FBS 2227+379

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

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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.