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Doubles in session


Current system
20450-5029
I 17 AB
HD 197322


Nearby doubles
34' : 20433-4959
UC 4269

37' : 20455-5105
HU 1618

56' : 20403-4956
KRW 2

63' : 20403-5114
HU 1617

64' : 20516-5030
KPP 479

64' : 20469-4929
CBL 180

70' : 20458-4920
HDS2956

80' : 20436-5148
I 128

93' : 20354-5014
WOR9002AB

95' : 20539-5111
CPO 618

97' : 20485-5200
B 1388

98' : 20525-5136
ALD 94

102' : 20351-5109
HDS2941

103' : 20511-5154
SHN 248

106' : 20534-4923
SHY 784AB

107' : 20546-4938
TOK 680AB

117' : 20533-4906
TDT2608

120' : 20394-5216
UC 4245

121' : 20500-5220
I 1428

121' : 20506-5218
HU 1623

123' : 20381-4846
UC 4241

125' : 20327-4949
TSN 34

127' : 20421-4825
SKF1167

128' : 20331-4932
UC 4215

129' : 20384-5221
RST1074AB

131' : 20382-5223
TDT2440



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.

20450-5029 I 17 AB (HD 197322)

 
 
20h 44m 57.56s -50° 29' 16.5" P.A. 32.00 sep 1.2 mag 7.97,7.95 Sp A0IV/V dist. 333.33 pc (1087.32 l.y.)
 
 
Coord 2000 20450-5029 Discov num I    17 Comp AB Coord arcsec 2000 20 44 57.56 -50 29 16.5
Date first 1894 Date last 2008 Obs 26
Pa first 30 Pa last 32.4 P.A. Now (θ) 32.4°
Sep first 1.0 Sep last 1.16 Sep. Now (ρ) 1.16"
Mag pri 7.97 Mag sec 7.95 delta mag (ΔM) 0.02 Spectral class A0IV/V (white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
20450-5029 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197322 246715 20 44 58 -50 29 16 I 17 AB 2008 26 32 1.2 7.97 7.95 0.02 <===
Show 246715 20 44 58 -50 29 16 DUN 235 AC 2015 17 122 125.4 7.96 7.48 0.48
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 197322 Constellation Indus SAO 246715 HIP 102396
Tycho2 8415-00927-1 Gaia DR2 6480764633558584704 HD 197322 GC 28882
CD CD-5013114 CP CP-5011422 Distance 333.33 Distance ly 1087.32
 
 
WDS 20450-5029 I 17 AB (HD 197322) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Dun1829 Ma - Dunlop, J. 1829MmRAS...3..257D
Dun1829 MemRAS 3, 257, 1829
Dun1829 some measures corrected in LRR2022
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
20450-5029 I 17 AB 1992 25 35 1.0 7.97 7.95 A0IV/V D 204457.56-502916.5
20450-5029 I 17 AB 2008 26 32 1.2 7.97 7.95 A0IV/V 204457.56-502916.5

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

 
 
WDS 20450-5029 I 17 AB (HD 197322) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20450-5029 I 17 AB (HD 197322) : MEASURES
 
 
No records found.

 
 
WDS 20450-5029 (HD 197322) : VIRTUAL EYEPIECE
 
 

20450-5029 I 17A mag 7.97 Sp A0IV/V 20450-5029 I 17B sep 1.1 P.A. 22.00 mag 7.95 20450-5029 DUN 235C sep 95.0 P.A. 134.70 mag 7.48 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 20450-5029 (HD 197322) : ALADIN DSS IMAGE @ 20h 44m 57.56s -50° 29' 16.5"
 
 
 
