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Doubles in session


Current system
20178+3645
SEI 1067


Nearby doubles
3' : 20176+3643
SLE 988

16' : 20189+3635
BKO 562

17' : 20191+3645
BU 1206AB

17' : 20191+3644
SLE 997

17' : 20166+3651
SEI1059

17' : 20184+3658
MLB 417

17' : 20168+3633
KRV 10

17' : 20192+3647
SEI1081AB

18' : 20193+3641
BKO 564

19' : 20191+3635
SEI1080

20' : 20194+3644
BKO 565

20' : 20194+3646
SLE1002

21' : 20170+3627
SEI1063

21' : 20193+3635
AG 253AB

21' : 20167+3629
COU2417

23' : 20160+3648
SLE 979

24' : 20191+3628
SLE 998

25' : 20167+3625
SLE 983

25' : 20165+3703
ARY 24

27' : 20188+3620
SEI1077

27' : 20191+3648
COU2286

28' : 20179+3712
SEI1071

32' : 20204+3648
SLE1008

32' : 20180+3613
SEI1073

32' : 20200+3702
SLE1005

33' : 20187+3715
SLE 994



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Binary Systems
Triple Systems
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Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20178+3645 SEI 1067

 
 
20h 17m 47.23s +36° 44' 13.5" P.A. 58.00 sep 16.6 mag 11.32,11.30 Sp A0:V:
 
 
Coord 2000 20178+3645 Discov num SEI1067 Comp Coord arcsec 2000 20 17 47.23 +36 44 13.5
Date first 1896 Date last 2015 Obs 11
Pa first 55 Pa last 58.4 P.A. Now (θ) 58.4°
Sep first 15.2 Sep last 16.606 Sep. Now (ρ) 16.606"
Mag pri 11.32 Mag sec 11.30 delta mag (ΔM) 0.02 Spectral class A0:V: (white)
Pri motion ra -018 Sec motion ra -003
Pri motion dec -007 Sec motion dec -009
Notes
rPM=0.784
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2684-01790-1 Gaia DR2 2060545920740184960
 
 
WDS 20178+3645 SEI 1067 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
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
20178+3645 SEI1067 1998 5 58 16.4 11.32 11.30 D 201747.23+364413.5
20178+3645 SEI1067 2002 6 58 16.5 11.32 11.30 D 201747.23+364413.5
20178+3645 SEI1067 2015 7 58 16.6 11.32 11.30 A0:V: 201747.23+364413.5

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

 
 
WDS 20178+3645 SEI 1067 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20178+3645 SEI 1067 : MEASURES
 
 
No records found.

 
 
WDS 20178+3645 : VIRTUAL EYEPIECE
 
 

20178+3645 SEI1067A mag 11.32 Sp A0:V: 20178+3645 SEI1067B sep 14.3 P.A. 52.50 mag 11.3 virtual eyepiece
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Radius:
Components only
 
 
WDS 20178+3645 : ALADIN DSS IMAGE @ 20h 17m 47.23s +36° 44' 13.5"
 
 
 
