All names: uvby98 620022025, GEN# +6.20022025, 2MASS J19393895-7601172, Gaia DR2 6366357356311508096, JL 25, Gaia DR3 6366357356311508096, GSC 09459-01325, UBV M 43544, JL25, TIC 404191990, EC 19329-7608
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 39 38.79 | 19 39 38.97 (0.06) | ||
| Declination | -76 01 16.53 | -76 01 17.23 (0.08) | ||
| 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] | 1.06 (0.1) | 1.68 (0.09) | |
| Distance | [pc] | 941.00 (90) | 595.13 (33) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.041 (0.1) | 8.893 (0.08) | |
| Proper motion (declination) | [mas/yr] | -17.337 (0.2) | -19.593 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.14 | |||
| V magnitude | 13.34 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.26 (0.03) | 13.26 (0.03) | ||
| H magnitude | 13.02 (0.04) | 13.02 (0.04) | ||
| K magnitude | 12.87 (0.03) | 12.87 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.27 (0.0005) | 13.26 (0.003) | ||
| BP magnitude | 13.12 (0.007) | |||
| RP magnitude | 13.38 (0.001) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.065 | |||
* 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.