WD 1009-184

All names: UCAC3 143-131431, TIC 52104043, DENIS J101201.9-184333, LEHPM 2-220, Gaia DR2 5669427512997660800, WD 1009-184, WDJ101201.87-184333.27, WDS J10121-1837B, CNS5 2504, Gaia EDR3 5669427512997660800, WISEA J101201.47-184333.3, ** SUB 4B, WT 1759, UCAC4 357-057851, J1012-1843, PSO J153.0060-18.7259, Gaia DR3 5669427512997660800, 2MASS J10120190-1843332

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 Tremblay et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Subasavage et al. 2009 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 10 12 01.28 (0.03) 10 12 01.87 10 12 01.30 (0.04) 10 12 01.68 10 12 01.88 10 12 01.88 10 12 01.28 10 12 01.87 (0.03) 10 12 01.30 10 12 01.44
Declination -18 43 33.48 (0.04) -18 43 33.27 -18 43 33.47 (0.06) -18 43 30.00 -18 43 33.20 -18 43 33.20 -18 43 33.48 -18 43 33.27 (0.04) -18 43 33.47 -18 43 32.88
Spectral type DZH DZ DZ DZ DZ DZ DZ8.5 DZ DZ DZ DZ DZ DZ7 DZ7.8
Effective temperature [K] 6394.0 (41) 5715.0 (23) 5938.0 (213) 5600.0 (65) 6040.0 (360) 6037.0 (364) 6036.0 6036.0 (364) 5940.0 (280) 6449.0 (194) 6336.0 (33)
log(g) [cgs] 8.18 (0.02) 7.95 (0.006) 8.05 7.94 (0.03) 8.01 (0.03) 8.02 (0.03) 8.05 (0.02) 8.22 (0.008)
Mass [M] 0.688 (0.01) 0.542 (0.006) 0.6003 0.534 (0.02) 0.59 (0.02) 0.59 (0.02) 0.6 (0.01) 0.714 (0.007)
log(Luminosity) [L] -3.74 -3.78 (0.02)
Cooling age [Gyr] 2.9600 3.0200 3.0900 (0.3) 2.6300 2.6300 2.9700 (0.2)
log(H/He) -4.0 <-3.0 -3.0 -3.0
log(C/He)
log(Ca/He) -10.31 -10.1861 (0.05) -10.36 -10.57 -10.37 (0.2)
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] 55.29 (0.04) 55.29 (0.04) 55.27 (0.06) 55.27 55.27 (0.06) 55.27 (0.06) 58.20 (2) 55.55 (0.8) 54.63 (1) 55.55 (0.8) 58.59 (2) 55.29 55.29 (0.04) 55.27 (0.06) 58.50 (1)
Distance [pc] 18.09 (0.01) 18.09 (0.01) 18.09 (0.02) 18.09 (0.02) 18.09 (0.02) 18.09 (0.02) 17.18 (0.5) 18.00 (0.3) 18.30 18.30 (0.3) 18.00 (0.3) 17.07 20.90 18.09 18.09 (0.01) 18.09 (0.02) 17.09 (0.3)
Composition He He He He He He He He
Proper motion (right ascension) [mas/yr] -522.352 (0.04) -522.2600209 (0.08) -522.352 (0.04) -522.2600209
Proper motion (declination) [mas/yr] -12.968 (0.04) -12.88727928 (0.08) -12.968 (0.04) -12.88727928
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS WDMS
B magnitude
V magnitude 15.44 (0.05) 15.44 15.44 15.45
R magnitude 15.18 15.55 (0.07)
I magnitude 14.91 14.92 (0.04)
J magnitude 14.66 (0.003) 14.68 (0.04) 14.68 14.68 (0.04) 14.68 (0.04) 14.68 (0.04)
H magnitude 14.52 (0.06) 14.52 (0.06) 14.51 14.52 (0.06) 14.52 (0.05) 14.52 (0.06)
K magnitude 14.49 (0.009) 14.31 (0.07) 14.31 14.31 (0.07) 14.31 (0.07) 14.31 (0.07)
u magnitude
g magnitude 15.56 (0.005)
r magnitude 15.33 (0.006)
i magnitude 15.29 (0.007)
z magnitude 15.34 (0.002)
G magnitude 15.33 (0.003) 15.35 15.28 (0.002) 15.33 15.33 (0.003) 15.35
BP magnitude 15.57 (0.004) 15.58 15.58
RP magnitude 14.95 (0.004) 14.96 14.96
Pan g magnitude 15.56 (0.005) 15.56 (0.005) 15.56 (0.005)
Pan r magnitude 15.33 (0.005) 15.33 (0.006) 15.33 (0.006)
Pan i magnitude 15.29 (0.007) 15.29 (0.007) 15.29 (0.007)
Pan z magnitude 15.34 (0.002) 15.34 (0.002) 15.34 (0.002)
Pan y magnitude 15.39 (0.001) 15.39 (0.001) 15.39 (0.001)
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.