HE 0452-3654

All names: GALEX J045352.6-364916, TIC 369394241, HE0452-3654, Gaia DR2 4818534877514902272, 2MASS J04535265-3649148, Gaia DR3 4818534877514902272, HE 0452-3654, Gaia EDR3 4818534877514902272, EC 04521-3654

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 04 53 52.68 (0.02) 04 53 52.66 04 53 52.66 (0.02)
Declination -36 49 14.60 (0.03) -36 49 15.20 -36 49 14.76 (0.03)
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] 1.19 (0.03) 1.21 (0.04) 1.19 (0.03)
Distance [pc] 840.48 (19) 828.64 (28) 840.48 (19)
Composition
Proper motion (right ascension) [mas/yr] 10.34 (0.03) 10.357 (0.07) 10.34 (0.03)
Proper motion (declination) [mas/yr] 10.05 (0.03) 10.19 (0.08) 10.05 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.59
V magnitude 13.86
R magnitude
I magnitude
J magnitude 14.41 (0.04) 14.41 (0.04)
H magnitude 14.57 (0.05) 14.57 (0.05)
K magnitude 14.55 (0.09) 14.55 (0.09)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.79 (0.003) 13.81 (0.0006) 13.79 (0.003)
BP magnitude 13.65 (0.003) 13.58 (0.008)
RP magnitude 14.07 (0.004) 14.07 (0.001)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* 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.