All names: Gaia DR3 2240323111314621056, 2MASS J19230601+6203109, TIC 230002808, Gaia DR2 2240323111314621056, Gaia EDR3 2240323111314621056, WD 1922+619, SDSS J192306.00+620310.7, SDSS J192306.01+620310.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 23 06.01 (0.09) | 19 23 06.01 | 19 23 06.01 (0.1) | 19 23 06.02 (0.09) | 19 23 05.23 | |||
| Declination | 62 03 10.64 (0.09) | 62 03 10.71 | 62 03 10.64 (0.1) | 62 03 10.71 (0.09) | 62 03 06.12 | |||
| Spectral type | M1+DA | DA:3.5+M | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.36 (0.1) | 1.30 (0.1) | 1.36 (0.1) | ||||
| Distance | [pc] | 732.71 (51) | 768.11 (68) | 732.71 (51) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -4.047697481 (0.1) | -4.298625497 (0.2) | -4.048 (0.1) | ||||
| Proper motion (declination) | [mas/yr] | -4.124773126 (0.1) | -3.929525035 (0.2) | -4.125 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.42 (0.06) | |||||||
| H magnitude | 14.85 (0.07) | |||||||
| K magnitude | 14.57 (0.1) | |||||||
| u magnitude | 20.38 (0.06) | 20.38 (0.07) | 20.38 | |||||
| g magnitude | 19.17 (0.01) | 19.17 (0.01) | 19.17 | |||||
| r magnitude | 18.09 (0.007) | 18.09 (0.007) | 18.08 | |||||
| i magnitude | 17.28 (0.006) | 17.28 (0.005) | 17.28 | |||||
| z magnitude | 16.80 (0.01) | 16.83 (0.009) | 16.83 | |||||
| G magnitude | 17.87 (0.02) | 17.89 | 17.87 (0.003) | |||||
| BP magnitude | 18.82 (0.02) | 18.78 | ||||||
| RP magnitude | 16.89 (0.009) | 16.88 | ||||||
| Pan g magnitude | 19.04 (0.006) | |||||||
| Pan r magnitude | 18.12 (0.008) | |||||||
| Pan i magnitude | 17.29 (0.003) | |||||||
| Pan z magnitude | 16.89 (0.005) | |||||||
| Pan y magnitude | 16.70 (0.01) | |||||||
| E(B-V) | 0.054 | |||||||
* 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.