20506+5452 DJU 5 CD

 
 
20h 50m 40.79s +54° 52' 29.6" P.A. 173.00 sep 4.0 mag 12.60,13.30
 
 
Coord 2000 20506+5452 Discov num DJU   5 Comp CD Coord arcsec 2000 20 50 40.79 +54 52 29.6
Date first 1954 Date last 2009 Obs 5
Pa first 167 Pa last 172.7 P.A. Now (θ) 172.7°
Sep first 3.8 Sep last 4.04 Sep. Now (ρ) 4.04"
Mag pri 12.60 Mag sec 13.30 delta mag (ΔM) 0.7 Spectral class
Pri motion ra -004 Sec motion ra -007
Pri motion dec -002 Sec motion dec -006
Notes
rPM=0.542
Nature of this double is uncertain.
 
 
20506+5452 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 50 33 +54 51 57 HJ 1587 AB 2015 13 259 10.4 10.80 12.40 1.60
Show 20 50 33 +54 51 57 DJU 5 AC 2015 5 66 77.9 10.80 12.60 1.80
Show 20 50 41 +54 52 30 DJU 5 CD 2009 5 173 4.0 12.60 13.30 0.70 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2183051375992159104
 
 
WDS 20506+5452 DJU 5 CD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Dju1953a Ma - Djurkovic, P. 1953BOBeo..17....1D
Dju1953a Bull. Obs. Astron. Belgrade 17, #3-4, 1, 1953
Dju1953b Ma - Djurkovic, P. 1953BOBeo..18....1D
Dju1953b +Ca Bull. Obs. Astron. Belgrade 18, #1-2, 1, 1953
Dju1953c Ma - Djurkovic, P. 1953BOBeo..18....1D
Dju1953c Bull. Obs. Astron. Belgrade 18, #3-4, 1, 1953
Dju1954a Ma - Djurkovic, P. 1954BOBeo..19...16D
Dju1954a Bull. Obs. Astron. Belgrade 19, #1, 16, 1954
Dju1954b Ma - Djurkovic, P. 1954BOBeo..19....1D
Dju1954b Bull. Obs. Astron. Belgrade 19, #2, 1, 1954
Dju1954c Ma - Djurkovic, P. 1954BOBeo..19....2D
Dju1954c Bull. Obs. Astron. Belgrade 19, #3, 2, 1954
Dju1955a Ma - Djurkovic, P. 1955BOBeo..20....5D
Dju1955a Bull. Obs. Astron. Belgrade 20, #1-2, 5, 1955
Dju1955b Ma - Djurkovic, P. (measure by Dacic, M.) 1955BOBeo..20....5D
Dju1955b Bull. Obs. Astron. Belgrade 20, #1-2, 5, 1955
Dju1955c Ma - Djurkovic, P. 1955BOBeo..20....3D
Dju1955c Bull. Obs. Astron. Belgrade 20, #3-4, 3, 1955
Dju1956a Ma - Djurkovic, P. 1956BOBeo..21....2D
Dju1956a Bull. Obs. Astron. Belgrade 21, #1-2, 2, 1956
Dju1956b Ma - Djurkovic, P. 1956BOBeo..21...10D
Dju1956b Bull. Obs. Astron. Belgrade 21, #3-4, 10, 1956
Dju1957a Ma - Djurkovic, P. 1957BOBeo..22....1D
Dju1957a Bull. Obs. Astron. Belgrade 22, #1-2, 1, 1957
Dju1957b Ma - Djurkovic, P. 1957BOBeo..22....2D
Dju1957b Bull. Obs. Astron. Belgrade 22, #3-4, 2, 1957
Dju1958 Ma - Djurkovic, P. 1958BOBeo..23....1D
Dju1958 Bull. Obs. Astron. Belgrade 23, #1-2, 1, 1958
Dju1959a Ma - Djurkovic, P. 1959BOBeo..23....1D
Dju1959a Bull. Obs. Astron. Belgrade 23, #3-4, 1, 1959
Dju1959b Ma - Djurkovic, P. 1959BOBeo..24....1D
Dju1959b Bull. Obs. Astron. Belgrade 24, #1-2, 1, 1959
Dju1959c Ma j Djurkovic, P. (measure by Dacic, M.) 1959BOBeo..24....1D
Dju1959c Bull. Obs. Astron. Belgrade 24, #1-2, 1, 1959
Dju1959d Ma - Djurkovic, P. 1959BOBeo..24....1D
Dju1959d Bull. Obs. Astron. Belgrade 24, #3-4, 1, 1959
Dju1960 Ma - Djurkovic, P. 1960BOBeo..25....4D
Dju1960 Bull. Obs. Astron. Belgrade 25, #1, 4, 1960
Dju1964 orb - Djurkovic, P. 1964BOBeo..25..106D
Dju1964 Bull. Obs. Astron. Belgrade 25, 106, 1964
Dju1967 Ma j Djurkovic, P. 1967BOBeo..26...67D
Dju1967 Bull. Obs. Astron. Belgrade 26, #1, 67, 1967
Dju1969 Ma j Djurkovic, P. 1969BOBeo..27....1D
Dju1969 Bull. Obs. Astron. Belgrade 27, #1, 1, 1969
Dju1970 Ma j Djurkovic, P. 1970BOBeo..28...81D
Dju1970 Bull. Obs. Astron. Belgrade 28, 81, 1970
Dju1973 Ma j Djurkovic, P. 1973BOBeo..29...37D
Dju1973 Bull. Obs. Astron. Belgrade 29, 37, 1973
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
20506+5452 DJU 5 CD 2000 3 172 4.5 12.60 13.30 D 205040.79+545229.6
20506+5452 DJU 5 CD 2009 4 173 4.0 12.60 13.30 D 205040.79+545229.6
20506+5452 DJU 5 CD 2010 6 174 3.6 12.60 13.30 205040.79+545229.6

