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Doubles in session


Current system
18271-0853
HDS 2608
HD 169891


Nearby doubles
47' : 18257-0816
BRT 478

57' : 18285-1013
HJ 5497

81' : 18322-0922
BU 247

88' : 18311-0958
KPP2767

89' : 18331-0845
HJ 5498AB

89' : 18214-0915
BWE 1

99' : 18322-0750
BU 419

104' : 18321-0741
J 2518

107' : 18276-1039
DAM 320AB

112' : 18198-0917
SHN 230

114' : 18201-0936
MOC 14AB

115' : 18245-0704
BRT 477

118' : 18201-0759
STF2303

120' : 18322-0720
LDS 644

128' : 18204-1011
HER 2

129' : 18188-0929
RST4585

130' : 18355-0929
SLE 207

132' : 18314-1048
STF2325

132' : 18334-1026
BU 642AB

134' : 18343-1015
DAM 321

138' : 18181-0920
TDT 782

141' : 18331-1042
HDS2632AB

141' : 18193-0735
LDT 15

142' : 18247-0636
STF2313

144' : 18181-0943
RST4584

146' : 18308-1108
LDS 642



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18271-0853 HDS 2608 (HD 169891)

 
 
18h 27m 08.72s -08° 52' 42.9" P.A. 344.00 sep 0.1 mag 9.51,10.88 Sp K0 dist. 210.08 pc (685.28 l.y.)
 
 
Coord 2000 18271-0853 Discov num HDS2608 Comp Coord arcsec 2000 18 27 08.72 -08 52 42.9
Date first 1991 Date last 2013 Obs 2
Pa first 352 Pa last 344.3 P.A. Now (θ) 344.3°
Sep first 0.2 Sep last 0.118 Sep. Now (ρ) 0.118"
Mag pri 9.51 Mag sec 10.88 delta mag (ΔM) 1.37 Spectral class K0 (yellow-orange)
Pri motion ra -001 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 169891 Constellation Scutum SAO 142325 HIP 90436
Tycho2 5690-00286-1 Gaia DR2 4156217935150289920 HD 169891 BD BD-08 4610
Distance 210.08 Distance ly 685.28
 
 
WDS 18271-0853 HDS 2608 (HD 169891) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18271-0853 HDS2608 1991 1 352 0.2 9.51 10.88 K0 182708.72-085242.9
18271-0853 HDS2608 2013 2 344 0.1 9.51 10.88 K0 182708.72-085242.9

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 18271-0853 HDS 2608 (HD 169891) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18271-0853 HDS 2608 (HD 169891) : MEASURES
 
 
No records found.

 
 
WDS 18271-0853 (HD 169891) : VIRTUAL EYEPIECE
 
 

18271-0853 HDS2608A mag 9.51 Sp K0 18271-0853 HDS2608B sep 0.1 P.A. 344.50 mag 10.88 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18271-0853 (HD 169891) : ALADIN DSS IMAGE @ 18h 27m 08.72s -08° 52' 42.9"
 
 
 
