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Doubles in session


Current system
17387+1834
BUP 177 BC


Nearby doubles
8' : 17387+1840
SLO 1AB

30' : 17372+1809
TDT 436

48' : 17353+1853
KPP3319

48' : 17376+1747
BPM 690

56' : 17348+1812
TDT 422

76' : 17336+1801
BPM 688

79' : 17332+1900
GRV 960

79' : 17439+1829
TDT 480

79' : 17339+1747
COU 627

82' : 17433+1751
BPM 696

87' : 17433+1741
STH 4

92' : 17445+1900
STF2206

94' : 17438+1742
TOB 264

95' : 17429+1724
TOB 266

98' : 17440+1738
TOB 265

98' : 17421+1707
LDS1001

105' : 17313+1901
COU 499

108' : 17453+1750
TDT 488

109' : 17406+2017
AG 211

111' : 17388+1643
BPM 692

116' : 17457+1743
STF2205

118' : 17339+1655
LDT 22

120' : 17338+2013
UC 3368

121' : 17304+1913
RAO 373

124' : 17375+2036
GAU 21AB

124' : 17428+2017
COU 28



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.
 
 
WDS 17387+1834 : COMPONENTS
 
 
  A B C
B pa=265.9°
sep=271.46"
 
C pa=267.5°
sep=373.22"
pa=271.7°
sep=102.14"
 
D pa=266.1°
sep=377.27"
pa=266.6°
sep=105.82"
pa=201.1°
sep=9.85"
 
 
17387+1834 A
 
 
Coord arcsec 2000 173841.82+183342.0 Mag 9.64 Spectral class K5 (yellow-orange) PmRA 56.00
PmDE -102.0 Tycho2 1555-00337-1
Tycho2
Tycho2 1555-00337-1 Pflag RAmdeg 264.67427145 DEmdeg 18.56168060
PmRA 56.9 PmDE -101.6 E RAmdeg 14 E DEmdeg 14
E pmRA 1.1 E pmDE 1.1 EpRAm 1988.94 EpDEm 1989.06
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.5 BTmag 10.644 E BTmag 0.033 VTmag 9.640
E VTmag 0.021 Prox 999 TYC T HIP
CCDM RAdeg 264.67413250 DEdeg 18.56191694 EpRA 1990 1.57
EpDE 1990 1.61 E RAdeg 15.1 E DEdeg 14.5 Posflg
Corr -0.1
 
 
17387+1834 B
 
 
Coord arcsec 2000 173822.78+183322.4 Coord calc 173822.78+183322.4 Mag 11.35 PmRA 10.00
PmDE -24.0 Tycho2 1555-00119-1 Calc delta mag 1.71
Tycho2
Tycho2 1555-00119-1 Pflag RAmdeg 264.59493501 DEmdeg 18.55624222
PmRA 10.2 PmDE -23.8 E RAmdeg 48 E DEmdeg 44
E pmRA 1.6 E pmDE 1.6 EpRAm 1980.97 EpDEm 1982.70
Num 3 Q RAmdeg 0.1 Q DEmdeg 1.4 Q pmRA 0.1
Q pmDE 1.4 BTmag 11.850 E BTmag 0.071 VTmag 11.353
E VTmag 0.078 Prox 999 TYC T HIP
CCDM RAdeg 264.59490944 DEdeg 18.55629722 EpRA 1990 1.57
EpDE 1990 1.68 E RAdeg 50.9 E DEdeg 45.8 Posflg
Corr 0.0
 
 
17387+1834 C
 
 
Coord arcsec 2000 173815.60+183325.4 Coord calc 173815.60+183325.4 Mag 9.77 Spectral class F6V (yellow-white)
PmRA -188.00 PmDE -206.0 HIP 86321 Tycho2 1555-00645-1
BD BD+18 3423 Calc delta mag 0.13
Tycho2
Tycho2 1555-00645-1 Pflag RAmdeg 264.56504182 DEmdeg 18.55708044
PmRA -187.1 PmDE -203.6 E RAmdeg 14 E DEmdeg 13
E pmRA 1.1 E pmDE 1.1 EpRAm 1988.56 EpDEm 1988.96
Num 11 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 10.334 E BTmag 0.026 VTmag 9.791
E VTmag 0.023 Prox 999 TYC T HIP 86321
CCDM RAdeg 264.56550528 DEdeg 18.55755083 EpRA 1990 1.56
EpDE 1990 1.64 E RAdeg 14.7 E DEdeg 13.7 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 86321 Proxy RAhms 17 38 15.73
DEdms +18 33 27.3 Vmag 9.77 VarFlag R Vmag H
RAdeg 264.566 DEdeg 18.5576 AstroRef Plx 8.93
CCDM 17385+1834 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+18 3423
CD CP Dm number +18 3423 VIred 0.55
SpType F6V R SpType Coord arcsec 2000 173815.73+183327.3
Hipparcos 2
HIP 86321 Sn 5 So 0 Nc 1
RArad 4.6175394299 DErad 0.3238907798 Plx 8.38 PmRA -188.68
PmDE -205.62 E RArad 0.77 E DErad 0.88 E Plx 1.29
E pmRA 1.09 E pmDE 1.16 Hpmag 9.8714 E Hpmag 0.0021
SHp 0.022 VA 0 BV 0.48 E BV 0.015
VI 0.55
 
 
17387+1834 D
 
 
Coord arcsec 2000 173815.35+183316.2 Mag 18.05 Calc delta mag 8.41 Calc coord yes