GD 66

All names: WD 0517+307, LAMOST J052038.36+304822.6, WDJ052038.32+304823.92, WD 0517+30, TIC 2515421, Gaia DR3 3446909137068558464, Gaia DR2 3446909137068558464, GEN# +6.10060066, EGGR 572, V* V361 Aur, LAMOST J052038.36+304822.65, 2MASS J05203829+3048239, GD 66, Gaia EDR3 3446909137068558464

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Guo et al. 2015 Zhao et al. 2013 Gianninas et al. 2011 Castanheira & Kepler 2009 Yeates et al. 2005 Fontaine et al. 1985 Dolez et al. 1983 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 05 20 38.39 (0.04) 05 20 38.39 (0.06) 05 20 38.36 05 20 38.39 05 20 38.32 (0.04) 05 20 38.39 05 20 37.90
Declination 30 48 21.97 (0.02) 30 48 22.03 (0.04) 30 48 22.65 30 48 21.97 30 48 23.92 (0.02) 30 48 22.03 30 48 28.08
Spectral type DA DA DA DA4.1 DAV DA6
Effective temperature [K] 16268.0 (225) 15924.0 (348) 12430.0 (197) 12210.0 12210.0 12210.0 12210.0 11727.0 (93) 11980.0
log(g) [cgs] 7.85 (0.05) 8.00 (0.07) 8.13 (0.05) 8.10 8.10 8.10 8.10 8.04 (0.008) 8.05
Mass [M] 0.54 (0.03) 0.61 (0.04) 0.68 (0.03) 0.63 (0.007)
log(Luminosity) [L]
Cooling age [Gyr] 0.1640 (0.03)
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] 17.51 (0.04) 17.48 (0.06) 17.51 17.51 (0.04) 17.48 (0.06)
Distance [pc] 57.10 (0.1) 57.21 (0.2) 24.00 57.00 57.10 57.11 (0.1) 57.21 (0.2)
Composition H
Proper motion (right ascension) [mas/yr] 57.21303733 (0.04) 57.24022389 (0.1) 57.213 (0.04) 57.24022389
Proper motion (declination) [mas/yr] -122.3476763 (0.03) -122.3991139 (0.07) -122.348 (0.03) -122.3991139
Variability VAR VAR VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.78
V magnitude 15.60 15.60 15.60 15.60 15.56 15.56
R magnitude
I magnitude
J magnitude 15.71 (0.07)
H magnitude 15.66 (0.1)
K magnitude 15.68 (0.2)
u magnitude
g magnitude 15.38 15.38
r magnitude 15.68 15.68
i magnitude 15.88 15.88
z magnitude
G magnitude 15.58 (0.003) 15.60 15.58 15.58 (0.003) 15.60
BP magnitude 15.59 (0.003) 15.59 15.59
RP magnitude 15.59 (0.004) 15.59 15.59
Pan g magnitude 15.53 (0.004)
Pan r magnitude 15.70 (0.003)
Pan i magnitude 15.90 (0.004)
Pan z magnitude 16.11 (0.004)
Pan y magnitude 16.25 (0.009)
E(B-V) 0.001
Period #1 [s] 197.4 197.2 196.7 197.0
Amplitude #1 [mma] 5.4 1.8 6
Period #2 [s] 256.0 197.6 271.4 256.0
Amplitude #2 [mma] 3.8 4.2 5.0
Period #3 [s] 271.7 198.1 301.4 273.0
Amplitude #3 [mma] 17.0 2.7 20.0
Period #4 [s] 302.8 255.9 810.4 304.0
Amplitude #4 [mma] 11.4 3.4 10
Period #5 [s] 256.2
Amplitude #5 [mma] 2.5
Period #6 [s] 271.2
Amplitude #6 [mma] 2.9
Period #7 [s] 271.7
Amplitude #7 [mma] 16.7
Period #8 [s] 272.2
Amplitude #8 [mma] 2.5
Period #9 [s] 302.8
Amplitude #9 [mma] 11.3
Period #10 [s] 518.6
Amplitude #10 [mma] 1.8
Period #11 [s] 523.3
Amplitude #11 [mma] 2.3

* 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.