All names: Gaia DR2 6448307561405485184, UCAC4 167-200663, EC 19470-5655, TIC 320688368, 2MASS J19510743-5647572, Gaia DR3 6448307561405485184, Gaia EDR3 6448307600060884864, EC19470-5655
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 51 09.47 (0.7) | 19 51 07.48 | 19 51 07.43 (0.03) | ||
| Declination | -56 47 39.96 (0.5) | -56 47 57.66 | -56 47 57.22 (0.03) | ||
| Spectral type | sdB | sdB | |||
| 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] | 2.30 (0.9) | 0.34 (0.06) | 0.43 (0.04) | |
| Distance | [pc] | 434.10 (175) | 2973.54 (501) | 2321.26 (221) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -7.228 (0.9) | -1.183 (0.08) | -0.869 (0.03) | |
| Proper motion (declination) | [mas/yr] | -5.878 (0.6) | -4.586 (0.07) | -4.442 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.92 (0.04) | ||||
| V magnitude | 15.74 (0.01) | ||||
| R magnitude | 16.08 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 15.35 (0.04) | 15.35 (0.04) | |||
| H magnitude | 15.14 (0.07) | 15.14 (0.07) | |||
| K magnitude | 15.07 (0.1) | 15.07 (0.1) | |||
| u magnitude | |||||
| g magnitude | 15.87 (0.01) | ||||
| r magnitude | 15.95 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.47 (0.008) | 15.71 (0.0008) | 15.69 (0.003) | ||
| BP magnitude | 20.65 (0.1) | 15.69 (0.006) | |||
| RP magnitude | 20.00 (0.09) | 15.59 (0.003) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.036 | ||||
* 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.