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Doubles in session


Current system
18362-3311
I 637
HD 171418


Nearby doubles
14' : 18370-3301
JSP 783

31' : 18339-3318
BRT1782

31' : 18340-3301
OUD 7

32' : 18365-3342
B 940

34' : 18346-3338
SKF 457

38' : 18338-3248
I 1025

40' : 18383-3241
FIN 3AB

47' : 18358-3357
B 2455

52' : 18363-3220
HDS2640

53' : 18338-3230
PRO 204

62' : 18314-3315
COO 226

65' : 18350-3209
TDT 947

66' : 18311-3259
HWE 43AB

71' : 18368-3201
TDT 957

78' : 18396-3207
PRO 208

78' : 18407-3219
JSP 941

79' : 18342-3158
PRO 205

85' : 18343-3150
RST2064

89' : 18432-3323
JAO 6

90' : 18422-3222
RST2071

92' : 18352-3141
B 9034

93' : 18332-3436
JSP 776

98' : 18337-3444
JSP 778

98' : 18335-3140
PRO 203

99' : 18352-3139
PRO 207

101' : 18345-3449
STN 62



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.

18362-3311 I 637 (HD 171418)

 
 
18h 36m 13.67s -33° 11' 03.1" P.A. 115.00 sep 0.3 mag 10.00,10.10 Sp K1III
 
 
Coord 2000 18362-3311 Discov num I   637 Comp Coord arcsec 2000 18 36 13.67 -33 11 03.1
Date first 1909 Date last 1990 Obs 10
Pa first 120 Pa last 114.8 P.A. Now (θ) 114.8°
Sep first 0.5 Sep last 0.334 Sep. Now (ρ) 0.334"
Mag pri 10.00 Mag sec 10.10 delta mag (ΔM) 0.1 Spectral class K1III (yellow-orange)
Pri motion ra +013 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171418 Constellation Sagittarius SAO 210357 Tycho2 7411-06292-1
HD 171418
 
 
WDS 18362-3311 I 637 (HD 171418) : 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
18362-3311 I 637 1990 10 115 0.3 10.00 10.10 K1III 183613.67-331103.1

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

 
 
WDS 18362-3311 I 637 (HD 171418) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18362-3311 I 637 (HD 171418) : MEASURES
 
 
No records found.

 
 
WDS 18362-3311 (HD 171418) : VIRTUAL EYEPIECE
 
 

18362-3311 I 637A mag 10 Sp K1III 18362-3311 I 637B sep 0.3 P.A. 118.90 mag 10.1 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 18362-3311 (HD 171418) : ALADIN DSS IMAGE @ 18h 36m 13.67s -33° 11' 03.1"
 
 
 
