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Doubles in session


Current system
20580+3918
BKO 476 BD


Nearby doubles
6' : 20578+3923
BKO 475

8' : 20587+3922
BKO 478

9' : 20577+3926
SEI1334

11' : 20572+3920
BKO 474

12' : 20571+3920
BKO 473

14' : 20569+3922
SEI1326

16' : 20583+3904
SEI1340

16' : 20593+3924
TOB 207

16' : 20593+3925
SEI1353

17' : 20589+3931
SEI1348

18' : 20595+3923
SEI1357

18' : 20591+3932
TOB 205

23' : 20566+3932
SEI1325

24' : 20586+3856
SEI1341

24' : 20587+3942
BKO 477

25' : 20559+3921
MLB 958

26' : 20559+3922
MLB 957

27' : 20566+3858
A 1436

27' : 20592+3941
SEI1351AB

27' : 20577+3943
COU2429

29' : 20591+3944
BKO 480

29' : 20590+3945
SEI1349

30' : 20556+3912
SEI1319

30' : 20558+3905
MLB 956

30' : 20562+3900
ES 2055

30' : 20577+3849
SEI1332



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.

20580+3918 BKO 476 BD

 
 
20h 58m 04.84s +39° 18' 29.6" P.A. 246.00 sep 6.0 mag 13.20,14.00
 
 
Coord 2000 20580+3918 Discov num BKO 476 Comp BD Coord arcsec 2000 20 58 04.84 +39 18 29.6
Date first 2000 Date last 2015 Obs 8
Pa first 245 Pa last 245.5 P.A. Now (θ) 245.5°
Sep first 6.0 Sep last 5.981 Sep. Now (ρ) 5.981"
Mag pri 13.20 Mag sec 14.00 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -017 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20580+3918 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 58 06 +39 18 28 ES 1985 AB 2015 11 276 8.4 10.91 13.20 2.29
Show 20 58 06 +39 18 28 SEI 1338 AC 2015 14 277 32.7 10.91 10.75 0.16
Show 20 58 05 +39 18 30 BKO 476 BD 2015 8 246 6.0 13.20 14.00 0.80 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 1873011254696394752
 
 
WDS 20580+3918 BKO 476 BD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bko2002 C - Ladanyi, T. & Berko, E. ...................
Bko2002 Webb Soc., Double Star Circ. 10, 2002
Bko2003 C u Ladanyi, T., Berko, E. & Vaskuti, G ...................
Bko2003 Webb Soc., Double Star Circ. 11, 2003
Bko2004 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2004 Webb Soc., Double Star Circ. 12, 2004
Bko2005 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2005 Webb Soc., Double Star Circ. 13, 2005
Bko2008 C u Berko, E. & Vaskuti, G. ...................
Bko2008 Webb Soc., Double Star Circ. 16, 2008
Bko2008b C u Berko, E. 2008JDSO....4..144B
Bko2008b JDSO 4, 144, 2008
Bko2009 C u Berko, E. 2009JDSO....5...49B
Bko2009 JDSO 5, 49, 2009
Bko2009b C u Berko, E. 2009JDSO....5..168B
Bko2009b JDSO 5, 168, 2009
Bko2009c C u Berko, E. ...................
Bko2009c Webb Soc., Double Star Circ. 17, 2009
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
Bko2010a C u Berko, E. 2010JDSO....6...21B
Bko2010a JDSO 6, 21, 2010
Bko2010b C u Berko, E. ...................
Bko2010b Webb Soc., Double Star Circ. 18, 2010
Bko2011a C u Berko, E. 2011JDSO....7....2B
Bko2011a JDSO 7, 2, 2011
Bko2011b C u Berko, E. ...................
Bko2011b Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012 C u Berko, E. ...................
Bko2012 Webb Soc., Double Star Circ. 20, 2012
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)
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20580+3918 BKO 476 BD 2008 1 246 6.1 13.20 14.00 205804.84+391829.6
20580+3918 BKO 476 BD 2015 4 246 6.0 13.20 14.00 205804.84+391829.6

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

 
 
WDS 20580+3918 BKO 476 BD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20580+3918 BKO 476 BD : MEASURES
 
 
No records found.

