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Doubles in session


Current system
18409-7204
I 636
HD 171310


Nearby doubles
5' : 18404-7201
LDS 647

10' : 18414-7213
B 2053

22' : 18395-7224
TDT 979

40' : 18430-7126
HJ 5048

42' : 18498-7157
TDS 949AB

48' : 18470-7126
HEI 262

49' : 18490-7133
TDS 948

51' : 18307-7148
B 2867

52' : 18309-7227
TDT 920

53' : 18350-7119
UC 3619AB

53' : 18315-7135
TDT 927

54' : 18345-7250
TDT 941

55' : 18501-7240
B 2868

61' : 18457-7300
NZO 92

63' : 18348-7109
TDT 943

67' : 18493-7111
TDT1071

67' : 18373-7308
B 2452

68' : 18391-7058
TDT 974

69' : 18497-7300
R 314

70' : 18265-7147
HJ 5038

73' : 18554-7233
TDT1128

73' : 18254-7153
WIS 327

80' : 18393-7045
TDT 977

88' : 18492-7321
B 2459

88' : 18221-7222
UC 3563AB

91' : 18214-7214
UC 3557



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.

18409-7204 I 636 (HD 171310)

 
 
18h 40m 55.38s -72° 04' 20.1" P.A. 229.00 sep 1.1 mag 8.89,10.11 Sp A3V
 
 
Coord 2000 18409-7204 Discov num I   636 Comp Coord arcsec 2000 18 40 55.38 -72 04 20.1
Date first 1909 Date last 2016 Obs 7
Pa first 240 Pa last 229 P.A. Now (θ) 229°
Sep first 1.2 Sep last 1.107 Sep. Now (ρ) 1.107"
Mag pri 8.89 Mag sec 10.11 delta mag (ΔM) 1.22 Spectral class A3V (white)
Pri motion ra +008 Sec motion ra +008
Pri motion dec -012 Sec motion dec -012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 171310 Constellation Pavo Tycho2 9299-00907-1 Gaia DR2 6418592744275206272
HD 171310
 
 
WDS 18409-7204 I 636 (HD 171310) : 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
18409-7204 I 636 1991 6 230 1.1 8.89 10.11 A3V 184055.38-720420.1
18409-7204 I 636 2016 7 229 1.1 8.89 10.11 A3V 184055.38-720420.1

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

 
 
WDS 18409-7204 I 636 (HD 171310) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18409-7204 I 636 (HD 171310) : MEASURES
 
 
No records found.

 
 
WDS 18409-7204 (HD 171310) : VIRTUAL EYEPIECE
 
 

18409-7204 I 636A mag 8.89 Sp A3V 18409-7204 I 636B sep 0.8 P.A. 199.50 mag 10.11 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 18409-7204 (HD 171310) : ALADIN DSS IMAGE @ 18h 40m 55.38s -72° 04' 20.1"
 
 
 
