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Doubles in session


Current system
20157+3800
TDS 1054
HD 228618


Nearby doubles
2' : 20158+3759
SLE 978

4' : 20160+3758
SEI1048

7' : 20162+3805
SEI1050

11' : 20160+3751
TDT2130

11' : 20166+3759
ALI 663

14' : 20149+3809
TDT2119

15' : 20168+3755
SLE 984

16' : 20144+3801
SLE 971

16' : 20162+3745
TOB 183

20' : 20150+3743
SEI1043

20' : 20141+3755
SEI1033

20' : 20151+3742
COU2416

21' : 20142+3750
SEI1034

22' : 20151+3820
SLE 977

23' : 20169+3743
SLE 985

23' : 20176+3806
ES 2502

23' : 20149+3821
SLE 973

23' : 20161+3738
SLE 980

23' : 20147+3820
SLE 972

24' : 20165+3739
BU 442AB

25' : 20178+3802
RBR 25

26' : 20140+3814
SLE 968

27' : 20144+3822
SEI1038

27' : 20171+3738
SLE 986AB

30' : 20148+3827
A 1421

30' : 20163+3829
SLE 981



Selections
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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.

20157+3800 TDS 1054 (HD 228618)

 
 
20h 15m 43.87s +38° 00' 11.3" P.A. 4.00 sep 0.9 mag 11.27,11.74 Sp A5
 
 
Coord 2000 20157+3800 Discov num TDS1054 Comp Coord arcsec 2000 20 15 43.87 +38 00 11.3
Date first 1991 Date last 1991 Obs 1
Pa first 4 Pa last 4.3 P.A. Now (θ) 4.3°
Sep first 0.9 Sep last 0.9 Sep. Now (ρ) 0.9"
Mag pri 11.27 Mag sec 11.74 delta mag (ΔM) 0.47 Spectral class A5 (white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228618 Constellation Cygnus Tycho2 3151-02918-1 Gaia DR2 2060878935330291968
HD 228618
 
 
WDS 20157+3800 TDS 1054 (HD 228618) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
TDS Tycho Double Star (from additional DD list) ...................
TDT Tycho Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+3800 TDS1054 1991 1 4 0.9 11.27 11.74 201543.87+380011.3

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

 
 
WDS 20157+3800 TDS 1054 (HD 228618) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20157+3800 TDS 1054 (HD 228618) : MEASURES
 
 
No records found.

 
 
WDS 20157+3800 (HD 228618) : VIRTUAL EYEPIECE
 
 

20157+3800 TDS1054A mag 11.27 Sp A5 20157+3800 TDS1054B sep 0.9 P.A. 3.40 mag 11.74 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20157+3800 (HD 228618) : ALADIN DSS IMAGE @ 20h 15m 43.87s +38° 00' 11.3"
 
 
 
