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Current system
18520-5122
I 1384


Nearby doubles
20' : 18538-5111
I 1386

22' : 18541-5131
RST1008

27' : 18528-5057
HJ 5067

34' : 18488-5108
DAW 223

47' : 18495-5042
B 1372AB

49' : 18527-5210
RST1005

49' : 18567-5102
RST5456

49' : 18500-5207
HDS2669

50' : 18472-5103
I 1383AB

52' : 18562-5049
RST1011

52' : 18473-5056
CPO 598

55' : 18474-5050
HJ 5058AB

57' : 18469-5054
RST1001

58' : 18578-5142
RST1013

58' : 18572-5051
BRT1084

64' : 18588-5124
I 1387

66' : 18516-5229
LDS 655

66' : 18450-5122
RST5452

68' : 18522-5015
UC 3702

70' : 18566-5217
DAW 23

70' : 18459-5201
RST1000

71' : 18463-5036
CPO 597

73' : 18531-5011
CVN 61AB

75' : 18562-5226
TDT1135

75' : 18520-5007
UC 3701

79' : 18547-5008
CBL 174



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.

18520-5122 I 1384

 
 
18h 52m 01.36s -51° 22' 17.2" P.A. 50.00 sep 1.8 mag 9.66,13.70 Sp F2III
 
 
Coord 2000 18520-5122 Discov num I  1384 Comp Coord arcsec 2000 18 52 01.36 -51 22 17.2
Date first 1926 Date last 2016 Obs 4
Pa first 48 Pa last 50.2 P.A. Now (θ) 50.2°
Sep first 1.5 Sep last 1.802 Sep. Now (ρ) 1.802"
Mag pri 9.66 Mag sec 13.70 delta mag (ΔM) 4.04 Spectral class F2III (yellow-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Telescopium SAO 245766 Tycho2 8385-02346-1 Gaia DR2 6654802820129580160
HD 174202
 
 
WDS 18520-5122 I 1384 : 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
18520-5122 I 1384 1929 2 52 1.5 9.66 13.70 F2III 185201.36-512217.2
18520-5122 I 1384 2015 3 50 1.8 9.66 13.70 F2III S 185201.36-512217.2
18520-5122 I 1384 2016 4 50 1.8 9.66 13.70 F2III S 185201.36-512217.2

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

 
 
WDS 18520-5122 I 1384 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18520-5122 I 1384 : MEASURES
 
 
No records found.

 
 
WDS 18520-5122 : VIRTUAL EYEPIECE
 
 

18520-5122 I 1384A mag 9.66 Sp F2III 18520-5122 I 1384B sep 1.4 P.A. 36.80 mag 13.7 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 18520-5122 : ALADIN DSS IMAGE @ 18h 52m 01.36s -51° 22' 17.2"
 
 
 
