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Doubles in session


Current system
20587+3644
ES 251


Nearby doubles
10' : 20595+3646
SEI1354

10' : 20594+3637
SEI1352

11' : 20594+3651
TDT2678

11' : 20579+3641
SEI1335

12' : 20590+3655
SEI1347

13' : 20587+3657
COU2296

16' : 20575+3643
SEI1329

19' : 21000+3655
SEI1360AB

20' : 20594+3626
HU 764

22' : 20573+3632
SEI1328

22' : 20596+3703
HJ 1601

22' : 21002+3658
HO 147AB

23' : 21001+3627
J 1219

24' : 20582+3706
TOB 204AB

25' : 20577+3623
SEI1330

27' : 21010+3647
SEI1367

30' : 21002+3620
TDT2689

31' : 20577+3711
SEI1331

32' : 20580+3713
J 1076

32' : 20582+3715
DAM 223

32' : 20563+3634
SEI1324

33' : 20584+3612
POP 82

33' : 20561+3649
SEI1321

34' : 20560+3643
SEI1320

35' : 20592+3718
ALI 434

35' : 20599+3612
SEI1359



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.

20587+3644 ES 251

 
 
20h 58m 48.63s +36° 44' 03.4" P.A. 141.00 sep 6.6 mag 10.01,11.02
 
 
Coord 2000 20587+3644 Discov num ES  251 Comp Coord arcsec 2000 20 58 48.63 +36 44 03.4
Date first 1896 Date last 2015 Obs 15
Pa first 141 Pa last 141.3 P.A. Now (θ) 141.3°
Sep first 6.8 Sep last 6.626 Sep. Now (ρ) 6.626"
Mag pri 10.01 Mag sec 11.02 delta mag (ΔM) 1.01 Spectral class
Pri motion ra +001 Sec motion ra +003
Pri motion dec -002 Sec motion dec +000
Notes
rPM=0.943
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2700-03559-1 Gaia DR2 1871350000009262592 ADS 14501
 
 
WDS 20587+3644 ES 251 : 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Es_1904a MNRAS 64, 238, 1904 (data superceded by MNRAS 65, 710, 1905) 1905MNRAS..65..710E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
20587+3644 ES 251 1998 9 142 6.6 10.01 11.02 D 205848.63+364403.4
20587+3644 ES 251 2002 10 141 6.6 10.01 11.02 D 205848.63+364403.4
20587+3644 ES 251 2010 11 143 6.7 10.01 11.02 205848.63+364403.4
20587+3644 ES 251 2015 12 141 6.6 10.01 11.02 205848.63+364403.4

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

 
 
WDS 20587+3644 ES 251 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20587+3644 ES 251 : MEASURES
 
 
No records found.

 
 
WDS 20587+3644 : VIRTUAL EYEPIECE
 
 

20587+3644 ES 251A mag 10.01 20587+3644 ES 251B sep 6.2 P.A. 147.30 mag 11.02 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 20587+3644 : ALADIN DSS IMAGE @ 20h 58m 48.63s +36° 44' 03.4"
 
 
 
