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Doubles in session


Current system
18490+2110
STF 2401 AB
HD 174261


Nearby doubles
18' : 18487+2053
RAS 27

19' : 18498+2124
HU 327

27' : 18473+2125
GRV 239

31' : 18509+2058
COU 317AB

31' : 18500+2043
HU 328

37' : 18515+2117
TDT1091

41' : 18498+2149
BRT2449

44' : 18482+2028
TDT1060

48' : 18517+2041
J 809

49' : 18523+2126
ISO 8

53' : 18527+2112
TDT1103

59' : 18511+2200
TDT1086

60' : 18457+2033
HJ 2839AB

61' : 18528+2043
TDT1105

64' : 18490+2213
GRV 241

68' : 18472+2213
JNN 119

68' : 18443+2052
HU 325

69' : 18490+2219
TDT1068

72' : 18505+2002
KU 121

73' : 18523+2206
TDT1096

77' : 18474+1957
TDT1056

78' : 18444+2015
ALD 4AB

78' : 18496+1953
MMA 28

80' : 18508+1954
KPP 426

81' : 18525+2007
TDT1101

81' : 18501+1952
TDT1079



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 18490+2110 : COMPONENTS
 
 
  A B
B pa=36.1°
sep=4.01"
 
C pa=150.4°
sep=91.25"
pa=152.7°
sep=92.98"
 
 
18490+2110 A
 
 
Name HD 174261 Coord arcsec 2000 184857.83+211001.3 Mag 7.27 Spectral class B3V (blue-white)
PmRA -1.00 PmDE -12.0 SAO 86458 HIP 92321
Tycho2 1596-02516-1 HD 174261 GC 25789 BD BD+21 3560
Tycho2
Tycho2 1596-02516-1 Pflag RAmdeg 282.24096843 DEmdeg 21.16700482
PmRA -1.3 PmDE -11.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.38 EpDEm 1991.48
Num 11 Q RAmdeg 2.8 Q DEmdeg 4.2 Q pmRA 2.8
Q pmDE 4.3 BTmag 7.220 E BTmag 0.015 VTmag 7.270
E VTmag 0.011 Prox 43 TYC T HIP 92321
CCDM A RAdeg 282.24097083 DEdeg 21.16703056 EpRA 1990 1.59
EpDE 1990 1.75 E RAdeg 4.3 E DEdeg 4.2 Posflg
Corr 0.3
SAO
SAO 86458 DelFlag RA1950 PmRA1950 0.0011
DE1950 PmDE1950 0.001 Vmag 7.2 SpType B5
Double code Source 70 CatNum 25789 DM BD+21 3560
DMcomp BDsup HD 174261 M HD 0
GC 25789 RA1950rad 4.91669191 DE1950rad 0.36842893 PmRA2000 0.0012
PmDE2000 0.001
Hipparcos
Catalog H HIP 92321 Proxy H RAhms 18 48 57.83
DEdms +21 10 01.3 Vmag 7.13 VarFlag R Vmag G
RAdeg 282.241 DEdeg 21.167 AstroRef A Plx 1.26
CCDM 18490+2110 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 38 Rho 4.267 HD 174261 BD BD+21 3560
CD CP Dm number +21 3560 VIred 0.03
SpType B5V R SpType Coord arcsec 2000 184857.83+211001.3
Hipparcos 2
HIP 92321 Sn 15 So 3 Nc 2
RArad 4.9260342247 DErad 0.3694343919 Plx 0.34 PmRA 2.78
PmDE -5.65 E RArad 0.39 E DErad 0.55 E Plx 0.84
E pmRA 0.58 E pmDE 0.7 Hpmag 7.1205 E Hpmag 0.001
SHp 0.011 VA 0 BV 0.01 E BV 0.015
VI 0.03
CCDM
Ccdm 18490+2110 RComp Comp A Note1
Note2 Discov num DRAs -2.16 DDEs 0.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.1 Sp B5 PmNote *
PmRA -1 PmDE -27 Dm number +21 3560 Cat1 BD
Name2 +21 1895 Cat2 AGK2/3 HD 174261 M HD
ADS BDS A11715 M ADS BDS N IDS IDS 18447N2103A
HIC 92321
 
 
18490+2110 B
 
 
Coord arcsec 2000 184858.00+211004.5 Mag 9.27 PmRA 4.00 PmDE -5.0
Calc delta mag 2 Calc coord yes
CCDM
Ccdm 18490+2110 RComp Comp B Note1
Note2 Discov num STF2401 DRAs DDEs
R dRAs Year 1828 Theta 038 Rho 4.3
Obs 22 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11715 M ADS BDS N IDS IDS 18447N2103B
HIC 92321
 
 
18490+2110 C
 
 
Coord arcsec 2000 184901.05+210841.9 Mag 11.09 PmRA 16.00 PmDE 2.0
Calc delta mag 3.82 Calc coord yes
CCDM
Ccdm 18490+2110 RComp Comp C Note1
Note2 Discov num STF2401 DRAs DDEs
R dRAs Year 1935 Theta 150 Rho 78.6
Obs 1 Vmag Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11715 M ADS BDS N IDS IDS 18447N2103C
HIC