SDSS J120630.63+145435.6

All names: Gaia DR3 3921972269928228096, J1206+1454, SDSS J120630.63+145435.68, SDSS J120630.63+145435.6, Gaia DR2 3921972269928228096, Gaia EDR3 3921972269928228096

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 12 06 30.60 (1) 12 06 30.63 12 06 30.63 12 06 30.60 (2) 12 06 30.64 (1)
Declination 14 54 35.98 (1) 14 54 35.68 14 54 35.71 14 54 35.97 (1) 14 54 35.51 (1)
Spectral type DZ DZ DZ DZ
Effective temperature [K] 6774.0 (226) 8518.0 8023.0 (136)
log(g) [cgs] 8.38 8.81 8.00 (0)
Mass [M] 0.8179 1.103
log(Luminosity) [L]
Cooling age [Gyr] 3.5500 3.1150
log(H/He) <-3.3237
log(C/He)
log(Ca/He) -9.7959 (0.2) -9.044 (0.1)
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] 6.95 (2) 4.62 4.62 (2) 6.95 (2)
Distance [pc] 143.80 (41) 216.33 (92) 216.33 (92) 143.80 (41)
Composition He He He
Proper motion (right ascension) [mas/yr] -35.88788527 (2) -31.09535162 (4) -35.888 (2)
Proper motion (declination) [mas/yr] 29.45001349 (1) 28.70339772 (2) 29.45 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.52 (0.1) 21.57 (0.09) 21.57 (0.09)
g magnitude 20.92 (0.03) 20.96 (0.03) 20.96 (0.03)
r magnitude 20.75 (0.03) 20.77 (0.03) 20.77 (0.03)
i magnitude 20.79 (0.04) 20.81 (0.04) 20.81 (0.04)
z magnitude 20.64 (0.1) 20.66 (0.1) 20.66 (0.1)
G magnitude 20.77 (0.2) 20.86 20.77 (0.01)
BP magnitude 20.71 (0.2) 20.70
RP magnitude 20.22 (0.2) 20.47
Pan g magnitude 20.93 (0.05)
Pan r magnitude 20.76 (0.02)
Pan i magnitude 20.89 (0.02)
Pan z magnitude 21.04 (0.04)
Pan y magnitude 20.45 (0.2)
E(B-V) 0.008

* 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.