HE 0321-0918

All names: HE0321-0918, Gaia DR2 5167920915036203008, 2MASS J03234583-0908155, GALEX J032345.8-090814, Gaia DR3 5167920915036203008, HE 0321-0918, TIC 9968866, Gaia EDR3 5167920915036203008

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 03 23 45.85 (0.03) 03 23 45.85 03 23 45.85 (0.03)
Declination -09 08 15.57 (0.03) -09 08 15.60 -09 08 15.48 (0.03)
Spectral type sdB sdB
Effective temperature [K] 25114.0 (500)
log(g) [cgs] 5.67 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.01 (0.04) 0.93 (0.06) 1.01 (0.04)
Distance [pc] 985.71 (40) 1080.26 (76) 985.71 (40)
Composition
Proper motion (right ascension) [mas/yr] 2.124 (0.04) 2.149 (0.1) 2.124 (0.04)
Proper motion (declination) [mas/yr] -6.028 (0.05) -5.826 (0.1) -6.028 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.20
V magnitude
R magnitude
I magnitude
J magnitude 15.83 (0.07) 15.83 (0.07)
H magnitude 16.01 (0.2) 16.01 (0.2)
K magnitude 15.18
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.37 (0.003) 15.39 (0.001) 15.37 (0.003)
BP magnitude 15.27 (0.005) 15.24 (0.01)
RP magnitude 15.58 (0.005) 15.58 (0.005)
Pan g magnitude 15.22 (0.004)
Pan r magnitude 15.59 (0.001)
Pan i magnitude 15.92 (0.002)
Pan z magnitude 16.18 (0.005)
Pan y magnitude 16.33 (0.003)
E(B-V) 0.031

* 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.