BPS CS 22880-0078

All names: TIC 418787518, Gaia EDR3 6857162609461043456, BPS CS 22880-0078, GALEX J204908.9-203005, 2MASS J20490890-2030053, Gaia DR3 6857162888635380352, EC 20462-2041, BPSCS22880-78, Gaia DR2 6857162888635380352

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 20 49 13.41 (0.4) 20 49 08.87 20 49 08.91 (0.04)
Declination -20 31 18.44 (0.2) -20 30 05.83 -20 30 05.47 (0.02)
Spectral type sdB 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] 1.89 (0.5) 0.60 (0.06) 0.50 (0.05)
Distance [pc] 530.14 (128) 1659.48 (178) 2005.62 (210)
Composition
Proper motion (right ascension) [mas/yr] 0.276 (0.5) 2.194 (0.1) 2.304 (0.05)
Proper motion (declination) [mas/yr] -3.099 (0.3) 2.432 (0.06) 1.72 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.23
V magnitude 15.30
R magnitude
I magnitude
J magnitude 14.54 (0.04) 14.54 (0.04)
H magnitude 14.08 (0.04) 14.08 (0.04)
K magnitude 14.00 (0.05) 14.00 (0.05)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.70 (0.004) 15.17 (0.0007) 15.15 (0.003)
BP magnitude 20.08 (0.05) 15.17 (0.006)
RP magnitude 19.29 (0.04) 14.99 (0.003)
Pan g magnitude 15.24 (0.005)
Pan r magnitude 15.34 (0.005)
Pan i magnitude 15.37 (0.002)
Pan z magnitude 15.43 (0.003)
Pan y magnitude 15.40 (0.005)
E(B-V) 0.034

* 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.