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Doubles in session


Current system
18200+2120
AG 221 AC


Nearby doubles
11' : 18206+2126
UC 3554

17' : 18203+2104
HDS2592

25' : 18208+2114
FUR 3

26' : 18183+2114
LDS4784

26' : 18205+2055
COU 202

27' : 18218+2115
FUR 4

27' : 18218+2130
BU 641

33' : 18204+2048
WFC 206

42' : 18225+2056
AZC 104

47' : 18227+2053
DAM 283

53' : 18218+3038
L 21

55' : 18216+2030
HO 430

55' : 18223+2036
L 20

58' : 18237+2146
STT 587AB

61' : 18225+2030
DAM 282

63' : 18218+2023
DAM 281

68' : 18173+2025
J 759

71' : 18151+2136
LDS4780

74' : 18162+2211
TDT 766

74' : 18253+2116
TDT 850AB

76' : 18166+2022
KPP3329

76' : 18248+2156
BRT2445

78' : 18241+2027
HO 652

80' : 18144+2127
HJ 2828

80' : 18240+2023
CLZ 74

81' : 18155+2030
RAO 385



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.

18200+2120 AG 221 AC

 
 
18h 20m 02.24s +21° 20' 00.7" P.A. 9.00 sep 9.7 mag 9.90,12.90 Sp F8
 
 
Coord 2000 18200+2120 Discov num AG  221 Comp AC Coord arcsec 2000 18 20 02.24 +21 20 00.7
Date first 1904 Date last 2015 Obs 5
Pa first 10 Pa last 9.4 P.A. Now (θ) 9.4°
Sep first 13.2 Sep last 9.656 Sep. Now (ρ) 9.656"
Mag pri 9.90 Mag sec 12.90 delta mag (ΔM) 3 Spectral class F8 (yellow-white)
Pri motion ra +002 Sec motion ra
Pri motion dec +033 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18200+2120 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 342090 18 20 02 +21 20 01 AG 221 AB 2016 38 12 1.8 9.90 9.87 0.03
Show 18 20 02 +21 20 01 AG 221 AC 2015 5 9 9.7 9.90 12.90 3.00 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1580-01378-1 Gaia DR2 4528884104149992448
 
 
WDS 18200+2120 AG 221 AC : NOTES
 
 
No records found.

 
 
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18200+2120 AG 221 AC 2006 3 11 10.9 9.90 12.90 F8 D 182002.24+212000.7
18200+2120 AG 221 AC 2015 5 9 9.7 9.90 12.90 F8 182002.24+212000.7

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

 
 
WDS 18200+2120 AG 221 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18200+2120 AG 221 AC : MEASURES
 
 
No records found.

 
 
WDS 18200+2120 : VIRTUAL EYEPIECE
 
 

18200+2120 AG 221A mag 9.9 Sp F8 18200+2120 AG 221B sep 1.8 P.A. 11.50 mag 9.87 18200+2120 AG 221C sep 9.6 P.A. 8.80 mag 12.9 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 18200+2120 : ALADIN DSS IMAGE @ 18h 20m 02.24s +21° 20' 00.7"
 
 
 
