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Doubles in session


Current system
20151+3742
COU 2416
HD 192744


Nearby doubles
2' : 20150+3743
SEI1043

13' : 20161+3738
SLE 980

13' : 20150+3729
KPP2316

14' : 20162+3745
TOB 183

14' : 20142+3750
SEI1034

14' : 20160+3751
TDT2130

18' : 20165+3739
BU 442AB

18' : 20141+3755
SEI1033

20' : 20160+3758
SEI1048

20' : 20158+3759
SLE 978

20' : 20157+3800
TDS1054

21' : 20140+3726
SLE 969

21' : 20144+3801
SLE 971

22' : 20135+3733
SLE 967

22' : 20169+3743
SLE 985

24' : 20171+3738
SLE 986AB

24' : 20168+3731
ARY 25

25' : 20166+3759
ALI 663

25' : 20168+3755
SLE 984

26' : 20162+3805
SEI1050

28' : 20149+3809
TDT2119

29' : 20170+3725
A 1423AB

29' : 20127+3735
SLE 963

30' : 20155+3713
ES 2189

32' : 20177+3740
SLE 989

33' : 20176+3729
SLE 987



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.

20151+3742 COU 2416 (HD 192744)

 
 
20h 15m 04.77s +37° 41' 45.1" P.A. 128.00 sep 0.3 mag 8.00,8.50 Sp F0V
 
 
Coord 2000 20151+3742 Discov num COU2416 Comp Coord arcsec 2000 20 15 04.77 +37 41 45.1
Date first 1986 Date last 2014 Obs 20
Pa first 232 Pa last 128.2 P.A. Now (θ) 128.2°
Sep first 0.2 Sep last 0.342 Sep. Now (ρ) 0.342"
Mag pri 8.00 Mag sec 8.50 delta mag (ΔM) 0.5 Spectral class F0V (yellow-white)
Pri motion ra +034 Sec motion ra
Pri motion dec +024 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 192744 Constellation Cygnus SAO 69696 Tycho2 3151-01432-1
Gaia DR2 2060847324369028224 HD 192744
 
 
ORBITAL ELEMENTS
 
 
Period (P)56.88y Periastron (T)1995.77y Semi-major axis (a)0.223a
Eccentricity (e)0.477 Inclination (i)37.8° Longitude of periastron (ω)248.7°
Node (Ω)95.7° Notesn ReferenceDoc2013g
Equinox2000 Last observation2009 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 62.7 0.138
2001 72.8 0.156
2002 80.9 0.173
2003 87.6 0.188
2004 93.3 0.202
2005 98.3 0.215
2006 102.8 0.226
2007 106.9 0.235
2008 110.7 0.244
2009 114.3 0.251
2010 117.7 0.257
2011 120.9 0.262
2012 124.1 0.267
2013 127.1 0.270
2014 130.1 0.273
2015 133.0 0.275
2016 135.8 0.276
2017 138.7 0.277
2018 141.5 0.278
2019 144.4 0.278
2020 147.2 0.277
2021 150.1 0.276
2022 152.9 0.275
2023 155.9 0.273
2024 158.8 0.271
2025 161.8 0.269
2026 164.9 0.266
2027 168.0 0.263
2028 171.2 0.260
2029 174.5 0.257
2030 177.8 0.253


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds20151%2B3742c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20151+3742 COU 2416 (HD 192744) : NOTES
 
 
discov_num notes refcode
COU2416 Systemic mass is estimated at 2.8 +/- 0.7 Msun, assuming a dynamical
parallax of 10.69 +/- 0.30 mas. Doc2008a
 