 
WDS 18520-5122 I 1384 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18520-5122 I 1384 distance=0' 18538-5111 I 1386 distance=20' 18541-5131 RST1008 distance=22' 18528-5057 HJ 5067 distance=27' 18488-5108 DAW 223 distance=34' 18495-5042 B 1372AB distance=47' 18495-5042 DAW 22AC distance=47' 18527-5210 RST1005 distance=49' 18567-5102 RST5456 distance=49' 18500-5207 HDS2669 distance=49' 18472-5103 I 1383AB distance=50' 18472-5103 I 1383AC distance=50' 18562-5049 RST1011 distance=52' 18473-5056 CPO 598 distance=52' 18474-5050 HJ 5058AB distance=55' 18469-5054 RST1001 distance=57' 18578-5142 RST1013 distance=58' 18572-5051 BRT1084 distance=58' 18588-5124 I 1387 distance=64' 18516-5229 LDS 655 distance=66' 18450-5122 RST5452 distance=66' 18522-5015 UC 3702 distance=68' 18566-5217 DAW 23 distance=70' 18459-5201 RST1000 distance=70' 18463-5036 CPO 597 distance=71' 18531-5011 MUG 10Aa,Ab distance=73' 18531-5011 CVN 61AB distance=73' 18531-5011 CVN 61AC distance=73' 18531-5011 CVN 61AD distance=73' 18531-5011 CVN 61AE distance=73' 18562-5226 TDT1135 distance=75' 18520-5007 UC 3701 distance=75' 18547-5008 CBL 174 distance=79' 18436-5138 RST5451AB distance=80' 18436-5138 RST5451Ba,Bb distance=80' 18455-5216 TOI1122 distance=81' 18435-5103 I 1378 distance=83' 18454-5025 R 313 distance=86' 18505-5247 UC 3693 distance=86' 18449-5029 HDS2656 distance=86' 18552-5246 UC 3723 distance=89' 19007-5202 RST1015 distance=90' 18433-5040 UC 3655 distance=93' 18575-5006 UC 3740 distance=93' 19014-5201 RST1016 distance=96' 18419-5202 UC 3640 distance=102' 19020-5036 BRT1085AB distance=105' 19020-5036 BRT1085AC distance=105' 18418-5035 RST 997 distance=108' 18509-4935 SKF1151 distance=108' 19000-5002 UC 3752 distance=111' 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 18520-5122 I 1384 50 1.8
Show 18538-5111 I 1386 61 0.4 20
Show 18541-5131 RST1008 140 3.1 22
Show 18528-5057 HJ 5067 274 2.9 27
Show 18488-5108 DAW 223 1 3.6 34
Show 18495-5042 B 1372 AB 123 2.8 47
Show 18495-5042 DAW 22 AC 20 12.4 47
Show 18527-5210 RST1005 137 1.7 49
Show 18567-5102 RST5456 124 0.2 49
Show 18500-5207 HDS2669 182 0.6 49
Show 18472-5103 I 1383 AB 247 0.6 50
Show 18472-5103 I 1383 AC 334 34.8 50
Show 18562-5049 RST1011 89 0.7 52
Show 18473-5056 CPO 598 94 4.1 52
Show 18474-5050 HJ 5058 AB 341 11.7 55
Show 18469-5054 RST1001 69 1.6 57
Show 18578-5142 RST1013 124 1.3 58
Show 18572-5051 BRT1084 119 3.9 58
Show 18588-5124 I 1387 21 3.3 64
Show 18516-5229 LDS 655 330 15.7 66
Show 18450-5122 RST5452 259 0.1 66
Show 18522-5015 UC 3702 136 16.0 68
Show 18566-5217 DAW 23 42 1.8 70
Show 18459-5201 RST1000 74 2.0 70
Show 18463-5036 CPO 597 36 7.7 71
Show 18531-5011 MUG 10 Aa,Ab 60 0.4 73
Show 18531-5011 CVN 61 AB 166 4.0 73
Show 18531-5011 CVN 61 AC 336 8.3 73
Show 18531-5011 CVN 61 AD 160 9.0 73
Show 18531-5011 CVN 61 AE 128 10.7 73
Show 18562-5226 TDT1135 323 0.9 75
Show 18520-5007 UC 3701 257 41.7 75
Show 18547-5008 CBL 174 280 27.5 79
Show 18436-5138 RST5451 AB 305 0.8 80
Show 18436-5138 RST5451 Ba,Bb 242 0.2 80
Show 18455-5216 TOI1122 35 0.5 81
Show 18435-5103 I 1378 28 4.3 83
Show 18454-5025 R 313 37 53.9 86
Show 18505-5247 UC 3693 94 10.7 86
Show 18449-5029 HDS2656 230 0.6 86
Show 18552-5246 UC 3723 95 17.0 89
Show 19007-5202 RST1015 120 1.5 90
Show 18433-5040 UC 3655 209 27.3 93
Show 18575-5006 UC 3740 283 9.8 93
Show 19014-5201 RST1016 217 1.2 96
Show 18419-5202 UC 3640 317 8.2 102
Show 19020-5036 BRT1085 AB 84 5.6 105
Show 19020-5036 BRT1085 AC 167 10.9 105
Show 18418-5035 RST 997 267 2.6 108
Show 18509-4935 SKF1151 121 9.9 108
Show 19000-5002 UC 3752 51 32.4 111

 
 
WDS 18520-5122 : COMPONENTS
 
 
  A
B pa=36.8°
sep=1.44"
 
 
18520-5122 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 185201.36-512217.2 Mag 9.66 Spectral class F2III (yellow-white)
PmRA -2.00 PmDE -2.0 SAO 245766 Tycho2 8385-02346-1
HD 174202 DM CD-5111797
Tycho2
Tycho2 8385-02346-1 Pflag RAmdeg 283.00571866 DEmdeg -51.37145236
PmRA -2.5 PmDE -2.3 E RAmdeg 14 E DEmdeg 17
E pmRA 1.3 E pmDE 1.3 EpRAm 1988.07 EpDEm 1984.93
Num 7 Q RAmdeg 1.1 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 10.188 E BTmag 0.031 VTmag 9.659
E VTmag 0.028 Prox 707 TYC T HIP
CCDM RAdeg 283.00572806 DEdeg -51.37144750 EpRA 1990 1.78
EpDE 1990 1.74 E RAdeg 15.3 E DEdeg 19.6 Posflg
Corr 0.0
SAO
SAO 245766 DelFlag RA1950 PmRA1950 -0.0011
DE1950 PmDE1950 0.009 Vmag 9.5 SpType F5
Double code Source 48 CatNum 17732 DM CP-5111038
DMcomp BDsup HD 174202 M HD 0
GC RA1950rad 4.92224438 DE1950rad -0.89764819 PmRA2000 -0.0014
PmDE2000 0.006
CCDM
Ccdm 18520-5122 RComp Comp A Note1
Note2 Discov num DRAs 1.11 DDEs -15.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp F5 PmNote *
PmRA -10 PmDE 9 Dm number -5111797 Cat1 CD
Name2 245766 Cat2 SAO HD 174202 M HD
ADS BDS M ADS BDS N IDS IDS 18442S5129A
HIC
 
 
18520-5122 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185201.45-512216.0 Mag 13.7 Calc delta mag 4.04
Calc coord yes
CCDM
Ccdm 18520-5122 RComp Comp B Note1
Note2 Discov num I 1384 DRAs DDEs
R dRAs Year 1926 Theta 051 Rho 1.5
Obs 2 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18442S5129B
HIC