All names: 2MASS J16495454+4826526, Gaia DR2 1408930937321324288, Bal83600004, Balloon 83600004, TIC 274383140, Gaia DR3 1408930937321324288
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 16 49 54.55 | 16 49 54.55 (0.03) | ||
Declination | 48 26 53.45 | 48 26 52.64 (0.04) | ||
Spectral type | sdB+MS | 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] | 0.70 (0.05) | 0.67 (0.04) | |
Distance | [pc] | 1425.72 (95) | 1485.66 (85) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 3.573 (0.09) | 3.79 (0.04) | |
Proper motion (declination) | [mas/yr] | -18.199 (0.1) | -18.591 (0.05) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 15.23 (0.04) | 15.23 (0.04) | ||
H magnitude | 14.76 (0.06) | 14.76 (0.06) | ||
K magnitude | 14.66 (0.1) | 14.66 (0.1) | ||
u magnitude | 18.47 (0.02) | |||
g magnitude | 16.96 (0.004) | |||
r magnitude | 16.44 (0.004) | |||
i magnitude | 16.23 (0.004) | |||
z magnitude | 16.14 (0.007) | |||
G magnitude | 16.48 (0.0007) | 16.48 (0.003) | ||
BP magnitude | 16.88 (0.006) | |||
RP magnitude | 15.91 (0.003) | |||
Pan g magnitude | 16.91 (0.004) | |||
Pan r magnitude | 16.45 (0.003) | |||
Pan i magnitude | 16.25 (0.003) | |||
Pan z magnitude | 16.20 (0.004) | |||
Pan y magnitude | 16.12 (0.009) | |||
E(B-V) | 0.023 |
* 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.