WD 1009-184

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

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.