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Doubles in session


Current system
21474+2855
AG 420


Nearby doubles
14' : 21469+2907
CVR 919

18' : 21461+2855
BRT 58

21' : 21474+2834
A 300AB

36' : 21452+2914
UC 4550

37' : 21470+2930
GRV 503

37' : 21480+2819
MLB 541

38' : 21473+2932
STJ 58

42' : 21462+2817
MLB 540AB

45' : 21441+2845
STF2822AB

45' : 21454+2819
J 3145

50' : 21444+2824
KPP3373

51' : 21510+2911
A 889AB

55' : 21458+2945
DAM 236

57' : 21517+2852
SHN 256

57' : 21517+2856
HLD 49

60' : 21455+2948
DAM 237

63' : 21458+2954
TDT3146

63' : 21442+2942
MLB 493

66' : 21457+2957
TDT3145

72' : 21505+2756
AZC 116

73' : 21503+2754
MLB 576

73' : 21524+2823
NSN 67

74' : 21418+2901
MLB 492

75' : 21477+2740
CVR 922

77' : 21420+2924
MLB 539

78' : 21416+2911
GRV 493



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.

21474+2855 AG 420

 
 
21h 47m 24.31s +28° 54' 54.2" P.A. 145.00 sep 7.5 mag 11.10,11.90 Sp K0
 
 
Coord 2000 21474+2855 Discov num AG  420 Comp Coord arcsec 2000 21 47 24.31 +28 54 54.2
Date first 1894 Date last 2015 Obs 14
Pa first 155 Pa last 145.3 P.A. Now (θ) 145.3°
Sep first 10.1 Sep last 7.547 Sep. Now (ρ) 7.547"
Mag pri 11.10 Mag sec 11.90 delta mag (ΔM) 0.8 Spectral class K0 (yellow-orange)
Pri motion ra +000 Sec motion ra +004
Pri motion dec -004 Sec motion dec +024
Notes
rPM=1.162
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1801143051534643456
 
 
WDS 21474+2855 AG 420 : 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
21474+2855 AG 420 1997 5 148 7.8 11.10 11.90 K0 D 214724.31+285454.2
21474+2855 AG 420 2007 6 143 7.8 11.10 11.90 K0 D 214724.31+285454.2
21474+2855 AG 420 2008 9 147 7.5 11.10 11.90 K0 D 214724.31+285454.2
21474+2855 AG 420 2015 11 145 7.5 11.10 11.90 K0 214724.31+285454.2

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

 
 
WDS 21474+2855 AG 420 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21474+2855 AG 420 : MEASURES
 
 
No records found.

 
 
WDS 21474+2855 : VIRTUAL EYEPIECE
 
 

21474+2855 AG 420A mag 11.1 Sp K0 21474+2855 AG 420B sep 7.3 P.A. 148.80 mag 11.9 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 21474+2855 : ALADIN DSS IMAGE @ 21h 47m 24.31s +28° 54' 54.2"
 
 
 