 
WDS 18409-7204 I 636 (HD 171310) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18409-7204 I 636 distance=1' 18404-7201 LDS 647 distance=5' 18414-7213 B 2053 distance=10' 18395-7224 TDT 979 distance=22' 18430-7126 HJ 5048 distance=40' 18498-7157 TDS 949AB distance=42' 18498-7157 SKF1506AB,C distance=42' 18470-7126 HEI 262 distance=48' 18490-7133 TDS 948 distance=49' 18307-7148 B 2867 distance=51' 18309-7227 TDT 920 distance=52' 18350-7119 UC 3619AB distance=53' 18350-7119 UC 3619AC distance=53' 18350-7119 UC 3619BC distance=53' 18315-7135 TDT 927 distance=53' 18345-7250 TDT 941 distance=54' 18501-7240 B 2868 distance=55' 18457-7300 NZO 92 distance=61' 18348-7109 TDT 943 distance=63' 18493-7111 TDT1071 distance=67' 18373-7308 B 2452 distance=67' 18391-7058 TDT 974 distance=68' 18497-7300 R 314 distance=69' 18265-7147 HJ 5038 distance=70' 18554-7233 TDT1128 distance=73' 18254-7153 WIS 327 distance=73' 18393-7045 TDT 977 distance=80' 18492-7321 B 2459 distance=88' 18221-7222 UC 3563AB distance=88' 18214-7214 UC 3557 distance=91' 19000-7132 HDS2694AB distance=95' 19001-7242 B 2054 distance=96' 18509-7329 KPP1085 distance=96' 18264-7324 TDT 869 distance=103' 18232-7310 LDS 634 distance=103' 18572-7325 HEI 264 distance=108' 19002-7104 TDS 957 distance=110' 18212-7322 LDS 630 distance=117' 18210-7055 TDT 814AB distance=118' 18329-7358 HDS2631 distance=119' 18397-7005 TDT 983 distance=120' 18307-7357 TDT 919 distance=122' 18381-7002 TDT 967 distance=124' 18268-7014 TDT 873 distance=130' 18518-7005 TDT1093 distance=131' 18225-7347 TDT 822 distance=131' 18379-6954 MLO 82 distance=132' 18274-7008 TDT 885 distance=134' 18412-6950 UC 3637 distance=135' 18495-6954 TDT1074 distance=137' 18446-6947 TDT1025 distance=139' 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 18409-7204 I 636 229 1.1 1
Show 18404-7201 LDS 647 45 380.0 5
Show 18414-7213 B 2053 319 0.3 10
Show 18395-7224 TDT 979 49 0.7 22
Show 18430-7126 HJ 5048 356 69.6 40
Show 18498-7157 TDS 949 AB 134 0.9 42
Show 18498-7157 SKF1506 AB,C 306 20.9 42
Show 18470-7126 HEI 262 273 0.5 48
Show 18490-7133 TDS 948 266 0.9 49
Show 18307-7148 B 2867 275 10.0 51
Show 18309-7227 TDT 920 94 1.9 52
Show 18350-7119 UC 3619 AB 246 28.1 53
Show 18350-7119 UC 3619 AC 243 36.0 53
Show 18350-7119 UC 3619 BC 231 8.2 53
Show 18315-7135 TDT 927 356 0.5 53
Show 18345-7250 TDT 941 349 1.0 54
Show 18501-7240 B 2868 84 6.4 55
Show 18457-7300 NZO 92 46 3.5 61
Show 18348-7109 TDT 943 257 1.4 63
Show 18493-7111 TDT1071 263 0.6 67
Show 18373-7308 B 2452 60 3.0 67
Show 18391-7058 TDT 974 176 0.6 68
Show 18497-7300 R 314 273 2.0 69
Show 18265-7147 HJ 5038 300 11.8 70
Show 18554-7233 TDT1128 104 0.5 73
Show 18254-7153 WIS 327 182 682.9 73
Show 18393-7045 TDT 977 138 1.2 80
Show 18492-7321 B 2459 37 2.9 88
Show 18221-7222 UC 3563 AB 60 12.7 88
Show 18214-7214 UC 3557 223 15.9 91
Show 19000-7132 HDS2694 AB 239 0.8 95
Show 19001-7242 B 2054 309 3.3 96
Show 18509-7329 KPP1085 102 8.6 96
Show 18264-7324 TDT 869 183 1.8 103
Show 18232-7310 LDS 634 126 54.6 103
Show 18572-7325 HEI 264 113 1.0 108
Show 19002-7104 TDS 957 196 1.5 110
Show 18212-7322 LDS 630 315 42.0 117
Show 18210-7055 TDT 814 AB 45 0.4 118
Show 18329-7358 HDS2631 81 0.6 119
Show 18397-7005 TDT 983 127 1.2 120
Show 18307-7357 TDT 919 189 0.6 122
Show 18381-7002 TDT 967 290 0.7 124
Show 18268-7014 TDT 873 262 0.7 130
Show 18518-7005 TDT1093 10 0.4 131
Show 18225-7347 TDT 822 333 0.8 131
Show 18379-6954 MLO 82 207 3.3 132
Show 18274-7008 TDT 885 336 0.5 134
Show 18412-6950 UC 3637 265 61.3 135
Show 18495-6954 TDT1074 342 1.5 137
Show 18446-6947 TDT1025 230 0.5 139

 
 
WDS 18409-7204 : COMPONENTS
 
 
  A
B pa=199.5°
sep=0.77"
 
 
18409-7204 A
 
 
Componente originario normalizzato AB Name HD 171310 Coord arcsec 2000 184055.38-720420.1 Mag 8.89
Spectral class A3V (white) PmRA 8.00 PmDE -12.0 Tycho2 9299-00907-1
HD 171310
Tycho2
Tycho2 9299-00907-1 Pflag P RAmdeg 280.23076722 DEmdeg -72.07224696
PmRA 8.4 PmDE -11.8 E RAmdeg 6 E DEmdeg 5
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.41 EpDEm 1991.64
Num 7 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.3 BTmag 9.078 E BTmag 0.015 VTmag 8.887
E VTmag 0.012 Prox 11 TYC T HIP
CCDM RAdeg 280.23083000 DEdeg -72.07218722 EpRA 1990 1.60
EpDE 1990 1.77 E RAdeg 6.1 E DEdeg 5.3 Posflg D
Corr 0.0
CCDM
Ccdm 18409-7204 RComp Comp A Note1
Note2 Discov num DRAs 1.50 DDEs -20.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.0 Sp A2 PmNote *
PmRA 12 PmDE -12 Dm number -72 2288 Cat1 CPD
Name2 Cat2 HD 171310 M HD
ADS BDS M ADS BDS N IDS IDS 18290S7209A
HIC
 
 
18409-7204 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184055.32-720420.8 Mag 10.11 PmRA 8.00
PmDE -12.0 Tycho2 9299-00907-2 Calc delta mag 1.22 Calc coord yes
Tycho2
Tycho2 9299-00907-2 Pflag P RAmdeg 280.23076722 DEmdeg -72.07224696
PmRA 8.4 PmDE -11.8 E RAmdeg 6 E DEmdeg 5
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.41 EpDEm 1991.64
Num 7 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.3 BTmag 10.314 E BTmag 0.023 VTmag 10.108
E VTmag 0.023 Prox 11 TYC HIP
CCDM RAdeg 280.23004778 DEdeg -72.07238778 EpRA 1990 1.60
EpDE 1990 1.77 E RAdeg 14.4 E DEdeg 11.8 Posflg D
Corr -0.1
CCDM
Ccdm 18409-7204 RComp Comp B Note1
Note2 Discov num I 636 DRAs DDEs
R dRAs Year 1942 Theta 237 Rho 1.1
Obs 3 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18290S7209B
HIC