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Current system
20534+1921
J 573


Nearby doubles
14' : 20536+1935
HO 597

33' : 20554+1935
UC 4329

38' : 20509+1907
J 195

39' : 20517+1954
TDT2585

42' : 20553+1852
KPP3364

45' : 20523+1841
UC 4314

46' : 20509+1953
UC 255

48' : 20524+2008
HO 144

52' : 20507+1959
ROE 16AB

66' : 20488+1943
JNN 286

72' : 20582+1942
TDT2663

72' : 20577+1846
GWP3022

73' : 20558+2027
J 606

74' : 20485+1854
HO 459

75' : 20574+2010
HO 640

77' : 20530+1806
UC 4316

81' : 20567+1818
BPM2298

82' : 20579+2009
BRT2486

86' : 20493+2026
HJ 926

87' : 20499+1811
UC 4302

89' : 20479+1840
UC 4292

89' : 20471+1918
HO 141AB

90' : 20472+1901
TDT2538

91' : 20587+1833
RAO 444

94' : 20467+1913
GWP2997

95' : 20466+1915
COU 426



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.

20534+1921 J 573

 
 
20h 53m 18.53s +19° 22' 30.2" P.A. 186.00 sep 4.2 mag 11.80,12.90
 
 
Coord 2000 20534+1921 Discov num J   573 Comp Coord arcsec 2000 20 53 18.53 +19 22 30.2
Date first 1895 Date last 2017 Obs 15
Pa first 187 Pa last 186.4 P.A. Now (θ) 186.4°
Sep first 3.4 Sep last 4.186 Sep. Now (ρ) 4.186"
Mag pri 11.80 Mag sec 12.90 delta mag (ΔM) 1.1 Spectral class
Pri motion ra +006 Sec motion ra -002
Pri motion dec +062 Sec motion dec -040
Notes
rPM=1.643
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1655-00995-1 Gaia DR2 1813582827303906688
 
