LHS 2068

All names: CE 51, WD 0851-246, ** LDS 3830A, WDJ085357.69-244656.23, WDS J08539-2448A, USNO-B1.0 0652-00213618, LHS 2068, J0853-2446, LP 844-26, Gaia EDR3 5652718097353105664, Gaia DR3 5652718097353105664, NLTT 20501, Gaia DR2 5652718097353105664, WD 1851-246

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Bergeron et al. 2022 Gaia DR2 Subasavage et al. 2017 Stilism Subasavage et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 53 58.41 (0.09) 08 53 58.39 (0.1) 08 53 57.68 08 53 57.57 08 53 58.41 08 53 57.69 (0.09) 08 53 58.39 08 53 53.35
Declination -24 46 53.74 (0.09) -24 46 53.82 (0.2) -24 46 05.02 -24 46 56.40 -24 46 53.74 -24 46 56.23 (0.09) -24 46 53.82 -24 47 26.16
Spectral type DC DC DC DC DZ: DC DC
Effective temperature [K] 3740.0 (37) 3738.0 (37) 3490.0 (80) 4874.0 (33)
log(g) [cgs] 8.16 (0.006) 7.89 (0.05) 8.69 (0.02)
Mass [M] 0.672 (0.004) 0.672 (0.003) 0.5 (0.05) 1.021 (0.01)
log(Luminosity) [L] -4.63 (0.06)
Cooling age [Gyr] 9.1100 8.6410 8.0600 (0.3)
log(H/He) -1.07 -1.06
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 38.84 (0.1) 38.84 (0.1) 38.86 (0.2) 38.86 (0.2) 38.96 (0.4) 38.84 38.84 (0.1) 38.86 (0.2)
Distance [pc] 25.74 (0.08) 25.75 (0.09) 25.73 (0.1) 25.73 (0.1) 25.67 (0.3) 25.74 25.74 (0.08) 25.73 (0.1)
Composition He He
Proper motion (right ascension) [mas/yr] 613.5243985 (0.1) 613.7222387 (0.2) 613.524 (0.1) 613.7222387
Proper motion (declination) [mas/yr] 155.6216102 (0.1) 155.6506542 (0.3) 155.622 (0.1) 155.6506542
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDsdM yes
B magnitude 20.20
V magnitude 18.09 18.07
R magnitude 17.56 17.40
I magnitude 17.47
J magnitude 17.17 (0.02)
H magnitude
K magnitude 16.18 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.93 (0.01) 17.95 17.93 17.93 (0.003) 17.95
BP magnitude 18.44 (0.01) 18.40 18.40
RP magnitude 17.36 (0.01) 17.37 17.37
Pan g magnitude 18.60 (0.009) 18.60 (0.009)
Pan r magnitude 17.74 (0.006) 17.74 (0.006)
Pan i magnitude 17.66 (0.006) 17.66 (0.006)
Pan z magnitude 17.88 (0.006) 17.88 (0.006)
Pan y magnitude 18.02 (0.02) 18.02 (0.02)
E(B-V) 0.000

* 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.