All names: 2MASS J19084582+4238311, TIC 158425875, Gaia DR3 2102571625963609472, FBS1907+425, KIC 7104168, Gaia EDR3 2102571625963609472, Gaia DR2 2102571625963609472, FBS 1907+425, FBS B 401
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 19 08 45.79 (0.03) | 19 08 45.94 | 19 08 45.82 (0.03) | ||
Declination | 42 38 30.75 (0.03) | 42 38 32.50 | 42 38 31.05 (0.03) | ||
Spectral type | sd | 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] | 0.77 (0.04) | 0.58 (0.04) | 0.77 (0.04) | |
Distance | [pc] | 1301.07 (61) | 1723.25 (131) | 1301.07 (61) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | -23.169 (0.04) | -22.891 (0.1) | -23.169 (0.04) | |
Proper motion (declination) | [mas/yr] | -18.959 (0.04) | -18.548 (0.08) | -18.959 (0.04) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | 15.24 | ||||
V magnitude | 15.36 | ||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 15.90 (0.07) | 15.90 (0.07) | |||
H magnitude | 16.05 (0.2) | 16.05 (0.2) | |||
K magnitude | 16.02 (0.3) | 16.02 (0.3) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 15.31 (0.003) | 15.33 (0.0009) | 15.31 (0.003) | ||
BP magnitude | 15.16 (0.004) | 15.12 (0.007) | |||
RP magnitude | 15.58 (0.005) | 15.58 (0.003) | |||
Pan g magnitude | |||||
Pan r magnitude | |||||
Pan i magnitude | 19.71 (0.2) | ||||
Pan z magnitude | |||||
Pan y magnitude | |||||
E(B-V) | 0.044 |
* 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.