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Doubles in session


Current system
20316+4113
ES 1679 AB


Nearby doubles
5' : 20318+4117
CAN 33AB

6' : 20318+4118
CAN 4AB

9' : 20310+4110
CAN 19AB

9' : 20313+4121
MZA 39AB

10' : 20324+4118
HER 3AB

11' : 20325+4114
MZA 40AB

12' : 20307+4109
CAN 16

12' : 20327+4114
CAN 78AB

14' : 20305+4113
CAN 27AB

14' : 20328+4115
CNT 8

15' : 20316+4059
CAN 13AB

15' : 20323+4126
CAN 36AB

16' : 20318+4128
CAN 34AB

16' : 20322+4127
MZA 24AB

17' : 20325+4126
CAN 38AB

17' : 20330+4118
CAN 44AB

18' : 20328+4124
CAN 42AB

18' : 20331+4113
WSI 66AB

18' : 20326+4125
CAN 40AB

18' : 20332+4115
MZA 27AB

18' : 20328+4126
CAN 41AB

19' : 20332+4114
CAN 49AB

19' : 20332+4113
CAN 50AB

19' : 20325+4129
CAN 39AB

19' : 20314+4131
CAN 31AB

19' : 20324+4130
CAN 37AB



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.

20316+4113 ES 1679 AB

 
 
20h 31m 37.49s +41° 13' 20.9" P.A. 214.00 sep 4.0 mag 10.57,13.20 Sp O6IV+B0IV
 
 
Coord 2000 20316+4113 Discov num ES 1679 Comp AB Coord arcsec 2000 20 31 37.49 +41 13 20.9
Date first 1917 Date last 2015 Obs 9
Pa first 217 Pa last 214.4 P.A. Now (θ) 214.4°
Sep first 4.5 Sep last 3.977 Sep. Now (ρ) 3.977"
Mag pri 10.57 Mag sec 13.20 delta mag (ΔM) 2.63 Spectral class O6IV+B0IV (blue/blue-white)
Pri motion ra -008 Sec motion ra
Pri motion dec -018 Sec motion dec
Notes V (Proper motion indicates physical)
This double is physical.
 
 
20316+4113 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 37 +41 13 21 ES 1679 AB 2015 9 214 4.0 10.57 13.20 2.63 <===
Show 20 31 37 +41 13 21 CAN 75 AC 2005 2 166 8.2 5.70 12.70 7.00
Show 20 31 37 +41 13 21 CAN 75 AD 2015 7 269 11.8 5.70 12.40 6.70
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3157-00299-1
 
 
WDS 20316+4113 ES 1679 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
CaN2014 Hf j Caballero-Nieves, S.M., Nelan, E.P., Gies, D.R., Wallace, D.J., DeGioia-Eastwood, 2014AJ....147...40C
CaN2014 K., Herrero, A., Jao, W.-J., Mason, B.D., Massey, P., Moffat, A.F., & Walborn, N.
CaN2014 AJ 147, 40, 2014
CaN2020 A j Caballero-Nieves, S.M., Gies, D.R., Baines, E.K., Bouchez, A.H., Dekany, R.G., 2020AJ....160..115C
CaN2020 Goodwin, S.P., Rickman, E.L., Roberts, L.C., Jr., Taggart, K., ten Brummelaar,
CaN2020 T.A. & Turner, N.H.
CaN2020 AJ 160, 115, 2020
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
20316+4113 ES 1679 AB 2015 9 214 4.0 10.57 13.20 O6IV+B0IV V 203137.49+411320.9

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

 
 
WDS 20316+4113 ES 1679 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20316+4113 ES 1679 AB : MEASURES
 
 
No records found.

