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Current system
19347-1806
HDS 2780
HD 184342


Nearby doubles
32' : 19354-1836
UC 3982

35' : 19336-1837
HJ 5128AB

41' : 19329-1735
FEN 35

47' : 19378-1749
RST3232

48' : 19342-1719
OCC 971

54' : 19338-1858
ARA 785

55' : 19385-1810
GWP2874

55' : 19385-1758
DAM 168

55' : 19385-1800
ALD 93

57' : 19337-1901
KPP 919

61' : 19364-1902
ARA 788AB

63' : 19362-1905
SEE 383

68' : 19344-1913
ARA 786

69' : 19300-1758
UC 3956

69' : 19382-1854
HJ 2881

74' : 19399-1813
LDS4813

75' : 19397-1827
HJ 2884

76' : 19297-1745
UC 3953

81' : 19293-1742
HJ 5124

82' : 19334-1647
ARA 120

84' : 19292-1831
UC 3949

86' : 19396-1854
ARA 791

87' : 19320-1649
HLD 152AB

89' : 19397-1713
GWP2877

89' : 19342-1934
HDS2778

90' : 19338-1935
J 1761



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

19347-1806 HDS 2780 (HD 184342)

 
 
19h 34m 43.44s -18° 06' 04.3" P.A. 305.00 sep 0.4 mag 9.73,11.02 Sp A0V dist. 270.27 pc (881.62 l.y.)
 
 
Coord 2000 19347-1806 Discov num HDS2780 Comp Coord arcsec 2000 19 34 43.44 -18 06 04.3
Date first 1991 Date last 2021 Obs 2
Pa first 291 Pa last 305.2 P.A. Now (θ) 305.2°
Sep first 0.3 Sep last 0.4 Sep. Now (ρ) 0.4"
Mag pri 9.73 Mag sec 11.02 delta mag (ΔM) 1.29 Spectral class A0V (white)
Pri motion ra +002 Sec motion ra
Pri motion dec -013 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 184342 Constellation Sagittarius SAO 162787 HIP 96291
Tycho2 6302-02836-1 Gaia DR2 4179533384132728832 HD 184342 BD BD-18 5420
Distance 270.27 Distance ly 881.62
 
 
WDS 19347-1806 HDS 2780 (HD 184342) : 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
19347-1806 HDS2780 1991 1 291 0.3 9.45 12.45 A0V D 193443.44-180604.3
19347-1806 HDS2780 2021 2 305 0.4 9.73 11.02 A0V 193443.44-180604.3

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

 
 
WDS 19347-1806 HDS 2780 (HD 184342) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19347-1806 HDS 2780 (HD 184342) : MEASURES
 
 
No records found.

 
 
WDS 19347-1806 (HD 184342) : VIRTUAL EYEPIECE
 
 

19347-1806 HDS2780A mag 9.73 Sp A0V 19347-1806 HDS2780B sep 0.4 P.A. 306.60 mag 11.02 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19347-1806 (HD 184342) : ALADIN DSS IMAGE @ 19h 34m 43.44s -18° 06' 04.3"
 
 
 
