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Doubles in session


Current system
20236-5111
I 1417
HD 193644


Nearby doubles
26' : 20232-5047
RST1068

30' : 20267-5107
UC 4186

33' : 20270-5111
KPP 584

36' : 20274-5108
RST1070

38' : 20269-5133
SKF1165

43' : 20212-5147
HDS2907

52' : 20291-5105
I 664

69' : 20176-5034
HDS2896

74' : 20217-5000
SKF 376

84' : 20151-5048
RSS 544

96' : 20315-5012
B 488

97' : 20278-5240
RST1071

104' : 20191-4937
RST1065

105' : 20165-5233
HU 1614

106' : 20139-5019
HU 1613

109' : 20164-5236
UC 4132

109' : 20351-5109
HDS2941

110' : 20142-5007
VSP 55

116' : 20127-5019
HJ 5174

118' : 20135-5222
B 2884

120' : 20327-5235
RST1072

120' : 20327-4949
TSN 34

121' : 20124-5014
I 1046

122' : 20308-5253
B 2486

127' : 20354-5014
WOR9002AB

130' : 20266-4905
BRT1109



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.

20236-5111 I 1417 (HD 193644)

 
 
20h 23m 35.78s -51° 11' 19.2" P.A. 312.00 sep 0.8 mag 8.86,11.21 Sp F2V dist. 141.64 pc (462.03 l.y.)
 
 
Coord 2000 20236-5111 Discov num I  1417 Comp Coord arcsec 2000 20 23 35.78 -51 11 19.2
Date first 1925 Date last 1991 Obs 6
Pa first 302 Pa last 312 P.A. Now (θ) 312°
Sep first 0.7 Sep last 0.779 Sep. Now (ρ) 0.779"
Mag pri 8.86 Mag sec 11.21 delta mag (ΔM) 2.35 Spectral class F2V (yellow-white)
Pri motion ra +013 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 193644 Constellation Telescopium SAO 246557 HIP 100569
Tycho2 8417-01684-1 Gaia DR2 6475393789838044160 HD 193644 CD CD-5112513
CP CP-5111464 Distance 141.64 Distance ly 462.03
 
 
WDS 20236-5111 I 1417 (HD 193644) : 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
20236-5111 I 1417 1991 6 312 0.8 8.86 11.21 F2V D 202335.78-511119.2

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

 
 
WDS 20236-5111 I 1417 (HD 193644) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20236-5111 I 1417 (HD 193644) : MEASURES
 
 
No records found.

 
 
WDS 20236-5111 (HD 193644) : VIRTUAL EYEPIECE
 
 

20236-5111 I 1417A mag 8.86 Sp F2V 20236-5111 I 1417B sep 0.6 P.A. 325.20 mag 11.21 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 20236-5111 (HD 193644) : ALADIN DSS IMAGE @ 20h 23m 35.78s -51° 11' 19.2"
 
 
 
 
WDS 20236-5111 I 1417 (HD 193644) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20236-5111 I 1417 distance=0' 20232-5047 RST1068 distance=26' 20267-5107 UC 4186 distance=30' 20270-5111 KPP 584 distance=33' 20274-5108 RST1070 distance=36' 20269-5133 SKF1165 distance=38' 20212-5147 HDS2907 distance=43' 20291-5105 I 664 distance=52' 20176-5034 HDS2896 distance=69' 20217-5000 SKF 376 distance=74' 20151-5048 RSS 544 distance=84' 20315-5012 B 488 distance=96' 20278-5240 RST1071 distance=97' 20191-4937 RST1065 distance=104' 20165-5233 HU 1614 distance=105' 20139-5019 HU 1613 distance=106' 20164-5236 UC 4132 distance=109' 20351-5109 HDS2941 distance=109' 20142-5007 VSP 55 distance=110' 20127-5019 HJ 5174 distance=116' 20135-5222 B 2884 distance=118' 20327-5235 RST1072 distance=120' 20327-4949 TSN 34 distance=120' 20124-5014 I 1046 distance=121' 20308-5253 B 2486 distance=122' 20354-5014 LDS 714AC distance=127' 20354-5014 WOR9002AB distance=127' 20266-4905 BRT1109 distance=130' 20331-4932 UC 4215 distance=135' 20192-5320 HDS2904 distance=136' 20096-5038 RST1062 distance=136' 20095-5026 HU 1612 distance=141' 20093-5029 RST1061 distance=142' 20097-5212 CPO 615 distance=143' 20238-4845 NSC 29 distance=147' 20382-5223 TDT2440 distance=153' 20073-5127 RST1059 distance=154' 20384-5221 RST1074AB distance=154' 20071-5055 BRT1104 distance=157' 20403-5114 HU 1617 distance=157' 20275-4838 I 663 distance=158' 20394-5216 UC 4245 distance=161' 20177-4834 BRT1106 distance=168' 20276-5357 RST5550 distance=170' 20135-5336 RST1063 distance=172' 20291-4826 I 1421 distance=174' 20108-5321 TDT2054 distance=176' 20053-5043 UC 4079 distance=176' 20167-5355 KPP 466 distance=176' 20100-4914 KPP1803 distance=176' 20403-4956 KRW 2 distance=176' 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 20236-5111 I 1417 312 0.8
Show 20232-5047 RST1068 203 0.3 26
Show 20267-5107 UC 4186 345 9.2 30
Show 20270-5111 KPP 584 85 5.4 33
Show 20274-5108 RST1070 287 1.2 36
Show 20269-5133 SKF1165 222 20.3 38
Show 20212-5147 HDS2907 35 0.3 43
Show 20291-5105 I 664 281 1.5 52
Show 20176-5034 HDS2896 70 12.8 69
Show 20217-5000 SKF 376 300 21.3 74
Show 20151-5048 RSS 544 167 17.6 84
Show 20315-5012 B 488 78 1.7 96
Show 20278-5240 RST1071 255 3.8 97
Show 20191-4937 RST1065 69 1.3 104
Show 20165-5233 HU 1614 64 1.3 105
Show 20139-5019 HU 1613 142 0.7 106
Show 20164-5236 UC 4132 173 13.8 109
Show 20351-5109 HDS2941 268 5.1 109
Show 20142-5007 VSP 55 96 0.1 110
Show 20127-5019 HJ 5174 266 18.8 116
Show 20135-5222 B 2884 334 8.1 118
Show 20327-5235 RST1072 322 2.8 120
Show 20327-4949 TSN 34 213 8.7 120
Show 20124-5014 I 1046 51 1.2 121
Show 20308-5253 B 2486 188 8.3 122
Show 20354-5014 LDS 714 AC 238 100.3 127
Show 20354-5014 WOR9002 AB 273 1.1 127
Show 20266-4905 BRT1109 108 5.4 130
Show 20331-4932 UC 4215 113 41.9 135
Show 20192-5320 HDS2904 157 26.8 136
Show 20096-5038 RST1062 351 0.4 136
Show 20095-5026 HU 1612 63 1.0 141
Show 20093-5029 RST1061 282 1.2 142
Show 20097-5212 CPO 615 247 6.9 143
Show 20238-4845 NSC 29 225 11.4 147
Show 20382-5223 TDT2440 228 1.8 153
Show 20073-5127 RST1059 243 0.1 154
Show 20384-5221 RST1074 AB 226 2.5 154
Show 20071-5055 BRT1104 219 3.7 157
Show 20403-5114 HU 1617 279 0.2 157
Show 20275-4838 I 663 71 0.8 158
Show 20394-5216 UC 4245 199 24.1 161
Show 20177-4834 BRT1106 73 4.5 168
Show 20276-5357 RST5550 350 1.0 170
Show 20135-5336 RST1063 178 6.0 172
Show 20291-4826 I 1421 341 0.4 174
Show 20108-5321 TDT2054 352 0.5 176
Show 20053-5043 UC 4079 78 11.2 176
Show 20167-5355 KPP 466 42 3.3 176
Show 20100-4914 KPP1803 353 14.0 176
Show 20403-4956 KRW 2 62 20.5 176

