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Current system
20326+4635
ES 664


Nearby doubles
4' : 20329+4636
KRV 41

10' : 20325+4644
GII 101

14' : 20328+4646
POP 156

15' : 20322+4648
A 736AB

16' : 20339+4642
BU 1489AB

24' : 20304+4634
ES 663

29' : 20349+4651
STTA208AB

29' : 20335+4702
BKO 155

30' : 20335+4703
A 738AB

32' : 20352+4651
MZA 30AB

32' : 20353+4650
MZA 37AB

45' : 20336+4719
ES 665

48' : 20300+4556
LSC 91

53' : 20360+4555
STJ 103

55' : 20317+4540
HJ 1533

57' : 20338+4540
A 740

59' : 20269+4636
KPP4199

63' : 20291+4544
BU 1135

64' : 20269+4611
BRT2263

65' : 20388+4629
BRT2268

66' : 20379+4710
TDT2436

68' : 20348+4531
ES 805

74' : 20287+4737
GRF 17

75' : 20274+4727
A 732

77' : 20343+4520
ES 804AB

78' : 20334+4752
J 4



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20326+4635 ES 664

 
 
20h 32m 36.66s +46° 34' 50.2" P.A. 55.00 sep 9.0 mag 9.68,13.60 Sp F2
 
 
Coord 2000 20326+4635 Discov num ES  664 Comp Coord arcsec 2000 20 32 36.66 +46 34 50.2
Date first 1908 Date last 2015 Obs 9
Pa first 66 Pa last 55.2 P.A. Now (θ) 55.2°
Sep first 5.2 Sep last 8.959 Sep. Now (ρ) 8.959"
Mag pri 9.68 Mag sec 13.60 delta mag (ΔM) 3.92 Spectral class F2 (yellow-white)
Pri motion ra -021 Sec motion ra
Pri motion dec -028 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 49768 Gaia DR2 2071432391519604864
 
 
WDS 20326+4635 ES 664 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20326+4635 ES 664 1908 1 66 5.2 9.68 13.60 F2 +46 2965 203236.66+463450.2
20326+4635 ES 664 2011 2 55 8.8 9.68 13.60 F2 +46 2965 203236.66+463450.2
20326+4635 ES 664 2015 5 55 9.1 9.68 13.60 F2 +46 2965 203236.66+463450.2

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

 
 
WDS 20326+4635 ES 664 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20326+4635 ES 664 : MEASURES
 
 
No records found.

 
 
WDS 20326+4635 : VIRTUAL EYEPIECE
 
 

20326+4635 ES 664A mag 9.68 Sp F2 20326+4635 ES 664B sep 9.0 P.A. 55.20 mag 13.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20326+4635 : ALADIN DSS IMAGE @ 20h 32m 36.66s +46° 34' 50.2"
 
 
 
