All names: HS 1846+8149, 2MASS J18412115+8152267, TIC 288639535, FBS B 1102, Gaia DR3 2296351337648654848, HS1846+8149, GALEX J184121.3+815227, FBS 1846+818, Gaia EDR3 2296351337648654848, Gaia DR2 2296351337648654848
Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|---|
Right ascension | 18 41 21.29 (0.02) | 18 41 21.13 | 18 41 21.23 (0.02) | ||
Declination | 81 52 26.77 (0.02) | 81 52 27.05 | 81 52 26.83 (0.02) | ||
Spectral type | sdB | sdB | |||
Effective temperature | [K] | 26300.0 (700) | |||
log(g) | [cgs] | 5.40 (0.1) | |||
Mass | [M☉] | ||||
log(Luminosity) | [L☉] | ||||
Cooling age | [Gyr] | ||||
log(H/He) | |||||
log(C/He) | |||||
log(Ca/He) | |||||
log(Ca/H) | |||||
Parallax | [mas] | 0.95 (0.02) | 0.90 (0.03) | 0.95 (0.02) | |
Distance | [pc] | 1054.63 (26) | 1112.84 (43) | 1054.63 (26) | |
Composition | |||||
Proper motion (right ascension) | [mas/yr] | 8.168 (0.03) | 8.199 (0.06) | 8.168 (0.03) | |
Proper motion (declination) | [mas/yr] | -3.992 (0.03) | -4.076 (0.07) | -3.992 (0.03) | |
Variability | |||||
Magnetic | |||||
Bd | [MG] | ||||
Infrared excess (disk) | |||||
Binarity | |||||
B magnitude | |||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | 15.17 (0.05) | 15.17 (0.05) | |||
H magnitude | 15.23 (0.1) | 15.23 (0.1) | |||
K magnitude | 15.85 (0.3) | 15.85 (0.3) | |||
u magnitude | |||||
g magnitude | |||||
r magnitude | |||||
i magnitude | |||||
z magnitude | |||||
G magnitude | 14.66 (0.003) | 14.68 (0.0006) | 14.66 (0.003) | ||
BP magnitude | 14.56 (0.003) | 14.52 (0.007) | |||
RP magnitude | 14.87 (0.004) | 14.87 (0.003) | |||
Pan g magnitude | 14.54 (0.002) | ||||
Pan r magnitude | 14.89 (0.004) | ||||
Pan i magnitude | 15.20 (0.002) | ||||
Pan z magnitude | 15.45 (0.004) | ||||
Pan y magnitude | 15.60 (0.003) | ||||
E(B-V) | 0.096 |
* 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.