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Doubles in session


Current system
21275+5747
HJ 1648


Nearby doubles
22' : 21302+5743
TDT3000

26' : 21249+5734
A 766

32' : 21256+5814
BU 1141

32' : 21314+5754
ES 1800

39' : 21287+5710
BU 1142

41' : 21246+5715
HEI 881

45' : 21223+5734
A 764AB

49' : 21274+5835
MLR 435

51' : 21277+5656
HJ 1649

59' : 21290+5844
MLR 436AB

60' : 21203+5737
MLB 87

63' : 21202+5809
STI2566

67' : 21328+5839
HJ 1659AB

71' : 21360+5728
STF2813

72' : 21364+5738
PET 4

73' : 21314+5641
TDT3007

79' : 21178+5756
STI2564

80' : 21373+5731
PET 5

80' : 21232+5859
HDS3048

81' : 21199+5841
HLM 39

83' : 21377+5734
D 25AB

83' : 21193+5837
STF2790AB

83' : 21335+5857
MLR 437

85' : 21380+5738
PET 6

87' : 21353+5648
TDT3045

88' : 21385+5741
PET 7



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.

21275+5747 HJ 1648

 
 
21h 27m 34.75s +57° 47' 13.9" P.A. 29.00 sep 9.3 mag 12.20,12.80
 
 
Coord 2000 21275+5747 Discov num HJ 1648 Comp Coord arcsec 2000 21 27 34.75 +57 47 13.9
Date first 1828 Date last 2014 Obs 8
Pa first 26 Pa last 29 P.A. Now (θ) 29°
Sep first 4.0 Sep last 9.252 Sep. Now (ρ) 9.252"
Mag pri 12.20 Mag sec 12.80 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -014 Sec motion ra -008
Pri motion dec +001 Sec motion dec -006
Notes
rPM=0.657
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cepheus Gaia DR2 2178885528291717760
 
 
WDS 21275+5747 HJ 1648 : 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
21275+5747 HJ 1648 1999 2 29 9.3 12.20 12.80 D 212734.75+574713.9
21275+5747 HJ 1648 2003 4 29 9.3 12.20 12.80 D 212734.75+574713.9
21275+5747 HJ 1648 2010 5 30 8.5 12.20 12.80 212734.75+574713.9
21275+5747 HJ 1648 2014 8 29 9.3 12.20 12.80 212734.75+574713.9

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

 
 
WDS 21275+5747 HJ 1648 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21275+5747 HJ 1648 : MEASURES
 
 
No records found.

 
 
WDS 21275+5747 : VIRTUAL EYEPIECE
 
 

21275+5747 HJ 1648A mag 12.2 21275+5747 HJ 1648B sep 8.4 P.A. 16.50 mag 12.8 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 21275+5747 : ALADIN DSS IMAGE @ 21h 27m 34.75s +57° 47' 13.9"
 
 
 