 
 
WDS 20580+3918 : VIRTUAL EYEPIECE
 
 

20580+3918 ES 1985A mag 10.91 20580+3918 BKO 476B sep 8.0 P.A. 278.60 mag 13.2 20580+3918 SEI1338C sep 25.4 P.A. 279.30 mag 10.75 20580+3918 BKO 476D sep 12.2 P.A. 264.00 mag 14 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 20580+3918 : ALADIN DSS IMAGE @ 20h 58m 04.84s +39° 18' 29.6"
 
 
 
 
WDS 20580+3918 BKO 476 BD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20580+3918 BKO 476BD distance=0' 20580+3918 ES 1985AB distance=1' 20580+3918 SEI1338AC distance=1' 20578+3923 BKO 475 distance=6' 20587+3922 BKO 478 distance=8' 20577+3926 SEI1334 distance=9' 20572+3920 BKO 474 distance=11' 20571+3920 BKO 473 distance=12' 20569+3922 SEI1326 distance=14' 20583+3904 SEI1340 distance=16' 20593+3924 TOB 207 distance=16' 20593+3925 SEI1353 distance=16' 20589+3931 SEI1348 distance=17' 20595+3923 SEI1357 distance=18' 20591+3932 TOB 205 distance=18' 20566+3932 SEI1325 distance=23' 20586+3856 SEI1341 distance=24' 20587+3942 BKO 477 distance=24' 20559+3921 MLB 958 distance=25' 20559+3922 MLB 957 distance=26' 20566+3858 A 1436 distance=27' 20592+3941 SEI1351AB distance=27' 20592+3941 TOB 206AC distance=27' 20577+3943 COU2429 distance=27' 20591+3944 BKO 480 distance=29' 20590+3945 SEI1349 distance=29' 20556+3912 SEI1319 distance=30' 20558+3905 MLB 956 distance=30' 20562+3900 ES 2055 distance=30' 20577+3849 SEI1332 distance=30' 20556+3911 MLB 784 distance=30' 20592+3946 BKO 481 distance=31' 20555+3909 MLB 887 distance=32' 20577+3848 ES 2056 distance=32' 20554+3910 ES 1984 distance=32' 20555+3932 BKO 472 distance=34' 20556+3901 HJ 1596 distance=34' 20591+3950 BKO 479 distance=34' 20552+3915 MLB 782AB distance=34' 20552+3915 SEI1313AC distance=34' 20577+3845 DAM 222 distance=34' 20554+3907 TDT2629 distance=34' 20550+3914 ES 1983 distance=37' 20550+3929 SEI1311 distance=37' 20556+3856 MLB 785 distance=37' 20555+3940 MLB 783 distance=37' 21009+3900 SEI1365 distance=37' 20549+3913 MLB 781 distance=38' 21008+3940 SEI1364 distance=38' 20570+3842 SEI1327 distance=39' 20549+3933 BKO 471 distance=40' 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 20580+3918 BKO 476 BD 246 6.0
Show 20580+3918 ES 1985 AB 276 8.4 1
Show 20580+3918 SEI1338 AC 277 32.7 1
Show 20578+3923 BKO 475 265 5.5 6
Show 20587+3922 BKO 478 75 7.9 8
Show 20577+3926 SEI1334 106 16.9 9
Show 20572+3920 BKO 474 24 3.3 11
Show 20571+3920 BKO 473 34 5.4 12
Show 20569+3922 SEI1326 14 26.6 14
Show 20583+3904 SEI1340 199 10.2 16
Show 20593+3924 TOB 207 228 22.0 16
Show 20593+3925 SEI1353 113 17.5 16
Show 20589+3931 SEI1348 295 26.4 17
Show 20595+3923 SEI1357 93 14.4 18
Show 20591+3932 TOB 205 203 14.5 18
Show 20566+3932 SEI1325 140 27.8 23
Show 20586+3856 SEI1341 209 29.5 24
Show 20587+3942 BKO 477 8 7.6 24
Show 20559+3921 MLB 958 169 5.3 25
Show 20559+3922 MLB 957 134 2.8 26
Show 20566+3858 A 1436 52 0.6 27
Show 20592+3941 SEI1351 AB 256 17.5 27
Show 20592+3941 TOB 206 AC 71 38.4 27
Show 20577+3943 COU2429 209 0.8 27
Show 20591+3944 BKO 480 236 11.1 29
Show 20590+3945 SEI1349 160 27.9 29
Show 20556+3912 SEI1319 70 32.1 30
Show 20558+3905 MLB 956 115 5.0 30
Show 20562+3900 ES 2055 293 7.6 30
Show 20577+3849 SEI1332 64 9.1 30
Show 20556+3911 MLB 784 25 4.6 30
Show 20592+3946 BKO 481 204 11.5 31
Show 20555+3909 MLB 887 246 10.4 32
Show 20577+3848 ES 2056 76 2.6 32
Show 20554+3910 ES 1984 115 3.5 32
Show 20555+3932 BKO 472 67 5.7 34
Show 20556+3901 HJ 1596 295 18.2 34
Show 20591+3950 BKO 479 9 12.4 34
Show 20552+3915 MLB 782 AB 344 10.3 34
Show 20552+3915 SEI1313 AC 260 26.9 34
Show 20577+3845 DAM 222 290 6.3 34
Show 20554+3907 TDT2629 163 2.5 34
Show 20550+3914 ES 1983 266 6.1 37
Show 20550+3929 SEI1311 247 8.8 37
Show 20556+3856 MLB 785 5 6.4 37
Show 20555+3940 MLB 783 288 5.6 37
Show 21009+3900 SEI1365 263 18.4 37
Show 20549+3913 MLB 781 296 8.6 38
Show 21008+3940 SEI1364 114 12.1 38
Show 20570+3842 SEI1327 89 4.6 39
Show 20549+3933 BKO 471 171 5.5 40

