PB 6677

All names: SDSS J020747.74+070252.3, Gaia EDR3 2521211910889067648, Gaia DR3 2521211910889067648, WD 0205+068, GALEX J020747.7+070252, SDSS J020747.74+070252.2, PB 6677, Gaia DR2 2521211910889067648

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism sdss-wdms.org (29/04/2016) Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 02 07 47.73 (0.2) 02 07 47.74 02 07 47.73 (0.3) 02 07 47.74 02 07 47.75 (0.2) 02 07 47.02 02 07 47.74
Declination 07 02 52.00 (0.2) 07 02 52.24 07 02 52.01 (0.2) 07 02 52.30 07 02 52.36 (0.2) 07 02 49.56 07 02 52.30
Spectral type DA+M DA+M DA+M DA2.7 M DA+M DA
Effective temperature [K] 11840.0 18756.0 (369) 19288.0 (229)
log(g) [cgs] 6.78 7.38 (0.08) 7.43 (0.04)
Mass [M] 0.193 0.35 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
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] 1.59 (0.2) 1.65 (0.3) 1.59 (0.2)
Distance [pc] 628.31 (90) 604.65 (123) 491.00 (50) 628.30 (90)
Composition H
Proper motion (right ascension) [mas/yr] -19.91394386 (0.2) -19.37093826 (0.5) -19.914 (0.2)
Proper motion (declination) [mas/yr] -22.37563707 (0.2) -22.67114027 (0.4) -22.376 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS yes WDMS
B magnitude 18.50
V magnitude
R magnitude
I magnitude
J magnitude 18.34 (0.06)
H magnitude 18.50 (0.1)
K magnitude 17.90 (0.2)
u magnitude 18.94 (0.02) 19.26 18.94 (0.02) 19.25 18.95 (0.03)
g magnitude 18.73 (0.008) 19.05 18.73 (0.008) 19.04 18.76 (0.02)
r magnitude 19.03 (0.01) 19.35 19.03 (0.01) 19.35 19.04 (0.03)
i magnitude 19.23 (0.02) 19.58 19.23 (0.02) 19.58 19.25 (0.02)
z magnitude 19.11 (0.05) 19.44 19.11 (0.05) 19.44 19.16 (0.06)
G magnitude 18.86 (0.02) 18.90 18.86 (0.004)
BP magnitude 18.89 (0.02) 18.83
RP magnitude 18.92 (0.04) 18.97
Pan g magnitude 18.76 (0.007)
Pan r magnitude 19.02 (0.009)
Pan i magnitude 19.23 (0.02)
Pan z magnitude 19.27 (0.01)
Pan y magnitude 19.21 (0.04)
E(B-V) 0.051

* 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.