GJ 432 B

All names: NLTT 27855, WDJ113430.48-325002.40, CNS5 2836, vB 4, Gaia DR3 3478127467639543296, WD 1132-325, HD 100623B, GJ 432 B, Zkh 162, * 20 Crt B, VB 4, LHS 309, LHS 309, Gaia DR2 3478127467639543296, ** LDS 6245B, WDS J11345-3250B, CSI-32-11321, VB 4, Gaia EDR3 3478127467639543296, CCDM J11345-3250B

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Holberg et al. 2008 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 34 29.59 (0.02) 11 34 29.61 (0.08) 11 34 29.52 11 34 29.59 11 34 30.48 (0.02) 11 34 29.61 11 34 31.75
Declination -32 49 49.14 (0.01) -32 49 49.56 (0.03) -32 49 55.20 -32 49 49.14 -32 50 02.40 (0.01) -32 49 49.56 -32 50 29.76
Spectral type DC DC DC DC DC DA DC DC+K0V
Effective temperature [K] 5300.0 (23) 5000.0 (500) 5677.0 (13)
log(g) [cgs] 8.05 (0.01) 8.00 (0) 8.25 (0.005)
Mass [M] 0.599 (0.01) 0.58 (0) 0.747 (0.004)
log(Luminosity) [L]
Cooling age [Gyr] 5.6900
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] 104.66 (0.03) 104.66 (0.03) 104.74 (0.07) 104.61 (0.4) 104.84 (0.8) 104.84 (0.8) 104.66 104.66 (0.03) 104.74 (0.07) 104.50
Distance [pc] 9.56 (0.002) 9.55 (0.003) 9.55 (0.007) 9.56 (0.03) 9.53 9.54 (0.07) 9.54 9.56 9.56 (0.002) 9.55 (0.007) 9.57
Composition H
Proper motion (right ascension) [mas/yr] -701.8023325 (0.03) -701.6164818 (0.1) -701.802 (0.03) -701.6164818
Proper motion (declination) [mas/yr] 828.9282877 (0.02) 828.8172126 (0.09) 828.928 (0.02) 828.8172126
Variability VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS WDMS yes
B magnitude 17.00
V magnitude 15.00 15.00
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.55 (0.002) 14.56 14.55 14.55 (0.003) 14.56
BP magnitude 14.92 (0.002) 14.92 14.92
RP magnitude 13.98 (0.001) 13.99 13.99
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.