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Doubles in session


Current system
20539+4632
ES 673


Nearby doubles
18' : 20547+4614
YSC 163

25' : 20531+4615
HJ 1591

26' : 20527+4607
A 750

28' : 20562+4615
A 753AB

30' : 20522+4653
BRT2278

33' : 20508+4628
BRT2276AB

34' : 20571+4632
TDT2653

40' : 20501+4635
ES 671

41' : 20528+4551
COU2647

43' : 20499+4640
BU 250

44' : 20571+4658
TDS1108

45' : 20527+4547
TDT2597

48' : 20585+4626
TDT2667

50' : 20494+4613
ES 670

51' : 20566+4712
HDS2982

55' : 20555+4722
TOB 201AB

56' : 20555+4723
ES 95AB

56' : 20558+4722
TOB 200

57' : 20517+4721
TDT2584

57' : 20489+4607
HJ 1581

57' : 20519+4537
SMA 122

64' : 20597+4658
ES 1166

64' : 20482+4653
ES 669

64' : 20546+4732
HJ 1594

67' : 20535+4523
HDS2975

71' : 20579+4532
ES 677



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.

20539+4632 ES 673

 
 
20h 53m 55.96s +46° 29' 37.6" P.A. 76.00 sep 5.2 mag 9.50,9.70
 
 
Coord 2000 20539+4632 Discov num ES  673 Comp Coord arcsec 2000 20 53 55.96 +46 29 37.6
Date first 1892 Date last 2018 Obs 11
Pa first 83 Pa last 75.7 P.A. Now (θ) 75.7°
Sep first 3.8 Sep last 5.202 Sep. Now (ρ) 5.202"
Mag pri 9.50 Mag sec 9.70 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -003 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2163415502767896320
 
 
WDS 20539+4632 ES 673 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20539+4632 ES 673 2003 6 76 5.1 9.50 9.70 D 205355.96+462937.6
20539+4632 ES 673 2015 8 76 5.2 9.50 9.70 205355.96+462937.6
20539+4632 ES 673 2018 9 76 5.2 9.50 9.70 205355.96+462937.6

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

 
 
WDS 20539+4632 ES 673 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20539+4632 ES 673 : MEASURES
 
 
No records found.

 
 
WDS 20539+4632 : VIRTUAL EYEPIECE
 
 

20539+4632 ES 673A mag 9.5 20539+4632 ES 673B sep 3.7 P.A. 69.70 mag 9.7 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 20539+4632 : ALADIN DSS IMAGE @ 20h 53m 55.96s +46° 29' 37.6"
 
 
 
