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Doubles in session


Current system
21355-1846
I 380 AC


Nearby doubles
16' : 21345-1841
UC 4499AB

29' : 21353-1915
OCC 70

35' : 21332-1836
BRT1568

45' : 21380-1913
LDS 751

48' : 21371-1928
H 6 6AB

63' : 21395-1913
HJ 3043

65' : 21314-1914
SEE 449AB

70' : 21402-1826
COO 243

72' : 21406-1854
OCC9197

75' : 21404-1815
DON1014

79' : 21411-1844
HDS3087

83' : 21401-1757
LDS6357

89' : 21416-1907
UC 4529

93' : 21310-1740
HU 1313

93' : 21341-1716
HJ 3037

99' : 21416-1759
UC 4528

101' : 21285-1836
ARA 810

103' : 21291-1932
RST3286

104' : 21376-2026
YSC 119

107' : 21282-1906
HJ 3029

110' : 21313-1716
RST3288

113' : 21278-1911
OCC 58

114' : 21285-1751
LDS 744

117' : 21438-1843
WIS 352

121' : 21432-1937
OCC9199

124' : 21270-1824
OCC 747



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.

21355-1846 I 380 AC

 
 
21h 35m 32.19s -18° 46' 14.7" P.A. 69.00 sep 42.5 mag 8.70,13.09 Sp A0V
 
 
Coord 2000 21355-1846 Discov num I   380 Comp AC Coord arcsec 2000 21 35 32.19 -18 46 14.7
Date first 1900 Date last 2020 Obs 5
Pa first 71 Pa last 69 P.A. Now (θ) 69°
Sep first 41.0 Sep last 42.45 Sep. Now (ρ) 42.45"
Mag pri 8.70 Mag sec 13.09 delta mag (ΔM) 4.39 Spectral class A0V (white)
Pri motion ra +016 Sec motion ra -005
Pri motion dec -006 Sec motion dec -001
Notes N (See Notes)
rPM=1.263
This double is not physical.
 
 
21355-1846 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 205406 21 35 32 -18 46 15 I 380 AB 2016 17 354 1.2 8.70 9.55 0.85
Show 21 35 32 -18 46 15 I 380 AC 2020 5 69 42.5 8.70 13.09 4.39 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Capricornus Tycho2 6369-00007-1 Gaia DR2 6831448232238484736 HD 205406
 
 
WDS 21355-1846 I 380 AC : NOTES
 
 
discov_num notes refcode
I 380 HU 965.
 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21355-1846 I 380 AC 1999 4 69 43.0 8.70 13.09 A0V N 213532.19-184614.7
21355-1846 I 380 AC 2000 2 69 43.0 8.70 13.10 213532.19-184614.7
21355-1846 I 380 AC 2020 5 69 42.5 8.70 13.09 A0V N 213532.19-184614.7

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

 
 
WDS 21355-1846 I 380 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21355-1846 I 380 AC : MEASURES
 
 
No records found.

 
 
WDS 21355-1846 : VIRTUAL EYEPIECE
 
 

21355-1846 I 380A mag 8.7 Sp A0V 21355-1846 I 380B sep 1.2 P.A. 354.40 mag 9.55 21355-1846 I 380C sep 40.5 P.A. 67.90 mag 13.09 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 21355-1846 : ALADIN DSS IMAGE @ 21h 35m 32.19s -18° 46' 14.7"
 
 
 