 
WDS 20326+4635 ES 664 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20326+4635 ES 664 distance=0' 20329+4636 KRV 41 distance=4' 20325+4644 GII 101 distance=10' 20328+4646 POP 156 distance=14' 20322+4648 A 736AB distance=15' 20322+4648 DAM 636AC distance=15' 20339+4642 HDS2940Aa,Ab distance=16' 20339+4642 BU 1489AB distance=16' 20304+4634 ES 663 distance=24' 20349+4651 STTA208AB distance=29' 20349+4651 BKO 156AC distance=29' 20335+4702 BKO 155 distance=29' 20335+4703 HJ 1541BC distance=30' 20335+4703 A 738AB distance=30' 20335+4703 HJ 1541AC distance=30' 20335+4703 SS 9AD distance=30' 20335+4703 SS 9AE distance=30' 20335+4703 SS 9AF distance=30' 20335+4703 SS 9AG distance=30' 20335+4703 SS 9AH distance=30' 20352+4651 MZA 30AB distance=32' 20352+4651 MZA 30AC distance=32' 20352+4651 MZA 30AD distance=32' 20352+4651 MZA 30AE distance=32' 20352+4651 MZA 30AF distance=32' 20353+4650 MZA 37AB distance=32' 20353+4650 MZA 37AC distance=32' 20336+4719 ES 665 distance=45' 20300+4556 LSC 91 distance=48' 20360+4555 STJ 103 distance=53' 20317+4540 HJ 1533 distance=55' 20338+4540 A 740 distance=57' 20269+4636 KPP4199 distance=59' 20291+4544 BU 1135 distance=63' 20269+4611 BRT2263 distance=64' 20388+4629 BRT2268 distance=65' 20379+4710 TDT2436 distance=66' 20348+4531 ES 805 distance=68' 20287+4737 GRF 17 distance=74' 20274+4727 A 732 distance=75' 20343+4520 ES 804AB distance=77' 20343+4520 ES 804BC distance=77' 20334+4752 J 4 distance=78' 20361+4745 HJ 1549 distance=79' 20266+4724 HDS2924 distance=79' 20270+4539 HJ 1518 distance=82' 20261+4725 TDT2268 distance=84' 20244+4641 TDT2242 distance=86' 20295+4516 ES 662 distance=86' 20397+4721 A 748AB distance=87' 20397+4721 A 748Aa,Ab distance=87' 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 20326+4635 ES 664 55 9.0 0
Show 20329+4636 KRV 41 172 19.6 4
Show 20325+4644 GII 101 289 0.4 10
Show 20328+4646 POP 156 4 3.2 14
Show 20322+4648 A 736 AB 350 0.6 15
Show 20322+4648 DAM 636 AC 106 17.0 15
Show 20339+4642 HDS2940 Aa,Ab 46 0.3 16
Show 20339+4642 BU 1489 AB 16 116.5 16
Show 20304+4634 ES 663 110 5.0 24
Show 20349+4651 STTA208 AB 241 83.5 29
Show 20349+4651 BKO 156 AC 98 45.9 29
Show 20335+4702 BKO 155 310 8.2 29
Show 20335+4703 HJ 1541 BC 276 4.0 30
Show 20335+4703 A 738 AB 248 2.5 30
Show 20335+4703 HJ 1541 AC 265 6.3 30
Show 20335+4703 SS 9 AD 198 18.0 30
Show 20335+4703 SS 9 AE 54 20.7 30
Show 20335+4703 SS 9 AF 117 26.0 30
Show 20335+4703 SS 9 AG 176 27.6 30
Show 20335+4703 SS 9 AH 15 29.2 30
Show 20352+4651 MZA 30 AB 140 22.5 32
Show 20352+4651 MZA 30 AC 115 14.2 32
Show 20352+4651 MZA 30 AD 132 23.8 32
Show 20352+4651 MZA 30 AE 123 17.4 32
Show 20352+4651 MZA 30 AF 106 12.3 32
Show 20353+4650 MZA 37 AB 319 6.1 32
Show 20353+4650 MZA 37 AC 319 11.1 32
Show 20336+4719 ES 665 129 5.7 45
Show 20300+4556 LSC 91 19 0.3 48
Show 20360+4555 STJ 103 338 1.3 53
Show 20317+4540 HJ 1533 187 10.9 55
Show 20338+4540 A 740 313 0.8 57
Show 20269+4636 KPP4199 284 1.5 59
Show 20291+4544 BU 1135 335 1.5 63
Show 20269+4611 BRT2263 34 4.1 64
Show 20388+4629 BRT2268 320 3.4 65
Show 20379+4710 TDT2436 82 0.6 66
Show 20348+4531 ES 805 152 7.9 68
Show 20287+4737 GRF 17 102 160.1 74
Show 20274+4727 A 732 78 0.7 75
Show 20343+4520 ES 804 AB 117 30.8 77
Show 20343+4520 ES 804 BC 128 2.2 77
Show 20334+4752 J 4 1 2.6 78
Show 20361+4745 HJ 1549 55 5.5 79
Show 20266+4724 HDS2924 209 1.5 79
Show 20270+4539 HJ 1518 86 15.3 82
Show 20261+4725 TDT2268 50 0.7 84
Show 20244+4641 TDT2242 343 0.7 86
Show 20295+4516 ES 662 142 5.7 86
Show 20397+4721 A 748 AB 28 1.4 87
Show 20397+4721 A 748 Aa,Ab 43 0.2 87

 
 
WDS 20326+4635 : COMPONENTS
 
 
  A
B pa=55.2°
sep=8.96"
 
 
20326+4635 A
 
 
Coord arcsec 2000 203236.66+463450.2 Mag 9.68 Spectral class F2 (yellow-white) PmRA -21.00
PmDE -28.0 SAO 49768 DM BD+46 2965
SAO
SAO 49768 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.037 Vmag 9.1 SpType
Double code Source 3 CatNum 1652 DM BD+46 2965
DMcomp BDsup HD M HD
GC RA1950rad 5.37114306 DE1950rad 0.81000407 PmRA2000 -0.0002
PmDE2000 -0.04
CCDM
Ccdm 20326+4635 RComp Comp A Note1
Note2 Discov num DRAs 0.62 DDEs -9.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp F2 PmNote *
PmRA -19 PmDE -25 Dm number +46 2965 Cat1 BD
Name2 +46 1652 Cat2 AGK2/3 HD M HD
ADS BDS A13994 M ADS BDS N IDS IDS 20294N4614A
HIC
 
 
20326+4635 B
 
 
Coord arcsec 2000 203237.37+463455.3 Mag 13.6 Delta magnitude 3.92 Coordinate calculated yes
CCDM
Ccdm 20326+4635 RComp Comp B Note1
Note2 Discov num ES 664 DRAs DDEs
R dRAs Year 1908 Theta 066 Rho 5.2
Obs 1 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13994 M ADS BDS N IDS IDS 20294N4614B
HIC