 
WDS 18271-0853 HDS 2608 (HD 169891) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18271-0853 HDS2608 distance=0' 18257-0816 BRT 478 distance=47' 18285-1013 HJ 5497 distance=57' 18322-0922 BU 247 distance=81' 18311-0958 KPP2767 distance=88' 18331-0845 HJ 5498AB distance=89' 18331-0845 HJ 5498AC distance=89' 18331-0845 ABH 101AD distance=89' 18331-0845 ABH 101AE distance=89' 18214-0915 BWE 1 distance=89' 18322-0750 BU 419 distance=99' 18321-0741 J 2518 distance=104' 18276-1039 DAM 320AB distance=107' 18276-1039 DAM 320AC distance=107' 18198-0917 SHN 230 distance=112' 18201-0936 MOC 14AB distance=114' 18201-0936 MOC 14AC distance=114' 18201-0936 MOC 14AD distance=114' 18245-0704 BRT 477 distance=115' 18201-0759 STF2303 distance=118' 18322-0720 LDS 644 distance=120' 18204-1011 HER 2 distance=128' 18188-0929 RST4585 distance=129' 18305-1052 HDS2623Aa,Ab distance=130' 18355-0929 SLE 207 distance=130' 18314-1048 STF2325 distance=132' 18334-1026 BU 642AB distance=132' 18334-1026 BU 642AC distance=132' 18343-1015 DAM 321 distance=134' 18181-0920 TDT 782 distance=138' 18331-1042 HDS2632AB distance=141' 18331-1042 GII 268Aa,Ab distance=141' 18193-0735 LDT 15 distance=141' 18247-0636 STF2313 distance=142' 18181-0943 RST4584 distance=144' 18308-1108 LDS 642 distance=146' 18367-0811 KRV 21 distance=148' 18270-1125 TDT 874 distance=153' 18368-0800 SLE 213 distance=153' 18174-0946 HDS2584 distance=154' 18248-0621 TOK 320AB distance=156' 18248-0621 LSC 155Aa,Ab distance=156' 18248-0621 TOK 320Ba,Bb distance=157' 18274-0616 A 86 distance=157' 18381-0822 KRV 51 distance=165' 18349-0655 RST4590 distance=166' 18346-0643 BRT 480 distance=170' 18234-1137 BVD 126 distance=174' 18174-0717 HJ 857 distance=174' 18154-0850 BRT 476 distance=176' 18189-1101 HU 60 distance=177' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 18271-0853 HDS2608 344 0.1
Show 18257-0816 BRT 478 155 7.7 47
Show 18285-1013 HJ 5497 224 16.1 57
Show 18322-0922 BU 247 167 7.9 81
Show 18311-0958 KPP2767 237 11.7 88
Show 18331-0845 HJ 5498 AB 95 14.4 89
Show 18331-0845 HJ 5498 AC 168 25.2 89
Show 18331-0845 ABH 101 AD 124 49.4 89
Show 18331-0845 ABH 101 AE 165 83.6 89
Show 18214-0915 BWE 1 71 1.8 89
Show 18322-0750 BU 419 32 1.2 99
Show 18321-0741 J 2518 268 3.7 104
Show 18276-1039 DAM 320 AB 64 16.5 107
Show 18276-1039 DAM 320 AC 97 8.0 107
Show 18198-0917 SHN 230 -1 0.4 112
Show 18201-0936 MOC 14 AB 269 1.2 114
Show 18201-0936 MOC 14 AC 214 2.1 114
Show 18201-0936 MOC 14 AD 95 2.2 114
Show 18245-0704 BRT 477 291 4.0 115
Show 18201-0759 STF2303 253 1.5 118
Show 18322-0720 LDS 644 338 5.7 120
Show 18204-1011 HER 2 18 1.0 128
Show 18188-0929 RST4585 17 0.7 129
Show 18305-1052 HDS2623 Aa,Ab 80 0.0 130
Show 18355-0929 SLE 207 252 16.4 130
Show 18314-1048 STF2325 257 12.4 132
Show 18334-1026 BU 642 AB 89 4.2 132
Show 18334-1026 BU 642 AC 30 63.3 132
Show 18343-1015 DAM 321 53 4.5 134
Show 18181-0920 TDT 782 85 0.4 138
Show 18331-1042 HDS2632 AB 24 0.5 141
Show 18331-1042 GII 268 Aa,Ab 138 0.1 141
Show 18193-0735 LDT 15 133 0.5 141
Show 18247-0636 STF2313 196 5.8 142
Show 18181-0943 RST4584 118 1.1 144
Show 18308-1108 LDS 642 336 80.6 146
Show 18367-0811 KRV 21 29 24.7 148
Show 18270-1125 TDT 874 299 0.8 153
Show 18368-0800 SLE 213 261 14.5 153
Show 18174-0946 HDS2584 352 0.7 154
Show 18248-0621 TOK 320 AB 321 55.2 156
Show 18248-0621 LSC 155 Aa,Ab 261 0.3 156
Show 18248-0621 TOK 320 Ba,Bb 259 0.1 157
Show 18274-0616 A 86 288 2.8 157
Show 18381-0822 KRV 51 128 28.4 165
Show 18349-0655 RST4590 33 0.9 166
Show 18346-0643 BRT 480 18 4.9 170
Show 18234-1137 BVD 126 290 19.2 174
Show 18174-0717 HJ 857 18 21.3 174
Show 18154-0850 BRT 476 135 4.0 176
Show 18189-1101 HU 60 260 1.4 177

