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Current system
18431-4134
I 1380


Nearby doubles
24' : 18449-4146
BRT1076

34' : 18455-4155
FAL 64AB

35' : 18400-4137
I 1377

40' : 18459-4158
UC 3665

41' : 18402-4200
UC 3634

41' : 18412-4210
I 250

44' : 18418-4054
TDT1005

46' : 18420-4050
UC 3643

48' : 18463-4206
DON 922

50' : 18387-4127
HJ 5052

51' : 18470-4110
TDS 944

58' : 18411-4227
TDS 932

58' : 18459-4046
HDS2661AB

59' : 18457-4226
HDS2660

61' : 18378-4148
BRT1071

63' : 18420-4034
UC 3642

64' : 18421-4237
UC 3645

67' : 18489-4120
RST2075

72' : 18482-4216
CPO9001

72' : 18367-4137
CPO 593

73' : 18366-4140
RST2067

74' : 18494-4120
TDT1073

76' : 18370-4207
I 1374

80' : 18464-4025
RST2072AB

85' : 18382-4240
CPO 595

88' : 18385-4247
DON 915



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.

18431-4134 I 1380

 
 
18h 43m 03.18s -41° 34' 43.3" P.A. 170.00 sep 1.5 mag 11.13,11.96
 
 
Coord 2000 18431-4134 Discov num I  1380 Comp Coord arcsec 2000 18 43 03.18 -41 34 43.3
Date first 1926 Date last 2016 Obs 5
Pa first 171 Pa last 170 P.A. Now (θ) 170°
Sep first 1.6 Sep last 1.535 Sep. Now (ρ) 1.535"
Mag pri 11.13 Mag sec 11.96 delta mag (ΔM) 0.83 Spectral class
Pri motion ra -002 Sec motion ra -002
Pri motion dec -001 Sec motion dec -001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Corona Austrina Tycho2 7923-02045-1 Gaia DR2 6722393721195292928
 
 
WDS 18431-4134 I 1380 : NOTES
 
 
No records found.

 
 
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
18431-4134 I 1380 1991 4 168 1.4 11.13 11.96 184303.18-413443.3
18431-4134 I 1380 2016 5 170 1.5 11.13 11.96 184303.18-413443.3

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

 
 
WDS 18431-4134 I 1380 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18431-4134 I 1380 : MEASURES
 
 
No records found.

 
 
WDS 18431-4134 : VIRTUAL EYEPIECE
 
 

18431-4134 I 1380A mag 11.13 18431-4134 I 1380B sep 1.5 P.A. 172.50 mag 11.96 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 18431-4134 : ALADIN DSS IMAGE @ 18h 43m 03.18s -41° 34' 43.3"
 
 
 