 
WDS 18200+2120 AG 221 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18200+2120 AG 221AC distance=0' 18206+2126 UC 3554 distance=11' 18203+2104 HDS2592 distance=17' 18208+2114 FUR 3 distance=25' 18183+2114 LDS4784 distance=26' 18205+2055 COU 202 distance=26' 18218+2115 FUR 4 distance=27' 18218+2130 BU 641 distance=27' 18204+2048 WFC 206 distance=33' 18225+2056 AZC 104 distance=42' 18227+2053 DAM 283 distance=47' 18218+3038 L 21 distance=53' 18216+2030 HO 430 distance=55' 18223+2036 L 20 distance=55' 18237+2146 STT 587AB distance=58' 18237+2146 STG 7AC distance=58' 18237+2146 TOK 60Aa,Ab distance=58' 18225+2030 DAM 282 distance=61' 18218+2023 DAM 281 distance=63' 18173+2025 J 759 distance=68' 18151+2136 LDS4780 distance=71' 18162+2211 TDT 766 distance=74' 18253+2116 TDT 850AB distance=74' 18166+2022 KPP3329 distance=76' 18248+2156 BRT2445 distance=76' 18241+2027 HO 652 distance=78' 18144+2127 HJ 2828 distance=80' 18240+2023 CLZ 74 distance=80' 18155+2030 RAO 385 distance=81' 18163+2016 HO 269 distance=82' 18142+2127 BIG 2 distance=82' 18245+2028 BU 1325 distance=83' 18206+2248 STF2310 distance=89' 18172+1955 TDT 775 distance=94' 18135+2142 TDS 909 distance=94' 18133+2118 TDT 743 distance=95' 18153+2012 J 2124 distance=95' 18200+2257 SLE 155 distance=97' 18165+2249 HU 319AB distance=103' 18165+2249 HU 319AC distance=103' 18140+2017 HO 268 distance=106' 18274+2152 CBL 170 distance=108' 18190+2307 POU3384 distance=109' 18141+2235 TDT 755 distance=112' 18163+2301 TDT 769AB distance=114' 18163+2301 GII 263Aa,Ab distance=114' 18163+2301 TDT 769AC distance=114' 18154+1946 STT 346 distance=115' 18144+1953 HDS2576 distance=118' 18252+2254 TDT 848 distance=119' 18175+2312 POU3381 distance=119' 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 18200+2120 AG 221 AB 12 1.8
Show 18200+2120 AG 221 AC 9 9.7
Show 18206+2126 UC 3554 172 16.8 11
Show 18203+2104 HDS2592 184 0.2 17
Show 18208+2114 FUR 3 324 2.4 25
Show 18183+2114 LDS4784 61 121.3 26
Show 18205+2055 COU 202 294 0.2 26
Show 18218+2115 FUR 4 32 3.1 27
Show 18218+2130 BU 641 341 0.8 27
Show 18204+2048 WFC 206 45 9.4 33
Show 18225+2056 AZC 104 274 33.6 42
Show 18227+2053 DAM 283 253 7.8 47
Show 18218+3038 L 21 91 7.1 53
Show 18216+2030 HO 430 194 2.5 55
Show 18223+2036 L 20 337 2.2 55
Show 18237+2146 STT 587 AB 323 238.0 58
Show 18237+2146 STG 7 AC 84 129.1 58
Show 18237+2146 TOK 60 Aa,Ab 280 0.0 58
Show 18225+2030 DAM 282 245 8.0 61
Show 18218+2023 DAM 281 75 10.5 63
Show 18173+2025 J 759 82 2.5 68
Show 18151+2136 LDS4780 206 124.5 71
Show 18162+2211 TDT 766 213 2.4 74
Show 18253+2116 TDT 850 AB 199 0.5 74
Show 18166+2022 KPP3329 203 1.5 76
Show 18248+2156 BRT2445 21 2.4 76
Show 18241+2027 HO 652 352 33.2 78
Show 18144+2127 HJ 2828 109 16.4 80
Show 18240+2023 CLZ 74 51 87.8 80
Show 18155+2030 RAO 385 87 0.8 81
Show 18163+2016 HO 269 152 8.9 82
Show 18142+2127 BIG 2 140 34.5 82
Show 18245+2028 BU 1325 353 5.6 83
Show 18206+2248 STF2310 235 5.1 89
Show 18172+1955 TDT 775 156 0.9 94
Show 18135+2142 TDS 909 21 1.6 94
Show 18133+2118 TDT 743 68 1.0 95
Show 18153+2012 J 2124 348 3.9 95
Show 18200+2257 SLE 155 70 10.9 97
Show 18165+2249 HU 319 AB 125 0.3 103
Show 18165+2249 HU 319 AC 201 2.8 103
Show 18140+2017 HO 268 180 1.0 106
Show 18274+2152 CBL 170 160 26.6 108
Show 18190+2307 POU3384 76 9.0 109
Show 18141+2235 TDT 755 77 1.8 112
Show 18163+2301 TDT 769 AB 22 0.5 114
Show 18163+2301 GII 263 Aa,Ab 136 0.1 114
Show 18163+2301 TDT 769 AC 286 2.0 114
Show 18154+1946 STT 346 329 5.3 115
Show 18144+1953 HDS2576 68 1.0 118
Show 18252+2254 TDT 848 236 0.5 119

