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Doubles in session


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



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.

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 Tycho2 3573-01076-1 Gaia DR2 2071432391519604864
 
 
WDS 20326+4635 ES 664 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Es_1901 Mb - Espin, T.E. 1901AN....155..321E
Es_1901 AN 155, 321, 1901 (ES 1 - 39)
Es_1902a Ma - Espin, T.E. 1902AN....158..241E
Es_1902a +Mb AN 158, 241, 1902 (ES 40 - 112)
Es_1902b Mb - Espin, T.E. 1902MNRAS..62..528E
Es_1902b MNRAS 62, 528, 1902
Es_1902c Mb j Espin, T.E. 1902MNRAS..62..402E
Es_1902c MNRAS 62, 402, 1902
Es_1903 Mb - Espin, T.E. 1903MNRAS..63..172E
Es_1903 MNRAS 63, 172, 1903 (ES 113 - 150)
Es_1904a - Espin, T.E. 1904MNRAS..64..238E
Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E
Es_1904b Mb - Espin, T.E. 1904MNRAS..64..675E
Es_1904b MNRAS 64, 675, 1904
Es_1905 Mb - Espin, T.E. 1905MNRAS..65..710E
Es_1905 MNRAS 65, 710, 1905 (ES 151 - 221)
Es_1906a Mb - Espin, T.E. 1906MNRAS..66..141E
Es_1906a MNRAS 66, 141, 1906 (ES 222 - 269)
Es_1906b Mb - Espin, T.E. 1906MNRAS..66..430E
Es_1906b MNRAS 66, 430, 1906 (ES 270 - 311)
Es_1906C Mb - Espin, T.E. 1906QB821.B972.....
Es_1906C cited in BDS (Burnham Double Star Cat.), 1906
Es_1906D Mb - Espin, T.E. 1906MmRAS..56....1L
Es_1906D cited by Lewis (MemRAS 56, 1, 1906)
Es_1907a Mb j Espin, T.E. 1907MNRAS..67..190E
Es_1907a MNRAS 67, 190, 1907 (ES 312 - 403)
Es_1907b Mb - Espin, T.E. 1907MNRAS..67..495E
Es_1907b MNRAS 67, 495, 1907 (ES 404 - 442)
Es_1908a Mb j Espin, T.E. 1908MNRAS..68..202E
Es_1908a MNRAS 68, 202, 1908 (ES 443 - 551)
Es_1908b Mb - Espin, T.E. 1908MNRAS..68..523E
Es_1908b MNRAS 68, 523, 1908 (ES 552 - 609)
Es_1908c - Espin, T.E. 1908JRASC...2..248E
Es_1908c JRASC 2, 248, 1908 (data also in MNRAS 69, 218, 1909) 1909MNRAS..69..218E
Es_1909a Mb j Espin, T.E. 1909MNRAS..69..218E
Es_1909a MNRAS 69, 218, 1909 (ES 610 - 704)
Es_1909b Mb j Espin, T.E. 1909MNRAS..69..604E
Es_1909b MNRAS 69, 604, 1909 (ES 705 - 743)
Es_1910a Mb - Espin, T.E. 1910MNRAS..70..237E
Es_1910a MNRAS 70, 237, 1910 (ES 744 - 864)
Es_1910b Mb - Espin, T.E. 1910MNRAS..70..541E
Es_1910b MNRAS 70, 541, 1910 (ES 865 - 927)
Es_1911 Mb - Espin, T.E. 1911MNRAS..71..217E
Es_1911 MNRAS 71, 217, 1911 (ES 928 - 1051)
Es_1912 Mb - Espin, T.E. 1912MNRAS..72..191E
Es_1912 MNRAS 72, 191, 1912 (ES 1052 - 1125)
Es_1913 Mb j Espin, T.E. 1913MNRAS..73..162E
Es_1913 MNRAS 73, 162, 1913 (ES 1126 - 1191)
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
Es_1915a Mb - Espin, T.E. 1915MNRAS..75..203E
Es_1915a MNRAS 75, 203, 1915 (ES 1294 - 1356)
Es_1915b Mb - Espin, T.E. 1915MNRAS..75..555E
Es_1915b MNRAS 75, 555, 1915 (ES 1357 - 1405)
Es_1915c Mb - Espin, T.E. 1915MNRAS..76..210E
Es_1915c MNRAS 76, 210, 1915 (ES 1406 - 1479)
Es_1917 Mb - Espin, T.E. 1917MNRAS..77..236E
Es_1917 MNRAS 77, 236, 1917 (ES 1480 - 1600)
Es_1918 Mb j Espin, T.E. 1918MNRAS..78..189E
Es_1918 MNRAS 78, 189, 1918 (ES 1601 - 1705, MLB 1 - 35)
Es_1919 Mb - Espin, T.E. 1919MNRAS..79..211E
Es_1919 MNRAS 79, 211, 1919 (ES 1706 - 1768, MLB 36 - 106)
Es_1920 Mb - Espin, T.E. 1920MNRAS..80..329E
Es_1920 MNRAS 80, 329, 1920 (ES 1769 - 1805, MLB 107 - 149)
