WD 2231-387

All names: Gaia DR3 6594180460552162944, WDJ223354.48-383236.86, Gaia DR2 6594180460552162944, TIC 152926212, EC 22310-3848, 2MASS J22335448-3832368, WD 2231-387, LEHPM 4859, NLTT 54169, Gaia EDR3 6594180460552162944, LP 1033-28

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Subasavage et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 33 54.15 (0.03) 22 33 54.16 (0.04) 22 33 54.47 22 33 54.15 22 33 54.48 (0.03) 22 33 54.16 22 33 54.70
Declination -38 32 41.19 (0.03) -38 32 41.05 (0.04) -38 32 36.90 -38 32 41.19 -38 32 36.86 (0.03) -38 32 41.05 -38 32 23.64
Spectral type DA6.0 DA DA6.0 DA6.2
Effective temperature [K] 8155.0 (336) 8138.0 (48)
log(g) [cgs] 7.95 (0.01)
Mass [M] 0.568 (0.009)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 23.62 (0.04) 23.53 (0.05) 23.62 23.62 (0.04) 23.53 (0.05)
Distance [pc] 42.33 (0.08) 42.50 (0.1) 40.60 42.33 42.33 (0.08) 42.50 (0.1)
Composition H
Proper motion (right ascension) [mas/yr] -238.4626302 (0.04) -238.38109 (0.07) -238.463 (0.04) -238.38109
Proper motion (declination) [mas/yr] -270.5794204 (0.04) -270.2892485 (0.09) -270.579 (0.04) -270.2892485
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 16.02
R magnitude 15.88
I magnitude 15.62
J magnitude 15.57 (0.06) 15.57 (0.06)
H magnitude 15.51 (0.1) 15.51 (0.1)
K magnitude 15.11 (0.1) 15.11 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.95 (0.003) 15.97 15.95 15.95 (0.003) 15.97
BP magnitude 16.07 (0.003) 16.04 16.04
RP magnitude 15.72 (0.004) 15.73 15.73
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.002

* 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.