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Current system
20117+3600
SEI 978


Nearby doubles
5' : 20115+3604
SEI 972

5' : 20122+3600
SEI 991

5' : 20121+3603
SEI 990

7' : 20122+3603
SEI 994

9' : 20110+3559
SEI 961

10' : 20119+3551
SEI 983AB

10' : 20114+3552
HJ 1490

11' : 20119+3550
SEI 985AB

11' : 20113+3551
BKO 100

12' : 20113+3550
BU 430AB

12' : 20119+3612
BLL 46AB

13' : 20125+3552
SEI1001

14' : 20122+3548
SEI 992

15' : 20124+3549
TOB 177

15' : 20108+3552
SEI 954

15' : 20120+3614
TOB 176

16' : 20109+3612
SEI 959

16' : 20115+3545
TDT2066

17' : 20131+3602
SEI1014

17' : 20126+3614
SEI1003

18' : 20124+3545
BKO 104AB

19' : 20105+3550
SEI 944

20' : 20111+3619
RAO 428

21' : 20101+3602
SEI 938

21' : 20126+3618
SEI1004AB

21' : 20105+3614
SEI 947



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20117+3600 SEI 978

 
 
20h 11m 43.25s +36° 00' 13.5" P.A. 151.00 sep 7.6 mag 11.00,11.00
 
 
Coord 2000 20117+3600 Discov num SEI 978 Comp Coord arcsec 2000 20 11 43.25 +36 00 13.5
Date first 1896 Date last 2015 Obs 9
Pa first 149 Pa last 151.2 P.A. Now (θ) 151.2°
Sep first 7.7 Sep last 7.61 Sep. Now (ρ) 7.61"
Mag pri 11.00 Mag sec 11.00 delta mag (ΔM) 0 Spectral class
Pri motion ra -004 Sec motion ra -003
Pri motion dec -006 Sec motion dec -009
Notes
rPM=0.333
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2058974409404222848
 
 
WDS 20117+3600 SEI 978 : 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
20117+3600 SEI 978 2006 4 151 8.1 11.00 11.00 D 201143.25+360013.5
20117+3600 SEI 978 2010 6 155 7.5 11.00 11.00 201143.25+360013.5
20117+3600 SEI 978 2015 9 151 7.6 11.00 11.00 201143.25+360013.5

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

 
 
WDS 20117+3600 SEI 978 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20117+3600 SEI 978 : MEASURES
 
 
No records found.

 
 
WDS 20117+3600 : VIRTUAL EYEPIECE
 
 

20117+3600 SEI 978A mag 11 20117+3600 SEI 978B sep 7.3 P.A. 156.00 mag 11 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20117+3600 : ALADIN DSS IMAGE @ 20h 11m 43.25s +36° 00' 13.5"
 
 
 
 
WDS 20117+3600 SEI 978 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20117+3600 SEI 978 distance=0' 20115+3604 SEI 972 distance=5' 20122+3600 SEI 991 distance=5' 20121+3603 SEI 990 distance=5' 20122+3603 SEI 994 distance=7' 20110+3559 SEI 961 distance=9' 20119+3551 SEI 983AB distance=10' 20119+3551 SEI 983AC distance=10' 20119+3551 BKO 102AD distance=10' 20114+3552 HJ 1490 distance=10' 20119+3550 SEI 985AB distance=11' 20119+3550 BKO 103AC distance=11' 20113+3551 BKO 100 distance=11' 20113+3550 BU 430AB distance=12' 20113+3550 BU 430AC distance=12' 20113+3550 HJ 1489AD distance=12' 20119+3612 BLL 46AB distance=12' 20119+3612 BKO 101AC distance=12' 20125+3552 SEI1001 distance=13' 20122+3548 SEI 992 distance=14' 20124+3549 TOB 177 distance=15' 20108+3552 SEI 954 distance=15' 20120+3614 TOB 176 distance=15' 20109+3612 SEI 959 distance=16' 20115+3545 TDT2066 distance=16' 20131+3602 SEI1014 distance=17' 20126+3614 SEI1003 distance=17' 20124+3545 BKO 104AB distance=18' 20124+3545 BKO 104AC distance=18' 20105+3550 SEI 944 distance=19' 20111+3619 RAO 428 distance=20' 20101+3602 SEI 938 distance=21' 20126+3618 SEI1004AB distance=21' 20126+3618 TOB 178AC distance=21' 20105+3614 SEI 947 distance=21' 20118+3540 SEI 979 distance=21' 20116+3621 SEI 976 distance=22' 20123+3540 FYM 582 distance=22' 20122+3621 SEI 996AB distance=22' 20122+3621 STJ 71AC distance=22' 20132+3611 NSN 731 distance=22' 20115+3539 SEI 968 distance=22' 20135+3607 SEI1019 distance=23' 20136+3553 SEI1021BC distance=24' 20135+3551 SEI1018 distance=24' 20136+3553 SEI1021AB distance=24' 20136+3553 SEI1021AD distance=24' 20136+3553 SEI1021AC distance=24' 20101+3617 SEI 939AB distance=26' 20101+3617 WSI 152AC distance=26' 20097+3600 SEI 936 distance=26' 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 20117+3600 SEI 978 151 7.6
Show 20115+3604 SEI 972 147 23.9 5
Show 20122+3600 SEI 991 296 20.1 5
Show 20121+3603 SEI 990 296 26.7 5
Show 20122+3603 SEI 994 250 27.1 7
Show 20110+3559 SEI 961 20 13.9 9
Show 20119+3551 SEI 983 AB 89 3.5 10
Show 20119+3551 SEI 983 AC 243 8.1 10
Show 20119+3551 BKO 102 AD 277 14.7 10
Show 20114+3552 HJ 1490 355 8.6 10
Show 20119+3550 SEI 985 AB 17 16.6 11
Show 20119+3550 BKO 103 AC 92 8.1 11
Show 20113+3551 BKO 100 91 6.3 11
Show 20113+3550 BU 430 AB 23 1.2 12
Show 20113+3550 BU 430 AC 173 7.2 12
Show 20113+3550 HJ 1489 AD 51 17.1 12
Show 20119+3612 BLL 46 AB 109 53.2 12
Show 20119+3612 BKO 101 AC 242 41.1 12
Show 20125+3552 SEI1001 188 29.2 13
Show 20122+3548 SEI 992 77 26.4 14
Show 20124+3549 TOB 177 221 20.1 15
Show 20108+3552 SEI 954 314 4.8 15
Show 20120+3614 TOB 176 197 18.8 15
Show 20109+3612 SEI 959 71 21.6 16
Show 20115+3545 TDT2066 129 1.0 16
Show 20131+3602 SEI1014 351 27.7 17
Show 20126+3614 SEI1003 282 23.4 17
Show 20124+3545 BKO 104 AB 72 9.4 18
Show 20124+3545 BKO 104 AC 285 9.3 18
Show 20105+3550 SEI 944 90 17.2 19
Show 20111+3619 RAO 428 292 1.0 20
Show 20101+3602 SEI 938 22 5.4 21
Show 20126+3618 SEI1004 AB 108 25.8 21
Show 20126+3618 TOB 178 AC 288 27.8 21
Show 20105+3614 SEI 947 292 15.0 21
Show 20118+3540 SEI 979 350 6.3 21
Show 20116+3621 SEI 976 3 8.2 22
Show 20123+3540 FYM 582 267 4.9 22
Show 20122+3621 SEI 996 AB 29.5 22
Show 20122+3621 STJ 71 AC 105 1.1 22
Show 20132+3611 NSN 731 324 25.3 22
Show 20115+3539 SEI 968 127 5.6 22
Show 20135+3607 SEI1019 115 23.9 23
Show 20136+3553 SEI1021 BC 52 3.3 24
Show 20135+3551 SEI1018 170 22.3 24
Show 20136+3553 SEI1021 AB 248 13.4 24
Show 20136+3553 SEI1021 AD 121 6.9 24
Show 20136+3553 SEI1021 AC 253 10.3 24
Show 20101+3617 SEI 939 AB 217 26.3 26
Show 20101+3617 WSI 152 AC 31 17.8 26
Show 20097+3600 SEI 936 122 27.9 26

 
 
WDS 20117+3600 : COMPONENTS
 
 
  A
B pa=156.0°
sep=7.30"
 
 
20117+3600 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201143.25+360013.5 Mag 11 PmRA -4.00
PmDE -6.0
 
 
20117+3600 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201143.49+360006.8 Mag 11 PmRA -3.00
PmDE -9.0 Calc coord yes