 
 
WDS 20316+4113 : VIRTUAL EYEPIECE
 
 

20316+4113 ES 1679A mag 10.57 Sp O6IV 20316+4113 ES 1679B sep 3.7 P.A. 207.20 mag 13.2 Sp B0IV 20316+4113 CAN 75C sep 8.1 P.A. 169.70 mag 12.7 20316+4113 CAN 75D sep 8.9 P.A. 268.00 mag 12.4 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 20316+4113 : ALADIN DSS IMAGE @ 20h 31m 37.49s +41° 13' 20.9"
 
 
 
 
WDS 20316+4113 ES 1679 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20316+4113 ES 1679AB distance=0' 20318+4117 CAN 33AB distance=5' 20318+4117 CAN 33AC distance=5' 20318+4117 CAN 33AD distance=5' 20318+4117 CAN 33AE distance=5' 20318+4117 CAN 33AF distance=5' 20318+4117 CAN 33AG distance=5' 20318+4117 CAN 33AH distance=5' 20318+4117 CAN 33AI distance=5' 20318+4118 CAN 4AB distance=6' 20318+4118 CAN 32AC distance=6' 20318+4118 CAN 32AD distance=6' 20318+4118 CAN 32AE distance=6' 20318+4118 CAN 32AF distance=6' 20318+4118 CAN 32AG distance=6' 20318+4118 CAN 32AH distance=6' 20310+4110 CAN 19Aa,Ab distance=9' 20310+4110 CAN 19AB distance=9' 20310+4110 CAN 19AC distance=9' 20310+4110 CAN 19AD distance=9' 20310+4110 CAN 19AE distance=9' 20310+4110 CAN 19AF distance=9' 20313+4121 MZA 39AB distance=9' 20313+4121 CAN 30AC distance=9' 20313+4121 CAN 30AD distance=9' 20313+4121 CAN 30AE distance=9' 20313+4121 CAN 30AF distance=9' 20313+4121 CAN 30AG distance=9' 20313+4121 CAN 30AH distance=9' 20313+4121 CAN 30AI distance=9' 20324+4118 HER 3AB distance=10' 20324+4118 MZA 25AC distance=10' 20324+4118 MZA 25AD distance=10' 20324+4118 CIA 33Aa,Ab distance=10' 20324+4118 CIA 33Aa,Ac distance=10' 20325+4114 CAN 11Aa,Ab distance=11' 20325+4114 MZA 40AB distance=11' 20325+4114 CAN 11AC distance=11' 20325+4114 CAN 11AD distance=11' 20325+4114 CAN 11AE distance=11' 20325+4114 CAN 11AF distance=11' 20307+4109 CAN 16 distance=12' 20327+4114 CAN 5Aa,Ab distance=12' 20327+4114 CAN 78AB distance=12' 20305+4113 CAN 27AB distance=14' 20305+4113 CAN 27AC distance=14' 20305+4113 CAN 27AD distance=14' 20305+4113 CAN 27AE distance=14' 20328+4115 CNT 8 distance=14' 20316+4059 CAN 13AB distance=15' 20316+4059 CAN 13AC distance=15' 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 20316+4113 ES 1679 AB 214 4.0
Show 20316+4113 CAN 75 AC 166 8.2
Show 20316+4113 CAN 75 AD 269 11.8
Show 20318+4117 CAN 33 AB 22 3.5 5
Show 20318+4117 CAN 33 AC 146 5.0 5
Show 20318+4117 CAN 33 AD 4 6.6 5
Show 20318+4117 CAN 33 AE 117 8.3 5
Show 20318+4117 CAN 33 AF 94 10.7 5
Show 20318+4117 CAN 33 AG 47 12.6 5
Show 20318+4117 CAN 33 AH 224 13.7 5
Show 20318+4117 CAN 33 AI 255 15.5 5
Show 20318+4118 CAN 4 AB 38 1.3 6
Show 20318+4118 CAN 32 AC 282 6.4 6
Show 20318+4118 CAN 32 AD 338 6.9 6
Show 20318+4118 CAN 32 AE 8.0 6
Show 20318+4118 CAN 32 AF 226 9.0 6
Show 20318+4118 CAN 32 AG 348 11.9 6
Show 20318+4118 CAN 32 AH 183 13.0 6
Show 20310+4110 CAN 19 Aa,Ab 177 0.4 9
Show 20310+4110 CAN 19 AB 247 5.0 9
Show 20310+4110 CAN 19 AC 114 6.9 9
Show 20310+4110 CAN 19 AD 313 9.5 9
Show 20310+4110 CAN 19 AE 256 9.6 9
Show 20310+4110 CAN 19 AF 82 11.3 9
Show 20313+4121 MZA 39 AB 215 4.4 9
Show 20313+4121 CAN 30 AC 185 6.6 9
Show 20313+4121 CAN 30 AD 101 10.7 9
Show 20313+4121 CAN 30 AE 116 11.1 9
Show 20313+4121 CAN 30 AF 234 11.4 9
Show 20313+4121 CAN 30 AG 274 12.4 9
Show 20313+4121 CAN 30 AH 275 12.7 9
Show 20313+4121 CAN 30 AI 272 13.3 9
Show 20324+4118 HER 3 AB 55 0.9 10
Show 20324+4118 MZA 25 AC 324 20.5 10
Show 20324+4118 MZA 25 AD 226 5.5 10
Show 20324+4118 CIA 33 Aa,Ab 107 0.0 10
Show 20324+4118 CIA 33 Aa,Ac 275 0.0 10
Show 20325+4114 CAN 11 Aa,Ab 283 0.8 11
Show 20325+4114 MZA 40 AB 277 2.2 11
Show 20325+4114 CAN 11 AC 176 1.3 11
Show 20325+4114 CAN 11 AD 104 3.7 11
Show 20325+4114 CAN 11 AE 195 5.3 11
Show 20325+4114 CAN 11 AF 179 5.9 11
Show 20307+4109 CAN 16 347 8.4 12
Show 20327+4114 CAN 5 Aa,Ab 284 0.1 12
Show 20327+4114 CAN 78 AB 270 1.1 12
Show 20305+4113 CAN 27 AB 107 4.9 14
Show 20305+4113 CAN 27 AC 287 8.1 14
Show 20305+4113 CAN 27 AD 108 9.8 14
Show 20305+4113 CAN 27 AE 14 10.6 14
Show 20328+4115 CNT 8 355 4.8 14

