All names: 2MASS J19191687+6214327, Gaia DR2 2240372829856224512, SDSS J191916.88+621432.9, Gaia DR3 2240372829856224512, GALEX J191916.9+621432, Gaia EDR3 2240372829856224512, TIC 229968791
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 19 16.88 (0.1) | 19 19 16.88 | 19 19 16.88 (0.2) | 19 19 16.88 | 19 19 16.88 (0.1) | 19 19 16.88 | |||
| Declination | 62 14 33.09 (0.1) | 62 14 32.94 | 62 14 33.08 (0.2) | 62 14 32.93 | 62 14 32.92 (0.1) | 62 14 32.94 | |||
| Spectral type | WD+M | DA | DA:M | ||||||
| Effective temperature | [K] | 6300.0 (1) | |||||||
| log(g) | [cgs] | 8.40 (0.1) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 1.86 (0.1) | 1.65 (0.2) | 1.86 (0.1) | |||||
| Distance | [pc] | 537.11 (43) | 606.48 (76) | 537.11 (43) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -1.646824457 (0.2) | -1.169899401 (0.4) | -1.647 (0.2) | |||||
| Proper motion (declination) | [mas/yr] | 10.77607425 (0.2) | 11.03391195 (0.4) | 10.776 (0.2) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | ||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 15.91 (0.08) | ||||||||
| H magnitude | 15.28 (0.09) | ||||||||
| K magnitude | 15.03 (0.1) | ||||||||
| u magnitude | 20.78 (0.08) | 20.76 | 20.76 (0.1) | 20.76 (0.1) | |||||
| g magnitude | 19.91 (0.02) | 19.91 | 19.91 (0.02) | 19.91 (0.02) | |||||
| r magnitude | 19.05 (0.01) | 19.05 | 19.05 (0.02) | 19.05 (0.02) | |||||
| i magnitude | 18.01 (0.008) | 18.03 | 18.03 (0.01) | 18.03 (0.01) | |||||
| z magnitude | 17.30 (0.01) | 17.30 | 17.30 (0.02) | 17.30 (0.02) | |||||
| G magnitude | 18.60 (0.05) | 18.63 | 18.60 (0.003) | ||||||
| BP magnitude | 19.65 (0.05) | 19.71 | |||||||
| RP magnitude | 17.55 (0.02) | 17.54 | |||||||
| Pan g magnitude | 19.81 (0.01) | ||||||||
| Pan r magnitude | 19.07 (0.008) | ||||||||
| Pan i magnitude | 18.00 (0.007) | ||||||||
| Pan z magnitude | 17.43 (0.009) | ||||||||
| Pan y magnitude | 17.16 (0.01) | ||||||||
| E(B-V) | 0.047 | ||||||||
* 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.