BPS CS 30337-0074

All names: GALEXJ22058-3141, BPS CS 30337-0074, Gaia EDR3 6613267462718776832, GALEX J220551.8-314105, Gaia DR3 6613267462718776832, TIC 229050493, EC 22029-3155, Gaia DR2 6613267462718776832, 2MASS J22055199-3141039, TYC 7489-686-1

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 22 05 52.03 (0.04) 22 05 51.89 22 05 52.00 (0.04)
Declination -31 41 04.00 (0.03) -31 41 05.37 -31 41 03.95 (0.03)
Spectral type sdB sdB
Effective temperature [K] 28650.0 (930)
log(g) [cgs] 5.68 (0.1)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.58 (0.04) 2.62 (0.07) 2.58 (0.04)
Distance [pc] 386.86 (7) 381.24 (10) 386.86 (7)
Composition
Proper motion (right ascension) [mas/yr] 22.758 (0.04) 22.653 (0.1) 22.758 (0.04)
Proper motion (declination) [mas/yr] -3.066 (0.04) -2.782 (0.09) -3.066 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.07 (0.1)
V magnitude 12.25 (0.2)
R magnitude
I magnitude
J magnitude 12.75 (0.02) 12.75 (0.02)
H magnitude 12.78 (0.03) 12.78 (0.03)
K magnitude 12.86 (0.03) 12.86 (0.03)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 12.33 (0.003) 12.35 (0.002) 12.33 (0.003)
BP magnitude 12.21 (0.004) 12.17 (0.01)
RP magnitude 12.57 (0.007) 12.56 (0.01)
Pan g magnitude 12.23
Pan r magnitude 12.59
Pan i magnitude 12.88
Pan z magnitude 13.10
Pan y magnitude 13.28
E(B-V) 0.014

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




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.