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Current system
17551+3134
ITF 16 AC


Nearby doubles
1' : 17551+3135
ITF 21

11' : 17544+3135
SEI 550

18' : 17565+3139
TDT 585

19' : 17558+3117
SEI 552

29' : 17566+3110
ES 343

46' : 17516+3129
KPP4065

53' : 17566+3045
COU 999

65' : 17501+3130
SEI 548

67' : 17569+3236
HU 1184

67' : 17499+3134
KPP 402

70' : 17535+3240
SEI 549

73' : 17532+3243
COU 998AB

74' : 17580+3237
KPP4074

75' : 17591+3228
HU 1185

78' : 17564+3018
KPP2118

82' : 17569+3252
SEI 553

83' : 18016+3132
BRT 258

85' : 18015+3113
TDT 639

88' : 18019+3123
SEI 554

90' : 18020+3153
SEI 555

94' : 17585+3011
HDS2534

100' : 17510+3010
COU 636

100' : 18020+3047
COU 811

101' : 18028+3115
TDT 651

104' : 17590+3003
STF2259

106' : 17541+2949
AC 9



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.
 
 
WDS 17551+3134 ITF 16 AC : NOTES
 
 
discov_num notes refcode
AG 215 SEI 551.
 
 
REFERENCES
 
 
refcode metd author reference
AG T Astronomische Gesellschaft (see also ref codes KR and WFD)
AG (Mean aperture 8in given in catalog for all AG_ codes)
AG_1903A T j AG - Leipzig 1903LicOB...2..115H
AG_1903A cited by Hussey (Lick Obs. Bull. 2, 115, 1903)
AG_1906A T - AG - Leipzig 1906QB821.B972.....
AG_1906A +Ma cited in BDS (Burnham Double Star Cat.), 1906
AG_1906B T - AG - Leipzig 1906MmRAS..56....1L
AG_1906B cited by Lewis (MemRAS 56, 1, 1906)
AG_1906C T - AG - Lund 1906QB821.B972.....
AG_1906C cited in BDS (Burnham Double Star Cat.), 1906
AG_1906D T - AG - Strasbourg 1906QB821.B972.....
AG_1906D cited by Burnham (Burnham Double Star Cat.), 1906
AG_1913A T - AG - Albany 1913QB811.B8.......
AG_1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913B T - AG - Berlin 1913QB811.B8.......
AG_1913B cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913C T - AG - Bonn 1913QB811.B8.......
AG_1913C cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913D T - AG - Cambridge, England 1913QB811.B8.......
AG_1913D cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913E T - AG - Christiania 1913QB811.B8.......
AG_1913E cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913F T - AG - Harvard 1913QB811.B8.......
AG_1913F cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913G T - AG - Helsingfors 1913QB811.B8.......
AG_1913G cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913H T - AG - Leiden 1913QB811.B8.......
AG_1913H cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913I T - AG - Leipzig 1913QB811.B8.......
AG_1913I cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913J T - AG - Lund 1913QB811.B8.......
AG_1913J cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913K T - AG - Strasbourg 1913QB811.B8.......
AG_1913K cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913L T - AG - Wien-Ottakring 1913QB811.B8.......
AG_1913L cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1913M T - AG - Oxford 1913QB811.B8.......
AG_1913M cited by Burnham (Carnegie Inst. Wash. #168, 1913)
AG_1932A T - AG - Leipzig 1932QB821.A43......
AG_1932A cited in ADS (Aitken Double Star Cat.), 1932
AG_1932B T - AG - Berlin 1932QB821.A43......
AG_1932B cited in ADS (Aitken Double Star Cat.), 1932
AG_1932C T - AG - Helsingfors 1932QB821.A43......
AG_1932C cited in ADS (Aitken Double Star Cat.), 1932
AG_1932D T - AG - Bonn 1932QB821.A43......
AG_1932D cited in ADS (Aitken Double Star Cat.), 1932
AG_1932E T - AG - Lund 1932QB821.A43......
AG_1932E cited in ADS (Aitken Double Star Cat.), 1932
AG_1932F T - AG - Cambridge, England 1932QB821.A43......
AG_1932F cited in ADS (Aitken Double Star Cat.), 1932