 
 
WDS 18200+2120 : COMPONENTS
 
 
  A B
B pa=11.5°
sep=1.77"
 
C pa=8.8°
sep=9.64"
pa=8.2°
sep=7.87"
 
 
18200+2120 A
 
 
Name HD 342090 Coord arcsec 2000 182002.24+212000.7 Mag 9.9 Spectral class F8 (yellow-white)
PmRA 1.00 PmDE 23.0 Tycho2 1580-01378-1
Tycho2
Tycho2 1580-01378-1 Pflag P RAmdeg 275.00937742 DEmdeg 21.33355602
PmRA 1.4 PmDE 22.8 E RAmdeg 17 E DEmdeg 14
E pmRA 1.3 E pmDE 1.2 EpRAm 1989.18 EpDEm 1990.07
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 10.458 E BTmag 0.029 VTmag 9.897
E VTmag 0.024 Prox 17 TYC T HIP
CCDM RAdeg 275.00932028 DEdeg 21.33329278 EpRA 1990 1.38
EpDE 1990 1.60 E RAdeg 16.5 E DEdeg 14.1 Posflg D
Corr -0.1
CCDM
Ccdm 18200+2120 RComp Comp A Note1
Note2 Discov num DRAs 2.23 DDEs 0.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 9.6 Sp F8 PmNote *
PmRA 11 PmDE 18 Dm number +21 3386 Cat1 BD
Name2 +21 1815 Cat2 AGK2/3 HD M HD
ADS BDS A11265 M ADS BDS N IDS IDS 18158N2117A
HIC
 
 
18200+2120 B
 
 
Coord arcsec 2000 182002.27+212002.4 Mag 9.87 PmRA 1.00 PmDE 23.0
Tycho2 1580-01378-2 HD 342090 Calc delta mag 0.03 Calc coord yes
Tycho2
Tycho2 1580-01378-2 Pflag P RAmdeg 275.00937742 DEmdeg 21.33355602
PmRA 1.4 PmDE 22.8 E RAmdeg 17 E DEmdeg 14
E pmRA 1.3 E pmDE 1.2 EpRAm 1989.18 EpDEm 1990.07
Num 6 Q RAmdeg 1.0 Q DEmdeg 0.9 Q pmRA 1.0
Q pmDE 0.9 BTmag 10.525 E BTmag 0.029 VTmag 9.872
E VTmag 0.024 Prox 17 TYC T HIP
CCDM RAdeg 275.00943417 DEdeg 21.33374056 EpRA 1990 1.38
EpDE 1990 1.61 E RAdeg 17.4 E DEdeg 14.7 Posflg D
Corr -0.1
CCDM
Ccdm 18200+2120 RComp Comp B Note1
Note2 Discov num AG 221 DRAs DDEs
R dRAs Year 1901 Theta 012 Rho 1.5
Obs 16 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11265 M ADS BDS N IDS IDS 18158N2117B
HIC
 
 
18200+2120 C
 
 
Coord arcsec 2000 182002.35+212010.2 Mag 12.9 Calc delta mag 3 Calc coord yes
CCDM
Ccdm 18200+2120 RComp Comp C Note1
Note2 Discov num AG 221 DRAs DDEs
R dRAs Year 1904 Theta 010 Rho 13.2
Obs 1 Vmag 12.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11265 M ADS BDS N IDS IDS 18158N2117C
HIC