G 233-2

All names: WD 2210+565, 22118+5649, PM J22118+5649, ** GIC 176B, Gaia EDR3 2198431172852758656, G233-002, UCAC4 735-082244, Gaia DR3 2198431172852758656, NLTT 53203, G 233-2, LSPM J2211+5649, IDS 22081+5620 C, Gaia DR2 2198431172852758656, WDJ221153.92+564946.77, WDS J22118+5650C, CCDM J22119+5650C

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 McCleery et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Holberg et al. 2016 Limoges et al. 2015 Sion et al. 2014 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 22 11 54.37 (0.02) 22 11 54.36 (0.03) 22 11 54.36 (0.03) 22 11 53.52 22 11 54.37 22 11 53.92 (0.02) 22 11 54.36 22 11 53.21
Declination 56 49 48.83 (0.02) 56 49 48.77 (0.03) 56 49 48.77 (0.03) 56 49 44.40 56 49 48.83 56 49 46.77 (0.02) 56 49 48.77 56 49 44.76
Spectral type DA DA DA DA DA3.0 DA DA DA
Effective temperature [K] 16833.0 (308) 16361.1 (143) 15665.0 17131.0 16790.0 (166) 16880.0 (287) 16790.0 16044.0 (111)
log(g) [cgs] 8.07 (0.02) 8.05 (0.01) 8.02 8.19 8.15 (0.1) 8.11 (0.05) 8.04 (0.006)
Mass [M] 0.659 (0.01) 0.623 0.706 0.71 (0.09) 0.68 (0.03) 0.636 (0.005)
log(Luminosity) [L] -1.97
Cooling age [Gyr] 0.1760 0.1840 0.1900
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)
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] 26.43 (0.02) 26.43 (0.02) 26.41 (0.04) 26.41 (0.04) 26.43 26.43 (0.02) 26.41 (0.04)
Distance [pc] 37.83 (0.03) 37.84 (0.03) 37.86 (0.05) 37.86 (0.05) 19.54 (0.3) 22.30 (1) 18.10 37.83 37.83 (0.03) 37.86 (0.05)
Composition H H H
Proper motion (right ascension) [mas/yr] 234.176704 (0.02) 234.284 (0.06) 234.177 (0.02) 234.2839479
Proper motion (declination) [mas/yr] 128.9508712 (0.02) 128.933 (0.05) 128.951 (0.02) 128.9325358
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude 12.78
R magnitude 14.38 (0.1)
I magnitude
J magnitude 13.19
H magnitude 12.99
K magnitude 12.86
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.13 (0.001) 14.14 14.14 14.13 14.13 (0.003) 14.14
BP magnitude 14.07 (0.001) 14.05 14.05
RP magnitude 14.26 (0.0009) 14.26 14.26
Pan g magnitude 14.00 (0.0009)
Pan r magnitude 14.31 (0.007)
Pan i magnitude 14.60 (0.01)
Pan z magnitude 14.83 (0.0007)
Pan y magnitude 14.96 (0.005)
E(B-V) 0.003

* 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.