L 462-56 A

All names: WDJ093659.79-372130.80, 093659.79-372130.80, LD S275A, UCAC3 106-106329, L 462-56 A, NLTT 22203, Gaia DR3 5436014972680358784, LDS275A, LTT 3537, CE 85, 2MASS J09365978-3721306, LDS 275A, WDS J09370-3721A, Gaia DR2 5436014972680358784, LDS 275AB, WD 0935-371.1, TIC 293811985, ** LDS 275A, Gaia EDR3 5436014972680358784

Parameter Unit Gaia EDR3 O'Brien et al. 2024 O'Brien et al. 2022 Gaia DR2 Stilism Dufour et al. 2005 Bergeron et al. 1997 Weidemann and Koester 1995 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Wegner 1983
Right ascension 09 36 59.35 (0.01) 09 36 59.36 (0.02) 09 36 59.35 09 36 59.79 (0.01) 09 36 59.36 09 37 03.91
Declination -37 21 28.12 (0.02) -37 21 28.20 (0.02) -37 21 28.12 -37 21 30.80 (0.02) -37 21 28.20 -37 20 31.20
Spectral type DQ DQ DQ DQ DC DQ6 DQ
Effective temperature [K] 9232.0 (89) 9230.0 (90) 9380.0 (390) 10240.0 (440) 8800.0 9255.0 (37) 8000.0
log(g) [cgs] 8.09 (0.02) 8.09 (0.02) 8.32 (0.06) 8.00 (0) 8.09 (0.006) 7.50 (0.5)
Mass [M] 0.633 (0.01) 0.78 (0.04) 0.58 0.633 (0.006)
log(Luminosity) [L] -2.80
Cooling age [Gyr] 0.7900
log(H/He)
log(C/He) -4.21 (0.4) -6
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] 38.10 (0.02) 38.10 (0.02) 38.10 (0.02) 38.06 (0.03) 43.70 (2) 38.10 38.10 (0.02) 38.06 (0.03)
Distance [pc] 26.25 (0.01) 26.25 (0.01) 26.25 (0.01) 26.27 (0.02) 22.88 (1) 26.25 26.25 (0.01) 26.27 (0.02)
Composition He He He
Proper motion (right ascension) [mas/yr] -328.1269098 (0.02) -328.2202445 (0.04) -328.127 (0.02) -328.2202445
Proper motion (declination) [mas/yr] 167.9795019 (0.02) 167.8306053 (0.05) 167.98 (0.02) 167.8306053
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 14.89
V magnitude 14.81 14.85
R magnitude 14.71 15.11 (0.03)
I magnitude 14.62
J magnitude 14.79 14.77 (0.04)
H magnitude 14.73 14.74 (0.05)
K magnitude 14.72 14.83 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.78 (0.001) 14.80 14.78 14.78 (0.003) 14.80
BP magnitude 14.83 (0.001) 14.82 14.82
RP magnitude 14.67 (0.001) 14.68 14.68
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.000

* Constant surface field

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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.