 
 
WDS 20316+4113 : COMPONENTS
 
 
  A B C
B pa=207.2°
sep=3.69"
 
C pa=169.7°
sep=8.09"
pa=146.1°
sep=5.63"
 
D pa=268.0°
sep=8.87"
pa=292.5°
sep=7.76"
pa=306.6°
sep=12.84"
 
 
20316+4113 A
 
 
Coord arcsec 2000 203137.49+411320.9 Mag 10.57 Spectral class O6IV (blue) PmRA -8.00
PmDE -18.0 Tycho2 3157-00299-1
Tycho2
Tycho2 3157-00299-1 Pflag RAmdeg 307.90625439 DEmdeg 41.22248670
PmRA -3.3 PmDE -0.3 E RAmdeg 29 E DEmdeg 32
E pmRA 1.4 E pmDE 1.3 EpRAm 1984.66 EpDEm 1983.20
Num 8 Q RAmdeg 2.5 Q DEmdeg 2.2 Q pmRA 2.6
Q pmDE 2.2 BTmag 11.969 E BTmag 0.093 VTmag 10.573
E VTmag 0.042 Prox 999 TYC T HIP
CCDM RAdeg 307.90629694 DEdeg 41.22250306 EpRA 1990 1.66
EpDE 1990 1.72 E RAdeg 34.1 E DEdeg 36.1 Posflg
Corr 0.0
CCDM
Ccdm 20316+4113 RComp Comp A Note1
Note2 Discov num DRAs 1.50 DDEs 20.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.6 Sp B0 PmNote *
PmRA -8 PmDE -8 Dm number +40 4212 Cat1 BD
Name2 +41 1917 Cat2 AGK2/3 HD M HD
ADS BDS A13962 M ADS BDS N IDS IDS 20280N4052A
HIC
 
 
20316+4113 B
 
 
Coord arcsec 2000 203137.34+411317.6 Mag 13.2 Spectral class B0IV (blue-white) Calc delta mag 2.63
Calc coord yes
CCDM
Ccdm 20316+4113 RComp Comp B Note1
Note2 Discov num ES 1679 DRAs DDEs
R dRAs Year 1917 Theta 217 Rho 4.5
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13962 M ADS BDS N IDS IDS 20280N4052B
HIC
 
 
20316+4113 C
 
 
Coord arcsec 2000 203137.62+411312.9 Mag 12.7 Calc delta mag 2.13 Calc coord yes
 
 
20316+4113 D
 
 
Coord arcsec 2000 203136.70+411320.6 Mag 12.4 Calc delta mag 1.83 Calc coord yes