 
WDS 20178+3645 SEI 1067 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20178+3645 SEI1067 distance=0' 20176+3643 SLE 988 distance=3' 20189+3635 BKO 562 distance=16' 20191+3645 BU 1206AB distance=17' 20191+3644 SLE 997 distance=17' 20166+3651 SEI1059 distance=17' 20184+3658 MLB 417 distance=17' 20168+3633 KRV 10 distance=17' 20192+3647 TOB 184BC distance=17' 20192+3647 SEI1081AB distance=17' 20193+3641 BKO 564 distance=18' 20191+3635 SEI1080 distance=19' 20194+3644 BKO 565 distance=20' 20194+3646 SLE1002 distance=20' 20170+3627 SEI1063 distance=21' 20193+3635 AG 253AB distance=21' 20193+3635 AG 253AC distance=21' 20167+3629 COU2417 distance=21' 20160+3648 SLE 979 distance=23' 20191+3628 SLE 998 distance=24' 20167+3625 SLE 983 distance=25' 20165+3703 ARY 24 distance=25' 20188+3620 SEI1077 distance=27' 20191+3648 COU2286 distance=27' 20179+3712 SEI1071 distance=28' 20204+3648 SLE1008 distance=32' 20180+3613 SEI1073 distance=32' 20200+3702 SLE1005 distance=32' 20187+3715 SLE 994 distance=33' 20201+3700 TDT2183AB distance=33' 20201+3700 SEI1087AC distance=33' 20204+3656 SLE1007 distance=34' 20151+3637 SLE 975 distance=34' 20198+3707 ARY 1 distance=34' 20150+3659 SLE 974 distance=37' 20187+3720 SLE 995 distance=38' 20145+3648 ENG 72BD distance=38' 20208+3655 SLE1010 distance=38' 20200+3616 BU 431 distance=39' 20191+3720 TDT2163 distance=39' 20146+3635 SEI1041 distance=39' 20205+3623 SEI1092 distance=39' 20155+3713 ES 2189 distance=40' 20145+3648 ENG 72AB distance=40' 20145+3648 ENG 72AC distance=40' 20145+3648 BUP 207AE distance=40' 20145+3648 SMR 39AF distance=40' 20145+3648 FYM 105AH distance=40' 20145+3640 BLL 48AB distance=40' 20145+3640 RJJ 1Aa,Ab distance=40' 20209+3657 ARY 26 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 20178+3645 SEI1067 58 16.6
Show 20176+3643 SLE 988 115 10.8 3
Show 20189+3635 BKO 562 241 6.6 16
Show 20191+3645 BU 1206 AB 355 2.2 17
Show 20191+3644 SLE 997 339 10.0 17
Show 20166+3651 SEI1059 320 13.0 17
Show 20184+3658 MLB 417 75 4.0 17
Show 20168+3633 KRV 10 359 2.5 17
Show 20192+3647 TOB 184 BC 170 23.9 17
Show 20192+3647 SEI1081 AB 231 18.0 17
Show 20193+3641 BKO 564 137 11.3 18
Show 20191+3635 SEI1080 72 22.6 19
Show 20194+3644 BKO 565 13 11.3 20
Show 20194+3646 SLE1002 239 7.9 20
Show 20170+3627 SEI1063 258 16.3 21
Show 20193+3635 AG 253 AB 118 9.8 21
Show 20193+3635 AG 253 AC 268 171.9 21
Show 20167+3629 COU2417 351 0.8 21
Show 20160+3648 SLE 979 34 11.1 23
Show 20191+3628 SLE 998 183 7.5 24
Show 20167+3625 SLE 983 276 11.9 25
Show 20165+3703 ARY 24 307 96.3 25
Show 20188+3620 SEI1077 330 11.3 27
Show 20191+3648 COU2286 120 0.5 27
Show 20179+3712 SEI1071 11 27.5 28
Show 20204+3648 SLE1008 42 7.5 32
Show 20180+3613 SEI1073 149 4.7 32
Show 20200+3702 SLE1005 12 6.5 32
Show 20187+3715 SLE 994 353 14.5 33
Show 20201+3700 TDT2183 AB 192 1.6 33
Show 20201+3700 SEI1087 AC 259 11.8 33
Show 20204+3656 SLE1007 345 9.7 34
Show 20151+3637 SLE 975 152 9.0 34
Show 20198+3707 ARY 1 257 76.6 34
Show 20150+3659 SLE 974 330 12.5 37
Show 20187+3720 SLE 995 143 8.8 38
Show 20145+3648 ENG 72 BD 120 217.5 38
Show 20208+3655 SLE1010 352 12.8 38
Show 20200+3616 BU 431 208 0.5 39
Show 20191+3720 TDT2163 289 3.7 39
Show 20146+3635 SEI1041 23 21.6 39
Show 20205+3623 SEI1092 14 27.3 39
Show 20155+3713 ES 2189 136 3.3 40
Show 20145+3648 ENG 72 AB 155 215.3 40
Show 20145+3648 ENG 72 AC 22 212.3 40
Show 20145+3648 BUP 207 AE 325 35.2 40
Show 20145+3648 SMR 39 AF 33 32.7 40
Show 20145+3648 FYM 105 AH 133 10.0 40
Show 20145+3640 BLL 48 AB 117 113.6 40
Show 20145+3640 RJJ 1 Aa,Ab 132 0.0 40
Show 20209+3657 ARY 26 307 111.3 40

 
 
WDS 20178+3645 : COMPONENTS
 
 
  A
B pa=52.5°
sep=14.29"
 
 
20178+3645 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201747.23+364413.5 Mag 11.32 Spectral class A0:V: (white)
PmRA -18.00 PmDE -7.0 Tycho2 2684-01790-1
Tycho2
Tycho2 2684-01790-1 Pflag RAmdeg 304.44683981 DEmdeg 36.73708961
PmRA -19.0 PmDE -4.7 E RAmdeg 102 E DEmdeg 95
E pmRA 2.5 E pmDE 2.3 EpRAm 1958.77 EpDEm 1959.11
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.5 BTmag 12.601 E BTmag 0.244 VTmag 11.323
E VTmag 0.101 Prox 999 TYC HIP
CCDM RAdeg 304.44689083 DEdeg 36.73709861 EpRA 1990 1.60
EpDE 1990 1.70 E RAdeg 134.2 E DEdeg 124.2 Posflg
Corr 0.0
 
 
20178+3645 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201748.17+364422.2 Mag 11.3 PmRA -3.00
PmDE -9.0 Calc delta mag 0.02 Calc coord yes