 
WDS 21474+2855 AG 420 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21474+2855 AG 420 distance=1' 21469+2907 CVR 919 distance=14' 21461+2855 BRT 58 distance=18' 21474+2834 A 300AB distance=21' 21474+2834 A 300AC distance=21' 21474+2834 A 300AD distance=21' 21452+2914 UC 4550 distance=36' 21470+2930 GRV 503 distance=37' 21480+2819 MLB 541 distance=37' 21473+2932 STJ 58 distance=38' 21441+2845 ES 521DE distance=42' 21441+2845 FYM 25DG distance=42' 21462+2817 MLB 540AB distance=42' 21462+2817 MLB 540AC distance=42' 21462+2817 ABH 152AD distance=42' 21462+2817 ABH 152AE distance=42' 21441+2845 STF2822AB distance=45' 21441+2845 STF2822AC distance=45' 21441+2845 STF2822AD distance=45' 21441+2845 FYM 25AF distance=45' 21441+2845 FYM 25AG distance=45' 21441+2845 STF2822BD distance=45' 21454+2819 J 3145 distance=45' 21444+2824 KPP3373 distance=50' 21510+2911 A 889AB distance=51' 21510+2911 A 889Aa,Ab distance=51' 21458+2945 DAM 236 distance=55' 21517+2852 SHN 256 distance=57' 21517+2856 HLD 49 distance=57' 21455+2948 DAM 237 distance=60' 21458+2954 TDT3146 distance=63' 21442+2942 MLB 493 distance=63' 21457+2957 TDT3145 distance=66' 21505+2756 AZC 116 distance=72' 21503+2754 MLB 576 distance=73' 21524+2823 NSN 67 distance=73' 21418+2901 MLB 492 distance=74' 21477+2740 CVR 922 distance=75' 21420+2924 MLB 539 distance=77' 21416+2911 GRV 493 distance=78' 21439+2751 HO 166 distance=80' 21430+2951 KPP 498 distance=81' 21538+2856 MLB 495 distance=82' 21423+2800 GRV 494 distance=87' 21410+2920 STT 448 distance=88' 21540+2852 GRV 519 distance=88' 21530+2939 BRT 59 distance=88' 21420+2951 MLB 720 distance=91' 21521+2748 HO 171 distance=92' 21539+2821 WSI 8 distance=93' 21451+3026 TDT3136 distance=96' 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 21474+2855 AG 420 145 7.5 1
Show 21469+2907 CVR 919 201 23.5 14
Show 21461+2855 BRT 58 165 4.4 18
Show 21474+2834 A 300 AB 252 2.3 21
Show 21474+2834 A 300 AC 29 7.5 21
Show 21474+2834 A 300 AD 170 8.4 21
Show 21452+2914 UC 4550 15 42.5 36
Show 21470+2930 GRV 503 331 20.4 37
Show 21480+2819 MLB 541 340 9.9 37
Show 21473+2932 STJ 58 193 1.8 38
Show 21441+2845 ES 521 DE 286 17.5 42
Show 21441+2845 FYM 25 DG 164 89.6 42
Show 21462+2817 MLB 540 AB 256 4.1 42
Show 21462+2817 MLB 540 AC 322 8.7 42
Show 21462+2817 ABH 152 AD 68 41.8 42
Show 21462+2817 ABH 152 AE 96 80.1 42
Show 21441+2845 STF2822 AB 325 1.6 45
Show 21441+2845 STF2822 AC 292 76.6 45
Show 21441+2845 STF2822 AD 43 197.0 45
Show 21441+2845 FYM 25 AF 72 111.5 45
Show 21441+2845 FYM 25 AG 73 168.1 45
Show 21441+2845 STF2822 BD 45 196.7 45
Show 21454+2819 J 3145 112 5.4 45
Show 21444+2824 KPP3373 242 2.1 50
Show 21510+2911 A 889 AB 15 0.2 51
Show 21510+2911 A 889 Aa,Ab 323 0.0 51
Show 21458+2945 DAM 236 143 5.9 55
Show 21517+2852 SHN 256 -1 0.6 57
Show 21517+2856 HLD 49 341 2.1 57
Show 21455+2948 DAM 237 233 6.3 60
Show 21458+2954 TDT3146 359 2.5 63
Show 21442+2942 MLB 493 330 8.6 63
Show 21457+2957 TDT3145 250 2.2 66
Show 21505+2756 AZC 116 353 20.9 72
Show 21503+2754 MLB 576 267 13.1 73
Show 21524+2823 NSN 67 285 5.1 73
Show 21418+2901 MLB 492 114 7.0 74
Show 21477+2740 CVR 922 225 9.9 75
Show 21420+2924 MLB 539 171 4.8 77
Show 21416+2911 GRV 493 184 44.7 78
Show 21439+2751 HO 166 233 0.2 80
Show 21430+2951 KPP 498 58 3.9 81
Show 21538+2856 MLB 495 134 4.8 82
Show 21423+2800 GRV 494 323 62.9 87
Show 21410+2920 STT 448 31 0.1 88
Show 21540+2852 GRV 519 318 22.1 88
Show 21530+2939 BRT 59 355 4.4 88
Show 21420+2951 MLB 720 140 7.2 91
Show 21521+2748 HO 171 342 0.8 92
Show 21539+2821 WSI 8 142 0.1 93
Show 21451+3026 TDT3136 0.8 96

 
 
WDS 21474+2855 : COMPONENTS
 
 
  A
B pa=148.8°
sep=7.26"
 
 
21474+2855 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 214724.31+285454.2 Mag 11.1 Spectral class K0 (yellow-orange)
PmRA 0.00 PmDE -4.0
 
 
21474+2855 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214724.60+285448.0 Mag 11.9 PmRA 4.00
PmDE 24.0 Calc delta mag 0.8 Calc coord yes