All names: Balloon 83500005, TIC 57189056, FBS1640+362, FBS B 580, Gaia DR3 1328014337589560320, FBS 1640+362, Gaia DR2 1328014337589560320, 2MASS J16415684+3604048
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 16 41 56.81 | 16 41 56.84 (0.01) | ||
Declination | 36 04 05.40 | 36 04 04.92 (0.02) | ||
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] | 0.10 (0.03) | 0.12 (0.02) | |
Distance | [pc] | 10020.04 (2922) | 8084.07 (1353) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -4.207 (0.05) | -4.289 (0.02) | |
Proper motion (declination) | [mas/yr] | -1.656 (0.07) | -1.521 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | 13.50 | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 13.95 (0.03) | 13.95 (0.03) | ||
H magnitude | 14.01 (0.04) | 14.01 (0.04) | ||
K magnitude | 14.18 (0.07) | 14.18 (0.07) | ||
u magnitude | 14.34 (0.005) | |||
g magnitude | 13.67 (0.003) | |||
r magnitude | ||||
i magnitude | 14.38 (0.004) | |||
z magnitude | 14.74 (0.007) | |||
G magnitude | 13.73 (0.0005) | 13.71 (0.003) | ||
BP magnitude | 13.61 (0.004) | |||
RP magnitude | 13.84 (0.002) | |||
Pan g magnitude | 13.59 (0.001) | |||
Pan r magnitude | 13.94 (0.003) | |||
Pan i magnitude | 14.19 (0.002) | |||
Pan z magnitude | 14.40 (0.007) | |||
Pan y magnitude | 14.52 (0.008) | |||
E(B-V) | 0.021 |
* 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.