stampa
Login

Filter only those doubles you can observe? Yes, you can!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20496+4805
HJ 1584


Nearby doubles
23' : 20478+4754
ES 2253

24' : 20478+4750
ES 810

31' : 20481+4738
TDT2547

34' : 20502+4732
ES 672

35' : 20529+4814
ES 812

44' : 20454+4816
UC 254

49' : 20517+4721
TDT2584

59' : 20546+4732
HJ 1594

62' : 20470+4901
HDS2962

64' : 20557+4755
ES 813

64' : 20541+4850
CTI5707

67' : 20450+4718
BRT2274

68' : 20437+4733
A 749

72' : 20567+4754
ES 814AB

73' : 20443+4716
TDT2509

73' : 20555+4723
ES 95AB

74' : 20482+4653
ES 669

74' : 20555+4722
TOB 201AB

75' : 20540+4905
HEI 913

76' : 20441+4856
HEI 912

76' : 20558+4722
TOB 200

78' : 20522+4653
BRT2278

78' : 20573+4818
HDS2987

81' : 20521+4923
ES 811

82' : 20434+4712
TDT2496

83' : 20577+4752
KPP2318



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.

20496+4805 HJ 1584

 
 
20h 49m 35.58s +48° 04' 57.2" P.A. 223.00 sep 4.3 mag 9.84,10.96
 
 
Coord 2000 20496+4805 Discov num HJ 1584 Comp Coord arcsec 2000 20 49 35.58 +48 04 57.2
Date first 1828 Date last 2018 Obs 10
Pa first 221 Pa last 223.2 P.A. Now (θ) 223.2°
Sep first 3.5 Sep last 4.283 Sep. Now (ρ) 4.283"
Mag pri 9.84 Mag sec 10.96 delta mag (ΔM) 1.12 Spectral class
Pri motion ra +002 Sec motion ra -040
Pri motion dec +004 Sec motion dec -038
Notes
rPM=1.077
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3579-03960-1 Gaia DR2 2167156767190982912
 
 
WDS 20496+4805 HJ 1584 : 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
20496+4805 HJ 1584 2006 6 224 4.4 9.84 10.96 D 204935.58+480457.2
20496+4805 HJ 1584 2015 9 223 4.3 9.84 10.96 204935.58+480457.2
20496+4805 HJ 1584 2018 10 224 4.3 9.84 10.96 204935.58+480457.2

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

 
 
WDS 20496+4805 HJ 1584 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20496+4805 HJ 1584 : MEASURES
 
 
No records found.

 
 
WDS 20496+4805 : VIRTUAL EYEPIECE
 
 

20496+4805 HJ 1584A mag 9.84 20496+4805 HJ 1584B sep 3.7 P.A. 212.10 mag 10.96 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 20496+4805 : ALADIN DSS IMAGE @ 20h 49m 35.58s +48° 04' 57.2"
 
 
 
