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Current system
21185+4747
HJ 1635 AD


Nearby doubles
19' : 21184+4802
HJ 1633

24' : 21204+4733
A 762

32' : 21212+4804
ES 678

40' : 21158+4719
ES 514

47' : 21170+4704
COU2437

54' : 21157+4832
HDS3024

59' : 21242+4801
SKF2397

63' : 21246+4801
HJ 1644AB

64' : 21231+4831
HDS3045

66' : 21238+4710
A 765AB

66' : 21129+4820
HJ 1625

72' : 21256+4741
ES 679

74' : 21151+4642
TDT2858

75' : 21133+4655
A 884

77' : 21254+4818
ES 1102AB

77' : 21155+4637
HJ 1629

80' : 21263+4732
TDT2966

82' : 21105+4742
BU 159AB

83' : 21127+4349
DJU 6

84' : 21119+4838
HJ 1624

87' : 21100+4745
A 761

87' : 21196+4913
YR 29

88' : 21159+4624
ES 513

88' : 21258+4658
OL 221

88' : 21119+4845
STJ 110

89' : 21105+4713
TDT2803



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.

21185+4747 HJ 1635 AD

 
 
21h 18m 31.94s +47° 47' 11.0" P.A. 241.00 sep 17.5 mag 10.24,14.80
 
 
Coord 2000 21185+4747 Discov num HJ 1635 Comp AD Coord arcsec 2000 21 18 31.94 +47 47 11.0
Date first 1912 Date last 2015 Obs 9
Pa first 240 Pa last 240.8 P.A. Now (θ) 240.8°
Sep first 18.6 Sep last 17.494 Sep. Now (ρ) 17.494"
Mag pri 10.24 Mag sec 14.80 delta mag (ΔM) 4.56 Spectral class
Pri motion ra -005 Sec motion ra
Pri motion dec -005 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
21185+4747 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 18 32 +47 47 11 HJ 1635 AB 2015 10 344 17.0 10.24 12.78 2.54
Show 21 18 32 +47 47 11 HJ 1635 AC 2015 9 82 19.2 10.24 14.77 4.53
Show 21 18 32 +47 47 11 HJ 1635 AD 2015 9 241 17.5 10.24 14.80 4.56 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3593-04167-1 Gaia DR2 2164669534442093184 DM BD+47 3363
 
 
WDS 21185+4747 HJ 1635 AD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21185+4747 HJ 1635 AD 1998 3 241 17.5 10.24 14.80 D 211831.94+474711.0
21185+4747 HJ 1635 AD 2003 4 241 17.5 10.24 14.80 D 211831.94+474711.0
21185+4747 HJ 1635 AD 2012 5 241 17.3 10.24 14.80 D 211831.94+474711.0
21185+4747 HJ 1635 AD 2015 6 241 17.5 10.24 14.80 211831.94+474711.0

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

 
 
WDS 21185+4747 HJ 1635 AD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21185+4747 HJ 1635 AD : MEASURES
 
 
No records found.

 
 
WDS 21185+4747 : VIRTUAL EYEPIECE
 
 

21185+4747 HJ 1635A mag 10.24 21185+4747 HJ 1635B sep 16.6 P.A. 349.20 mag 12.78 21185+4747 HJ 1635C sep 13.1 P.A. 77.60 mag 14.77 21185+4747 HJ 1635D sep 13.3 P.A. 230.20 mag 14.8 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 21185+4747 : ALADIN DSS IMAGE @ 21h 18m 31.94s +47° 47' 11.0"
 
 
 