 
REFERENCES
 
 
refcode metd author reference
Doc2008a S j Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y., 2008AJ....135.1803D
Doc2008a +orb Lahulla, J.F., & Maximov, A.
Doc2008a AJ 135, 1803, 2008
Doc2013g orb - Docobo, J.A. & Ling, J.F. 2013IAUDS.181....1D
Doc2013g Inf. Circ. 181, 1, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20151+3742 COU2416 2005 12 100 0.2 8.00 8.50 F0V NO 201504.77+374145.1
20151+3742 COU2416 2007 13 111 0.2 8.00 8.50 F0V NO 201504.77+374145.1
20151+3742 COU2416 2009 15 117 0.3 8.00 8.50 F0V NO 201504.77+374145.1
20151+3742 COU2416 2011 16 118 0.3 8.00 8.50 F0V NO 201504.77+374145.1
20151+3742 COU2416 2012 19 126 0.3 8.00 8.50 F0V NO 201504.77+374145.1
20151+3742 COU2416 2014 20 128 0.3 8.00 8.50 F0V NO 201504.77+374145.1

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

 
 
WDS 20151+3742 COU 2416 (HD 192744) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20151+3742 COU 2416 (HD 192744) : MEASURES
 
 
No records found.

 
 
WDS 20151+3742 (HD 192744) : VIRTUAL EYEPIECE
 
 

20151+3742 COU2416A mag 8 Sp F0V 20151+3742 COU2416B sep 0.3 P.A. 134.80 mag 8.5 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 20151+3742 (HD 192744) : ALADIN DSS IMAGE @ 20h 15m 04.77s +37° 41' 45.1"
 
 
 
 
WDS 20151+3742 COU 2416 (HD 192744) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20151+3742 COU2416 distance=0' 20150+3743 SEI1043 distance=2' 20161+3738 SLE 980 distance=13' 20150+3729 KPP2316 distance=13' 20162+3745 TOB 183 distance=14' 20142+3750 SEI1034 distance=14' 20160+3751 TDT2130 distance=14' 20165+3739 BU 442AB distance=18' 20165+3739 SLE 982AG distance=18' 20165+3739 SLE 982AH distance=18' 20165+3739 SLE 982AI distance=18' 20165+3739 SLE 982AJ distance=18' 20165+3739 SLE 982AK distance=18' 20165+3739 SLE 982AL distance=18' 20165+3739 SLE 982AM distance=18' 20165+3739 SLE 982AN distance=18' 20165+3739 BU 442AQ distance=18' 20165+3739 SLV 8AC distance=18' 20165+3739 BU 442AP distance=18' 20165+3739 BU 442AR distance=18' 20165+3739 ABH 135AD distance=18' 20165+3739 SLE 982AO distance=18' 20165+3739 BU 442BC distance=18' 20165+3739 BU 442BD distance=18' 20165+3739 ABH 135BE distance=18' 20165+3739 ABH 135BF distance=18' 20165+3739 ABH 135BO distance=18' 20165+3739 BU 442BP distance=18' 20165+3739 BU 442BR distance=18' 20165+3739 BU 442BS distance=18' 20165+3739 BU 442BT distance=18' 20165+3739 BU 442BU distance=18' 20165+3739 BU 442BV distance=18' 20165+3739 BU 442CD distance=18' 20165+3739 BU 442CU distance=18' 20165+3739 BU 442CV distance=18' 20141+3755 SEI1033 distance=18' 20165+3739 BU 442UV distance=18' 20160+3758 SEI1048 distance=20' 20158+3759 SLE 978 distance=20' 20157+3800 TDS1054 distance=20' 20140+3726 SLE 969 distance=21' 20144+3801 SLE 971 distance=21' 20135+3733 SLE 967 distance=22' 20169+3743 SLE 985 distance=22' 20171+3738 SLE 986AB distance=24' 20171+3738 SLE 986AC distance=24' 20168+3731 ARY 25 distance=24' 20166+3759 ALI 663 distance=25' 20168+3755 SLE 984 distance=25' 20162+3805 SEI1050 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 20151+3742 COU2416 128 0.3
Show 20150+3743 SEI1043 341 21.1 2
Show 20161+3738 SLE 980 226 14.2 13
Show 20150+3729 KPP2316 227 19.3 13
Show 20162+3745 TOB 183 256 14.7 14
Show 20142+3750 SEI1034 59 26.1 14
Show 20160+3751 TDT2130 236 2.0 14
Show 20165+3739 BU 442 AB 103 18.3 18
Show 20165+3739 SLE 982 AG 10 88.5 18
Show 20165+3739 SLE 982 AH 19 111.6 18
Show 20165+3739 SLE 982 AI 43 63.2 18
Show 20165+3739 SLE 982 AJ 34 96.5 18
Show 20165+3739 SLE 982 AK 34 114.9 18
Show 20165+3739 SLE 982 AL 27 177.3 18
Show 20165+3739 SLE 982 AM 65 88.9 18
Show 20165+3739 SLE 982 AN 76 155.9 18
Show 20165+3739 BU 442 AQ 156 8.7 18
Show 20165+3739 SLV 8 AC 77 31.4 18
Show 20165+3739 BU 442 AP 155 4.7 18
Show 20165+3739 BU 442 AR 332 19.2 18
Show 20165+3739 ABH 135 AD 49 24.4 18
Show 20165+3739 SLE 982 AO 118 58.7 18
Show 20165+3739 BU 442 BC 49 16.9 18
Show 20165+3739 BU 442 BD 2 20.1 18
Show 20165+3739 ABH 135 BE 88 50.2 18
Show 20165+3739 ABH 135 BF 139 64.4 18
Show 20165+3739 ABH 135 BO 125 41.5 18
Show 20165+3739 BU 442 BP 269 16.6 18
Show 20165+3739 BU 442 BR 308 34.4 18
Show 20165+3739 BU 442 BS 124 3.7 18
Show 20165+3739 BU 442 BT 162 6.5 18
Show 20165+3739 BU 442 BU 74 26.0 18
Show 20165+3739 BU 442 BV 86 31.3 18
Show 20165+3739 BU 442 CD 306 15.1 18
Show 20165+3739 BU 442 CU 109 12.7 18
Show 20165+3739 BU 442 CV 116 20.4 18
Show 20141+3755 SEI1033 342 20.0 18
Show 20165+3739 BU 442 UV 127 8.0 18
Show 20160+3758 SEI1048 121 19.6 20
Show 20158+3759 SLE 978 198 11.8 20
Show 20157+3800 TDS1054 4 0.9 20
Show 20140+3726 SLE 969 245 9.1 21
Show 20144+3801 SLE 971 228 18.9 21
Show 20135+3733 SLE 967 118 13.7 22
Show 20169+3743 SLE 985 186 14.1 22
Show 20171+3738 SLE 986 AB 347 6.4 24
Show 20171+3738 SLE 986 AC 1 17.9 24
Show 20168+3731 ARY 25 293 147.1 24
Show 20166+3759 ALI 663 58 12.0 25
Show 20168+3755 SLE 984 175 8.2 25
Show 20162+3805 SEI1050 313 3.9 26

