All names: GALEXJ19244+5305, UCAC4 716-063138, 2MASS J19242961+5305541, WISEA J192429.60+530554.2, TIC 350735993, Gaia DR3 2139791773889873280, WISE J192429.60+530554.1, GALEX J192429.7+530554, Gaia DR2 2139791773889873280, Gaia EDR3 2139791773889873280
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 24 29.61 (0.03) | 19 24 29.73 | 19 24 29.62 (0.03) | ||
| Declination | 53 05 54.08 (0.03) | 53 05 54.13 | 53 05 54.19 (0.03) | ||
| Spectral type | sdO | sdO | |||
| 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] | 1.28 (0.03) | 1.27 (0.04) | 1.28 (0.03) | |
| Distance | [pc] | 779.61 (18) | 785.61 (25) | 779.61 (18) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -2.151 (0.04) | -2.377 (0.1) | -2.151 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.474 (0.04) | -6.779 (0.09) | -6.474 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.02 (0.1) | ||||
| V magnitude | 14.03 (0.02) | ||||
| R magnitude | 14.34 (0.08) | ||||
| I magnitude | |||||
| J magnitude | 14.86 (0.04) | 14.86 (0.04) | |||
| H magnitude | 14.93 (0.08) | 14.93 (0.08) | |||
| K magnitude | 15.03 (0.1) | 15.03 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.95 (0.1) | ||||
| r magnitude | 14.29 (0.04) | ||||
| i magnitude | 14.66 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 14.00 (0.003) | 14.01 (0.0007) | 14.00 (0.003) | ||
| BP magnitude | 13.83 (0.003) | 13.75 (0.007) | |||
| RP magnitude | 14.35 (0.004) | 14.35 (0.002) | |||
| Pan g magnitude | 13.85 (0.001) | ||||
| Pan r magnitude | 14.31 (0.001) | ||||
| Pan i magnitude | 14.70 (0.002) | ||||
| Pan z magnitude | 15.00 (0.003) | ||||
| Pan y magnitude | 15.20 (0.005) | ||||
| E(B-V) | 0.040 | ||||
* 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.