.37 | |||||||||
| RP magnitude | 17.61 (0.009) | 17.61 | |||||||||
| Pan g magnitude | 18.35 (0.004) | ||||||||||
| Pan r magnitude | 18.48 (0.008) | ||||||||||
| Pan i magnitude | 18.05 (0.003) | ||||||||||
| Pan z magnitude | 17.63 (0.002) | ||||||||||
| Pan y magnitude | 17.36 (0.01) | ||||||||||
| E(B-V) | 0.024 | ||||||||||
* 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.