PG 2220+134

All names: WDJ222313.85+133856.87, 2MASS J22231384+1338572, GALEX J222313.8+133856, WD 2220+133, PG 2220+134, WISEA J222313.89+133857.0, SDSS J222313.85+133856.8, J2223+1338, USNO-B1.0 1036-00613567, Gaia DR2 2734319087081051264, WISE J222313.88+133856.9, TIC 404580748, Gaia EDR3 2734319087081051264, Gaia DR3 2734319087081051264, UCAC4 519-140873, SDSS J222313.85+133856.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Koester et al. 2014 Gianninas et al. 2011 Tremblay et al. 2011 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 22 23 13.91 (0.04) 22 23 13.85 22 23 13.91 (0.06) 22 23 13.91 22 23 13.85 (0.04) 22 23 13.91 22 23 13.85 22 23 12.12 22 23 13.85
Declination 13 38 56.78 (0.05) 13 38 56.90 13 38 56.79 (0.06) 13 38 56.78 13 38 56.87 (0.05) 13 38 56.79 13 38 56.87 13 38 53.88 13 38 56.86
Spectral type DA DA DA DA DA DA DA2.1 DA DA_auto DA3 DA DA
Effective temperature [K] 22741.0 (344) 22739.0 (344) 20750.0 23301.0 (316) 23780.0 (364) 24310.0 (100) 22583.0 (29) 23062.0 (406) 23269.0 (118) 23573.0 (99)
log(g) [cgs] 8.40 (0.01) 8.40 (0.01) 8.31 8.40 (0.09) 8.46 (0.05) 8.36 (0.01) 8.30 (0.005) 8.41 (0.01) 8.39 (0.01) 8.38 (0.01)
Mass [M] 0.873 (0.01) 0.874 (0.01) 0.816 0.864 (0.06) 0.91 (0.03) 0.85 (0.01) 0.883 (0.01) 0.845 (0.006)
log(Luminosity) [L]
Cooling age [Gyr] 0.1229 0.0776
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H) <-8.20
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 13.05 (0.05) 13.08 (0.07) 13.05 13.05 (0.05) 13.08 (0.07) 14.90 (4)
Distance [pc] 76.62 (0.3) 76.42 (0.4) 76.00 76.62 76.62 (0.3) 76.42 (0.4) 67.11 (18)
Composition H H H H
Proper motion (right ascension) [mas/yr] 56.66333205 (0.06) 56.56403882 (0.1) 56.663 (0.06) 56.564 55.0
Proper motion (declination) [mas/yr] -5.467876841 (0.06) -5.237810922 (0.1) -5.468 (0.06) -5.238 -4.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.54 (0.02)
V magnitude 15.61 (0.05) 15.60 15.61 (0.01)
R magnitude 16.09 (0.1)
I magnitude
J magnitude 16.26 (0.1)
H magnitude 16.05 (0.2)
K magnitude
u magnitude 15.32 (0.005) 15.32 (0.005) 15.32 (0.005) 15.35 (0.01) 15.34 15.35 (0.02)
g magnitude 15.40 (0.004) 15.40 (0.004) 15.39 (0.004) 15.42 (0.02) 15.41 15.41 (0.02)
r magnitude 15.80 (0.005) 15.80 (0.005) 15.80 (0.004) 15.80 (0.02) 15.79 15.79 (0.02)
i magnitude 16.12 (0.005) 16.11 (0.005) 16.12 (0.005) 16.11 (0.02) 16.11 16.11 (0.02)
z magnitude 16.42 (0.008) 16.42 (0.008) 16.40 (0.008) 16.42 (0.02) 16.41 16.41 (0.02)
G magnitude 15.62 (0.003) 15.64 15.62 15.62 (0.003) 15.64
BP magnitude 15.52 (0.003) 15.50 15.50
RP magnitude 15.83 (0.004) 15.83 15.83
Pan g magnitude 15.47 (0.004)
Pan r magnitude 15.82 (0.004)
Pan i magnitude 16.14 (0.002)
Pan z magnitude 16.41 (0.003)
Pan y magnitude 16.58 (0.005)
E(B-V) 0.006

* 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.