2MASS J21220558-3838347

All names: Gaia DR2 6583325635088476544, Gaia DR3 6583325635088476544, SCR J2122-3838, WDJ212205.59-383834.68, SCR 2122-3838, CNS5 5262, 2MASS J21220558-3838347, Gaia EDR3 6583325635088476544, WD 2118-388, TIC 159844055

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Subasavage et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Subasavage et al. 2008 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 21 22 05.82 (0.04) 21 22 05.82 (0.2) 21 22 05.59 21 22 05.52 21 22 05.59 21 22 05.82 21 22 05.59 (0.04) 21 22 05.82 21 22 05.16
Declination -38 38 35.71 (0.03) -38 38 35.68 (0.09) -38 38 03.08 -38 38 34.80 -38 38 34.70 -38 38 35.71 -38 38 34.67 (0.03) -38 38 35.68 -38 38 28.68
Spectral type DC DC DC DC9.6 DC DC: DC DC9.6
Effective temperature [K] 5060.0 (21) 5150.0 (110) 5244.0 (102) 5244.0 5244.0 (102) 5107.0 (14)
log(g) [cgs] 7.81 (0.02) 7.86 (0.06) 8.00 (0) 7.80 (0.007)
Mass [M] 0.481 (0.008) 0.49 (0.05) 0.58 (0) 0.464 (0.006)
log(Luminosity) [L] -3.93 (0.06)
Cooling age [Gyr] 4.0100 (0.6) 4.4300
log(H/He)
log(C/He)
log(Ca/He)
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] 42.75 (0.06) 42.75 (0.06) 42.44 (0.2) 43.56 (1) 42.75 42.75 (0.06) 42.44 (0.2) 45.40
Distance [pc] 23.39 (0.03) 23.39 (0.03) 23.56 (0.1) 22.96 (0.7) 22.43 (0.4) 22.00 22.00 23.39 23.39 (0.03) 23.56 (0.1) 22.03
Composition He H He
Proper motion (right ascension) [mas/yr] 167.9776842 (0.05) 168.8688417 (0.4) 167.978 (0.05) 168.8688417
Proper motion (declination) [mas/yr] -64.68063224 (0.04) -64.26515849 (0.2) -64.681 (0.04) -64.26515849
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.26
V magnitude 16.57 16.55
R magnitude 16.09 16.20
I magnitude 15.64 15.74
J magnitude 15.16 (0.04) 15.16 (0.04) 15.16 (0.04)
H magnitude 14.92 (0.07) 14.92 (0.07) 14.92 (0.07)
K magnitude 15.05 (0.1) 15.05 (0.1) 15.05 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.34 (0.003) 16.35 16.34 16.34 (0.003) 16.35
BP magnitude 16.78 (0.003) 16.81 16.81
RP magnitude 15.74 (0.002) 15.75 15.75
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.