 
WDS 21275+5747 HJ 1648 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21275+5747 HJ 1648 distance=0' 21302+5743 TDT3000 distance=22' 21249+5734 A 766 distance=26' 21256+5814 BU 1141 distance=32' 21314+5754 ES 1800 distance=32' 21287+5710 BU 1142 distance=39' 21246+5715 HEI 881 distance=41' 21223+5734 A 764AB distance=45' 21223+5734 POP1233AC distance=45' 21274+5835 MLR 435 distance=49' 21277+5656 HJ 1649 distance=51' 21290+5844 HDS3058Aa,Ab distance=59' 21290+5844 MLR 436AB distance=59' 21203+5737 MLB 87 distance=60' 21202+5809 STI2566 distance=63' 21328+5839 HJ 1659AB distance=67' 21328+5839 HJ 1659AC distance=67' 21360+5728 STF2813 distance=71' 21364+5738 PET 4 distance=72' 21314+5641 TDT3007 distance=73' 21178+5756 STI2564 distance=79' 21373+5731 PET 5 distance=80' 21232+5859 HDS3048 distance=80' 21199+5841 HLM 39 distance=81' 21377+5734 D 25AB distance=83' 21377+5734 STF2815AB,C distance=83' 21193+5837 BAG 9Aa,Ab distance=83' 21193+5837 STF2790AB distance=83' 21193+5837 STF2790AC distance=83' 21193+5837 STF2790AD distance=83' 21335+5857 MLR 437 distance=83' 21380+5738 PET 6 distance=85' 21353+5648 TDT3045 distance=87' 21385+5741 PET 7 distance=88' 21220+5631 CRB 210 distance=90' 21366+5842 BU 371 distance=90' 21165+5727 STI2562 distance=91' 21252+5618 TDS1127 distance=92' 21391+5742 PET 8 distance=93' 21390+5729 FLE 3DE distance=93' 21390+5729 MIU 2Aa,Ab distance=94' 21390+5729 BU 1143AB distance=94' 21390+5729 STF2816AC distance=94' 21390+5729 STF2816AD distance=94' 21390+5729 GUI 36CD distance=94' 21346+5633 A 1893AB distance=94' 21346+5633 A 1893AB,C distance=94' 21173+5837 BU 1140AB distance=96' 21173+5837 BU 1140AC distance=96' 21173+5837 PET 2Aa,Ab distance=96' 21377+5659 MLR 583 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 21275+5747 HJ 1648 29 9.3
Show 21302+5743 TDT3000 164 0.5 22
Show 21249+5734 A 766 225 0.6 26
Show 21256+5814 BU 1141 166 3.3 32
Show 21314+5754 ES 1800 86 3.4 32
Show 21287+5710 BU 1142 6 0.4 39
Show 21246+5715 HEI 881 71 3.2 41
Show 21223+5734 A 764 AB 21 1.3 45
Show 21223+5734 POP1233 AC 192 84.1 45
Show 21274+5835 MLR 435 236 0.2 49
Show 21277+5656 HJ 1649 61 5.9 51
Show 21290+5844 HDS3058 Aa,Ab 182 0.1 59
Show 21290+5844 MLR 436 AB 343 4.2 59
Show 21203+5737 MLB 87 333 2.7 60
Show 21202+5809 STI2566 125 13.2 63
Show 21328+5839 HJ 1659 AB 287 7.8 67
Show 21328+5839 HJ 1659 AC 68 19.3 67
Show 21360+5728 STF2813 272 10.2 71
Show 21364+5738 PET 4 191 0.4 72
Show 21314+5641 TDT3007 250 0.5 73
Show 21178+5756 STI2564 212 5.0 79
Show 21373+5731 PET 5 76 0.8 80
Show 21232+5859 HDS3048 27 13.0 80
Show 21199+5841 HLM 39 63 18.8 81
Show 21377+5734 D 25 AB 164 1.0 83
Show 21377+5734 STF2815 AB,C 81 7.5 83
Show 21193+5837 BAG 9 Aa,Ab 123 0.1 83
Show 21193+5837 STF2790 AB 45 4.6 83
Show 21193+5837 STF2790 AC 183 15.8 83
Show 21193+5837 STF2790 AD 352 74.8 83
Show 21335+5857 MLR 437 302 0.5 83
Show 21380+5738 PET 6 118 1.5 85
Show 21353+5648 TDT3045 52 1.9 87
Show 21385+5741 PET 7 256 0.5 88
Show 21220+5631 CRB 210 341 12.9 90
Show 21366+5842 BU 371 3 8.7 90
Show 21165+5727 STI2562 77 11.2 91
Show 21252+5618 TDS1127 236 1.1 92
Show 21391+5742 PET 8 218 1.4 93
Show 21390+5729 FLE 3 DE 351 55.2 93
Show 21390+5729 MIU 2 Aa,Ab 196 0.1 94
Show 21390+5729 BU 1143 AB 319 1.8 94
Show 21390+5729 STF2816 AC 120 11.8 94
Show 21390+5729 STF2816 AD 339 20.6 94
Show 21390+5729 GUI 36 CD 324 30.6 94
Show 21346+5633 A 1893 AB 24 0.7 94
Show 21346+5633 A 1893 AB,C 67 16.4 94
Show 21173+5837 BU 1140 AB 274 4.2 96
Show 21173+5837 BU 1140 AC 271 68.2 96
Show 21173+5837 PET 2 Aa,Ab 271 0.1 96
Show 21377+5659 MLR 583 15 0.8 96

 
 
WDS 21275+5747 : COMPONENTS
 
 
  A
B pa=16.5°
sep=8.44"
 
 
21275+5747 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212734.75+574713.9 Mag 12.2 PmRA -14.00
PmDE 1.0
 
 
21275+5747 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212735.05+574722.0 Mag 12.8 PmRA -8.00
PmDE -6.0 Calc delta mag 0.6 Calc coord yes