 
WDS 19347-1806 HDS 2780 (HD 184342) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19347-1806 HDS2780 distance=0' 19354-1836 UC 3982 distance=32' 19336-1837 HJ 5128BC distance=35' 19336-1837 HJ 5128AB distance=35' 19329-1735 FEN 35 distance=41' 19378-1749 RST3232 distance=47' 19342-1719 OCC 971 distance=48' 19338-1858 ARA 785 distance=54' 19385-1810 GWP2874 distance=55' 19385-1758 DAM 168 distance=55' 19385-1800 ALD 93 distance=55' 19337-1901 KPP 919 distance=57' 19364-1902 ARA 788AB distance=61' 19364-1902 ARA 788AC distance=61' 19362-1905 SEE 383 distance=63' 19344-1913 ARA 786 distance=68' 19300-1758 UC 3956 distance=69' 19382-1854 HJ 2881 distance=69' 19399-1813 LDS4813 distance=74' 19397-1827 HJ 2884 distance=75' 19297-1745 UC 3953 distance=76' 19293-1742 HJ 5124 distance=81' 19334-1647 ARA 120 distance=82' 19292-1831 UC 3949 distance=84' 19396-1854 ARA 791 distance=86' 19320-1649 HLD 152AB distance=87' 19320-1649 HLD 152AC distance=87' 19397-1713 GWP2877 distance=89' 19342-1934 HDS2778 distance=89' 19338-1935 J 1761 distance=90' 19390-1912 HU 952 distance=91' 19380-1925 ARA 789AB distance=92' 19380-1925 BRT1554AC distance=92' 19380-1925 BRT1554BC distance=92' 19333-1637 OCC 9 distance=92' 19400-1903 GWP2878 distance=94' 19392-1654 OCC 534Aa,Ab distance=97' 19392-1654 S 722AB distance=97' 19289-1857 UC 3947 distance=98' 19399-1703 ARN 53 distance=98' 19372-1634 OCC9188 distance=99' 19357-1947 ARA 787 distance=102' 19277-1821 TOK 367 distance=102' 19276-1749 J 1759 distance=104' 19274-1741 J 1758 distance=108' 19403-1653 OCC 530 distance=109' 19340-1616 HJ 2880 distance=111' 19305-1944 USN 4 distance=115' 19267-1810 UC 3936 distance=116' 19420-1714 KPP3123 distance=117' 19384-1951 GWP2872 distance=117' 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 19347-1806 HDS2780 305 0.4
Show 19354-1836 UC 3982 232 88.0 32
Show 19336-1837 HJ 5128 BC 127 4.3 35
Show 19336-1837 HJ 5128 AB 110 21.3 35
Show 19329-1735 FEN 35 191 5.0 41
Show 19378-1749 RST3232 309 0.3 47
Show 19342-1719 OCC 971 -1 0.2 48
Show 19338-1858 ARA 785 329 12.7 54
Show 19385-1810 GWP2874 323 29.4 55
Show 19385-1758 DAM 168 222 3.0 55
Show 19385-1800 ALD 93 290 1.9 55
Show 19337-1901 KPP 919 63 7.6 57
Show 19364-1902 ARA 788 AB 19 15.0 61
Show 19364-1902 ARA 788 AC 284 12.4 61
Show 19362-1905 SEE 383 259 3.6 63
Show 19344-1913 ARA 786 233 13.5 68
Show 19300-1758 UC 3956 207 43.1 69
Show 19382-1854 HJ 2881 330 1.4 69
Show 19399-1813 LDS4813 130 2.4 74
Show 19397-1827 HJ 2884 118 18.8 75
Show 19297-1745 UC 3953 37 115.1 76
Show 19293-1742 HJ 5124 271 4.8 81
Show 19334-1647 ARA 120 188 12.0 82
Show 19292-1831 UC 3949 252 26.6 84
Show 19396-1854 ARA 791 86 11.7 86
Show 19320-1649 HLD 152 AB 269 0.4 87
Show 19320-1649 HLD 152 AC 349 43.0 87
Show 19397-1713 GWP2877 31 138.4 89
Show 19342-1934 HDS2778 339 0.1 89
Show 19338-1935 J 1761 54 6.7 90
Show 19390-1912 HU 952 294 1.6 91
Show 19380-1925 ARA 789 AB 72 8.4 92
Show 19380-1925 BRT1554 AC 126 5.4 92
Show 19380-1925 BRT1554 BC 212 6.8 92
Show 19333-1637 OCC 9 -1 0.1 92
Show 19400-1903 GWP2878 130 18.7 94
Show 19392-1654 OCC 534 Aa,Ab -1 0.1 97
Show 19392-1654 S 722 AB 236 10.3 97
Show 19289-1857 UC 3947 28 33.4 98
Show 19399-1703 ARN 53 253 26.8 98
Show 19372-1634 OCC9188 -1 0.0 99
Show 19357-1947 ARA 787 18 8.3 102
Show 19277-1821 TOK 367 234 0.2 102
Show 19276-1749 J 1759 314 6.8 104
Show 19274-1741 J 1758 34 4.9 108
Show 19403-1653 OCC 530 -1 0.0 109
Show 19340-1616 HJ 2880 149 4.1 111
Show 19305-1944 USN 4 203 1.5 115
Show 19267-1810 UC 3936 207 62.1 116
Show 19420-1714 KPP3123 115 1.8 117
Show 19384-1951 GWP2872 345 59.3 117

