All names: Gaia DR2 2051056757426056704, WD 1917+369, TIC 394249315, Gaia DR3 2051056757426056704, SDSS J191911.34+370319.0, Gaia EDR3 2051056757426056704, SDSS J191911.33+370319.0, SDSS J191911.33+370318.9, WISE J191911.32+370318.7, 2MASS J19191135+3703191, WISEA J191911.32+370318.7
| 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 | 19 19 11.30 (0.2) | 19 19 11.34 | 19 19 11.30 (0.3) | 19 19 11.34 | 19 19 11.35 (0.2) | 19 19 11.33 | 19 19 11.34 | |||
| Declination | 37 03 18.50 (0.2) | 37 03 18.99 | 37 03 18.52 (0.4) | 37 03 19.01 | 37 03 19.09 (0.2) | 37 03 17.64 | 37 03 19.00 | |||
| Spectral type | DA+M | M3 | DA2.8+M3 | DA+M | ||||||
| Effective temperature | [K] | 17912.0 (609) | 6300.0 (3) | |||||||
| log(g) | [cgs] | 7.92 (0.1) | 5.00 (0.008) | |||||||
| Mass | [M☉] | 0.57 (0.07) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 3.18 (0.2) | 2.87 (0.4) | 3.18 (0.2) | ||||||
| Distance | [pc] | 314.20 (24) | 347.95 (49) | 454.00 (38) | 314.20 (24) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -39.10441041 (0.3) | -35.19259768 (0.7) | -39.104 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -37.12016809 (0.3) | -36.91344477 (0.8) | -37.12 (0.3) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | 14.74 (0.03) | |||||||||
| H magnitude | 14.12 (0.04) | |||||||||
| K magnitude | 13.93 (0.04) | |||||||||
| u magnitude | 19.06 (0.02) | 19.06 | 19.04 (0.02) | 19.04 | 19.06 (0.03) | |||||
| g magnitude | 18.41 (0.007) | 18.43 | 18.41 (0.007) | 18.41 | 18.43 (0.01) | |||||
| r magnitude | 17.74 (0.006) | 17.78 | 17.74 (0.006) | 17.74 | 17.78 (0.01) | |||||
| i magnitude | 16.67 (0.005) | 16.67 | 16.67 (0.005) | 16.67 | 16.67 (0.01) | |||||
| z magnitude | 16.01 (0.007) | 16.01 | 16.00 (0.007) | 16.00 | 16.01 (0.01) | |||||
| G magnitude | 17.49 (0.01) | 17.44 | 17.48 (0.004) | |||||||
| BP magnitude | 18.23 (0.01) | 18.23 | ||||||||
| RP magnitude | 16.25 (0.003) | 16.26 | ||||||||
| Pan g magnitude | 18.42 (0.01) | |||||||||
| Pan r magnitude | 17.82 (0.004) | |||||||||
| Pan i magnitude | 16.74 (0.004) | |||||||||
| Pan z magnitude | 16.19 (0.004) | |||||||||
| Pan y magnitude | 15.92 (0.006) | |||||||||
| E(B-V) | 0.028 | |||||||||
* 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.