 
 
WDS 20580+3918 : COMPONENTS
 
 
  A B C
B pa=278.6°
sep=7.98"
 
C pa=279.3°
sep=25.44"
pa=279.6°
sep=17.46"
 
D pa=264.0°
sep=12.17"
pa=239.5°
sep=4.89"
pa=112.5°
sep=14.07"
 
 
20580+3918 A
 
 
Coord arcsec 2000 205805.52+391828.4 Mag 10.91 PmRA 14.00 PmDE 1.0
Tycho2 3167-02001-1 ADS 14488 DM BD+38 4300
Tycho2
Tycho2 3167-02001-1 Pflag RAmdeg 314.52303814 DEmdeg 39.30790251
PmRA 12.5 PmDE 3.5 E RAmdeg 43 E DEmdeg 29
E pmRA 1.8 E pmDE 1.8 EpRAm 1984.67 EpDEm 1985.58
Num 6 Q RAmdeg 0.9 Q DEmdeg 1.1 Q pmRA 0.9
Q pmDE 1.1 BTmag 12.061 E BTmag 0.103 VTmag 10.911
E VTmag 0.056 Prox 325 TYC T HIP
CCDM RAdeg 314.52300222 DEdeg 39.30788722 EpRA 1990 1.62
EpDE 1990 1.75 E RAdeg 44.9 E DEdeg 39.3 Posflg
Corr 0.2
 
 
20580+3918 B
 
 
Coord arcsec 2000 205804.84+391829.6 Coord calc 205804.84+391829.6 Mag 13.2 PmRA -17.00
PmDE -16.0 Calc delta mag 2.29
 
 
20580+3918 C
 
 
Coord arcsec 2000 205803.36+391832.5 Mag 10.75 PmRA 3.00 PmDE -2.0
Tycho2 3167-02151-1 Calc delta mag 0.16 Calc coord yes
Tycho2
Tycho2 3167-02151-1 Pflag RAmdeg 314.51142613 DEmdeg 39.30905463
PmRA 2.7 PmDE -0.9 E RAmdeg 28 E DEmdeg 26
E pmRA 1.7 E pmDE 1.6 EpRAm 1985.78 EpDEm 1986.43
Num 6 Q RAmdeg 1.6 Q DEmdeg 1.3 Q pmRA 1.6
Q pmDE 1.4 BTmag 11.467 E BTmag 0.057 VTmag 10.750
E VTmag 0.050 Prox 325 TYC T HIP
CCDM RAdeg 314.51142694 DEdeg 39.30905583 EpRA 1990 1.62
EpDE 1990 1.73 E RAdeg 35.8 E DEdeg 31.5 Posflg
Corr 0.2
 
 
20580+3918 D
 
 
Coord arcsec 2000 205804.48+391827.1 Mag 14 Calc delta mag 3.09 Calc coord yes