Es_1921 Mb j Espin, T.E. 1921MNRAS..81..232E
Es_1921 MNRAS 81, 232, 1921 (ES 1806 - 1864, MLB 150 - 182)
Es_1922 Mb - Espin, T.E. 1922MNRAS..82..187E
Es_1922 MNRAS 82, 187, 1922 (ES 1865 - 1933, MLB 183 - 241)
Es_1923 Mb - Espin, T.E. 1923MNRAS..83..154E
Es_1923 MNRAS 83, 154, 1923 (ES 1934 - 2006, MLB 242 - 275)
Es_1924 Mb - Espin, T.E. 1924MNRAS..84..162E
Es_1924 MNRAS 84, 162, 1924 (ES 2007 - 2078, MLB 276 - 322)
Es_1925a Mb - Espin, T.E. 1925MNRAS..85..276E
Es_1925a MNRAS 85, 276, 1925 (ES 2079 - 2137, MLB 323 - 376)
Es_1925b Mb - Espin, T.E. 1925MNRAS..86...79E
Es_1925b MNRAS 86, 79, 1925
Es_1926 Mb - Espin, T.E. 1926MNRAS..86..131E
Es_1926 MNRAS 86, 131, 1926 (ES 2138 - 2209, MLB 377 - 440)
Es_1927 Mb - Espin, T.E. 1927MNRAS..87..215E
Es_1927 MNRAS 87, 215, 1927 (ES 2210 - 2273, MLB 441 - 510)
Es_1928 Mb - Espin, T.E. 1928MNRAS..88..185E
Es_1928 MNRAS 88, 185, 1928 (ES 2274 - 2328, MLB 511 - 551)
Es_1929 Mb - Espin, T.E. 1929MNRAS..89..268E
Es_1929 MNRAS 89, 268, 1929 (ES 2329 - 2362, MLB 552 - 591)
Es_1930 Mb - Espin, T.E. 1930MNRAS..90..317E
Es_1930 MNRAS 90, 317, 1930 (ES 2363 - 2400, MLB 592 - 630)
Es_1931 Mb - Espin, T.E. 1931MNRAS..91..294E
Es_1931 MNRAS 91, 294, 1931 (ES 2401 - 2444, MLB 631 - 673)
Es_1932a Mb - Espin, T.E. 1932MNRAS..92..214E
Es_1932a MNRAS 92, 214, 1932 (ES 2445 - 2543, MLB 674 - 732)
Es_1932B Mb - Espin, T.E. 1932QB821.A43......
Es_1932B cited in ADS (Aitken Double Star Cat.), 1932
Es_1933 Mb - Espin, T.E. 1933MNRAS..93..192E
Es_1933 MNRAS 93, 192, 1933 (ES 2544 - 2575, MLB 733 - 806)
Es_1937A Mb - Espin, T.E. 1937AnLei..18....1S
Es_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20326+4635 ES 664 1908 1 66 5.2 9.68 13.60 F2 203236.66+463450.2
20326+4635 ES 664 2011 2 55 8.8 9.68 13.60 F2 203236.66+463450.2
20326+4635 ES 664 2015 5 55 9.1 9.68 13.60 F2 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 7.2 P.A. 44.70 mag 13.6 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 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 748 distance=87' 20341+4804 YSC 116 distance=91' 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
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 349 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 249 2.4 30
Show 20335+4703 HJ 1541 AC 266 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 27 1.4 87
Show 20341+4804 YSC 116 270 0.2 91

 
 
WDS 20326+4635 : COMPONENTS
 
 
  A
B pa=44.7°
sep=7.19"
 
 
20326+4635 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203236.66+463450.2 Mag 9.68 Spectral class F2 (yellow-white)
PmRA -21.00 PmDE -28.0 Tycho2 3573-01076-1
Tycho2
Tycho2 3573-01076-1 Pflag RAmdeg 308.15276642 DEmdeg 46.58063777
PmRA -19.4 PmDE -27.1 E RAmdeg 17 E DEmdeg 18
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.92 EpDEm 1989.86
Num 4 Q RAmdeg 1.6 Q DEmdeg 1.6 Q pmRA 1.6
Q pmDE 1.6 BTmag 10.185 E BTmag 0.029 VTmag 9.679
E VTmag 0.027 Prox 999 TYC T HIP
CCDM RAdeg 308.15283167 DEdeg 46.58069972 EpRA 1990 1.65
EpDE 1990 1.78 E RAdeg 17.0 E DEdeg 17.6 Posflg
Corr 0.1
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
 
 
Componente originario normalizzato AB Coord arcsec 2000 203237.15+463455.3 Mag 13.6 Calc delta mag 3.92
Calc coord 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