 
WDS 20534+1921 J 573 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
J__1908 Ma - Jonckheere, R. 1908BuAsI..25..458J
J__1908 Bull. Astronomique 25, 458, 1908
J__1909a Ma - Jonckheere, R. ...................
J__1909a Journal Astronomique 1, no. 1, 1, 1909
J__1909b Ma - Jonckheere, R. ...................
J__1909b Journal Astronomique 1, no. 2, 1909
J__1909c Ma - Jonckheere, R. ...................
J__1909c Journal Astronomique 1, no. 3, 1909
J__1910a Ma j Jonckheere, R. ...................
J__1910a Journal Astronomique 1, no. 4, 25, 1910
J__1910b Ma - Jonckheere, R. ...................
J__1910b Journal Astronomique 1, no. 5, 1910
J__1910c Ma j Jonckheere, R. ...................
J__1910c Journal Astronomique 1, no. 7, 1910
J__1910d Ma - Jonckheere, R. ...................
J__1910d Journal Astronomique 1, no. 7, 1910
J__1910e Ma j Jonckheere, R. ...................
J__1910e Journal Astronomique 1, no. 7, 1910
J__1910f Ma j Jonckheere, R. ...................
J__1910f Journal Astronomique 1, no. 10, 77, 1910
J__1910g Ma - Jonckheere, R. ...................
J__1910g Journal Astronomique 1, no. 11, 81, 1910
J__1910h Ma j Jonckheere, R. ...................
J__1910h Journal Astronomique 1, no. 12, 89, 1910
J__1910i Ma j Jonckheere, R. ...................
J__1910i Journal Astronomique 1, no. 13, 98, 1910
J__1911a Ma - Jonckheere, R. ...................
J__1911a Journal Astronomique 1, no. 15, 114, 1911
J__1911b Ma j Jonckheere, R. ...................
J__1911b Journal Astronomique 1, no. 16, 121, 1911
J__1911c Ma j Jonckheere, R. 1911MNRAS..71..750J
J__1911c MNRAS 71, 750, 1911
J__1911d Ma - Jonckheere, R. 1911MNRAS..72...45J
J__1911d MNRAS 72, 45, 1911
J__1911e Ma - Jonckheere, R. 1911MNRAS..72..156J
J__1911e MNRAS 72, 156, 1911
J__1911f Ma j Jonckheere, R. 1911MNRAS..72..162J
J__1911f MNRAS 72, 162, 1911
J__1912a Ma j Jonckheere, R. 1912MNRAS..72..188J
J__1912a MNRAS 72, 188, 1912
J__1912b Ma j Jonckheere, R. ...................
J__1912b Journal Astronomique 1, no. 17, 129, 1912
J__1912c Ma - Jonckheere, R. ...................
J__1912c Journal Astronomique 1, no. 19, 134, 1912
J__1912d Ma j Jonckheere, R. ...................
J__1912d Journal Astronomique 1, no. 21, 145, 1912
J__1912e Ma - Jonckheere, R. ...................
J__1912e Journal Astronomique 1, no. 22, 148, 1912
J__1912f Ma j Jonckheere, R. ...................
J__1912f Journal Astronomique 1, no. 23, 150, 1912
J__1912g Ma j Jonckheere, R. ...................
J__1912g Journal Astronomique 2, no. 25, 1, 1912
J__1912h Ma - Jonckheere, R. ...................
J__1912h Journal Astronomique 2, no. 26, 5, 1912
J__1913a Ma j Jonckheere, R. ...................
J__1913a Journal Astronomique 2, no. 27, 9, 1913
J__1913b Ma j Jonckheere, R. ...................
J__1913b Journal Astronomique 2, no. 28, 13, 1913
J__1914 Ma - Jonckheere, R. ...................
J__1914 Journal Astronomique 2, no. 29, 18, 1914
J__1917a Ma - Jonckheere, R. 1917MmRAS..61....1J
J__1917a MemRAS 61, 1, 1917
J__1917c Ma j Jonckheere, R. 1917AJ.....31....1J
J__1917c AJ 31, 1, 1917
J__1918 Ma - Jonckheere, R. 1918AJ.....31..113J
