WD 2345-447

All names: LEHPM 6221, USNO-B1.0 0455-00799727, WD 2345-447, 2MASS J23481677-4428118, ESO 292-43, Gaia EDR3 6531195177474061824, TIC 144385482, Gaia DR2 6531195177474061824, J2348-4428, LEHPM 6222, WDJ234816.77-442811.76, Ruiz 292-43, Gaia DR3 6531195177474061824

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Bergeron et al. 2001 Bergeron et al. 1997 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 23 48 17.21 (0.07) 23 48 16.77 23 48 17.20 (0.08) 23 48 17.21 23 48 16.77 (0.07) 23 48 17.20 23 48 15.53
Declination -44 28 16.18 (0.08) -44 28 11.76 -44 28 16.04 (0.08) -44 28 16.18 -44 28 11.76 (0.08) -44 28 16.04 -44 28 06.96
Spectral type DZ DZ DZ DC DZ DA: DZ DZ
Effective temperature [K] 5350.0 (70) 4886.0 (125) 4620.0 (110) 5400.0 (80) 5490.0 (80) 5524.0 (45)
log(g) [cgs] 8.23 (0.04) 8.11 8.35 (0.09) 8.72 (0.07) 8.00 (0) 8.33 (0.02)
Mass [M] 0.715 (0.03) 0.6358 0.8 (0.06) 1.04 (0.04) 0.57 0.797 (0.02)
log(Luminosity) [L] -4.38 (0.05) -3.89
Cooling age [Gyr] 6.5400 6.0700 (0.2) 4.0300
log(H/He) <-3.0 <-5.0
log(C/He)
log(Ca/He) -10.942 (0.4) -11.35 (0.04)
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] 27.39 (0.1) 27.39 (0.1) 27.54 27.54 (0.1) 38.10 (2) 27.39 27.39 (0.1) 27.54 (0.1) 38.10 (2)
Distance [pc] 36.50 (0.1) 36.51 (0.1) 36.30 (0.2) 36.30 (0.2) 26.25 (2) 36.50 36.50 (0.1) 36.30 (0.2) 26.25 (1)
Composition He He He He
Proper motion (right ascension) [mas/yr] 296.479 (0.09) 296.5365342 (0.1) 296.479 (0.09) 296.5365342
Proper motion (declination) [mas/yr] -276.403 (0.1) -276.5413349 (0.2) -276.403 (0.1) -276.5413349
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.66 18.66 18.66
V magnitude 17.87 17.87 17.87
R magnitude 17.45 17.45 17.50
I magnitude 17.03 17.03
J magnitude 16.66 16.66 16.52 (0.1)
H magnitude 16.59 16.59
K magnitude 16.33 16.33
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.68 (0.003) 17.70 17.68 17.68 (0.003) 17.70
BP magnitude 18.07 (0.01) 18.08 18.08
RP magnitude 17.14 (0.009) 17.14 17.14
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.001

* 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.