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

 
 
WDS 20506+5452 DJU 5 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20506+5452 DJU 5 CD : MEASURES
 
 
No records found.

 
 
WDS 20506+5452 : VIRTUAL EYEPIECE
 
 

20506+5452 HJ 1587A mag 10.8 20506+5452 HJ 1587B sep 6.2 P.A. 251.00 mag 12.4 20506+5452 DJU   5C sep 78.2 P.A. 65.70 mag 12.6 20506+5452 DJU   5D sep 76.9 P.A. 68.50 mag 13.3 virtual eyepiece
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Radius:
Components only
 
 
WDS 20506+5452 : ALADIN DSS IMAGE @ 20h 50m 40.79s +54° 52' 29.6"
 
 
 
 
WDS 20506+5452 DJU 5 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20506+5452  DJU   5CD distance=1' 20506+5452  HJ 1587AB distance=2' 20506+5452  DJU   5AC distance=2' 20515+5403  ARG  41AB distance=51' 20515+5403  ARG  41BC distance=51' 20474+5407  ES  997 distance=54' 20443+5457  TDT2508 distance=55' 20518+5357  TDT2586 distance=56' 20448+5430  TOI1356 distance=56' 20558+5417  CBL  89 distance=57' 20475+5553  HJ 1580 distance=67' 20455+5401  HLD  41AB distance=69' 20455+5401  HLD  41AC distance=69' 20433+5521  LLO   1 distance=70' 20509+5342  TDT2576 distance=71' 20421+5436  ES  994 distance=76' 20472+5607  KR   52 distance=81' 20414+5454  TDS1090 distance=81' 20585+5539  A  1686 distance=82' 20411+5504  TDS1089 distance=83' 20419+5529  TDT2477 distance=84' 21006+5432  HJ 1605DE distance=87' 21006+5432  HJ 1606AB distance=89' 21006+5432  BU 1498AC distance=89' 21006+5432  HJ 1605AD distance=89' 20402+5427  A  1682 distance=95' 20400+5515  HJ 1562AB distance=95' 20400+5515  VBS  31AC distance=95' 20443+5610  A  1684 distance=96' 20567+5618  ROE  89 distance=97' 20396+5450  ES  993 distance=97' 20403+5413  OSO 129AB distance=99' 20403+5413  OSO 129AC distance=99' 20403+5413  OSO 129AD distance=99' 20403+5413  OSO 129AE distance=99' 21016+5422  A  1439AB distance=101' 21016+5422  A  1439AC distance=101' 20422+5606  OSW  74 distance=103' 20388+5447  STI2550 distance=104' 20385+5453  STI2548 distance=106' 20424+5611  VKI  47 distance=106' 21031+5519  ES 1001 distance=110' 20380+5522  STI2547 distance=113' 20375+5437  STI2546 distance=116' 20376+5429  KPP2376 distance=117' 20404+5615  OSW  73 distance=120' 20369+5429  STI2545 distance=121' 20368+5431  TDT2419 distance=122' 20553+5651  A   752 distance=125' 20424+5312  RAO 618CD distance=125' 21036+5358  HDS2999Aa,Ab distance=126' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20506+5452 DJU 5 CD 173 4.0 1
Show 20506+5452 HJ 1587 AB 259 10.4 2
Show 20506+5452 DJU 5 AC 66 77.9 2
Show 20515+5403 ARG 41 AB 194 11.2 51
Show 20515+5403 ARG 41 BC 250 11.3 51
Show 20474+5407 ES 997 274 3.3 54
Show 20443+5457 TDT2508 82 0.8 55
Show 20518+5357 TDT2586 350 0.8 56
Show 20448+5430 TOI1356 289 0.3 56
Show 20558+5417 CBL 89 150 14.4 57
Show 20475+5553 HJ 1580 245 10.9 67
Show 20455+5401 HLD 41 AB 225 3.7 69
Show 20455+5401 HLD 41 AC 262 9.6 69
Show 20433+5521 LLO 1 20 0.1 70
Show 20509+5342 TDT2576 57 0.7 71
Show 20421+5436 ES 994 11 4.7 76
Show 20472+5607 KR 52 64 4.6 81
Show 20414+5454 TDS1090 226 1.0 81
Show 20585+5539 A 1686 282 1.9 82
Show 20411+5504 TDS1089 252 1.4 83
Show 20419+5529 TDT2477 266 1.2 84
Show 21006+5432 HJ 1605 DE 118 21.3 87
Show 21006+5432 HJ 1606 AB 184 18.7 89
Show 21006+5432 BU 1498 AC 336 54.3 89
Show 21006+5432 HJ 1605 AD 219 207.5 89
Show 20402+5427 A 1682 49 1.4 95
Show 20400+5515 HJ 1562 AB 167 21.7 95
Show 20400+5515 VBS 31 AC 13 45.6 95
Show 20443+5610 A 1684 141 2.1 96
Show 20567+5618 ROE 89 241 5.5 97
Show 20396+5450 ES 993 194 2.0 97
Show 20403+5413 OSO 129 AB 141 10.8 99
Show 20403+5413 OSO 129 AC 115 17.1 99
Show 20403+5413 OSO 129 AD 143 19.9 99
Show 20403+5413 OSO 129 AE 70 19.7 99
Show 21016+5422 A 1439 AB 250 4.4 101
Show 21016+5422 A 1439 AC 342 16.5 101
Show 20422+5606 OSW 74 88 127.2 103
Show 20388+5447 STI2550 183 12.4 104
Show 20385+5453 STI2548 168 13.8 106
Show 20424+5611 VKI 47 340 2.3 106
Show 21031+5519 ES 1001 32 3.6 110
Show 20380+5522 STI2547 86 2.5 113
Show 20375+5437 STI2546 38 8.9 116
Show 20376+5429 KPP2376 92 20.5 117
Show 20404+5615 OSW 73 250 188.6 120
Show 20369+5429 STI2545 159 3.2 121
Show 20368+5431 TDT2419 80 0.8 122
Show 20553+5651 A 752 8 1.2 125
Show 20424+5312 RAO 618 CD 36 0.3 125
Show 21036+5358 HDS2999 Aa,Ab 352 0.3 126

