All names: 2MASS J22300770+3812087, FBS B 180, Gaia DR3 1907809668134675712, FBS2227+379, TIC 120596751, Gaia DR2 1907809668134675712, FBS 2227+379
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 22 30 07.72 | 22 30 07.70 (0.01) | ||
Declination | 38 12 09.10 | 38 12 08.77 (0.02) | ||
Spectral type | sdOB | sdBO | ||
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] | 0.34 (0.04) | 0.27 (0.02) | |
Distance | [pc] | 2924.83 (317) | 3642.99 (296) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -15.503 (0.04) | -15.38 (0.02) | |
Proper motion (declination) | [mas/yr] | -8.945 (0.05) | -9.025 (0.02) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 14.49 (0.04) | 14.49 (0.04) | ||
H magnitude | 14.53 (0.06) | 14.53 (0.06) | ||
K magnitude | 14.68 (0.1) | 14.68 (0.1) | ||
u magnitude | 14.91 (0.004) | |||
g magnitude | 14.36 (0.003) | |||
r magnitude | 14.92 (0.01) | |||
i magnitude | 14.82 (0.003) | |||
z magnitude | 14.94 (0.005) | |||
G magnitude | 14.43 (0.0003) | 14.41 (0.003) | ||
BP magnitude | 14.38 (0.002) | |||
RP magnitude | 14.42 (0.001) | |||
Pan g magnitude | 14.34 (0.003) | |||
Pan r magnitude | 14.56 (0.002) | |||
Pan i magnitude | 14.78 (0.002) | |||
Pan z magnitude | 14.94 (0.006) | |||
Pan y magnitude | 14.99 (0.005) | |||
E(B-V) | 0.100 |
* 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.