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Doubles in session


Current system
18549-1733
RST 3205 AB


Nearby doubles
9' : 18553-1738
HJ 2844

15' : 18559-1735
HJ 2845

32' : 18528-1725
HU 257

45' : 18528-1658
J 2238

48' : 18557-1646
J 1661

49' : 18516-1719
HU 255

57' : 18510-1747
HJ 2842

61' : 18560-1637
J 1662

68' : 18555-1626
ARA 112

70' : 18531-1838
HO 569AB

72' : 18555-1623
SOZ 18

73' : 18562-1843
OCC 964

73' : 18593-1658
RST3209

73' : 18506-1813
RST3200

75' : 18529-1625
RST4021

76' : 18509-1646
HLD 148

76' : 18530-1623
RST4022

77' : 18503-1812
TDT1080

77' : 18505-1818
TDT1081

79' : 18494-1740
TDT1072

80' : 18494-1750
HJ 2840

82' : 19002-1704
GWP2801AB

82' : 18498-1655
TDT4316

84' : 18551-1609
BRT 634

85' : 18496-1654
HWE 44AB

87' : 18500-1826
J 1658



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.

18549-1733 RST 3205 AB

 
 
18h 54m 52.14s -17° 33' 10.3" P.A. 300.00 sep 0.5 mag 10.23,10.17 Sp K2
 
 
Coord 2000 18549-1733 Discov num RST3205 Comp AB Coord arcsec 2000 18 54 52.14 -17 33 10.3
Date first 1935 Date last 1991 Obs 5
Pa first 306 Pa last 299.9 P.A. Now (θ) 299.9°
Sep first 0.4 Sep last 0.53 Sep. Now (ρ) 0.53"
Mag pri 10.23 Mag sec 10.17 delta mag (ΔM) 0.06 Spectral class K2 (yellow-orange)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
18549-1733 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 54 52 -17 33 10 RST 3205 AB 1991 5 300 0.5 10.23 10.17 0.06 <===
Show 18 54 52 -17 33 10 HJ 2843 AB,C 1999 3 339 22.0 9.57 13.00 3.43
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Sagittarius Tycho2 6285-02607-1 Gaia DR2 4086972788766155520
 
 
WDS 18549-1733 RST 3205 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
Rst1933 T - Rossiter, R.A. 1933MmRAS..65...27R
Rst1933 MemRAS 65, 27, 1933
Rst1937 Ma - Rossiter, R.A. 1937MmRAS..65...51R
Rst1937 MemRAS 65, 51, 1937
Rst1943 Ma - Rossiter, R.A. 1943POMic...8..133R
Rst1943 Pub. Univ. Michigan Obs. 8, 133, 1943
Rst1944 - Rossiter, R.A. 1944POMic...9....1R
Rst1944 Pub. Univ. Michigan Obs. 9, 1, 1944
Rst1947 Ma - Rossiter, R.A. 1947POMic...9....7R
Rst1947 Pub. Univ. Michigan Obs. 9, 7, 1947
Rst1955 Ma j Rossiter, R.A. 1955POMic..11....1R
Rst1955 +P+ Pub. Univ. Michigan Obs. 11, 1, 1955
Rst1964 Ma - Rossiter, R.A. 1964POMic...9...73R
Rst1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18549-1733 RST3205 AB 1991 5 300 0.5 10.23 10.17 K2 185452.14-173310.3

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

 
 
WDS 18549-1733 RST 3205 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18549-1733 RST 3205 AB : MEASURES
 
 
No records found.