 
WDS 21355-1846 I 380 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21355-1846 I 380AC distance=0' 21345-1841 UC 4499AB distance=16' 21345-1841 JNN 326Aa,Ab distance=16' 21353-1915 OCC 70 distance=29' 21332-1836 BRT1568 distance=35' 21380-1913 LDS 751 distance=45' 21371-1928 H 6 6AB distance=48' 21371-1928 BU 9024AC distance=48' 21395-1913 HJ 3043 distance=63' 21314-1914 SEE 449AB distance=65' 21402-1826 COO 243 distance=70' 21406-1854 OCC9197 distance=72' 21404-1815 DON1014 distance=75' 21411-1844 HDS3087 distance=79' 21401-1757 LDS6357 distance=83' 21416-1907 UC 4529 distance=89' 21310-1740 HU 1313 distance=93' 21341-1716 HJ 3037 distance=93' 21416-1759 UC 4528 distance=99' 21285-1836 ARA 810 distance=101' 21291-1932 RST3286 distance=103' 21376-2026 YSC 119 distance=104' 21282-1906 HJ 3029 distance=107' 21313-1716 RST3288 distance=110' 21278-1911 OCC 58 distance=113' 21285-1751 LDS 744 distance=114' 21438-1843 WIS 352 distance=117' 21432-1937 OCC9199 distance=121' 21270-1824 OCC 747 distance=124' 21293-1720 LEO 27AB distance=125' 21293-1720 SHT 37AC distance=125' 21293-1720 SHT 37AD distance=125' 21357-1639 FAL 72 distance=127' 21278-1731 LDS4887 distance=134' 21410-2038 ARA1587 distance=137' 21284-1715 RST3285 distance=137' 21384-2058 ARA1586 distance=139' 21324-2058 LDS6354 distance=139' 21430-2025 SEE 456 distance=145' 21275-2016 BU 683 distance=145' 21308-2055 UC 4481 distance=145' 21371-1622 HJ 5282AB distance=145' 21371-1622 HJ 5282BC distance=145' 21352-1616 OCC 170 distance=151' 21375-1618 HJ 5284 distance=151' 21459-1759 RST3289 distance=155' 21247-1835 HJ 3024 distance=155' 21451-2002 TOI2311 distance=155' 21337-1612 A 2096 distance=157' 21460-1748 GWP3092 distance=161' 21264-2025 HLD 166AB distance=163' 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 21355-1846 I 380 AB 354 1.2
Show 21355-1846 I 380 AC 69 42.5
Show 21345-1841 UC 4499 AB 293 18.7 16
Show 21345-1841 JNN 326 Aa,Ab 270 0.3 16
Show 21353-1915 OCC 70 -1 0.1 29
Show 21332-1836 BRT1568 132 5.7 35
Show 21380-1913 LDS 751 355 18.9 45
Show 21371-1928 H 6 6 AB 46 65.8 48
Show 21371-1928 BU 9024 AC 164 62.7 48
Show 21395-1913 HJ 3043 150 34.8 63
Show 21314-1914 SEE 449 AB 179 2.2 65
Show 21402-1826 COO 243 65 5.0 70
Show 21406-1854 OCC9197 -1 0.0 72
Show 21404-1815 DON1014 17 0.1 75
Show 21411-1844 HDS3087 162 1.2 79
Show 21401-1757 LDS6357 44 8.3 83
Show 21416-1907 UC 4529 171 54.7 89
Show 21310-1740 HU 1313 224 0.7 93
Show 21341-1716 HJ 3037 354 26.7 93
Show 21416-1759 UC 4528 304 45.2 99
Show 21285-1836 ARA 810 219 15.9 101
Show 21291-1932 RST3286 3 1.6 103
Show 21376-2026 YSC 119 232 0.4 104
Show 21282-1906 HJ 3029 352 19.0 107
Show 21313-1716 RST3288 121 3.1 110
Show 21278-1911 OCC 58 -1 0.1 113
Show 21285-1751 LDS 744 146 19.4 114
Show 21438-1843 WIS 352 347 635.6 117
Show 21432-1937 OCC9199 -1 0.0 121
Show 21270-1824 OCC 747 -1 0.1 124
Show 21293-1720 LEO 27 AB 3.4 125
Show 21293-1720 SHT 37 AC 326 35.5 125
Show 21293-1720 SHT 37 AD 330 27.1 125
Show 21357-1639 FAL 72 153 9.4 127
Show 21278-1731 LDS4887 243 53.5 134
Show 21410-2038 ARA1587 208 11.5 137
Show 21284-1715 RST3285 242 2.9 137
Show 21384-2058 ARA1586 43 11.7 139
Show 21324-2058 LDS6354 219 56.1 139
Show 21430-2025 SEE 456 59 3.3 145
Show 21275-2016 BU 683 194 2.9 145
Show 21308-2055 UC 4481 306 15.7 145
Show 21371-1622 HJ 5282 AB 95 20.5 145
Show 21371-1622 HJ 5282 BC 10 29.7 145
Show 21352-1616 OCC 170 -1 0.1 151
Show 21375-1618 HJ 5284 268 55.9 151
Show 21459-1759 RST3289 65 1.6 155
Show 21247-1835 HJ 3024 73 14.5 155
Show 21451-2002 TOI2311 131 0.2 155
Show 21337-1612 A 2096 15 0.9 157
Show 21460-1748 GWP3092 312 17.5 161