 
WDS 21185+4747 HJ 1635 AD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21185+4747 HJ 1635AD distance=0' 21184+4802 HJ 1633 distance=19' 21204+4733 A 762 distance=24' 21212+4804 ES 678 distance=32' 21158+4719 ES 514 distance=40' 21170+4704 COU2437 distance=47' 21157+4832 HDS3024 distance=54' 21242+4801 SKF2397 distance=59' 21246+4801 HJ 1644AB distance=63' 21246+4801 HJ 1644AC distance=63' 21231+4831 HDS3045 distance=64' 21238+4710 A 765CD distance=66' 21238+4710 A 765AB distance=66' 21238+4710 A 765AB,C distance=66' 21129+4820 HJ 1625 distance=66' 21256+4741 ES 679 distance=72' 21151+4642 TDT2858 distance=74' 21133+4655 A 884 distance=75' 21254+4818 ES 1102BC distance=76' 21254+4818 CRB 7Ca,Cb distance=76' 21254+4818 ES 1102CD distance=76' 21254+4818 ES 1102AB distance=77' 21155+4637 HJ 1629 distance=77' 21263+4732 TDT2966 distance=80' 21105+4742 BU 159AB distance=82' 21105+4742 STTA215AC distance=82' 21105+4742 BU 159AD distance=82' 21105+4742 LV 23AE distance=82' 21127+4349 DJU 6 distance=83' 21119+4838 HJ 1624 distance=84' 21100+4745 A 761 distance=87' 21196+4913 YR 29 distance=87' 21159+4624 ES 513 distance=88' 21258+4658 OL 221 distance=88' 21119+4845 STJ 110 distance=88' 21105+4713 TDT2803 distance=89' 21100+4811 RAO 448 distance=90' 21109+4658 GIC 166AB distance=92' 21109+4658 JNN 290BC distance=92' 21109+4658 JNN 290BD distance=92' 21103+4828 TOI1343 distance=92' 21117+4849 COU2651 distance=92' 21247+4640 KPP1079 distance=93' 21127+4900 COU2652 distance=93' 21102+4828 KPP4226 distance=94' 21278+4748 ES 680 distance=94' 21152+4619 HDS3023 distance=95' 21097+4820 COU2545 distance=95' 21203+4921 BU 839CB distance=96' 21092+4737 TDT2786 distance=96' 21203+4921 BU 839AC distance=96' 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 21185+4747 HJ 1635 AB 344 17.0
Show 21185+4747 HJ 1635 AC 82 19.2
Show 21185+4747 HJ 1635 AD 241 17.5
Show 21184+4802 HJ 1633 67 9.9 19
Show 21204+4733 A 762 359 2.5 24
Show 21212+4804 ES 678 115 4.4 32
Show 21158+4719 ES 514 195 4.4 40
Show 21170+4704 COU2437 241 0.5 47
Show 21157+4832 HDS3024 328 0.3 54
Show 21242+4801 SKF2397 246 2.8 59
Show 21246+4801 HJ 1644 AB 114 24.1 63
Show 21246+4801 HJ 1644 AC 42 37.7 63
Show 21231+4831 HDS3045 63 0.1 64
Show 21238+4710 A 765 CD 345 5.9 66
Show 21238+4710 A 765 AB 22 0.6 66
Show 21238+4710 A 765 AB,C 22 26.4 66
Show 21129+4820 HJ 1625 71 11.8 66
Show 21256+4741 ES 679 275 3.6 72
Show 21151+4642 TDT2858 215 2.2 74
Show 21133+4655 A 884 111 0.4 75
Show 21254+4818 ES 1102 BC 38 7.0 76
Show 21254+4818 CRB 7 Ca,Cb 110 1.6 76
Show 21254+4818 ES 1102 CD 110 3.6 76
Show 21254+4818 ES 1102 AB 195 49.1 77
Show 21155+4637 HJ 1629 71 12.6 77
Show 21263+4732 TDT2966 196 0.8 80
Show 21105+4742 BU 159 AB 313 1.2 82
Show 21105+4742 STTA215 AC 189 136.7 82
Show 21105+4742 BU 159 AD 145 14.8 82
Show 21105+4742 LV 23 AE 338 46.8 82
Show 21127+4349 DJU 6 24 2.6 83
Show 21119+4838 HJ 1624 190 6.2 84
Show 21100+4745 A 761 56 0.4 87
Show 21196+4913 YR 29 124 0.2 87
Show 21159+4624 ES 513 49 8.8 88
Show 21258+4658 OL 221 14 2.2 88
Show 21119+4845 STJ 110 114 1.3 88
Show 21105+4713 TDT2803 183 0.6 89
Show 21100+4811 RAO 448 3 3.5 90
Show 21109+4658 GIC 166 AB 150 29.3 92
Show 21109+4658 JNN 290 BC 36 2.4 92
Show 21109+4658 JNN 290 BD 189 3.4 92
Show 21103+4828 TOI1343 334 0.5 92
Show 21117+4849 COU2651 13 0.9 92
Show 21247+4640 KPP1079 10 8.6 93
Show 21127+4900 COU2652 339 0.7 93
Show 21102+4828 KPP4226 308 1.9 94
Show 21278+4748 ES 680 331 7.6 94
Show 21152+4619 HDS3023 140 0.9 95
Show 21097+4820 COU2545 74 0.7 95
Show 21203+4921 BU 839 CB 7 8.1 96