 
 
WDS 19347-1806 : COMPONENTS
 
 
  A
B pa=306.6°
sep=0.39"
 
 
19347-1806 A
 
 
Componente originario normalizzato AB Name HD 184342 Coord arcsec 2000 193443.44-180604.3 Mag 9.73
Spectral class A0V (white) PmRA 2.00 PmDE -13.0 SAO 162787
HIP 96291 Tycho2 6302-02836-1 HD 184342 BD BD-18 5420
Tycho2
Tycho2 6302-02836-1 Pflag RAmdeg 293.68100948 DEmdeg -18.10123931
PmRA 0.9 PmDE -14.4 E RAmdeg 10 E DEmdeg 12
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.41 EpDEm 1989.40
Num 9 Q RAmdeg 0.9 Q DEmdeg 1.5 Q pmRA 1.0
Q pmDE 1.5 BTmag 9.479 E BTmag 0.021 VTmag 9.395
E VTmag 0.022 Prox 999 TYC T HIP 96291
CCDM AB RAdeg 293.68100722 DEdeg -18.10120611 EpRA 1990 1.75
EpDE 1990 1.59 E RAdeg 10.2 E DEdeg 13.2 Posflg P
Corr -0.2
SAO
SAO 162787 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 -0.017 Vmag 8.9 SpType A0
Double code Source 22 CatNum 8381 DM BD-18 5420
DMcomp BDsup HD 184342 M HD 0
GC RA1950rad 5.11305237 DE1950rad -0.31784631 PmRA2000 0.0005
PmDE2000 -0.017
Hipparcos
Catalog H HIP 96291 Proxy H RAhms 19 34 43.44
DEdms -18 06 04.3 Vmag 9.35 VarFlag R Vmag H
RAdeg 293.681 DEdeg -18.1012 AstroRef A Plx 3.1
CCDM 19347-1806 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 291 Rho 0.311 HD 184342 BD BD-18 5420
CD CP Dm number -18 5420 VIred 0.08
SpType A0V R SpType Coord arcsec 2000 193443.44-180604.3
Hipparcos 2
HIP 96291 Sn 15 So 3 Nc 2
RArad 5.1257006006 DErad -0.3159256702 Plx 3.7 PmRA 1.96
PmDE -12.99 E RArad 1.24 E DErad 0.75 E Plx 1.36
E pmRA 1.51 E pmDE 0.87 Hpmag 9.3793 E Hpmag 0.0016
SHp 0.02 VA 0 BV 0.078 E BV 0.028
VI 0.09
CCDM
Ccdm 19347-1806 RComp Comp A Note1
Note2 Discov num DRAs 1.45 DDEs -4.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.4 Sp A0 PmNote *
PmRA 2 PmDE -13 Dm number -18 5420 Cat1 BD
Name2 162787 Cat2 SAO HD 184342 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 96291
 
 
19347-1806 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 193443.42-180604.1 Mag 11.02 Calc delta mag 1.29
Calc coord yes
CCDM
Ccdm 19347-1806 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.42 DDEs -4.4
R dRAs 82 Year 1991 Theta 291 Rho 0.3
Obs 1 Vmag 12.4 Sp PmNote *
PmRA 2 PmDE -13 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 96291