 
 
WDS 18549-1733 : VIRTUAL EYEPIECE
 
 

18549-1733 RST3205A mag 10.23 Sp K2 18549-1733 RST3205B sep 0.5 P.A. 301.10 mag 10.17 18549-1733 HJ 2843C sep 21.9 P.A. 340.00 mag 13 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 18549-1733 : ALADIN DSS IMAGE @ 18h 54m 52.14s -17° 33' 10.3"
 
 
 
 
WDS 18549-1733 RST 3205 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18549-1733 RST3205AB distance=0' 18553-1738 HJ 2844 distance=9' 18559-1735 HJ 2845 distance=15' 18528-1725 HU 257 distance=32' 18528-1658 J 2238 distance=45' 18557-1646 J 1661 distance=48' 18516-1719 HU 255 distance=49' 18510-1747 HJ 2842 distance=57' 18560-1637 J 1662 distance=61' 18555-1626 ARA 112 distance=68' 18531-1838 HO 569AB distance=70' 18531-1838 OCC9186Aa,Ab distance=70' 18555-1623 SOZ 18 distance=72' 18562-1843 OCC 964 distance=73' 18593-1658 RST3209 distance=73' 18506-1813 RST3200 distance=73' 18529-1625 RST4021 distance=75' 18509-1646 HLD 148 distance=76' 18530-1623 RST4022 distance=76' 18503-1812 TDT1080 distance=77' 18505-1818 TDT1081 distance=77' 18494-1740 TDT1072 distance=79' 18494-1750 HJ 2840 distance=80' 19002-1704 GWP2801AB distance=82' 18498-1655 TDT4316 distance=82' 18551-1609 BRT 634 distance=84' 18496-1654 HWE 44AB distance=85' 18496-1654 HWE 44AC distance=85' 18496-1654 KNP 3AD distance=85' 18500-1826 J 1658 distance=87' 18487-1702 J 2235AB distance=94' 18487-1702 J 2235BC distance=94' 18498-1836 TDT1075 distance=97' 18575-1903 HDS2687 distance=98' 18526-1909 ARA 764 distance=102' 19020-1705 OCC9061 distance=106' 18480-1814 RST3198 distance=107' 18480-1817 WSI 36 distance=108' 18488-1836 KUI 88 distance=108' 18482-1820 J 1636 distance=108' 18488-1838 RSS 491 distance=108' 18480-1647 HJ 2838 distance=110' 19019-1818 MRA 26 distance=110' 18496-1854 OCC 454 distance=111' 19016-1841 DYL 29AB distance=118' 19016-1841 DYL 29BC distance=118' 18597-1909 BRT1544 distance=118' 19010-1613 HU 260 distance=119' 18477-1633 RST4020 distance=120' 19034-1749 DON 944 distance=121' 19033-1719 GWP2804 distance=122' 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 18549-1733 RST3205 AB 300 0.5
Show 18549-1733 HJ 2843 AB,C 339 22.0
Show 18553-1738 HJ 2844 105 23.7 9
Show 18559-1735 HJ 2845 6 3.9 15
Show 18528-1725 HU 257 341 2.1 32
Show 18528-1658 J 2238 182 4.8 45
Show 18557-1646 J 1661 98 4.5 48
Show 18516-1719 HU 255 166 1.4 49
Show 18510-1747 HJ 2842 338 29.9 57
Show 18560-1637 J 1662 191 4.5 61
Show 18555-1626 ARA 112 176 10.7 68
Show 18531-1838 HO 569 AB 38 15.6 70
Show 18531-1838 OCC9186 Aa,Ab -1 -1.0 70
Show 18555-1623 SOZ 18 142 17.7 72
Show 18562-1843 OCC 964 -1 0.0 73
Show 18593-1658 RST3209 126 0.4 73
Show 18506-1813 RST3200 0.7 73
Show 18529-1625 RST4021 118 0.2 75
Show 18509-1646 HLD 148 30 5.0 76
Show 18530-1623 RST4022 312 0.4 76
Show 18503-1812 TDT1080 134 0.9 77
Show 18505-1818 TDT1081 75 0.5 77
Show 18494-1740 TDT1072 310 0.7 79
Show 18494-1750 HJ 2840 173 15.2 80
Show 19002-1704 GWP2801 AB 67 307.7 82
Show 18498-1655 TDT4316 333 45.1 82
Show 18551-1609 BRT 634 337 3.9 84
Show 18496-1654 HWE 44 AB 298 2.0 85
Show 18496-1654 HWE 44 AC 308 36.4 85
Show 18496-1654 KNP 3 AD 200 22.2 85
Show 18500-1826 J 1658 59 8.4 87
Show 18487-1702 J 2235 AB 203 90.0 94
Show 18487-1702 J 2235 BC 5 6.6 94
Show 18498-1836 TDT1075 97 0.5 97
Show 18575-1903 HDS2687 346 1.9 98
Show 18526-1909 ARA 764 221 10.8 102
Show 19020-1705 OCC9061 254 0.1 106
Show 18480-1814 RST3198 154 0.4 107
Show 18480-1817 WSI 36 262 15.8 108
Show 18488-1836 KUI 88 153 0.5 108
Show 18482-1820 J 1636 78 7.1 108
Show 18488-1838 RSS 491 334 10.8 108
Show 18480-1647 HJ 2838 335 33.4 110
Show 19019-1818 MRA 26 298 0.0 110
Show 18496-1854 OCC 454 -1 0.1 111
Show 19016-1841 DYL 29 AB 71 10.9 118
Show 19016-1841 DYL 29 BC 135 5.9 118
Show 18597-1909 BRT1544 322 2.3 118
Show 19010-1613 HU 260 300 2.8 119
Show 18477-1633 RST4020 26 3.5 120
Show 19034-1749 DON 944 241 0.7 121

