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Current system
20546+4732
HJ 1594


Nearby doubles
15' : 20555+4723
ES 95AB

16' : 20555+4722
TOB 201AB

18' : 20558+4722
TOB 200

26' : 20557+4755
ES 813

30' : 20517+4721
TDT2584

31' : 20567+4754
ES 814AB

31' : 20566+4712
HDS2982

38' : 20577+4752
KPP2318

43' : 20502+4732
ES 672

43' : 20587+4734
A 757

44' : 20529+4814
ES 812

45' : 20571+4658
TDS1108

48' : 20522+4653
BRT2278

53' : 20573+4818
HDS2987

55' : 20598+4731
STF2743AB

56' : 20598+4743
ES 815

59' : 20496+4805
HJ 1584

63' : 20597+4658
ES 1166

64' : 20539+4632
ES 673

65' : 20481+4738
TDT2547

66' : 21009+4730
BU 1290AB

68' : 21011+4738
RAO 446

68' : 20571+4632
TDT2653

69' : 20478+4750
ES 810

71' : 20499+4640
BU 250

73' : 20478+4754
ES 2253



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.

20546+4732 HJ 1594

 
 
20h 54m 26.13s +47° 33' 14.0" P.A. 48.00 sep 9.1 mag 10.32,11.20
 
 
Coord 2000 20546+4732 Discov num HJ 1594 Comp Coord arcsec 2000 20 54 26.13 +47 33 14.0
Date first 1828 Date last 2015 Obs 13
Pa first 49 Pa last 47.6 P.A. Now (θ) 47.6°
Sep first 6.0 Sep last 9.056 Sep. Now (ρ) 9.056"
Mag pri 10.32 Mag sec 11.20 delta mag (ΔM) 0.88 Spectral class
Pri motion ra +003 Sec motion ra +006
Pri motion dec +006 Sec motion dec +010
Notes
rPM=0.429
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3579-02788-1 Gaia DR2 2166902844416261760
 
 
WDS 20546+4732 HJ 1594 : 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
20546+4732 HJ 1594 1907 1 49 8.8 9.82 10.90 K0 205438.73+473140.5
20546+4732 HJ 1594 2012 3 47 9.0 10.32 11.20 205426.13+473313.9
20546+4732 HJ 1594 2015 10 48 9.1 10.32 11.20 205426.13+473314.0

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

 
 
WDS 20546+4732 HJ 1594 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20546+4732 HJ 1594 : MEASURES
 
 
No records found.

 
 
WDS 20546+4732 : VIRTUAL EYEPIECE
 
 

20546+4732 HJ 1594A mag 10.32 20546+4732 HJ 1594B sep 7.6 P.A. 36.50 mag 11.2 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 20546+4732 : ALADIN DSS IMAGE @ 20h 54m 26.13s +47° 33' 14.0"
 
 
 