AG_1932G T - AG - Oxford 1932QB821.A43......
AG_1932G cited in ADS (Aitken Double Star Cat.), 1932
AG_2002A T - AG 2002yCat.1275....0D
AG_2002A cited in CCDM
ITF2011 C j Falcon, I.T. 2011OED.....6...79F
ITF2011 El Observador de Estrellas Dobles, Issue #6, 79, 2011
ITF2011b C j Falcon, I.T. 2011OED.....7...51F
ITF2011b El Observador de Estrellas Dobles, Issue #7, 51, 2011
ITF2012 P j Falcon, I.T. .
ITF2012 +E2 Il Bollettino Delle Stelle Doppie 2, 35, 2012
ITF2012 +E (Italian translation on page 11 of the same publication)
ITF2012b P j Falcon, I.T. 2012JDSO....8..168F
ITF2012b +E+ JDSO 8, 168, 2012
ITF2012c Pp j Falcon, I.T. 2012JDSO....8..234F
ITF2012c JDSO 8, 234, 2012
ITF2012d P j Falcon, I.T. .
ITF2012d +E+ Il Bollettino Delle Stelle Doppie 3, 9, 2012
ITF2012e P w Falcon, I.T. 2012JDSO....8..323F
ITF2012e +E+ JDSO 8, 323, 2012
ITF2013 P - Falcon, I.T. .
ITF2013 +E2 Il Bollettino Delle Stelle Doppie 4, 51, 2013
ITF2013 (Italian translation on page 5 of the same publication)
ITF2013b P - Falcon, I.T. .
ITF2013b +E+ Il Bollettino Delle Stelle Doppie 5, 84, 2013
ITF2013b +C
ITF2013c P j Falcon, I.T. .
ITF2013c +E+ Il Bollettino Delle Stelle Doppie 5, 84, 2013
ITF2013c +C (most measures in ITF2013b)
ITF2013d P - Falcon, I.T. .
ITF2013d +E+ Il Bollettino Delle Stelle Doppie 6, 57, 2013
ITF2013d +C
ITF2013e C - Falcon, I.T. .
ITF2013e +P Il Bollettino Delle Stelle Doppie 7, 52, 2013
ITF2013e +E2
ITF2014 P - Falcon, I.T. .
ITF2014 +E+ Il Bollettino Delle Stelle Doppie 8, 48, 2014
ITF2014 (Italian translation on page 5 of the same publication)
ITF2014b P - Falcon, I.T. .
ITF2014b +E2 Il Bollettino Delle Stelle Doppie 9, 31, 2014
ITF2014b +E (Italian translation on page 7 of the same publication)
ITF2014c P - Falcon, I.T. .
ITF2014c +E2 Il Bollettino Delle Stelle Doppie 10, 30, 2014
ITF2014c (Italian translation on page 16 of the same publication)
ITF2014d P - Falcon, I.T. .
ITF2014d +E2 Il Bollettino Delle Stelle Doppie 11, 33, 2014
ITF2014d +C (Italian translation on page 11 of the same publication)
ITF2015a P - Falcon, I.T. .
ITF2015a +E2 Il Bollettino Delle Stelle Doppie 12, 23, 2015
ITF2015a (Italian translation on page 13 of the same publication)
ITF2015b P - Falcon, I.T. .
ITF2015b +E2 Il Bollettino Delle Stelle Doppie 13, 26, 2015
ITF2015b (Italian translation on page 22 of the same publication)
ITF2015c P - Falcon, I.T. .
ITF2015c +E2 Il Bollettino Delle Stelle Doppie 15, 45, 2015
ITF2015c +Es (Italian translation on page 13 of the same publication)
ITF2016a P - Falcon, I.T. .
ITF2016a +E2 Il Bollettino Delle Stelle Doppie 18, 22, 2016
ITF2016a +Es (Italian translation on page 10 of the same publication)
ITF2017 P - Falcon, I.T. .
ITF2017 +E2 Il Bollettino Delle Stelle Doppie 23, 33, 2017
ITF2017 +Es (Italian translation on page 4 of the same publication)
ITF2018 P+ - Falcon, I.T. .
ITF2018 +E2+ Il Bollettino Delle Stelle Doppie 26, 69, 2018
ITF2018 +C (Italian translation on page 13 of the same publication)
ITF2018 (ITF 103-110 already published in ITF2017)
ITF2020 P - Falcon, I.T. .
ITF2020 +E Il Bollettino Delle Stelle Doppie 32, 4, 2020
ITF2021 P - Falcon, I.T. .
ITF2021 +E Il Bollettino Delle Stelle Doppie 34, 18, 2021
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17551+3134 ITF 16 AC 1998 2 108 11.4 10.31 15.60 K1V+K7V V 175507.18+313336.8
17551+3134 ITF 16 AC 2002 3 107 11.1 10.31 15.60 K1V+K7V NV 175507.18+313336.8
17551+3134 ITF 16 AC 2015 4 107 11.3 10.31 15.60 K1V+K7V NV 175507.18+313336.8
17551+3134 ITF 16 AC 2016 10 107 11.3 10.31 15.60 K1V+K7V NV 175507.18+313336.8

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