EC 12408-1427

All names: TIC 181914779, SBC9 3330, GALEX J124330.1-144346, Gaia EDR3 3527057758002518016, EC12408-1427, Gaia DR2 3527057758002518016, EC 12408-1427, 2MASS J12433003-1443493, UCAC4 377-063486, UCAC2 26457205, Gaia DR3 3527057758002518016

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 12 43 30.02 (0.04) 12 43 30.04 12 43 30.05 (0.04)
Declination -14 43 49.10 (0.02) -14 43 49.24 -14 43 49.21 (0.02)
Spectral type sdB+WD 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] 1.90 (0.05) 2.12 (0.08) 1.90 (0.05)
Distance [pc] 527.18 (14) 471.43 (17) 527.18 (14)
Composition
Proper motion (right ascension) [mas/yr] -22.812 (0.06) -22.947 (0.1) -22.812 (0.06)
Proper motion (declination) [mas/yr] 7.36 (0.04) 7.547 (0.1) 7.36 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.63 (0.03)
V magnitude 12.82 (0.02)
R magnitude 13.19 (0.2)
I magnitude
J magnitude 13.39 (0.03) 13.39 (0.03)
H magnitude 13.46 (0.04) 13.46 (0.04)
K magnitude 13.62 (0.04) 13.62 (0.04)
u magnitude 13.67 (0.006)
g magnitude 12.69 (0.002)
r magnitude 13.14 (0.002)
i magnitude 13.52 (0.002)
z magnitude 13.89 (0.006)
G magnitude 12.78 (0.003) 12.81 (0.0004) 12.78 (0.003)
BP magnitude 12.66 (0.003) 12.62 (0.005)
RP magnitude 13.05 (0.004) 13.05 (0.001)
Pan g magnitude 12.67
Pan r magnitude 13.10
Pan i magnitude 13.42
Pan z magnitude 13.67 (0.003)
Pan y magnitude 13.82 (0.004)
E(B-V) 0.022

* 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.