 
WDS 20157+3800 TDS 1054 (HD 228618) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20157+3800 TDS1054 distance=0' 20158+3759 SLE 978 distance=2' 20160+3758 SEI1048 distance=4' 20162+3805 SEI1050 distance=7' 20160+3751 TDT2130 distance=11' 20166+3759 ALI 663 distance=11' 20149+3809 TDT2119 distance=14' 20168+3755 SLE 984 distance=15' 20144+3801 SLE 971 distance=16' 20162+3745 TOB 183 distance=16' 20150+3743 SEI1043 distance=20' 20141+3755 SEI1033 distance=20' 20151+3742 COU2416 distance=20' 20142+3750 SEI1034 distance=21' 20151+3820 SLE 977 distance=22' 20169+3743 SLE 985 distance=23' 20176+3806 ES 2502 distance=23' 20149+3821 SLE 973 distance=23' 20161+3738 SLE 980 distance=23' 20147+3820 SLE 972 distance=23' 20165+3739 BU 442AB distance=24' 20165+3739 SLE 982AG distance=24' 20165+3739 SLE 982AH distance=24' 20165+3739 SLE 982AI distance=24' 20165+3739 SLE 982AJ distance=24' 20165+3739 SLE 982AK distance=24' 20165+3739 SLE 982AL distance=24' 20165+3739 SLE 982AM distance=24' 20165+3739 SLE 982AN distance=24' 20165+3739 BU 442AQ distance=24' 20165+3739 SLV 8AC distance=24' 20165+3739 BU 442AP distance=24' 20165+3739 BU 442AR distance=24' 20165+3739 ABH 135AD distance=24' 20165+3739 SLE 982AO distance=24' 20165+3739 BU 442CD distance=24' 20165+3739 BU 442CU distance=24' 20165+3739 BU 442CV distance=24' 20165+3739 BU 442BC distance=24' 20165+3739 BU 442BD distance=24' 20165+3739 ABH 135BE distance=24' 20165+3739 ABH 135BF distance=24' 20165+3739 ABH 135BO distance=24' 20165+3739 BU 442BP distance=24' 20165+3739 BU 442BR distance=24' 20165+3739 BU 442BS distance=24' 20165+3739 BU 442BT distance=24' 20165+3739 BU 442BU distance=24' 20165+3739 BU 442BV distance=24' 20165+3739 BU 442UV distance=24' 20178+3802 RBR 25 distance=25' 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 20157+3800 TDS1054 4 0.9
Show 20158+3759 SLE 978 198 11.8 2
Show 20160+3758 SEI1048 121 19.6 4
Show 20162+3805 SEI1050 313 3.9 7
Show 20160+3751 TDT2130 236 2.0 11
Show 20166+3759 ALI 663 58 12.0 11
Show 20149+3809 TDT2119 95 0.6 14
Show 20168+3755 SLE 984 175 8.2 15
Show 20144+3801 SLE 971 228 18.9 16
Show 20162+3745 TOB 183 256 14.7 16
Show 20150+3743 SEI1043 341 21.1 20
Show 20141+3755 SEI1033 342 20.0 20
Show 20151+3742 COU2416 128 0.3 20
Show 20142+3750 SEI1034 59 26.1 21
Show 20151+3820 SLE 977 279 7.3 22
Show 20169+3743 SLE 985 186 14.1 23
Show 20176+3806 ES 2502 325 5.2 23
Show 20149+3821 SLE 973 131 8.7 23
Show 20161+3738 SLE 980 226 14.2 23
Show 20147+3820 SLE 972 114 11.1 23
Show 20165+3739 BU 442 AB 103 18.3 24
Show 20165+3739 SLE 982 AG 10 88.5 24
Show 20165+3739 SLE 982 AH 19 111.6 24
Show 20165+3739 SLE 982 AI 43 63.2 24
Show 20165+3739 SLE 982 AJ 34 96.5 24
Show 20165+3739 SLE 982 AK 34 114.9 24
Show 20165+3739 SLE 982 AL 27 177.3 24
Show 20165+3739 SLE 982 AM 65 88.9 24
Show 20165+3739 SLE 982 AN 76 155.9 24
Show 20165+3739 BU 442 AQ 156 8.7 24
Show 20165+3739 SLV 8 AC 77 31.4 24
Show 20165+3739 BU 442 AP 155 4.7 24
Show 20165+3739 BU 442 AR 332 19.2 24
Show 20165+3739 ABH 135 AD 49 24.4 24
Show 20165+3739 SLE 982 AO 118 58.7 24
Show 20165+3739 BU 442 CD 306 15.1 24
Show 20165+3739 BU 442 CU 109 12.7 24
Show 20165+3739 BU 442 CV 116 20.4 24
Show 20165+3739 BU 442 BC 49 16.9 24
Show 20165+3739 BU 442 BD 2 20.1 24
Show 20165+3739 ABH 135 BE 88 50.2 24
Show 20165+3739 ABH 135 BF 139 64.4 24
Show 20165+3739 ABH 135 BO 125 41.5 24
Show 20165+3739 BU 442 BP 269 16.6 24
Show 20165+3739 BU 442 BR 308 34.4 24
Show 20165+3739 BU 442 BS 124 3.7 24
Show 20165+3739 BU 442 BT 162 6.5 24
Show 20165+3739 BU 442 BU 74 26.0 24
Show 20165+3739 BU 442 BV 86 31.3 24
Show 20165+3739 BU 442 UV 127 8.0 24
Show 20178+3802 RBR 25 107 11.4 25

 
 
WDS 20157+3800 : COMPONENTS
 
 
  A
B pa=3.4°
sep=0.90"
 
 
20157+3800 A
 
 
Componente originario normalizzato AB Name HD 228618 Coord arcsec 2000 201543.87+380011.3 Mag 11.27
Spectral class A5 (white) PmRA 1.00 PmDE -2.0 Tycho2 3151-02918-1
HD 228618
Tycho2
Tycho2 3151-02918-1 Pflag P RAmdeg 303.93278371 DEmdeg 38.00313993
PmRA 0.6 PmDE -2.0 E RAmdeg 44 E DEmdeg 41
E pmRA 2.1 E pmDE 1.9 EpRAm 1986.18 EpDEm 1985.72
Num 5 Q RAmdeg 0.1 Q DEmdeg 1.0 Q pmRA 0.1
Q pmDE 1.1 BTmag 11.417 E BTmag 0.062 VTmag 11.269
E VTmag 0.084 Prox 9 TYC T HIP
CCDM RAdeg 303.93277694 DEdeg 38.00309167 EpRA 1990 1.64
EpDE 1990 1.70 E RAdeg 45.7 E DEdeg 42.8 Posflg D
Corr 0.0
 
 
20157+3800 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201543.87+380012.2 Mag 11.74 PmRA 1.00
PmDE -2.0 Tycho2 3151-02918-2 Calc delta mag 0.47 Calc coord yes
Tycho2
Tycho2 3151-02918-2 Pflag P RAmdeg 303.93278371 DEmdeg 38.00313993
PmRA 0.6 PmDE -2.0 E RAmdeg 44 E DEmdeg 41
E pmRA 2.1 E pmDE 1.9 EpRAm 1986.18 EpDEm 1985.72
Num 5 Q RAmdeg 0.1 Q DEmdeg 1.0 Q pmRA 0.1
Q pmDE 1.1 BTmag 12.379 E BTmag 0.174 VTmag 11.736
E VTmag 0.140 Prox 9 TYC T HIP
CCDM RAdeg 303.93280083 DEdeg 38.00334083 EpRA 1990 1.65
EpDE 1990 1.71 E RAdeg 77.9 E DEdeg 73.4 Posflg D
Corr 0.0