 
 
WDS 18271-0853 : COMPONENTS
 
 
  A
B pa=344.5°
sep=0.12"
 
 
18271-0853 A
 
 
Componente originario normalizzato AB Name HD 169891 Coord arcsec 2000 182708.72-085242.9 Mag 9.51
Spectral class K0 (yellow-orange) PmRA -1.00 PmDE -23.0 SAO 142325
HIP 90436 Tycho2 5690-00286-1 HD 169891 BD BD-08 4610
Tycho2
Tycho2 5690-00286-1 Pflag RAmdeg 276.78630941 DEmdeg -8.87863401
PmRA -3.1 PmDE -20.1 E RAmdeg 17 E DEmdeg 19
E pmRA 1.2 E pmDE 1.3 EpRAm 1984.08 EpDEm 1983.83
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.5 BTmag 11.807 E BTmag 0.118 VTmag 9.363
E VTmag 0.027 Prox 999 TYC T HIP 90436
CCDM AB RAdeg 276.78631917 DEdeg -8.87858389 EpRA 1990 1.73
EpDE 1990 1.66 E RAdeg 23.4 E DEdeg 25.5 Posflg P
Corr 0.1
SAO
SAO 142325 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.028 Vmag 8.7 SpType K0
Double code Source 26 CatNum 6195 DM BD-08 4610
DMcomp BDsup HD 169891 M HD 0
GC RA1950rad 4.81889356 DE1950rad -0.15550208 PmRA2000 0.0003
PmDE2000 -0.027
Hipparcos
Catalog H HIP 90436 Proxy H RAhms 18 27 08.72
DEdms -08 52 42.9 Vmag 9.07 VarFlag R Vmag H
RAdeg 276.786 DEdeg -8.87859 AstroRef * Plx 3.43
CCDM 18271-0853 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual C M HIP AB
Theta 352 Rho 0.15 HD 169891 BD BD-08 4610
CD CP Dm number -08 4610 VIred 1.03
SpType K0 R SpType Coord arcsec 2000 182708.72-085242.9
Hipparcos 2
HIP 90436 Sn 55 So 3 Nc 2
RArad 4.8308325626 DErad -0.1549606439 Plx 4.76 PmRA -0.35
PmDE -24.03 E RArad 1.46 E DErad 1.12 E Plx 1.49
E pmRA 1.46 E pmDE 1.2 Hpmag 9.2353 E Hpmag 0.0039
SHp 0.023 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 18271-0853 RComp Comp A Note1
Note2 Discov num DRAs 2.72 DDEs 16.8
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.5 Sp K0 PmNote *
PmRA -1 PmDE -23 Dm number -08 4610 Cat1 BD
Name2 142325 Cat2 SAO HD 169891 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90436
 
 
18271-0853 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182708.72-085242.8 Mag 10.88 Calc delta mag 1.37
Calc coord yes
CCDM
Ccdm 18271-0853 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.72 DDEs 17.0
R dRAs 82 Year 1991 Theta 352 Rho 0.2
Obs 1 Vmag 10.9 Sp PmNote *
PmRA -1 PmDE -23 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90436