 
WDS 18362-3311 I 637 (HD 171418) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18362-3311 I 637 distance=0' 18370-3301 JSP 783 distance=14' 18339-3318 BRT1782 distance=31' 18340-3301 OUD 7 distance=31' 18365-3342 B 940 distance=32' 18346-3338 SKF 457 distance=34' 18338-3248 I 1025 distance=38' 18383-3241 FIN 3AB distance=40' 18383-3241 SKF2068AC distance=40' 18358-3357 B 2455 distance=47' 18363-3220 HDS2640 distance=52' 18338-3230 PRO 204 distance=53' 18314-3315 COO 226 distance=62' 18350-3209 TDT 947 distance=65' 18311-3259 HWE 43AB distance=66' 18311-3259 HWE 43AC distance=66' 18368-3201 TDT 957 distance=71' 18396-3207 PRO 208 distance=78' 18407-3219 JSP 941 distance=78' 18342-3158 PRO 205 distance=79' 18343-3150 RST2064 distance=85' 18432-3323 JAO 6 distance=89' 18422-3222 RST2071 distance=90' 18352-3141 B 9034 distance=92' 18332-3436 JSP 776 distance=93' 18337-3444 JSP 778 distance=98' 18335-3140 PRO 203 distance=98' 18352-3139 PRO 207 distance=99' 18345-3449 STN 62 distance=101' 18435-3355 I 638 distance=102' 18437-3229 FAL 63 distance=104' 18417-3431 JSP 785 distance=106' 18294-3416 B 1365 distance=108' 18438-3221 SHN 234 distance=108' 18354-3122 LDS6328AB distance=108' 18354-3122 CVN 58AC distance=108' 18354-3122 CVN 58AD distance=108' 18354-3122 CVN 58AE distance=108' 18354-3122 CVN 58AF distance=108' 18354-3122 CVN 58AG distance=108' 18354-3122 CVN 58AH distance=108' 18354-3122 CVN 58AI distance=108' 18354-3122 CVN 58AJ distance=108' 18354-3122 CVN 58AK distance=108' 18354-3122 CVN 58AL distance=108' 18354-3122 CVN 58AM distance=108' 18354-3122 CVN 58AN distance=108' 18354-3122 CVN 58AO distance=108' 18354-3122 CVN 58AP distance=108' 18354-3122 CVN 58AQ distance=108' 18354-3122 CVN 58AR distance=108' 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 18362-3311 I 637 115 0.3
Show 18370-3301 JSP 783 17 1.0 14
Show 18339-3318 BRT1782 69 3.4 31
Show 18340-3301 OUD 7 180 0.2 31
Show 18365-3342 B 940 258 1.8 32
Show 18346-3338 SKF 457 359 13.6 34
Show 18338-3248 I 1025 233 0.4 38
Show 18383-3241 FIN 3 AB 261 4.6 40
Show 18383-3241 SKF2068 AC 218 122.5 40
Show 18358-3357 B 2455 338 6.5 47
Show 18363-3220 HDS2640 343 0.2 52
Show 18338-3230 PRO 204 120 6.5 53
Show 18314-3315 COO 226 193 12.6 62
Show 18350-3209 TDT 947 290 2.6 65
Show 18311-3259 HWE 43 AB 185 3.4 66
Show 18311-3259 HWE 43 AC 339 32.1 66
Show 18368-3201 TDT 957 223 0.6 71
Show 18396-3207 PRO 208 219 6.8 78
Show 18407-3219 JSP 941 167 5.0 78
Show 18342-3158 PRO 205 358 3.6 79
Show 18343-3150 RST2064 83 3.5 85
Show 18432-3323 JAO 6 353 15.0 89
Show 18422-3222 RST2071 10 0.8 90
Show 18352-3141 B 9034 346 9.0 92
Show 18332-3436 JSP 776 31 0.3 93
Show 18337-3444 JSP 778 162 1.5 98
Show 18335-3140 PRO 203 356 5.0 98
Show 18352-3139 PRO 207 72 3.3 99
Show 18345-3449 STN 62 132 2.3 101
Show 18435-3355 I 638 114 0.6 102
Show 18437-3229 FAL 63 338 13.4 104
Show 18417-3431 JSP 785 116 1.7 106
Show 18294-3416 B 1365 242 4.1 108
Show 18438-3221 SHN 234 -1 0.1 108
Show 18354-3122 LDS6328 AB 119 7.5 108
Show 18354-3122 CVN 58 AC 310 6.0 108
Show 18354-3122 CVN 58 AD 211 7.3 108
Show 18354-3122 CVN 58 AE 202 7.6 108
Show 18354-3122 CVN 58 AF 307 7.9 108
Show 18354-3122 CVN 58 AG 70 8.1 108
Show 18354-3122 CVN 58 AH 212 8.5 108
Show 18354-3122 CVN 58 AI 81 8.9 108
Show 18354-3122 CVN 58 AJ 163 9.3 108
Show 18354-3122 CVN 58 AK 150 9.6 108
Show 18354-3122 CVN 58 AL 348 9.6 108
Show 18354-3122 CVN 58 AM 49 9.7 108
Show 18354-3122 CVN 58 AN 339 10.3 108
Show 18354-3122 CVN 58 AO 175 10.2 108
Show 18354-3122 CVN 58 AP 194 11.2 108
Show 18354-3122 CVN 58 AQ 330 11.3 108
Show 18354-3122 CVN 58 AR 197 11.4 108

 
 
WDS 18362-3311 : COMPONENTS
 
 
  A
B pa=118.9°
sep=0.29"
 
 
18362-3311 A
 
 
Componente originario normalizzato AB Name HD 171418 Coord arcsec 2000 183613.67-331103.1 Mag 10
Spectral class K1III (yellow-orange) PmRA 13.00 PmDE -11.0 SAO 210357
Tycho2 7411-06292-1 HD 171418 DM CD-3313379
Tycho2
Tycho2 7411-06292-1 Pflag RAmdeg 279.05697542 DEmdeg -33.18420609
PmRA 8.3 PmDE -10.7 E RAmdeg 13 E DEmdeg 18
E pmRA 1.4 E pmDE 1.5 EpRAm 1989.09 EpDEm 1986.76
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 10.857 E BTmag 0.044 VTmag 9.455
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 279.05695111 DEdeg -33.18418389 EpRA 1990 1.85
EpDE 1990 1.77 E RAdeg 14.1 E DEdeg 19.6 Posflg
Corr -0.1
SAO
SAO 210357 DelFlag RA1950 PmRA1950 0.002
DE1950 PmDE1950 -0.035 Vmag 9.2 SpType K0
Double code Source 40 CatNum 10061 DM CD-3313379
DMcomp BDsup HD 171418 M HD 0
GC RA1950rad 4.85613341 DE1950rad -0.57990429 PmRA2000 0.0019
PmDE2000 -0.035
CCDM
Ccdm 18362-3311 RComp Comp A Note1
Note2 Discov num DRAs 1.73 DDEs -2.8
R dRAs 41 Year Theta Rho
Obs 2 Vmag 9.9 Sp K0 PmNote *
PmRA 25 PmDE -35 Dm number -3313379 Cat1 CD
Name2 210357 Cat2 SAO HD 171418 M HD
ADS BDS M ADS BDS N IDS IDS 18297S3316A
HIC
 
 
18362-3311 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183613.69-331103.2 Mag 10.1 Calc delta mag 0.1
Calc coord yes
CCDM
Ccdm 18362-3311 RComp Comp B Note1
Note2 Discov num I 637 DRAs DDEs
R dRAs Year 1927 Theta 115 Rho 0.4
Obs 5 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18297S3316B
HIC