 
 
WDS 18549-1733 : COMPONENTS
 
 
  A B
B pa=301.1°
sep=0.51"
 
C pa=340.0°
sep=21.92"
pa=340.8°
sep=21.53"
 
 
18549-1733 A
 
 
Coord arcsec 2000 185452.14-173310.3 Mag 10.23 Spectral class K2 (yellow-orange) PmRA 0.00
PmDE -1.0 DM BD-17 5372
CCDM
Ccdm 18549-1733 RComp Comp A Note1
Note2 Discov num DRAs -1.85 DDEs -10.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.7 Sp K2 PmNote *
PmRA 11 PmDE -1 Dm number -17 5372 Cat1 BD
Name2 161970 Cat2 SAO HD M HD
ADS BDS B 8886 M ADS BDS N IDS IDS 18491S1741A
HIC
 
 
18549-1733 B
 
 
Coord arcsec 2000 185452.11-173310.0 Mag 10.17 PmRA 0.00 PmDE -1.0
Tycho2 6285-02607-1 Calc delta mag 0.06 Calc coord yes
Tycho2
Tycho2 6285-02607-1 Pflag RAmdeg 283.71727274 DEmdeg -17.55288277
PmRA -0.1 PmDE -1.4 E RAmdeg 18 E DEmdeg 23
E pmRA 1.7 E pmDE 1.8 EpRAm 1985.84 EpDEm 1984.43
Num 8 Q RAmdeg 1.3 Q DEmdeg 1.6 Q pmRA 1.4
Q pmDE 1.6 BTmag 11.513 E BTmag 0.085 VTmag 9.569
E VTmag 0.028 Prox 999 TYC T HIP
CCDM RAdeg 283.71727444 DEdeg -17.55287444 EpRA 1990 1.83
EpDE 1990 1.76 E RAdeg 21.9 E DEdeg 28.0 Posflg P
Corr 0.0
CCDM
Ccdm 18549-1733 RComp Comp B Note1
Note2 Discov num RST3205 DRAs DDEs
R dRAs Year 1934 Theta 307 Rho 0.4
Obs 5 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18491S1741B
HIC
 
 
18549-1733 C
 
 
Coord arcsec 2000 185451.62-173249.7 Mag 13 PmRA 2.00 PmDE 5.0
Calc delta mag 2.77 Calc coord yes
CCDM
Ccdm 18549-1733 RComp Comp C Note1
Note2 Discov num HJ 2843 DRAs DDEs
R dRAs Year 1830 Theta 350 Rho 12.0
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 8886 M ADS BDS N IDS IDS 18491S1741C
HIC