 
WDS 20450-5029 I 17 AB (HD 197322) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20450-5029 I 17AB distance=0' 20433-4959 UC 4269 distance=34' 20455-5105 HU 1618 distance=37' 20403-4956 KRW 2 distance=56' 20403-5114 HU 1617 distance=63' 20516-5030 KPP 479 distance=64' 20469-4929 CBL 180 distance=64' 20458-4920 HDS2956 distance=70' 20436-5148 I 128 distance=80' 20354-5014 LDS 714AC distance=93' 20354-5014 WOR9002AB distance=93' 20539-5111 CPO 618 distance=95' 20485-5200 B 1388 distance=97' 20525-5136 ALD 94 distance=98' 20351-5109 HDS2941 distance=102' 20511-5154 SHN 248 distance=103' 20534-4923 SHY 784AB distance=106' 20534-4923 SHY 784BC distance=107' 20546-4938 TOK 680AB distance=107' 20546-4938 TOK 680AC distance=107' 20533-4906 TDT2608 distance=117' 20394-5216 UC 4245 distance=120' 20500-5220 I 1428 distance=121' 20506-5218 HU 1623 distance=121' 20381-4846 UC 4241 distance=123' 20327-4949 TSN 34 distance=125' 20421-4825 SKF1167 distance=127' 20331-4932 UC 4215 distance=128' 20384-5221 RST1074AB distance=129' 20382-5223 TDT2440 distance=131' 20315-5012 B 488 distance=131' 20570-5138 KPP 480 distance=133' 20549-5207 ARY 78 distance=136' 20551-5207 I 18 distance=137' 20380-4828 WSP 88 distance=139' 20492-5242 UC 4300AB distance=139' 20508-5237 RST1077 distance=140' 20385-4821 BRT1113 distance=144' 20577-5148 RST1078 distance=144' 20529-4826 CPO9297 distance=146' 21000-5111 I 1432 distance=149' 21004-5003 UC 4358 distance=151' 20291-5105 I 664 distance=155' 21009-5107 RST1079 distance=156' 21014-5019 SKF 379 distance=158' 20568-4840 HU 1332 distance=159' 21013-5110 KPP2255 distance=161' 20358-4815 BRT1112 distance=161' 20485-4750 TDT2554 distance=163' 20402-4749 UC 4252 distance=167' 20458-5317 UC 4283 distance=168' 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 20450-5029 I 17 AB 32 1.2
Show 20450-5029 DUN 235 AC 122 125.4
Show 20433-4959 UC 4269 85 20.3 34
Show 20455-5105 HU 1618 240 1.0 37
Show 20403-4956 KRW 2 62 20.5 56
Show 20403-5114 HU 1617 279 0.2 63
Show 20516-5030 KPP 479 347 4.9 64
Show 20469-4929 CBL 180 198 27.9 64
Show 20458-4920 HDS2956 294 12.8 70
Show 20436-5148 I 128 328 3.6 80
Show 20354-5014 LDS 714 AC 238 100.3 93
Show 20354-5014 WOR9002 AB 273 1.1 93
Show 20539-5111 CPO 618 315 6.1 95
Show 20485-5200 B 1388 327 5.4 97
Show 20525-5136 ALD 94 304 1.7 98
Show 20351-5109 HDS2941 268 5.1 102
Show 20511-5154 SHN 248 344 1.3 103
Show 20534-4923 SHY 784 AB 134 348.4 106
Show 20534-4923 SHY 784 BC 147 2.8 107
Show 20546-4938 TOK 680 AB 271 5.3 107
Show 20546-4938 TOK 680 AC 333 7.0 107
Show 20533-4906 TDT2608 172 1.1 117
Show 20394-5216 UC 4245 199 24.1 120
Show 20500-5220 I 1428 304 6.9 121
Show 20506-5218 HU 1623 229 1.6 121
Show 20381-4846 UC 4241 189 44.7 123
Show 20327-4949 TSN 34 213 8.7 125
Show 20421-4825 SKF1167 253 84.3 127
Show 20331-4932 UC 4215 113 41.9 128
Show 20384-5221 RST1074 AB 226 2.5 129
Show 20382-5223 TDT2440 228 1.8 131
Show 20315-5012 B 488 78 1.7 131
Show 20570-5138 KPP 480 259 3.9 133
Show 20549-5207 ARY 78 302 31.7 136
Show 20551-5207 I 18 359 4.0 137
Show 20380-4828 WSP 88 147 16.3 139
Show 20492-5242 UC 4300 AB 240 62.2 139
Show 20508-5237 RST1077 193 1.2 140
Show 20385-4821 BRT1113 211 4.6 144
Show 20577-5148 RST1078 114 1.1 144
Show 20529-4826 CPO9297 304 3.4 146
Show 21000-5111 I 1432 272 0.3 149
Show 21004-5003 UC 4358 261 11.1 151
Show 20291-5105 I 664 281 1.5 155
Show 21009-5107 RST1079 101 2.0 156
Show 21014-5019 SKF 379 158 12.9 158
Show 20568-4840 HU 1332 85 3.7 159
Show 21013-5110 KPP2255 27 18.8 161
Show 20358-4815 BRT1112 145 4.8 161
Show 20485-4750 TDT2554 162 2.3 163
Show 20402-4749 UC 4252 317 5.7 167