 
WDS 20496+4805 HJ 1584 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20496+4805 HJ 1584 distance=0' 20478+4754 ES 2253 distance=23' 20478+4750 ES 810 distance=24' 20481+4738 TDT2547 distance=31' 20502+4732 ES 672 distance=34' 20529+4814 ES 812 distance=35' 20454+4816 UC 254 distance=44' 20517+4721 TDT2584 distance=49' 20546+4732 HJ 1594 distance=59' 20470+4901 HDS2962 distance=62' 20557+4755 ES 813 distance=64' 20541+4850 CTI5707 distance=64' 20450+4718 BRT2274 distance=67' 20437+4733 A 749 distance=68' 20567+4754 ES 814AB distance=72' 20567+4754 CRB 14AC distance=72' 20443+4716 TDT2509 distance=73' 20555+4723 TDT2632Aa,Ab distance=73' 20555+4723 ES 95AB distance=73' 20555+4723 HJ 1597AC distance=73' 20482+4653 ES 669 distance=74' 20555+4722 TOB 201AB distance=74' 20555+4722 TOB 201AC distance=74' 20555+4722 TOB 201AD distance=74' 20555+4722 TOB 201CD distance=74' 20540+4905 HEI 913 distance=75' 20441+4856 HEI 912 distance=76' 20558+4722 TOB 200 distance=76' 20522+4653 BRT2278 distance=78' 20573+4818 HDS2987 distance=78' 20521+4923 ES 811 distance=81' 20434+4712 TDT2496 distance=82' 20577+4752 KPP2318 distance=83' 20414+4758 ES 809AB distance=83' 20414+4758 SKF2394AC distance=83' 20499+4640 BU 250 distance=86' 20566+4712 HDS2982 distance=89' 20409+4828 ES 808 distance=90' 20501+4635 ES 671 distance=91' 20438+4921 HEI 911 distance=95' 20437+4651 TDS1096 distance=96' 20587+4734 A 757 distance=97' 20508+4628 BRT2276AB distance=97' 20508+4628 FYM 314AC distance=97' 20508+4628 FYM 314AD distance=97' 20466+4632 KUI 101 distance=98' 20434+4923 STJ 111 distance=100' 20425+4916 ARG 39BC distance=100' 20425+4916 ARG 39BD distance=100' 20425+4916 ARG 39BE distance=100' 20425+4916 ARG 39AB distance=100' 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 20496+4805 HJ 1584 223 4.3
Show 20478+4754 ES 2253 335 3.4 23
Show 20478+4750 ES 810 40 20.7 24
Show 20481+4738 TDT2547 73 2.5 31
Show 20502+4732 ES 672 166 4.6 34
Show 20529+4814 ES 812 169 8.5 35
Show 20454+4816 UC 254 181 17.9 44
Show 20517+4721 TDT2584 177 2.4 49
Show 20546+4732 HJ 1594 48 9.1 59
Show 20470+4901 HDS2962 222 0.1 62
Show 20557+4755 ES 813 237 7.3 64
Show 20541+4850 CTI5707 148 12.3 64
Show 20450+4718 BRT2274 41 4.9 67
Show 20437+4733 A 749 306 0.5 68
Show 20567+4754 ES 814 AB 6.0 72
Show 20567+4754 CRB 14 AC 58 6.4 72
Show 20443+4716 TDT2509 180 1.4 73
Show 20555+4723 TDT2632 Aa,Ab 169 0.6 73
Show 20555+4723 ES 95 AB 268 6.5 73
Show 20555+4723 HJ 1597 AC 127 13.6 73
Show 20482+4653 ES 669 28 6.8 74
Show 20555+4722 TOB 201 AB 82 20.0 74
Show 20555+4722 TOB 201 AC 146 13.4 74
Show 20555+4722 TOB 201 AD 114 18.9 74
Show 20555+4722 TOB 201 CD 71 10.3 74
Show 20540+4905 HEI 913 14 2.1 75
Show 20441+4856 HEI 912 201 1.7 76
Show 20558+4722 TOB 200 91 11.5 76
Show 20522+4653 BRT2278 196 3.2 78
Show 20573+4818 HDS2987 3 0.4 78
Show 20521+4923 ES 811 158 1.4 81
Show 20434+4712 TDT2496 49 1.7 82
Show 20577+4752 KPP2318 76 19.6 83
Show 20414+4758 ES 809 AB 285 1.6 83
Show 20414+4758 SKF2394 AC 68 3.0 83
Show 20499+4640 BU 250 7 18.3 86
Show 20566+4712 HDS2982 161 0.1 89
Show 20409+4828 ES 808 157 3.3 90
Show 20501+4635 ES 671 91 1.6 91
Show 20438+4921 HEI 911 125 2.4 95
Show 20437+4651 TDS1096 147 0.9 96
Show 20587+4734 A 757 103 4.1 97
Show 20508+4628 BRT2276 AB 254 3.7 97
Show 20508+4628 FYM 314 AC 149 9.5 97
Show 20508+4628 FYM 314 AD 86 11.2 97
Show 20466+4632 KUI 101 112 0.3 98
Show 20434+4923 STJ 111 64 0.9 100
Show 20425+4916 ARG 39 BC 100 35.4 100
Show 20425+4916 ARG 39 BD 241 21.1 100
Show 20425+4916 ARG 39 BE 55 44.1 100
Show 20425+4916 ARG 39 AB 184 15.4 100

 
 
WDS 20496+4805 : COMPONENTS
 
 
  A
B pa=212.1°
sep=3.69"
 
 
20496+4805 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204935.58+480457.2 Mag 9.84 PmRA 2.00
PmDE 4.0 Tycho2 3579-03960-1
Tycho2
Tycho2 3579-03960-1 Pflag RAmdeg 312.39826778 DEmdeg 48.08255577
PmRA -3.5 PmDE -1.7 E RAmdeg 16 E DEmdeg 16
E pmRA 1.5 E pmDE 1.5 EpRAm 1990.48 EpDEm 1990.52
Num 4 Q RAmdeg 2.1 Q DEmdeg 2.2 Q pmRA 2.1
Q pmDE 2.3 BTmag 10.144 E BTmag 0.026 VTmag 9.840
E VTmag 0.026 Prox 43 TYC T HIP
CCDM RAdeg 312.39828000 DEdeg 48.08255972 EpRA 1990 1.74
EpDE 1990 1.73 E RAdeg 15.8 E DEdeg 15.6 Posflg
Corr 0.1
CCDM
Ccdm 20496+4805 RComp Comp A Note1
Note2 Discov num DRAs -0.42 DDEs -1.7
R dRAs 21 Year Theta Rho
Obs 2 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number +47 3193 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A14346 M ADS BDS N IDS IDS 20463N4743A
HIC
 
 
20496+4805 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204935.38+480454.1 Mag 10.96 PmRA -40.00
PmDE -38.0 Calc delta mag 1.12 Calc coord yes
CCDM
Ccdm 20496+4805 RComp Comp B Note1
Note2 Discov num HJ 1584 DRAs DDEs
R dRAs Year 1907 Theta 224 Rho 3.8
Obs 1 Vmag 11.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14346 M ADS BDS N IDS IDS 20463N4743B
HIC