All names: 2MASS J23194861+4933565, Gaia DR2 1942735689352706560, WISEA J231948.61+493356.7, TIC 24788363, UCAC2 48063890, WISE J231948.60+493356.7, UCAC4 698-125298, Gaia DR3 1942735689352706560, GALEXJ23198+4933, Gaia EDR3 1942735689352706560, GALEX J231948.9+493356
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 19 48.63 (0.02) | 23 19 48.94 | 23 19 48.63 (0.02) | ||
| Declination | 49 33 56.61 (0.02) | 49 33 56.87 | 49 33 56.65 (0.02) | ||
| Spectral type | sdOB | sdOB | |||
| 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] | 1.17 (0.03) | 1.21 (0.05) | 1.17 (0.03) | |
| Distance | [pc] | 854.12 (23) | 829.46 (32) | 854.12 (23) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -0.086 (0.03) | -0.054 (0.07) | -0.086 (0.03) | |
| Proper motion (declination) | [mas/yr] | -2.435 (0.03) | -2.458 (0.06) | -2.435 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.60 (0.02) | ||||
| V magnitude | 14.75 (0.01) | ||||
| R magnitude | 15.02 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.23 (0.05) | 15.23 (0.05) | |||
| H magnitude | 15.25 (0.1) | 15.25 (0.1) | |||
| K magnitude | 15.23 (0.1) | 15.23 (0.1) | |||
| u magnitude | |||||
| g magnitude | 14.60 (0.01) | ||||
| r magnitude | 14.95 (0.01) | ||||
| i magnitude | 15.29 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 14.74 (0.003) | 14.76 (0.0005) | 14.74 (0.003) | ||
| BP magnitude | 14.64 (0.003) | 14.59 (0.005) | |||
| RP magnitude | 14.94 (0.004) | 14.94 (0.002) | |||
| Pan g magnitude | 14.63 (0.002) | ||||
| Pan r magnitude | 14.97 (0.002) | ||||
| Pan i magnitude | 15.29 (0.002) | ||||
| Pan z magnitude | 15.53 (0.002) | ||||
| Pan y magnitude | 15.69 (0.007) | ||||
| E(B-V) | 0.097 | ||||
* 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.