 
 
WDS 21355-1846 : COMPONENTS
 
 
  A B
B pa=354.4°
sep=1.16"
 
C pa=67.9°
sep=40.49"
pa=69.5°
sep=40.18"
 
 
21355-1846 A
 
 
Name HD 205406 Coord arcsec 2000 213532.19-184614.7 Mag 8.7 Spectral class A0V (white)
PmRA 13.00 PmDE -7.0 Tycho2 6369-00007-1 HD 205406
ADS 15107 DM BD-19 6128
Tycho2
Tycho2 6369-00007-1 Pflag P RAmdeg 323.88411665 DEmdeg -18.77074032
PmRA 12.6 PmDE -7.2 E RAmdeg 8 E DEmdeg 10
E pmRA 3.2 E pmDE 3.3 EpRAm 1991.46 EpDEm 1991.10
Num 4 Q RAmdeg 2.0 Q DEmdeg 1.1 Q pmRA 2.1
Q pmDE 1.1 BTmag 8.730 E BTmag 0.020 VTmag 8.695
E VTmag 0.018 Prox 12 TYC T HIP
CCDM RAdeg 323.88409139 DEdeg -18.77078194 EpRA 1990 1.59
EpDE 1990 1.28 E RAdeg 7.8 E DEdeg 10.2 Posflg D
Corr -0.1
CCDM
Ccdm 21355-1846 RComp Comp A Note1
Note2 Discov num DRAs 2.15 DDEs -14.8
R dRAs 40 Year Theta Rho
Obs 2 Vmag 8.7 Sp A0 PmNote
PmRA PmDE Dm number -19 6128 Cat1 BD
Name2 Cat2 HD 205406 M HD
ADS BDS A15107 M ADS BDS N IDS IDS 21300S1913A
HIC
 
 
21355-1846 B
 
 
Coord arcsec 2000 213532.18-184613.5 Mag 9.55 PmRA 13.00 PmDE -7.0
Tycho2 6369-00007-2 Calc delta mag 0.85 Calc coord yes
Tycho2
Tycho2 6369-00007-2 Pflag P RAmdeg 323.88411665 DEmdeg -18.77074032
PmRA 12.6 PmDE -7.2 E RAmdeg 8 E DEmdeg 10
E pmRA 3.2 E pmDE 3.3 EpRAm 1991.46 EpDEm 1991.10
Num 4 Q RAmdeg 2.0 Q DEmdeg 1.1 Q pmRA 2.1
Q pmDE 1.1 BTmag 9.836 E BTmag 0.031 VTmag 9.550
E VTmag 0.032 Prox 12 TYC HIP
CCDM RAdeg 323.88405750 DEdeg -18.77045639 EpRA 1990 1.57
EpDE 1990 1.26 E RAdeg 16.4 E DEdeg 21.5 Posflg D
Corr -0.1
CCDM
Ccdm 21355-1846 RComp Comp B Note1
Note2 Discov num I 380 DRAs DDEs
R dRAs Year 1900 Theta 355 Rho 1.3
Obs 11 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15107 M ADS BDS N IDS IDS 21300S1913B
HIC
 
 
21355-1846 C
 
 
Coord arcsec 2000 213534.83-184559.5 Mag 13.09 PmRA -5.00 PmDE -1.0
Calc delta mag 4.39 Calc coord yes