PG 2321+214

All names: Balloon 83738001, PG2321+214, CHSS 2933, GALEX J232427.5+213850, 2MASS J23242746+2138512, PG 2321+214, LAMOST J232427.46+213851.2, Balloon 93738001, Gaia DR2 2837982520817733376, Gaia DR3 2837982520817733376, [TFW97] J232427.45+213851.42, TIC 243144803

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 23 24 27.40 23 24 27.47 (0.03)
Declination 21 38 51.60 21 38 51.32 (0.02)
Spectral type He-sdOB sdBN0VIIHe37
Effective temperature [K] 41900.0 (40)
log(g) [cgs] 6.05 (0.04)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.06 (0.06) 1.12 (0.03)
Distance [pc] 945.18 (49) 894.13 (27)
Composition
Proper motion (right ascension) [mas/yr] 20.556 (0.08) 20.725 (0.04)
Proper motion (declination) [mas/yr] -7.608 (0.06) -7.683 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.89
V magnitude
R magnitude
I magnitude
J magnitude 14.29 (0.02) 14.29 (0.02)
H magnitude 14.43 (0.04) 14.43 (0.04)
K magnitude 14.43 (0.07) 14.43 (0.07)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.74 (0.0005) 13.72 (0.003)
BP magnitude 13.55 (0.005)
RP magnitude 13.95 (0.001)
Pan g magnitude 13.58 (0.01)
Pan r magnitude 13.95 (0.001)
Pan i magnitude 14.28 (0.004)
Pan z magnitude 14.54 (0.003)
Pan y magnitude 14.71 (0.004)
E(B-V) 0.054

* 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.