All names: KIC10149211, 2MASS J19391830+4708548, EQ J1939.3+4708, Gaia DR3 2128554563197280512, Gaia DR2 2128554563197280512, KIC 10149211, Gaia EDR3 2128554249660164480, LAMOST J193918.30+470854.8, TIC 271252964
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 39 27.37 (0.4) | 19 39 18.31 | 19 39 18.30 (0.03) | ||
| Declination | 47 10 08.05 (0.4) | 47 08 54.82 | 47 08 54.76 (0.03) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 31044.0 (303) | |||
| log(g) | [cgs] | 5.81 (0.06) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.05 (0.4) | 0.59 (0.04) | 0.65 (0.03) | |
| Distance | [pc] | 955.93 (380) | 1696.07 (128) | 1549.91 (81) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.011 (0.5) | 6.262 (0.09) | 5.66 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.76 (0.5) | -12.747 (0.09) | -12.725 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.30 (0.05) | 15.30 (0.05) | |||
| H magnitude | 14.96 (0.07) | 14.96 (0.07) | |||
| K magnitude | 14.87 (0.1) | 14.87 (0.1) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 20.23 (0.006) | 15.40 (0.0007) | 15.39 (0.003) | ||
| BP magnitude | 20.55 (0.07) | 15.28 (0.009) | |||
| RP magnitude | 19.73 (0.08) | 15.47 (0.003) | |||
| Pan g magnitude | 15.30 (0.003) | ||||
| Pan r magnitude | 15.60 (0.002) | ||||
| Pan i magnitude | 15.80 (0.005) | ||||
| Pan z magnitude | 15.94 (0.003) | ||||
| Pan y magnitude | 16.01 (0.004) | ||||
| E(B-V) | 0.062 | ||||
* 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.