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Doubles in session


Current system
21238+4926
HJ 1643


Nearby doubles
13' : 21249+4919
ES 2710

14' : 21225+4929
HDS3043

28' : 21265+4917
ES 823

30' : 21264+4911
ES 822

31' : 21207+4923
ES 820AB

31' : 21260+4905
ES 821

33' : 21260+4950
HDS3051

35' : 21203+4921
BU 839AB

42' : 21279+4938
KPP2392

43' : 21196+4913
YR 29

44' : 21212+5001
KPP4235AB

51' : 21248+5015
HJ 1645

54' : 21183+4934
COU2654

55' : 21287+4952
STF2800

56' : 21231+4831
HDS3045

62' : 21182+4956
HU 692

65' : 21304+4926
TDT3002

66' : 21235+5031
HLD 44

68' : 21246+5033
TDT2947

69' : 21254+4818
ES 1102AB

72' : 21296+5010
KPP 877

73' : 21300+4848
SWN 2

75' : 21295+4836
SWN 1

76' : 21306+4852
OSO 148AB

78' : 21173+5011
TDT2885

82' : 21314+4853
SWN 4



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.

21238+4926 HJ 1643

 
 
21h 23m 46.82s +49° 25' 49.8" P.A. 23.00 sep 27.7 mag 9.45,11.70 Sp F5
 
 
Coord 2000 21238+4926 Discov num HJ 1643 Comp Coord arcsec 2000 21 23 46.82 +49 25 49.8
Date first 1828 Date last 2015 Obs 9
Pa first 24 Pa last 22.9 P.A. Now (θ) 22.9°
Sep first 15.0 Sep last 27.667 Sep. Now (ρ) 27.667"
Mag pri 9.45 Mag sec 11.70 delta mag (ΔM) 2.25 Spectral class F5 (yellow-white)
Pri motion ra -006 Sec motion ra +004
Pri motion dec -025 Sec motion dec +001
Notes
rPM=1.084
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3598-01224-1 Gaia DR2 2171033473389865088
 
 
WDS 21238+4926 HJ 1643 : 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
21238+4926 HJ 1643 2000 3 23 27.3 9.45 11.70 F5 D 212346.82+492549.8
21238+4926 HJ 1643 2003 5 23 27.3 9.45 11.70 F5 D 212346.82+492549.8
21238+4926 HJ 1643 2010 6 23 27.4 9.45 11.70 F5 212346.82+492549.8
21238+4926 HJ 1643 2015 7 23 27.7 9.45 11.70 F5 212346.82+492549.8

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

 
 
WDS 21238+4926 HJ 1643 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21238+4926 HJ 1643 : MEASURES
 
 
No records found.

 
 
WDS 21238+4926 : VIRTUAL EYEPIECE
 
 

21238+4926 HJ 1643A mag 9.45 Sp F5 21238+4926 HJ 1643B sep 26.4 P.A. 15.40 mag 11.7 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 21238+4926 : ALADIN DSS IMAGE @ 21h 23m 46.82s +49° 25' 49.8"
 
 
 