 
 
WDS 20506+5452 : COMPONENTS
 
 
  A B C
B pa=251.0°
sep=6.19"
 
C pa=65.7°
sep=78.23"
pa=66.1°
sep=84.39"
 
D pa=68.5°
sep=76.94"
pa=68.7°
sep=83.13"
pa=175.8°
sep=4.02"
 
 
20506+5452 A
 
 
Coord arcsec 2000 205032.53+545157.4 Mag 10.8 PmRA 19.00 PmDE 21.0
CCDM
Ccdm 20506+5452 RComp Comp A Note1
Note2 Discov num DRAs -3.72 DDEs -3.3
R dRAs 65 Year Theta Rho
Obs 4 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430A
HIC
 
 
20506+5452 B
 
 
Coord arcsec 2000 205031.85+545155.4 Mag 12.4 PmRA -6.00 PmDE -4.0
Calc delta mag 1.6 Calc coord yes
CCDM
Ccdm 20506+5452 RComp Comp B Note1
Note2 Discov num HJ 1587 DRAs DDEs
R dRAs Year 1955 Theta 267 Rho 9.4
Obs 3 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430B
HIC
 
 
20506+5452 C
 
 
Coord arcsec 2000 205040.79+545229.6 Coord calc 205040.79+545229.6 Mag 12.6 PmRA -4.00
PmDE -2.0 Calc delta mag 1.8
CCDM
Ccdm 20506+5452 RComp Comp C Note1
Note2 Discov num DJU DRAs 4.87 DDEs 28.0
R dRAs 65 Year 1954 Theta 066 Rho 79.1
Obs 1 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430C
HIC
 
 
20506+5452 D
 
 
Coord arcsec 2000 205040.82+545225.6 Mag 13.3 PmRA -7.00 PmDE -6.0
Calc delta mag 2.5 Calc coord yes
CCDM
Ccdm 20506+5452 RComp C Comp D Note1
Note2 Discov num DJU DRAs DDEs
R dRAs Year 1954 Theta 167 Rho 3.8
Obs 2 Vmag 13.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14362 M ADS BDS N IDS IDS 20478N5430D
HIC