 
 
WDS 20151+3742 : COMPONENTS
 
 
  A
B pa=134.8°
sep=0.30"
 
 
20151+3742 A
 
 
Componente originario normalizzato AB Name HD 192744 Coord arcsec 2000 201504.77+374145.1 Mag 8
Spectral class F0V (yellow-white) PmRA 34.00 PmDE 24.0 SAO 69696
Tycho2 3151-01432-1 HD 192744 DM BD+37 3845
Tycho2
Tycho2 3151-01432-1 Pflag RAmdeg 303.76992427 DEmdeg 37.69587036
PmRA 41.9 PmDE 23.3 E RAmdeg 5 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.21 EpDEm 1991.44
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.3 BTmag 7.895 E BTmag 0.015 VTmag 7.510
E VTmag 0.010 Prox 919 TYC T HIP
CCDM RAdeg 303.76980056 DEdeg 37.69581639 EpRA 1990 1.55
EpDE 1990 1.65 E RAdeg 4.5 E DEdeg 4.2 Posflg
Corr 0.0
SAO
SAO 69696 DelFlag RA1950 PmRA1950 0.0027
DE1950 PmDE1950 0.035 Vmag 7.8 SpType F0
Double code Source 5 CatNum 1936 DM BD+37 3845
DMcomp BDsup HD 192744 M HD 0
GC RA1950rad 5.29370801 DE1950rad 0.65522909 PmRA2000 0.003
PmDE2000 0.033
 
 
20151+3742 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201504.79+374144.9 Mag 8.5 Calc delta mag 0.5
Calc coord yes