 
 
WDS 21185+4747 : COMPONENTS
 
 
  A B C
B pa=349.2°
sep=16.61"
 
C pa=77.6°
sep=13.05"
pa=130.5°
sep=20.83"
 
D pa=230.2°
sep=13.35"
pa=196.1°
sep=25.86"
pa=243.8°
sep=25.64"
 
 
21185+4747 A
 
 
Coord arcsec 2000 211831.94+474711.0 Mag 10.24 PmRA -5.00 PmDE -5.0
Tycho2 3593-04167-1 DM BD+47 3363
Tycho2
Tycho2 3593-04167-1 Pflag RAmdeg 319.63309337 DEmdeg 47.78640214
PmRA -5.2 PmDE -3.5 E RAmdeg 17 E DEmdeg 17
E pmRA 1.5 E pmDE 1.5 EpRAm 1989.44 EpDEm 1989.18
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.1 BTmag 10.406 E BTmag 0.029 VTmag 10.240
E VTmag 0.032 Prox 999 TYC T HIP
CCDM RAdeg 319.63310917 DEdeg 47.78640750 EpRA 1990 1.66
EpDE 1990 1.66 E RAdeg 18.2 E DEdeg 18.7 Posflg
Corr 0.1
CCDM
Ccdm 21185+4747 RComp Comp A Note1
Note2 Discov num DRAs 1.98 DDEs 10.9
R dRAs 65 Year Theta Rho
Obs 4 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number +47 3363 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS B10904 M ADS BDS N IDS IDS 21150N4722A
HIC
 
 
21185+4747 B
 
 
Coord arcsec 2000 211831.63+474727.3 Mag 12.78 PmRA -52.00 PmDE 3.0
Calc delta mag 2.54 Calc coord yes
CCDM
Ccdm 21185+4747 RComp Comp B Note1
Note2 Discov num HJ 1635 DRAs 1.67 DDEs 27.2
R dRAs 65 Year 1909 Theta 360 Rho 15.8
Obs 2 Vmag 11.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10904 M ADS BDS N IDS IDS 21150N4722B
HIC
 
 
21185+4747 C
 
 
Coord arcsec 2000 211833.20+474713.8 Mag 14.77 Calc delta mag 4.53 Calc coord yes
CCDM
Ccdm 21185+4747 RComp Comp C Note1
Note2 Discov num HJ 1635 DRAs 3.82 DDEs 13.5
R dRAs 65 Year 1912 Theta 083 Rho 18.9
Obs 1 Vmag 13.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21150N4722C
HIC
 
 
21185+4747 D
 
 
Coord arcsec 2000 211830.92+474702.5 Mag 14.8 Calc delta mag 4.56 Calc coord yes
CCDM
Ccdm 21185+4747 RComp Comp D Note1
Note2 Discov num HJ 1635 DRAs 0.44 DDEs 2.5
R dRAs 65 Year 1912 Theta 240 Rho 18.6
Obs 1 Vmag 14.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21150N4722D
HIC