Gaia DR2 1680980518105612672

All names: Gaia EDR3 1680980518105612672, WDJ12216.31+652004.10, Gaia DR2 1680980518105612672, SDSS J122106.30+652004.1, WDJ122106.31+652004.11, Gaia DR3 1680980518105612672, J1221+6520, SDSS J122106.31+652004.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 12 21 06.33 (0.1) 12 21 06.33 12 21 06.33 12 21 06.31 (0.1) 12 21 06.33
Declination 65 20 03.61 (0.1) 65 20 03.63 65 20 03.61 65 20 04.11 (0.1) 65 20 03.63
Spectral type DC DC DC DA DC
Effective temperature [K] 6113.0 (68) 6127.0 (60) 6113.0 (68) 6606.0 6362.0 6668.0 (120)
log(g) [cgs] 8.03 (0.02) 7.99 (0.02) 8.00 (0.02) 8.26 8.14 8.32 (0.03)
Mass [M] 0.587 (0.02) 0.568 (0.02) 0.569 (0.02) 0.753 0.661 0.794 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.3100 3.0560 2.7940
log(H/He) -3.0 -3.0 -3
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] 12.81 (0.1) 12.58 (0.2) 12.58 (0.2) 12.81 12.81 (0.1) 12.58 (0.2)
Distance [pc] 78.06 (0.8) 79.49 (1) 79.51 (1) 78.06 78.06 (0.8) 79.51 (1)
Composition He
Proper motion (right ascension) [mas/yr] 10.52789128 (0.1) 10.61884755 (0.3) 10.528 (0.1) 10.61884755
Proper motion (declination) [mas/yr] -30.76212218 (0.1) -30.76112706 (0.2) -30.762 (0.1) -30.76112706
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.42 (0.03) 19.47 (0.03) 19.42 (0.03)
g magnitude 18.79 (0.01) 18.85 (0.01)
r magnitude 18.54 (0.01) 18.58 (0.01)
i magnitude 18.49 (0.01) 18.49 (0.01)
z magnitude 18.50 (0.04) 18.59 (0.05)
G magnitude 18.55 (0.02) 18.58 18.55 18.55 (0.003) 18.58
BP magnitude 18.80 (0.02) 18.80 18.80
RP magnitude 18.17 (0.02) 18.15 18.15
Pan g magnitude 18.75 (0.01) 18.75 (0.01)
Pan r magnitude 18.52 (0.01) 18.52 (0.01)
Pan i magnitude 18.50 (0.007) 18.50 (0.005)
Pan z magnitude 18.50 (0.008) 18.50 (0.008)
Pan y magnitude 18.48 (0.03) 18.48 (0.02)
E(B-V) 0.005

* 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.