 
WDS 18431-4134 I 1380 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18431-4134 I 1380 distance=0' 18449-4146 BRT1076 distance=24' 18455-4155 FAL 64AB distance=34' 18400-4137 I 1377 distance=35' 18459-4158 UC 3665 distance=40' 18402-4200 UC 3634 distance=41' 18412-4210 I 250 distance=41' 18418-4054 TDT1005 distance=44' 18420-4050 UC 3643 distance=46' 18463-4206 DON 922 distance=48' 18387-4127 HJ 5052 distance=50' 18470-4110 TDS 944 distance=51' 18411-4227 TDS 932 distance=58' 18459-4046 HDS2661AB distance=58' 18457-4226 HDS2660 distance=59' 18378-4148 BRT1071 distance=61' 18420-4034 UC 3642 distance=63' 18421-4237 UC 3645 distance=64' 18489-4120 RST2075 distance=67' 18482-4216 CPO9001 distance=72' 18367-4137 CPO 593 distance=72' 18366-4140 RST2067 distance=73' 18494-4120 TDT1073 distance=74' 18370-4207 I 1374 distance=76' 18464-4025 RST2072AB distance=80' 18464-4025 RST2072AC distance=80' 18464-4025 UC 3667CD distance=80' 18382-4240 CPO 595 distance=85' 18385-4247 DON 915 distance=88' 18477-4024 UC 3673 distance=89' 18377-4029 RST2068 distance=90' 18368-4233 CRI 20 distance=91' 18510-4104 HJ 5066 distance=95' 18345-4127 RST2063 distance=97' 18493-4028 UC 3683 distance=98' 18352-4048 CPO 591 distance=100' 18522-4143 I 1385BC distance=103' 18522-4143 HDO 291A,BC distance=103' 18469-3959 UC 3668 distance=106' 18486-4007 TOI1081 distance=108' 18524-4111 UC 3704 distance=109' 18341-4218 DON 910 distance=109' 18404-4320 SKF1149 distance=110' 18472-4315 BRT1078 distance=110' 18468-4318 BRT1077 distance=111' 18530-4143 UC 3710 distance=112' 18450-3945 SKF2070 distance=112' 18329-4156 B 2453 distance=116' 18496-4005 UC 3688 distance=117' 18408-4330 DON 918 distance=119' 18508-4301 UC 3694 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 18431-4134 I 1380 170 1.5
Show 18449-4146 BRT1076 15 4.1 24
Show 18455-4155 FAL 64 AB 134 11.9 34
Show 18400-4137 I 1377 81 1.7 35
Show 18459-4158 UC 3665 87 37.2 40
Show 18402-4200 UC 3634 112 43.8 41
Show 18412-4210 I 250 110 1.2 41
Show 18418-4054 TDT1005 33 1.0 44
Show 18420-4050 UC 3643 275 23.0 46
Show 18463-4206 DON 922 316 8.4 48
Show 18387-4127 HJ 5052 130 5.7 50
Show 18470-4110 TDS 944 139 2.4 51
Show 18411-4227 TDS 932 4.0 58
Show 18459-4046 HDS2661 AB 263 4.3 58
Show 18457-4226 HDS2660 354 0.1 59
Show 18378-4148 BRT1071 353 3.6 61
Show 18420-4034 UC 3642 337 47.0 63
Show 18421-4237 UC 3645 333 14.3 64
Show 18489-4120 RST2075 96 9.5 67
Show 18482-4216 CPO9001 216 2.6 72
Show 18367-4137 CPO 593 257 3.7 72
Show 18366-4140 RST2067 192 1.6 73
Show 18494-4120 TDT1073 3 0.5 74
Show 18370-4207 I 1374 119 2.2 76
Show 18464-4025 RST2072 AB 241 1.5 80
Show 18464-4025 RST2072 AC 22 10.5 80
Show 18464-4025 UC 3667 CD 147 42.0 80
Show 18382-4240 CPO 595 17 3.9 85
Show 18385-4247 DON 915 211 2.5 88
Show 18477-4024 UC 3673 244 19.6 89
Show 18377-4029 RST2068 190 2.0 90
Show 18368-4233 CRI 20 92 8.4 91
Show 18510-4104 HJ 5066 85 10.1 95
Show 18345-4127 RST2063 181 6.3 97
Show 18493-4028 UC 3683 270 22.6 98
Show 18352-4048 CPO 591 7 5.2 100
Show 18522-4143 I 1385 BC 292 0.6 103
Show 18522-4143 HDO 291 A,BC 341 36.6 103
Show 18469-3959 UC 3668 22 40.3 106
Show 18486-4007 TOI1081 150 0.3 108
Show 18524-4111 UC 3704 144 64.9 109
Show 18341-4218 DON 910 143 0.6 109
Show 18404-4320 SKF1149 22 42.5 110
Show 18472-4315 BRT1078 302 3.2 110
Show 18468-4318 BRT1077 331 4.1 111
Show 18530-4143 UC 3710 97 52.0 112
Show 18450-3945 SKF2070 106 17.6 112
Show 18329-4156 B 2453 256 6.3 116
Show 18496-4005 UC 3688 65 22.7 117
Show 18408-4330 DON 918 130 2.1 119
Show 18508-4301 UC 3694 319 27.5 122

 
 
WDS 18431-4134 : COMPONENTS
 
 
  A
B pa=172.5°
sep=1.52"
 
 
18431-4134 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184303.18-413443.3 Mag 11.13 PmRA -2.00
PmDE -1.0 Tycho2 7923-02045-1
Tycho2
Tycho2 7923-02045-1 Pflag P RAmdeg 280.76324124 DEmdeg -41.57869180
PmRA -1.8 PmDE -0.5 E RAmdeg 49 E DEmdeg 56
E pmRA 2.4 E pmDE 2.2 EpRAm 1986.85 EpDEm 1983.72
Num 3 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.0 BTmag 11.651 E BTmag 0.082 VTmag 11.134
E VTmag 0.089 Prox 14 TYC T HIP
CCDM RAdeg 280.76322139 DEdeg -41.57860056 EpRA 1990 1.61
EpDE 1990 1.59 E RAdeg 49.6 E DEdeg 59.3 Posflg D
Corr -0.1
 
 
18431-4134 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184303.20-413444.8 Mag 11.96 PmRA -2.00
PmDE -1.0 Tycho2 7923-02045-2 Calc delta mag 0.83 Calc coord yes
Tycho2
Tycho2 7923-02045-2 Pflag P RAmdeg 280.76324124 DEmdeg -41.57869180
PmRA -1.8 PmDE -0.5 E RAmdeg 49 E DEmdeg 56
E pmRA 2.4 E pmDE 2.2 EpRAm 1986.85 EpDEm 1983.72
Num 3 Q RAmdeg 0.8 Q DEmdeg 1.1 Q pmRA 0.8
Q pmDE 1.0 BTmag 12.458 E BTmag 0.221 VTmag 11.955
E VTmag 0.200 Prox 14 TYC HIP
CCDM RAdeg 280.76332861 DEdeg -41.57897917 EpRA 1990 1.60
EpDE 1990 1.58 E RAdeg 91.4 E DEdeg 108.8 Posflg D
Corr -0.1