 
WDS 21238+4926 HJ 1643 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21238+4926 HJ 1643 distance=1' 21249+4919 ES 2710 distance=13' 21225+4929 HDS3043 distance=14' 21265+4917 ES 823 distance=28' 21264+4911 ES 822 distance=30' 21207+4923 ES 820BC distance=30' 21207+4923 ES 820AB distance=31' 21260+4905 ES 821 distance=31' 21260+4950 HDS3051 distance=33' 21203+4921 BU 839AC distance=35' 21203+4921 BU 839AB distance=35' 21203+4921 BU 839CB distance=35' 21279+4938 KPP2392 distance=42' 21196+4913 YR 29 distance=43' 21212+5001 KPP4235AB distance=44' 21248+5015 HJ 1645 distance=51' 21183+4934 COU2654 distance=54' 21287+4952 STF2800 distance=55' 21231+4831 HDS3045 distance=56' 21182+4956 HU 692 distance=62' 21304+4926 TDT3002 distance=65' 21235+5031 HLD 44 distance=66' 21246+5033 TDT2947 distance=68' 21254+4818 ES 1102AB distance=69' 21254+4818 CRB 7Ca,Cb distance=70' 21254+4818 ES 1102CD distance=70' 21254+4818 ES 1102BC distance=70' 21296+5010 KPP 877 distance=72' 21300+4848 SWN 2 distance=73' 21295+4836 SWN 1 distance=75' 21306+4852 OSO 148AB distance=76' 21306+4852 OSO 148AC distance=76' 21306+4852 OSO 148AD distance=76' 21173+5011 TDT2885 distance=78' 21314+4853 SWN 4 distance=82' 21311+5008 HU 593 distance=83' 21304+4832 SWN 3 distance=85' 21242+4801 SKF2397 distance=86' 21246+4801 HJ 1644AB distance=86' 21246+4801 HJ 1644AC distance=86' 21212+4804 ES 678 distance=87' 21190+5039 ES 1004 distance=87' 21148+4946 COU2653 distance=90' 21308+4827 A 770DE distance=90' 21308+4827 A 770AB distance=91' 21308+4827 A 770AB,C distance=91' 21308+4827 A 770AB,D distance=91' 21288+4809 HJ 1651 distance=92' 21195+5048 ES 1005BC distance=94' 21195+5048 ES 1005AB distance=94' 21142+4930 ES 819 distance=94' 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 21238+4926 HJ 1643 23 27.7 1
Show 21249+4919 ES 2710 157 20.1 13
Show 21225+4929 HDS3043 113 0.2 14
Show 21265+4917 ES 823 280 11.1 28
Show 21264+4911 ES 822 24 1.4 30
Show 21207+4923 ES 820 BC 293 3.7 30
Show 21207+4923 ES 820 AB 60 35.5 31
Show 21260+4905 ES 821 276 7.0 31
Show 21260+4950 HDS3051 213 0.2 33
Show 21203+4921 BU 839 AC 200 22.5 35
Show 21203+4921 BU 839 AB 207 14.5 35
Show 21203+4921 BU 839 CB 7 8.1 35
Show 21279+4938 KPP2392 33 20.6 42
Show 21196+4913 YR 29 124 0.2 43
Show 21212+5001 KPP4235 AB 90 2.8 44
Show 21248+5015 HJ 1645 36 8.1 51
Show 21183+4934 COU2654 227 1.1 54
Show 21287+4952 STF2800 254 9.1 55
Show 21231+4831 HDS3045 63 0.1 56
Show 21182+4956 HU 692 259 0.4 62
Show 21304+4926 TDT3002 311 1.7 65
Show 21235+5031 HLD 44 258 2.1 66
Show 21246+5033 TDT2947 262 0.7 68
Show 21254+4818 ES 1102 AB 195 49.1 69
Show 21254+4818 CRB 7 Ca,Cb 110 1.6 70
Show 21254+4818 ES 1102 CD 110 3.6 70
Show 21254+4818 ES 1102 BC 38 7.0 70
Show 21296+5010 KPP 877 16 7.4 72
Show 21300+4848 SWN 2 352 3.1 73
Show 21295+4836 SWN 1 2 5.3 75
Show 21306+4852 OSO 148 AB 170 16.1 76
Show 21306+4852 OSO 148 AC 119 23.8 76
Show 21306+4852 OSO 148 AD 346 18.6 76
Show 21173+5011 TDT2885 13 1.5 78
Show 21314+4853 SWN 4 56 0.9 82
Show 21311+5008 HU 593 60 1.5 83
Show 21304+4832 SWN 3 142 1.0 85
Show 21242+4801 SKF2397 246 2.8 86
Show 21246+4801 HJ 1644 AB 114 24.1 86
Show 21246+4801 HJ 1644 AC 42 37.7 86
Show 21212+4804 ES 678 115 4.4 87
Show 21190+5039 ES 1004 221 7.6 87
Show 21148+4946 COU2653 66 0.3 90
Show 21308+4827 A 770 DE 41 7.2 90
Show 21308+4827 A 770 AB 143 0.1 91
Show 21308+4827 A 770 AB,C 317 1.1 91
Show 21308+4827 A 770 AB,D 15 98.9 91
Show 21288+4809 HJ 1651 334 11.9 92
Show 21195+5048 ES 1005 BC 126 2.3 94
Show 21195+5048 ES 1005 AB 145 11.5 94
Show 21142+4930 ES 819 203 5.0 94

 
 
WDS 21238+4926 : COMPONENTS
 
 
  A
B pa=15.4°
sep=26.43"
 
 
21238+4926 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212346.82+492549.8 Mag 9.45 Spectral class F5 (yellow-white)
PmRA -6.00 PmDE -25.0 Tycho2 3598-01224-1
Tycho2
Tycho2 3598-01224-1 Pflag RAmdeg 320.94513123 DEmdeg 49.43052425
PmRA -5.6 PmDE -27.3 E RAmdeg 13 E DEmdeg 12
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.17 EpDEm 1989.94
Num 7 Q RAmdeg 1.5 Q DEmdeg 0.8 Q pmRA 1.5
Q pmDE 0.8 BTmag 9.960 E BTmag 0.024 VTmag 9.447
E VTmag 0.020 Prox 999 TYC T HIP
CCDM RAdeg 320.94515139 DEdeg 49.43058778 EpRA 1990 1.62
EpDE 1990 1.58 E RAdeg 12.8 E DEdeg 12.9 Posflg
Corr 0.1
CCDM
Ccdm 21238+4926 RComp Comp A Note1
Note2 Discov num DRAs -1.13 DDEs -9.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp PmNote *
PmRA -7 PmDE -15 Dm number +48 3370 Cat1 BD
Name2 +49 1792 Cat2 AGK2/3 HD M HD
ADS BDS B10974 M ADS BDS N IDS IDS 21203N4901A
HIC
 
 
21238+4926 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212347.54+492615.3 Mag 11.7 PmRA 4.00
PmDE 1.0 Calc delta mag 2.25 Calc coord yes
CCDM
Ccdm 21238+4926 RComp Comp B Note1
Note2 Discov num HJ 1643 DRAs DDEs
R dRAs Year 1909 Theta 023 Rho 24.2
Obs 1 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B10974 M ADS BDS N IDS IDS 21203N4901B
HIC