SDSS J165530.45+374048.7

All names: Gaia DR3 1351353632247181568, SDSS J165530.46+374048.7, Gaia EDR3 1351353632247181568, SDSS J165530.46+374048.8, SDSS J165530.45+374048.7, GALEX J165530.4+374048, WD 1653+377, Gaia DR2 1351353632247181568

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 16 55 30.45 (0.5) 16 55 30.46 16 55 30.45 (0.8) 16 55 30.46 (0.5) 16 55 30.45 16 55 30.19 16 55 30.46
Declination 37 40 48.69 (0.7) 37 40 48.72 37 40 48.69 (1) 37 40 48.72 (0.7) 37 40 48.72 37 40 48.00 37 40 48.75
Spectral type DA DA DA_auto DA DA
Effective temperature [K] 12016.0 20479.0 (907) 21724.0 (955)
log(g) [cgs] 7.94 7.30 (0.2) 7.78 (0.3)
Mass [M] 0.57
log(Luminosity) [L]
Cooling age [Gyr] 0.3431
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] -0.25 (0.7) -1.59 (1)
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] -5.186476378 (0.8) -2.706836788 (2) -5.186 (0.8) -5.3
Proper motion (declination) [mas/yr] -2.2527514 (0.8) -0.882493913 (2) -2.253 (0.8) -35.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.44 (0.04) 20.39 (0.04) 20.39 (0.04) 20.38 20.40 (0.04)
g magnitude 20.42 (0.02) 20.35 (0.02) 20.36 (0.02) 20.35 20.36 (0.02)
r magnitude 20.81 (0.03) 20.73 (0.04) 20.73 (0.04) 20.72 20.73 (0.04)
i magnitude 21.06 (0.05) 21.16 (0.06) 21.16 (0.06) 21.15 21.16 (0.06)
z magnitude 20.88 (0.2) 21.36 (0.3) 21.39 (0.3) 21.38 21.41 (0.3)
G magnitude 20.59 (0.1) 20.68 20.59 (0.008)
BP magnitude 20.50 (0.1) 20.49
RP magnitude 20.30 (0.1) 20.41
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)

* 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.