WD 0840-136

All names: WD 0840-136, Gaia DR3 5734737438536674432, TIC 1107885, NLTT 20107, WISEA J084248.27-134713.4, LP 726-1, J0842-1347, Gaia EDR3 5734737438536674432, PSO J130.7008-13.7870, CNS5 2154, 2MASS J08424846-1347131, Gaia DR2 5734737438536674432, WDJ084248.46-134713.21

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Coutu et al. 2019 Blouin et al. 2019 Gaia DR2 Subasavage et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Holberg et al. 2008 Subasavage et al. 2007 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 08 42 48.17 (0.02) 08 42 48.46 08 42 48.18 (0.03) 08 42 48.45 08 42 48.24 08 42 48.45 08 42 48.17 08 42 48.46 (0.02) 08 42 48.18 08 42 48.34
Declination -13 47 13.61 (0.02) -13 47 13.21 -13 47 13.59 (0.03) -13 47 01.01 -13 47 09.60 -13 47 13.10 -13 47 13.61 -13 47 13.21 (0.02) -13 47 13.59 -13 47 13.56
Spectral type DZ DZ DZ DZ DZ DZ DZ10.3 DZ DZ DZ DZ DZ10 DZ
Effective temperature [K] 5388.0 (27) 5627.0 (14) 5010.0 (89) 4795.0 (120) 4980.0 (230) 4874.0 (177) 4874.0 4874.0 (177) 5706.0 (13)
log(g) [cgs] 8.17 (0.02) 8.32 (0.004) 8.05 7.97 (0.05) 7.95 (0.1) 8.00 (0) (0) 8.42 (0.004)
Mass [M] 0.68 (0.01) 0.779 (0.004) 0.5975 0.553 (0.03) 0.54 (0.08) 0.57 (0) 0.57 (0) 0.844 (0.004)
log(Luminosity) [L] -4.04 (0.1) -4.10
Cooling age [Gyr] 5.9500 5.9000 6.2070 (0.6) 5.2800 (0.8) 6.3100 6.3100
log(H/He) -1.5 <-3.0002 -5.0
log(C/He)
log(Ca/He) -9.55 -9.9304 (0.1) -10.0 -10.57 -10.9
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] 67.52 (0.03) 67.52 (0.03) 67.55 (0.04) 67.55 67.55 (0.04) 67.55 (0.04) 66.48 (0.9) 67.52 67.52 (0.03) 67.55 (0.04)
Distance [pc] 14.81 (0.007) 14.81 (0.007) 14.80 (0.009) 14.80 (0.01) 14.80 (0.01) 14.80 (0.01) 15.04 (0.2) 13.90 (0.8) 19.30 13.90 (0.8) 19.30 14.81 14.81 (0.007) 14.80 (0.01)
Composition He He He He He He He
Proper motion (right ascension) [mas/yr] -266.0067294 (0.04) -266.0284587 (0.07) -266.007 (0.04) -266.0284587
Proper motion (declination) [mas/yr] -24.84566983 (0.03) -24.94787345 (0.05) -24.846 (0.03) -24.94787345
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude 15.72 15.73 15.72 15.72
R magnitude 15.36 15.36 15.36
I magnitude 15.02 15.02 15.02
J magnitude 14.61 (0.003) 14.62 (0.03) 14.62 (0.03) 14.62 14.62 (0.03) 14.62 (0.03)
H magnitude 14.41 (0.05) 14.41 (0.05) 14.41 (0.05) 14.41 14.42 (0.05) 14.41 (0.05)
K magnitude 14.33 (0.007) 14.54 (0.09) 14.54 (0.09) 14.54 14.54 (0.09) 14.54 (0.09)
u magnitude
g magnitude 16.00 (0.004)
r magnitude 15.54 (0.001)
i magnitude 15.42 (0.002)
z magnitude 15.40 (0.005)
G magnitude 15.59 (0.002) 15.61 15.59 15.59 (0.003) 15.61
BP magnitude 15.97 (0.002) 16.01 16.01
RP magnitude 15.07 (0.002) 15.08 15.08
Pan g magnitude 16.00 (0.004) 16.00 (0.004) 16.00 (0.004)
Pan r magnitude 15.54 (0.002) 15.54 (0.001) 15.54 (0.001)
Pan i magnitude 15.42 (0.002) 15.42 (0.002) 15.42 (0.002)
Pan z magnitude 15.40 (0.005) 15.40 (0.005) 15.40 (0.005)
Pan y magnitude 15.41 (0.005) 15.41 (0.005) 15.41 (0.005)
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.