 
WDS 20539+4632 ES 673 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20539+4632 ES 673 distance=0' 20547+4614 YSC 163 distance=18' 20531+4615 HJ 1591 distance=25' 20527+4607 A 750 distance=26' 20562+4615 A 753AB distance=28' 20562+4615 A 753AB,C distance=28' 20522+4653 BRT2278 distance=30' 20508+4628 BRT2276AB distance=33' 20508+4628 FYM 314AC distance=33' 20508+4628 FYM 314AD distance=33' 20571+4632 TDT2653 distance=34' 20501+4635 ES 671 distance=40' 20528+4551 COU2647 distance=41' 20499+4640 BU 250 distance=43' 20571+4658 TDS1108 distance=44' 20527+4547 TDT2597 distance=45' 20585+4626 TDT2667 distance=48' 20494+4613 ES 670 distance=50' 20566+4712 HDS2982 distance=51' 20555+4722 TOB 201CD distance=55' 20555+4722 TOB 201AB distance=55' 20555+4722 TOB 201AC distance=55' 20555+4722 TOB 201AD distance=55' 20555+4723 TDT2632Aa,Ab distance=56' 20555+4723 ES 95AB distance=56' 20555+4723 HJ 1597AC distance=56' 20558+4722 TOB 200 distance=56' 20517+4721 TDT2584 distance=57' 20489+4607 HJ 1581 distance=57' 20519+4537 SMA 122 distance=57' 20597+4658 ES 1166 distance=64' 20482+4653 ES 669 distance=64' 20546+4732 HJ 1594 distance=64' 20535+4523 HDS2975 distance=67' 20579+4532 ES 677 distance=71' 21008+4635 BU 156 distance=72' 20578+4530 ES 676 distance=72' 20502+4732 ES 672 distance=74' 20489+4537 HDS2965 distance=74' 20504+4525 LDS5912 distance=75' 20466+4632 KUI 101 distance=76' 20514+4519 ARG 40 distance=76' 21012+4609 STT 426AB distance=78' 21012+4609 CIA 21Aa,Ab distance=78' 20500+4521 ES 2702 distance=81' 20587+4734 A 757 distance=81' 20492+4525 COU2646 distance=82' 20542+4508 LDS5915 distance=82' 20541+4507 STT 422 distance=82' 20490+4525 SMA 120 distance=83' 20598+4731 MCA 65Aa,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 20539+4632 ES 673 76 5.2
Show 20547+4614 YSC 163 101 0.7 18
Show 20531+4615 HJ 1591 134 10.1 25
Show 20527+4607 A 750 211 0.1 26
Show 20562+4615 A 753 AB 256 1.0 28
Show 20562+4615 A 753 AB,C 263 9.3 28
Show 20522+4653 BRT2278 196 3.2 30
Show 20508+4628 BRT2276 AB 254 3.7 33
Show 20508+4628 FYM 314 AC 149 9.5 33
Show 20508+4628 FYM 314 AD 86 11.2 33
Show 20571+4632 TDT2653 301 2.3 34
Show 20501+4635 ES 671 91 1.6 40
Show 20528+4551 COU2647 225 0.4 41
Show 20499+4640 BU 250 7 18.3 43
Show 20571+4658 TDS1108 96 1.0 44
Show 20527+4547 TDT2597 327 1.3 45
Show 20585+4626 TDT2667 17 1.1 48
Show 20494+4613 ES 670 81 6.5 50
Show 20566+4712 HDS2982 161 0.1 51
Show 20555+4722 TOB 201 CD 71 10.3 55
Show 20555+4722 TOB 201 AB 82 20.0 55
Show 20555+4722 TOB 201 AC 146 13.4 55
Show 20555+4722 TOB 201 AD 114 18.9 55
Show 20555+4723 TDT2632 Aa,Ab 169 0.6 56
Show 20555+4723 ES 95 AB 268 6.5 56
Show 20555+4723 HJ 1597 AC 127 13.6 56
Show 20558+4722 TOB 200 91 11.5 56
Show 20517+4721 TDT2584 177 2.4 57
Show 20489+4607 HJ 1581 170 22.4 57
Show 20519+4537 SMA 122 262 7.4 57
Show 20597+4658 ES 1166 114 1.6 64
Show 20482+4653 ES 669 28 6.8 64
Show 20546+4732 HJ 1594 48 9.1 64
Show 20535+4523 HDS2975 191 0.2 67
Show 20579+4532 ES 677 160 5.8 71
Show 21008+4635 BU 156 235 0.9 72
Show 20578+4530 ES 676 293 7.6 72
Show 20502+4732 ES 672 166 4.6 74
Show 20489+4537 HDS2965 282 0.1 74
Show 20504+4525 LDS5912 252 17.4 75
Show 20466+4632 KUI 101 112 0.3 76
Show 20514+4519 ARG 40 250 9.2 76
Show 21012+4609 STT 426 AB 159 2.9 78
Show 21012+4609 CIA 21 Aa,Ab 30 0.0 78
Show 20500+4521 ES 2702 348 8.6 81
Show 20587+4734 A 757 103 4.1 81
Show 20492+4525 COU2646 266 0.4 82
Show 20542+4508 LDS5915 43 18.0 82
Show 20541+4507 STT 422 332 2.6 82
Show 20490+4525 SMA 120 313 4.3 83
Show 20598+4731 MCA 65 Aa,Ab 334 0.1 87

 
 
WDS 20539+4632 : COMPONENTS
 
 
  A
B pa=69.7°
sep=3.70"
 
 
20539+4632 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205355.96+462937.6 Mag 9.5 PmRA -3.00
PmDE -4.0
 
 
20539+4632 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205356.30+462938.9 Mag 9.7 Calc delta mag 0.2
Calc coord yes