J__1918 AJ 31, 113, 1918
J__1918b Ma j Jonckheere, R. 1918MNRAS..78..479J
J__1918b MNRAS 78, 479, 1918
J__1919 Ma j Jonckheere, R. 1919AJ.....32...65J
J__1919 AJ 32, 65, 1919
J__1920 Ma - Jonckheere, R. 1920AJ.....32..166J
J__1920 AJ 32, 166, 1920
J__1924 Ma - Jonckheere, R. 1924AJ.....35..173J
J__1924 +Mb AJ 35, 173, 1924
J__1930 Ma j Jonckheere, R. 1930JO.....13...76J
J__1930 J. Obs. 13, 76, 1930
J__1941a Ma - Jonckheere, R. 1941JO.....24...21J
J__1941a J. Obs. 24, 21, 1941
J__1941b Ma - Jonckheere, R. 1941JO.....24...69J
J__1941b +Mb J. Obs. 24, 69, 1941
J__1941c Ma - Jonckheere, R. 1941JO.....24...93J
J__1941c +Mb J. Obs. 24, 93, 1941
J__1941d Ma - Jonckheere, R. 1941JO.....24..114J
J__1941d +Mb J. Obs. 24, 114, 1941
J__1942a Ma - Jonckheere, R. 1942JO.....25...11J
J__1942a J. Obs. 25, 11, 1942
J__1942b Ma - Jonckheere, R. 1942JO.....25...15J
J__1942b J. Obs. 25, 15, 1942
J__1942c Ma - Jonckheere, R. 1942JO.....25...25J
J__1942c +Mb J. Obs. 25, 25, 1942
J__1942d Mb - Jonckheere, R. 1942JO.....25...78J
J__1942d J. Obs. 25, 78, 1942
J__1943 Ma - Jonckheere, R. 1943JO.....26...28J
J__1943 +Mb J. Obs. 26, 28, 1943
J__1944a Ma j Jonckheere, R. 1944JO.....27....1J
J__1944a +Mb J. Obs. 27, 1, 1944
J__1944b Ma - Jonckheere, R. 1944JO.....27....5J
J__1944b J. Obs. 27, 5, 1944
J__1944c Mb - Jonckheere, R. 1944JO.....27....6J
J__1944c J. Obs. 27, 6, 1944
J__1944d Ma j Jonckheere, R. 1944JO.....27....7J
J__1944d +Mb J. Obs. 27, 7, 1944
J__1944e Ma - Jonckheere, R. 1944JO.....27...11J
J__1944e J. Obs. 27, 11, 1944
J__1945 Ma - Jonckheere, R. 1945JO.....28...26J
J__1945 +Mb J. Obs. 28, 26, 1945
J__1946 Mb j Jonckheere, R. 1946JO.....29...49J
J__1946 J. Obs. 29, 49, 1946
J__1948 Ma j Jonckheere, R. 1948JO.....31...65J
J__1948 J. Obs. 31, 65, 1948
J__1949a Ma j Jonckheere, R. 1949JO.....32...13J
J__1949a +Mb J. Obs. 32, 13, 1949
J__1949b Ma j Jonckheere, R. 1949JO.....32...81J
J__1949b +Mb J. Obs. 32, 81, 1949
J__1952 M+ j Jonckheere, R. 1952JO.....35...37J
J__1952 +Pa J. Obs. 35, 37, 1952
J__1953a Ma - Jonckheere, R. 1953JO.....36...44J
J__1953a J. Obs. 36, 44, 1953
J__1953b Mb j Jonckheere, R. 1953JO.....36...49J
J__1953b J. Obs. 36, 49, 1953
J__1954 Mb j Jonckheere, R. 1954JO.....37...13J
J__1954 J. Obs. 37, 13, 1954
J__1955 Mb - Jonckheere, R. 1955JO.....38..254J
J__1955 J. Obs. 38, 254, 1955
J__1957 Mb j Jonckheere, R. 1957JO.....40....1J
J__1957 J. Obs. 40, 1, 1957
J__1958 Mb j Jonckheere, R. 1958JO.....41..145J
J__1958 J. Obs. 41, 145, 1958
J__1962a M+ j Jonckheere, R. 1962QB821.J64......
J__1962a +Pa General Cat. of Double Stars, Marseille, 1962
J__1962b Ma - Jonckheere, R. (measure by Vanderdonck, J.) 1962QB821.J64......
J__1962b General Cat. of Double Stars, Marseille, 1962
J__1963A - Jonckheere, R. 1963icvd.book.....J
J__1963A cited in IDS (Lick Index Cat.), 1963
J__9999 Ma - Jonckheere, R. ...................
J__9999 +Pp 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
20534+1921 J 573 2001 8 187 3.9 9.50 9.90 D 205318.53+192230.2
20534+1921 J 573 2010 10 185 4.2 11.80 12.90 205318.53+192230.2
20534+1921 J 573 2017 14 186 4.2 11.80 12.90 205318.53+192230.2