 
 
WDS 20450-5029 : COMPONENTS
 
 
  A B
B pa=22.0°
sep=1.06"
 
C pa=134.7°
sep=95.00"
pa=135.3°
sep=95.41"
 
 
20450-5029 A
 
 
Name HD 197322 Coord arcsec 2000 204457.56-502916.5 Mag 7.97 Spectral class A0IV/V (white)
PmRA 5.00 PmDE -11.0 SAO 246715 HIP 102396
Tycho2 8415-00927-2 HD 197322 GC 28882 CD CD-5013114
CP CP-5011422
Tycho2
Tycho2 8415-00927-2 Pflag P RAmdeg 311.23997759 DEmdeg -50.48782491
PmRA 4.9 PmDE -10.6 E RAmdeg 5 E DEmdeg 6
E pmRA 2.2 E pmDE 2.0 EpRAm 1991.72 EpDEm 1991.75
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.1 BTmag 7.951 E BTmag 0.016 VTmag 7.966
E VTmag 0.012 Prox 10 TYC T HIP 102396
CCDM A RAdeg 311.23984861 DEdeg -50.48790722 EpRA 1990 1.81
EpDE 1990 1.90 E RAdeg 5.0 E DEdeg 5.8 Posflg D
Corr 0.0
SAO
SAO 246715 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.002 Vmag 7.5 SpType A0
Double code Source 70 CatNum 28882 DM CD-5013114
DMcomp BDsup HD 197322 M HD 0
GC 28882 RA1950rad 5.41648882 DE1950rad -0.88434997 PmRA2000 -0.0009
PmDE2000 -0.006
Hipparcos
Catalog H HIP 102396 Proxy H RAhms 20 44 57.56
DEdms -50 29 16.5 Vmag 7.27 VarFlag R Vmag H
RAdeg 311.24 DEdeg -50.4879 AstroRef A Plx 1.88
CCDM 20451-5030 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 35 Rho 0.975 HD 197322 BD
CD CD-5013114 CP CP-5011422 Dm number -5013114 VIred 0
SpType A0IV/V R SpType Coord arcsec 2000 204457.56-502916.5
Hipparcos 2
HIP 102396 Sn 15 So 3 Nc 2
RArad 5.432160017 DErad -0.8811802463 Plx 3 PmRA 6.6
PmDE -6.47 E RArad 0.72 E DErad 0.75 E Plx 1.13
E pmRA 1.12 E pmDE 0.74 Hpmag 7.2756 E Hpmag 0.0013
SHp 0.01 VA 0 BV -0.013 E BV 0.016
VI 0.01
 
 
20450-5029 B
 
 
Coord arcsec 2000 204457.60-502915.5 Mag 7.95 PmRA 5.00 PmDE -11.0
Tycho2 8415-00927-1 Calc delta mag 0.02 Calc coord yes
Tycho2
Tycho2 8415-00927-1 Pflag P RAmdeg 311.23997759 DEmdeg -50.48782491
PmRA 4.9 PmDE -10.6 E RAmdeg 5 E DEmdeg 6
E pmRA 2.2 E pmDE 2.0 EpRAm 1991.72 EpDEm 1991.75
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.1 BTmag 7.999 E BTmag 0.017 VTmag 7.953
E VTmag 0.012 Prox 10 TYC T HIP 102396
CCDM B RAdeg 311.24008306 DEdeg -50.48768472 EpRA 1990 1.81
EpDE 1990 1.91 E RAdeg 5.2 E DEdeg 5.9 Posflg D
Corr -0.1
 
 
20450-5029 C
 
 
Coord arcsec 2000 204504.64-503023.3 Mag 7.48 PmRA 27.00 PmDE -8.0
Calc delta mag 0.49 Calc coord yes