 
WDS 20546+4732 HJ 1594 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20546+4732 HJ 1594 distance=0' 20555+4723 TDT2632Aa,Ab distance=15' 20555+4723 ES 95AB distance=15' 20555+4723 HJ 1597AC distance=15' 20555+4722 TOB 201AB distance=16' 20555+4722 TOB 201AC distance=16' 20555+4722 TOB 201AD distance=16' 20555+4722 TOB 201CD distance=17' 20558+4722 TOB 200 distance=18' 20557+4755 ES 813 distance=26' 20517+4721 TDT2584 distance=30' 20567+4754 ES 814AB distance=31' 20567+4754 CRB 14AC distance=31' 20566+4712 HDS2982 distance=31' 20577+4752 KPP2318 distance=38' 20502+4732 ES 672 distance=43' 20587+4734 A 757 distance=43' 20529+4814 ES 812 distance=44' 20571+4658 TDS1108 distance=45' 20522+4653 BRT2278 distance=48' 20573+4818 HDS2987 distance=53' 20598+4731 MCA 65Aa,Ab distance=55' 20598+4731 STF2743AB distance=55' 20598+4731 STF2743AC distance=55' 20598+4731 STF2743AD distance=55' 20598+4731 STF2743AE distance=55' 20598+4743 ES 815 distance=56' 20496+4805 HJ 1584 distance=59' 20597+4658 ES 1166 distance=63' 20539+4632 ES 673 distance=64' 20481+4738 TDT2547 distance=65' 21009+4730 BU 1290AB distance=66' 21009+4730 BU 1290AC distance=66' 21009+4730 BU 1290BD distance=66' 21011+4738 RAO 446 distance=68' 20571+4632 TDT2653 distance=68' 20478+4750 ES 810 distance=69' 20499+4640 BU 250 distance=71' 20478+4754 ES 2253 distance=73' 21016+4730 HDS2997 distance=74' 20501+4635 ES 671 distance=74' 20508+4628 BRT2276AB distance=75' 20508+4628 FYM 314AC distance=75' 20508+4628 FYM 314AD distance=75' 20482+4653 ES 669 distance=76' 20541+4850 CTI5707 distance=77' 20585+4626 TDT2667 distance=79' 20531+4615 HJ 1591 distance=80' 20547+4614 YSC 163 distance=80' 20562+4615 A 753AB distance=81' 20562+4615 A 753AB,C distance=81' 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 20546+4732 HJ 1594 48 9.1
Show 20555+4723 TDT2632 Aa,Ab 169 0.6 15
Show 20555+4723 ES 95 AB 268 6.5 15
Show 20555+4723 HJ 1597 AC 127 13.6 15
Show 20555+4722 TOB 201 AB 82 20.0 16
Show 20555+4722 TOB 201 AC 146 13.4 16
Show 20555+4722 TOB 201 AD 114 18.9 16
Show 20555+4722 TOB 201 CD 71 10.3 17
Show 20558+4722 TOB 200 91 11.5 18
Show 20557+4755 ES 813 237 7.3 26
Show 20517+4721 TDT2584 177 2.4 30
Show 20567+4754 ES 814 AB 6.0 31
Show 20567+4754 CRB 14 AC 58 6.4 31
Show 20566+4712 HDS2982 161 0.1 31
Show 20577+4752 KPP2318 76 19.6 38
Show 20502+4732 ES 672 166 4.6 43
Show 20587+4734 A 757 103 4.1 43
Show 20529+4814 ES 812 169 8.5 44
Show 20571+4658 TDS1108 96 1.0 45
Show 20522+4653 BRT2278 196 3.2 48
Show 20573+4818 HDS2987 3 0.4 53
Show 20598+4731 MCA 65 Aa,Ab 334 0.1 55
Show 20598+4731 STF2743 AB 353 21.0 55
Show 20598+4731 STF2743 AC 140 26.5 55
Show 20598+4731 STF2743 AD 222 39.3 55
Show 20598+4731 STF2743 AE 59 70.6 55
Show 20598+4743 ES 815 229 6.4 56
Show 20496+4805 HJ 1584 223 4.3 59
Show 20597+4658 ES 1166 114 1.6 63
Show 20539+4632 ES 673 76 5.2 64
Show 20481+4738 TDT2547 73 2.5 65
Show 21009+4730 BU 1290 AB 35 9.3 66
Show 21009+4730 BU 1290 AC 266 3.5 66
Show 21009+4730 BU 1290 BD 22 2.5 66
Show 21011+4738 RAO 446 338 1.7 68
Show 20571+4632 TDT2653 301 2.3 68
Show 20478+4750 ES 810 40 20.7 69
Show 20499+4640 BU 250 7 18.3 71
Show 20478+4754 ES 2253 335 3.4 73
Show 21016+4730 HDS2997 232 1.9 74
Show 20501+4635 ES 671 91 1.6 74
Show 20508+4628 BRT2276 AB 254 3.7 75
Show 20508+4628 FYM 314 AC 149 9.5 75
Show 20508+4628 FYM 314 AD 86 11.2 75
Show 20482+4653 ES 669 28 6.8 76
Show 20541+4850 CTI5707 148 12.3 77
Show 20585+4626 TDT2667 17 1.1 79
Show 20531+4615 HJ 1591 134 10.1 80
Show 20547+4614 YSC 163 101 0.7 80
Show 20562+4615 A 753 AB 256 1.0 81
Show 20562+4615 A 753 AB,C 263 9.3 81

 
 
WDS 20546+4732 : COMPONENTS
 
 
  A
B pa=36.5°
sep=7.59"
 
 
20546+4732 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205426.13+473314.0 Mag 10.32 PmRA 3.00
PmDE 6.0 Tycho2 3579-02788-1
Tycho2
Tycho2 3579-02788-1 Pflag RAmdeg 313.60891554 DEmdeg 47.55391743
PmRA 8.6 PmDE 3.3 E RAmdeg 28 E DEmdeg 24
E pmRA 2.0 E pmDE 1.9 EpRAm 1989.38 EpDEm 1988.30
Num 4 Q RAmdeg 1.6 Q DEmdeg 6.5 Q pmRA 1.6
Q pmDE 6.7 BTmag 10.790 E BTmag 0.045 VTmag 10.315
E VTmag 0.041 Prox 653 TYC T HIP
CCDM RAdeg 313.60888278 DEdeg 47.55387417 EpRA 1990 1.68
EpDE 1990 1.76 E RAdeg 28.8 E DEdeg 27.5 Posflg
Corr -0.1
CCDM
Ccdm 20546+4732 RComp Comp A Note1
Note2 Discov num DRAs 2.69 DDEs -18.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.3 Sp K0 PmNote *
PmRA 8 PmDE 15 Dm number +46 3101 Cat1 BD
Name2 +47 1659 Cat2 AGK2/3 HD M HD
ADS BDS A14416 M ADS BDS N IDS IDS 20510N4711A
HIC
 
 
20546+4732 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205426.58+473320.1 Mag 11.2 PmRA 6.00
PmDE 10.0 Calc delta mag 0.88 Calc coord yes
CCDM
Ccdm 20546+4732 RComp Comp B Note1
Note2 Discov num HJ 1594 DRAs DDEs
R dRAs Year 1907 Theta 049 Rho 8.8
Obs 1 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14416 M ADS BDS N IDS IDS 20510N4711B
HIC