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Doubles in session


Current system
01078+0425
BU 1292
HD 6698


Nearby doubles
34' : 01100+0433
BAL2588

36' : 01090+0355
HEI 615

41' : 01094+0457
GWP 138

42' : 01058+0455
STF 90AB

45' : 01100+0356
LDS3238AB

46' : 01102+0453
SLE 253

48' : 01073+0512
SLN 51

52' : 01047+0401
GWP 126

56' : 01046+0357
BAL2082

61' : 01116+0446
GWP 146

66' : 01112+0345
BAL2083

68' : 01119+0453
HJ 2026AB

70' : 01119+0455
GIC 20AB

73' : 01073+0537
GWP 130

75' : 01084+0539
BUP 15AB

75' : 01035+0505
GIC9005

86' : 01134+0442
BAL2590

87' : 01100+0305
A 2312

90' : 01024+0504
HDS 135AB

96' : 01036+0313
A 2309

101' : 01075+0244
GWP 131

106' : 01094+0607
CVR1065

107' : 01008+0450
OCC 965

113' : 01026+0546
OCC 544

113' : 01150+0354
SKF1601

114' : 01092+0233
A 2311



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

01078+0425 BU 1292 (HD 6698)

 
 
01h 07m 46.41s +04° 24' 52.0" P.A. 228.00 sep 0.3 mag 9.87,10.61 Sp F5 dist. 321.54 pc (1048.86 l.y.)
 
 
Coord 2000 01078+0425 Discov num BU 1292 Comp Coord arcsec 2000 01 07 46.41 +04 24 52.0
Date first 1901 Date last 2013 Obs 17
Pa first 24 Pa last 227.9 P.A. Now (θ) 227.9°
Sep first 0.3 Sep last 0.255 Sep. Now (ρ) 0.255"
Mag pri 9.87 Mag sec 10.61 delta mag (ΔM) 0.74 Spectral class F5 (yellow-white)
Pri motion ra -012 Sec motion ra
Pri motion dec -039 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 6698 Constellation Pisces SAO 109692 HIP 5297
Tycho2 0022-00615-1 Gaia DR2 2540002397104309376 HD 6698 ADS 929
BD BD+03 161 Distance 321.54 Distance ly 1048.86
 
 
ORBITAL ELEMENTS
 
 
Period (P)285.3y Periastron (T)2020.7y Semi-major axis (a)0.309a
Eccentricity (e)0.214 Inclination (i)139.2° Longitude of periastron (ω)194.8°
Node (Ω)52.9° Notes ReferenceFMR2013a
Equinox2000 Last observation2012 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 252.6 0.243
2001 251.1 0.244
2002 249.6 0.244
2003 248.1 0.244
2004 246.6 0.245
2005 245.1 0.245
2006 243.7 0.245
2007 242.2 0.245
2008 240.7 0.245
2009 239.2 0.245
2010 237.7 0.245
2011 236.3 0.245
2012 234.8 0.245
2013 233.3 0.244
2014 231.8 0.244
2015 230.3 0.244
2016 228.8 0.243
2017 227.3 0.242
2018 225.7 0.242
2019 224.2 0.241
2020 222.7 0.240
2021 221.1 0.239
2022 219.6 0.238
2023 218.0 0.237
2024 216.4 0.236
2025 214.8 0.235
2026 213.2 0.234
2027 211.5 0.233
2028 209.9 0.231
2029 208.2 0.230
2030 206.5 0.229
2031 204.8 0.228
2032 203.1 0.226
2033 201.3 0.225
2034 199.5 0.223
2035 197.7 0.222
2036 195.9 0.221
2037 194.1 0.219
2038 192.2 0.218
2039 190.4 0.217
2040 188.4 0.216
2041 186.5 0.215
2042 184.6 0.213
2043 182.6 0.212
2044 180.6 0.211
2045 178.6 0.211
2046 176.6 0.210
2047 174.6 0.209
2048 172.5 0.208
2049 170.5 0.208
2050 168.4 0.207


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds01078%2B0425a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic