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Doubles in session


Current system
20171+3738
SLE 986 AB


Nearby doubles
5' : 20169+3743
SLE 985

7' : 20165+3739
BU 442AB

8' : 20168+3731
ARY 25

9' : 20177+3740
SLE 989

12' : 20176+3729
SLE 987

12' : 20161+3738
SLE 980

13' : 20162+3745
TOB 183

14' : 20170+3725
A 1423AB

18' : 20168+3755
SLE 984

18' : 20185+3735
TDT2155

18' : 20160+3751
TDT2130

21' : 20166+3759
ALI 663

24' : 20189+3730
TDT2160

24' : 20160+3758
SEI1048

24' : 20151+3742
COU2416

26' : 20178+3802
RBR 25

26' : 20150+3743
SEI1043

26' : 20158+3759
SLE 978

26' : 20150+3729
KPP2316

27' : 20191+3730
SLE 999

27' : 20157+3800
TDS1054

27' : 20187+3720
SLE 995

27' : 20189+3723
BKO 823

28' : 20162+3805
SEI1050

29' : 20183+3802
SLE 993

29' : 20179+3712
SEI1071



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

20171+3738 SLE 986 AB

 
 
20h 17m 03.70s +37° 38' 24.8" P.A. 347.00 sep 6.4 mag 10.78,15.10
 
 
Coord 2000 20171+3738 Discov num SLE 986 Comp AB Coord arcsec 2000 20 17 03.70 +37 38 24.8
Date first 1985 Date last 2022 Obs 8
Pa first 355 Pa last 346.5 P.A. Now (θ) 346.5°
Sep first 5.8 Sep last 6.36 Sep. Now (ρ) 6.36"
Mag pri 10.78 Mag sec 15.10 delta mag (ΔM) 4.32 Spectral class
Pri motion ra +000 Sec motion ra -032
Pri motion dec -004 Sec motion dec -021
Notes
rPM=0.947
This double is not physical.
 
 
20171+3738 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 17 04 +37 38 25 SLE 986 AB 2022 8 347 6.4 10.78 15.10 4.32 <===
Show 20 17 04 +37 38 25 SLE 986 AC 2022 11 1 17.9 10.78 12.40 1.62
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3151-01063-1 Gaia DR2 2060668585010192256
 
 
WDS 20171+3738 SLE 986 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+3738 SLE 986 AB 1985 1 355 5.8 11.70 12.70 201703.59+373819.6
20171+3738 SLE 986 AB 2002 2 354 6.5 10.78 15.10 201703.70+373824.8
20171+3738 SLE 986 AB 2015 3 353 6.5 10.78 15.10 201703.70+373824.8
20171+3738 SLE 986 AB 2022 8 347 6.4 10.78 15.10 201703.70+373824.8

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

 
 
WDS 20171+3738 SLE 986 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20171+3738 SLE 986 AB : MEASURES
 
 
No records found.

 
 
WDS 20171+3738 : VIRTUAL EYEPIECE
 
 

20171+3738 SLE 986A mag 10.78 20171+3738 SLE 986B sep 6.3 P.A. 349.20 mag 15.1 20171+3738 SLE 986C sep 17.9 P.A. 1.00 mag 12.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20171+3738 : ALADIN DSS IMAGE @ 20h 17m 03.70s +37° 38' 24.8"
 
 
 
 
WDS 20171+3738 SLE 986 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20171+3738 SLE 986AB distance=0' 20169+3743 SLE 985 distance=5' 20165+3739 BU 442UV distance=6' 20165+3739 BU 442CD distance=7' 20165+3739 BU 442CU distance=7' 20165+3739 BU 442CV distance=7' 20165+3739 BU 442BC distance=7' 20165+3739 BU 442BD distance=7' 20165+3739 ABH 135BE distance=7' 20165+3739 ABH 135BF distance=7' 20165+3739 ABH 135BO distance=7' 20165+3739 BU 442BP distance=7' 20165+3739 BU 442BR distance=7' 20165+3739 BU 442BS distance=7' 20165+3739 BU 442BT distance=7' 20165+3739 BU 442BU distance=7' 20165+3739 BU 442BV distance=7' 20165+3739 BU 442AB distance=7' 20165+3739 SLE 982AG distance=7' 20165+3739 SLE 982AH distance=7' 20165+3739 SLE 982AI distance=7' 20165+3739 SLE 982AJ distance=7' 20165+3739 SLE 982AK distance=7' 20165+3739 SLE 982AL distance=7' 20165+3739 SLE 982AM distance=7' 20165+3739 SLE 982AN distance=7' 20165+3739 BU 442AQ distance=7' 20165+3739 SLV 8AC distance=7' 20165+3739 BU 442AP distance=7' 20165+3739 BU 442AR distance=7' 20165+3739 ABH 135AD distance=7' 20165+3739 SLE 982AO distance=7' 20168+3731 ARY 25 distance=8' 20177+3740 SLE 989 distance=9' 20176+3729 SLE 987 distance=12' 20161+3738 SLE 980 distance=12' 20162+3745 TOB 183 distance=13' 20170+3725 HDS2891Aa,Ab distance=14' 20170+3725 A 1423AB distance=14' 20170+3725 CIA 9Aa1,2 distance=14' 20168+3755 SLE 984 distance=18' 20185+3735 TDT2155 distance=18' 20160+3751 TDT2130 distance=18' 20166+3759 ALI 663 distance=21' 20189+3730 TDT2160 distance=24' 20160+3758 SEI1048 distance=24' 20151+3742 COU2416 distance=24' 20178+3802 RBR 25 distance=26' 20150+3743 SEI1043 distance=26' 20158+3759 SLE 978 distance=26' 20150+3729 KPP2316 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 20171+3738 SLE 986 AB 347 6.4
Show 20171+3738 SLE 986 AC 1 17.9
Show 20169+3743 SLE 985 186 14.1 5
Show 20165+3739 BU 442 UV 127 8.0 6
Show 20165+3739 BU 442 CD 306 15.1 7
Show 20165+3739 BU 442 CU 109 12.7 7
Show 20165+3739 BU 442 CV 116 20.4 7
Show 20165+3739 BU 442 BC 49 16.9 7
Show 20165+3739 BU 442 BD 2 20.1 7
Show 20165+3739 ABH 135 BE 88 50.2 7
Show 20165+3739 ABH 135 BF 139 64.4 7
Show 20165+3739 ABH 135 BO 125 41.5 7
Show 20165+3739 BU 442 BP 269 16.6 7
Show 20165+3739 BU 442 BR 308 34.4 7
Show 20165+3739 BU 442 BS 124 3.7 7
Show 20165+3739 BU 442 BT 162 6.5 7
Show 20165+3739 BU 442 BU 74 26.0 7
Show 20165+3739 BU 442 BV 86 31.3 7
Show 20165+3739 BU 442 AB 103 18.3 7
Show 20165+3739 SLE 982 AG 10 88.5 7
Show 20165+3739 SLE 982 AH 19 111.6 7
Show 20165+3739 SLE 982 AI 43 63.2 7
Show 20165+3739 SLE 982 AJ 34 96.5 7
Show 20165+3739 SLE 982 AK 34 114.9 7
Show 20165+3739 SLE 982 AL 27 177.3 7
Show 20165+3739 SLE 982 AM 65 88.9 7
Show 20165+3739 SLE 982 AN 76 155.9 7
Show 20165+3739 BU 442 AQ 156 8.7 7
Show 20165+3739 SLV 8 AC 77 31.4 7
Show 20165+3739 BU 442 AP 155 4.7 7
Show 20165+3739 BU 442 AR 332 19.2 7
Show 20165+3739 ABH 135 AD 49 24.4 7
Show 20165+3739 SLE 982 AO 118 58.7 7
Show 20168+3731 ARY 25 293 147.1 8
Show 20177+3740 SLE 989 223 8.9 9
Show 20176+3729 SLE 987 208 11.1 12
Show 20161+3738 SLE 980 226 14.2 12
Show 20162+3745 TOB 183 256 14.7 13
Show 20170+3725 HDS2891 Aa,Ab 55 0.9 14
Show 20170+3725 A 1423 AB 128 4.4 14
Show 20170+3725 CIA 9 Aa1,2 305 0.0 14
Show 20168+3755 SLE 984 175 8.2 18
Show 20185+3735 TDT2155 125 0.6 18
Show 20160+3751 TDT2130 236 2.0 18
Show 20166+3759 ALI 663 58 12.0 21
Show 20189+3730 TDT2160 274 6.0 24
Show 20160+3758 SEI1048 121 19.6 24
Show 20151+3742 COU2416 128 0.3 24
Show 20178+3802 RBR 25 107 11.4 26
Show 20150+3743 SEI1043 341 21.1 26
Show 20158+3759 SLE 978 198 11.8 26

 
 
WDS 20171+3738 : COMPONENTS
 
 
  A B
B pa=349.2°
sep=6.30"
 
C pa=1.0°
sep=17.90"
pa=7.2°
sep=11.80"
 
 
20171+3738 A
 
 
Coord arcsec 2000 201703.70+373824.8 Mag 10.78 PmRA 0.00 PmDE -4.0
Tycho2 3151-01063-1
Tycho2
Tycho2 3151-01063-1 Pflag RAmdeg 304.26547434 DEmdeg 37.64021906
PmRA 8.1 PmDE -8.3 E RAmdeg 39 E DEmdeg 33
E pmRA 3.6 E pmDE 3.2 EpRAm 1989.20 EpDEm 1988.33
Num 4 Q RAmdeg 0.4 Q DEmdeg 1.5 Q pmRA 0.4
Q pmDE 1.6 BTmag 11.752 E BTmag 0.076 VTmag 10.659
E VTmag 0.051 Prox 910 TYC T HIP
CCDM RAdeg 304.26544889 DEdeg 37.64022861 EpRA 1990 1.58
EpDE 1990 1.73 E RAdeg 40.8 E DEdeg 37.7 Posflg
Corr -0.1
 
 
20171+3738 B
 
 
Coord arcsec 2000 201703.60+373831.0 Mag 15.1 PmRA -32.00 PmDE -21.0
Calc delta mag 4.32 Calc coord yes
 
 
20171+3738 C
 
 
Coord arcsec 2000 201703.72+373842.7 Mag 12.4 PmRA 3.00 PmDE 10.0
Calc delta mag 1.62 Calc coord yes