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

 
 
WDS 20534+1921 J 573 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20534+1921 J 573 : MEASURES
 
 
No records found.

 
 
WDS 20534+1921 : VIRTUAL EYEPIECE
 
 

20534+1921 J 573A mag 11.8 20534+1921 J 573B sep 4.2 P.A. 186.00 mag 12.9 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 20534+1921 : ALADIN DSS IMAGE @ 20h 53m 18.53s +19° 22' 30.2"
 
 
 
 
WDS 20534+1921 J 573 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20534+1921 J 573 distance=0' 20536+1935 HO 597 distance=14' 20554+1935 UC 4329 distance=33' 20509+1907 J 195 distance=38' 20517+1954 TDT2585 distance=39' 20553+1852 KPP3364 distance=42' 20523+1841 UC 4314 distance=45' 20509+1953 UC 255 distance=46' 20524+2008 HO 144 distance=48' 20507+1959 ROE 16AB distance=52' 20507+1959 ROE 16AC distance=52' 20488+1943 JNN 286 distance=66' 20582+1942 TDT2663 distance=72' 20577+1846 GWP3022 distance=72' 20558+2027 J 606 distance=73' 20485+1854 HO 459 distance=74' 20574+2010 HO 640 distance=75' 20530+1806 UC 4316 distance=77' 20567+1818 BPM2298 distance=81' 20579+2009 BRT2486 distance=82' 20493+2026 HJ 926 distance=86' 20499+1811 UC 4302 distance=87' 20479+1840 UC 4292 distance=89' 20471+1918 HO 141AB distance=89' 20471+1918 HO 141AC distance=89' 20472+1901 TDT2538 distance=90' 20587+1833 RAO 444 distance=91' 20467+1913 GWP2997 distance=94' 20466+1915 COU 426 distance=95' 20579+1812 UC 4345 distance=97' 20587+1823 HU 363 distance=98' 20571+1801 J 607 distance=98' 20570+1758 COU 427 distance=100' 20534+1742 BPM2286 distance=101' 20480+1816 BPM2268 distance=101' 20598+2004 STF2739 distance=101' 20467+1846 YR 28 distance=101' 21005+1920 BU 1497 distance=102' 20556+1744 BPM2297 distance=104' 20535+1734 UC 4319 distance=109' 20518+1736 J 2325 distance=109' 21010+1910 COU 523 distance=110' 20582+1756 BPM2303 distance=111' 20537+2116 J 2327AB distance=114' 20537+2116 KPP3429AD distance=114' 20537+2116 J 2327BC distance=115' 20527+1726 J 605AB distance=117' 20527+1726 J 605AC distance=117' 20555+1730 J 3328 distance=118' 20500+1732 TDS1104 distance=121' 20448+1943 COU 424 distance=123' 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 20534+1921 J 573 186 4.2
Show 20536+1935 HO 597 236 10.3 14
Show 20554+1935 UC 4329 262 32.9 33
Show 20509+1907 J 195 23 3.3 38
Show 20517+1954 TDT2585 272 0.6 39
Show 20553+1852 KPP3364 154 2.7 42
Show 20523+1841 UC 4314 181 49.2 45
Show 20509+1953 UC 255 263 11.9 46
Show 20524+2008 HO 144 350 0.4 48
Show 20507+1959 ROE 16 AB 75 6.0 52
Show 20507+1959 ROE 16 AC 246 8.6 52
Show 20488+1943 JNN 286 179 0.2 66
Show 20582+1942 TDT2663 36 0.9 72
Show 20577+1846 GWP3022 108 5.7 72
Show 20558+2027 J 606 185 2.6 73
Show 20485+1854 HO 459 24 0.5 74
Show 20574+2010 HO 640 257 12.5 75
Show 20530+1806 UC 4316 216 48.9 77
Show 20567+1818 BPM2298 348 78.4 81
Show 20579+2009 BRT2486 165 2.9 82
Show 20493+2026 HJ 926 190 5.8 86
Show 20499+1811 UC 4302 172 82.1 87
Show 20479+1840 UC 4292 105 11.0 89
Show 20471+1918 HO 141 AB 294 1.6 89
Show 20471+1918 HO 141 AC 64 22.6 89
Show 20472+1901 TDT2538 234 1.0 90
Show 20587+1833 RAO 444 194 1.4 91
Show 20467+1913 GWP2997 116 272.0 94
Show 20466+1915 COU 426 158 0.3 95
Show 20579+1812 UC 4345 303 51.5 97
Show 20587+1823 HU 363 101 0.8 98
Show 20571+1801 J 607 305 3.1 98
Show 20570+1758 COU 427 221 1.5 100
Show 20534+1742 BPM2286 19 97.0 101
Show 20480+1816 BPM2268 54 74.1 101
Show 20598+2004 STF2739 252 3.3 101
Show 20467+1846 YR 28 71 0.0 101
Show 21005+1920 BU 1497 337 49.3 102
Show 20556+1744 BPM2297 91 30.5 104
Show 20535+1734 UC 4319 158 67.6 109
Show 20518+1736 J 2325 260 5.4 109
Show 21010+1910 COU 523 139 0.9 110
Show 20582+1756 BPM2303 131 120.5 111
Show 20537+2116 J 2327 AB 48 68.4 114
Show 20537+2116 KPP3429 AD 9 32.9 114
Show 20537+2116 J 2327 BC 175 4.4 115
Show 20527+1726 J 605 AB 241 1.7 117
Show 20527+1726 J 605 AC 161 38.1 117
Show 20555+1730 J 3328 120 4.2 118
Show 20500+1732 TDS1104 299 1.9 121
Show 20448+1943 COU 424 239 5.5 123

 
 
WDS 20534+1921 : COMPONENTS
 
 
  A
B pa=186.0°
sep=4.18"
 
 
20534+1921 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205318.53+192230.2 Mag 11.8 PmRA 6.00
PmDE 62.0 Tycho2 1655-00995-1
Tycho2
Tycho2 1655-00995-1 Pflag RAmdeg 313.32721328 DEmdeg 19.37505466
PmRA 1.8 PmDE -5.3 E RAmdeg 54 E DEmdeg 70
E pmRA 1.4 E pmDE 1.6 EpRAm 1973.17 EpDEm 1960.03
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 12.594 E BTmag 0.234 VTmag 11.425
E VTmag 0.105 Prox 999 TYC HIP
CCDM RAdeg 313.32720861 DEdeg 19.37506833 EpRA 1990 1.60
EpDE 1990 1.21 E RAdeg 60.3 E DEdeg 86.1 Posflg
Corr 0.1
 
 
20534+1921 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205318.50+192226.0 Mag 12.9 PmRA -2.00
PmDE -40.0 Calc delta mag 1.1 Calc coord yes