 
WDS 20587+3644 ES 251 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20587+3644 ES 251 distance=0' 20595+3646 SEI1354 distance=10' 20594+3637 SEI1352 distance=10' 20594+3651 TDT2678 distance=11' 20579+3641 SEI1335 distance=11' 20590+3655 SEI1347 distance=12' 20587+3657 COU2296 distance=13' 20575+3643 SEI1329 distance=16' 21000+3655 SEI1360AB distance=19' 21000+3655 TOB 208AC distance=19' 20594+3626 HU 764 distance=20' 20573+3632 SEI1328 distance=22' 20596+3703 HJ 1601 distance=22' 21002+3658 HO 147AB distance=22' 21002+3658 HO 147AC distance=22' 21001+3627 J 1219 distance=23' 20582+3706 TOB 204AB distance=24' 20582+3706 SEI1339CD distance=24' 20577+3623 SEI1330 distance=25' 21010+3647 SEI1367 distance=27' 21002+3620 TDT2689 distance=30' 20577+3711 SEI1331 distance=31' 20580+3713 J 1076 distance=32' 20582+3715 DAM 223 distance=32' 20563+3634 SEI1324 distance=32' 20584+3612 POP 82 distance=33' 20561+3649 SEI1321 distance=33' 20560+3643 SEI1320 distance=34' 20592+3718 ALI 434 distance=35' 20599+3612 SEI1359 distance=35' 20575+3717 DAM 221 distance=37' 21018+3630 SEI1372 distance=39' 21013+3709 TDT2697 distance=39' 20590+3723 SEI1346 distance=40' 21001+3608 TDT2687 distance=40' 20587+3725 SEI1343 distance=41' 20562+3616 TOB 202 distance=42' 20562+3614 SEI1323 distance=43' 20596+3558 SEI1355 distance=47' 20554+3708 SEI1314 distance=48' 20593+3554 SEI1350 distance=51' 21012+3602 CLP 1BC distance=52' 21012+3602 CLP 1AB distance=52' 20544+3648 SEI1306 distance=53' 21032+3645 SEI1380AB distance=53' 21032+3645 WAL 134AC distance=53' 20549+3709 COU2295 distance=54' 20547+3704 STT 419 distance=54' 21014+3727 ES 2197 distance=54' 20565+3731 TDT2648 distance=55' 20544+3658 TDT2623 distance=56' 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 20587+3644 ES 251 141 6.6
Show 20595+3646 SEI1354 325 26.4 10
Show 20594+3637 SEI1352 354 14.6 10
Show 20594+3651 TDT2678 246 0.5 11
Show 20579+3641 SEI1335 28 18.2 11
Show 20590+3655 SEI1347 125 18.6 12
Show 20587+3657 COU2296 103 1.0 13
Show 20575+3643 SEI1329 30 24.7 16
Show 21000+3655 SEI1360 AB 45 22.2 19
Show 21000+3655 TOB 208 AC 232 31.7 19
Show 20594+3626 HU 764 190 0.4 20
Show 20573+3632 SEI1328 234 7.9 22
Show 20596+3703 HJ 1601 141 6.5 22
Show 21002+3658 HO 147 AB 351 7.8 22
Show 21002+3658 HO 147 AC 248 26.2 22
Show 21001+3627 J 1219 171 3.6 23
Show 20582+3706 TOB 204 AB 91 9.9 24
Show 20582+3706 SEI1339 CD 259 12.4 24
Show 20577+3623 SEI1330 51 14.2 25
Show 21010+3647 SEI1367 247 20.6 27
Show 21002+3620 TDT2689 244 2.3 30
Show 20577+3711 SEI1331 49 26.6 31
Show 20580+3713 J 1076 78 1.7 32
Show 20582+3715 DAM 223 35 4.8 32
Show 20563+3634 SEI1324 92 19.3 32
Show 20584+3612 POP 82 25 5.5 33
Show 20561+3649 SEI1321 96 22.7 33
Show 20560+3643 SEI1320 64 13.9 34
Show 20592+3718 ALI 434 292 44.7 35
Show 20599+3612 SEI1359 108 16.5 35
Show 20575+3717 DAM 221 59 5.9 37
Show 21018+3630 SEI1372 181 24.8 39
Show 21013+3709 TDT2697 129 2.5 39
Show 20590+3723 SEI1346 329 6.5 40
Show 21001+3608 TDT2687 356 1.5 40
Show 20587+3725 SEI1343 315 37.5 41
Show 20562+3616 TOB 202 179 18.1 42
Show 20562+3614 SEI1323 169 21.2 43
Show 20596+3558 SEI1355 344 4.2 47
Show 20554+3708 SEI1314 178 18.4 48
Show 20593+3554 SEI1350 48 28.1 51
Show 21012+3602 CLP 1 BC 150 267.2 52
Show 21012+3602 CLP 1 AB 39 74.3 52
Show 20544+3648 SEI1306 306 17.1 53
Show 21032+3645 SEI1380 AB 259 13.2 53
Show 21032+3645 WAL 134 AC 285 35.8 53
Show 20549+3709 COU2295 180 0.4 54
Show 20547+3704 STT 419 24 1.7 54
Show 21014+3727 ES 2197 83 3.9 54
Show 20565+3731 TDT2648 234 0.7 55
Show 20544+3658 TDT2623 36 1.0 56

 
 
WDS 20587+3644 : COMPONENTS
 
 
  A
B pa=147.3°
sep=6.15"
 
 
20587+3644 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205848.63+364403.4 Mag 10.01 PmRA 1.00
PmDE -2.0 Tycho2 2700-03559-1 ADS 14501 DM BD+36 4352
Tycho2
Tycho2 2700-03559-1 Pflag RAmdeg 314.70261611 DEmdeg 36.73426645
PmRA 1.1 PmDE -3.3 E RAmdeg 16 E DEmdeg 15
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.27 EpDEm 1989.49
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 10.094 E BTmag 0.025 VTmag 10.014
E VTmag 0.029 Prox 68 TYC T HIP
CCDM RAdeg 314.70261306 DEdeg 36.73427417 EpRA 1990 1.75
EpDE 1990 1.73 E RAdeg 16.0 E DEdeg 15.2 Posflg
Corr 0.1
 
 
20587+3644 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205848.91+364358.2 Mag 11.02 PmRA 3.00
PmDE 0.0 Calc delta mag 1.01 Calc coord yes