 
 
WDS 20236-5111 : COMPONENTS
 
 
  A
B pa=325.2°
sep=0.64"
 
 
20236-5111 A
 
 
Componente originario normalizzato AB Name HD 193644 Coord arcsec 2000 202335.78-511119.2 Mag 8.86
Spectral class F2V (yellow-white) PmRA 13.00 PmDE 4.0 SAO 246557
HIP 100569 Tycho2 8417-01684-1 HD 193644 CD CD-5112513
CP CP-5111464
Tycho2
Tycho2 8417-01684-1 Pflag RAmdeg 305.89903907 DEmdeg -51.18864218
PmRA -7.9 PmDE 7.6 E RAmdeg 8 E DEmdeg 9
E pmRA 1.6 E pmDE 1.5 EpRAm 1991.16 EpDEm 1990.84
Num 8 Q RAmdeg 2.1 Q DEmdeg 0.9 Q pmRA 2.2
Q pmDE 0.9 BTmag 9.089 E BTmag 0.018 VTmag 8.747
E VTmag 0.016 Prox 999 TYC T HIP 100569
CCDM AB RAdeg 305.89906861 DEdeg -51.18865972 EpRA 1990 1.69
EpDE 1990 1.56 E RAdeg 8.0 E DEdeg 9.4 Posflg P
Corr -0.1
SAO
SAO 246557 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 -0.005 Vmag 8.8 SpType F5
Double code Source 48 CatNum 18766 DM CP-5111464
DMcomp BDsup HD 193644 M HD 0
GC RA1950rad 5.3228348 DE1950rad -0.89623256 PmRA2000 0.0012
PmDE2000 -0.009
Hipparcos
Catalog H HIP 100569 Proxy H RAhms 20 23 35.78
DEdms -51 11 19.2 Vmag 8.66 VarFlag R Vmag H
RAdeg 305.899 DEdeg -51.1887 AstroRef A Plx 7
CCDM 20236-5111 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 312 Rho 0.779 HD 193644 BD
CD CD-5112513 CP CP-5111464 Dm number -5112513 VIred 0.39
SpType F2V R SpType Coord arcsec 2000 202335.78-511119.2
Hipparcos 2
HIP 100569 Sn 15 So 3 Nc 2
RArad 5.3389461962 DErad -0.8934108754 Plx 7.06 PmRA -6.67
PmDE 4.82 E RArad 1.2 E DErad 0.84 E Plx 1.23
E pmRA 1.77 E pmDE 1.3 Hpmag 8.7391 E Hpmag 0.0022
SHp 0.02 VA 0 BV 0.331 E BV 0.025
VI 0.39
CCDM
Ccdm 20236-5111 RComp Comp A Note1
Note2 Discov num DRAs -0.05 DDEs -20.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp F5 PmNote *
PmRA 14 PmDE -5 Dm number -5112513 Cat1 CD
Name2 246557 Cat2 SAO HD 193644 M HD
ADS BDS M ADS BDS N IDS IDS 20162S5130A
HIC 100569
 
 
20236-5111 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202335.74-511118.7 Mag 11.21 Calc delta mag 2.35
Calc coord yes
CCDM
Ccdm 20236-5111 RComp Comp B Note1
Note2 Discov num I 1417 DRAs DDEs
R dRAs Year 1925 Theta 301 Rho 0.7
Obs 4 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20162S5130B
HIC 100569