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Current system
20305+1829
J 2313


Nearby doubles
36' : 20283+1846
HO 131AB

37' : 20319+1758
BPM2183

43' : 20322+1754
GWP2966

43' : 20329+1803
HJ 2977

46' : 20278+1805
HJL1103

52' : 20329+1906
COU2644

57' : 20302+1925
BU 987AB

58' : 20292+1735
BPMA249

62' : 20343+1857
GRV 354

63' : 20306+1932
UC 251

65' : 20292+1728
BRT2477

67' : 20339+1915
J 3094AB

68' : 20269+1747
BPM2163

69' : 20348+1857
J 790

70' : 20327+1932
OSO 126AB

71' : 20307+1718
BPM2178

73' : 20352+1803
BPM2200

73' : 20270+1736
BPM2167

77' : 20263+1743
HJ 2962

77' : 20278+1935
TDT2296

78' : 20266+1736
GWP2948

78' : 20298+1712
J 510

79' : 20345+1735
BPM2191

81' : 20269+1727
BPM2164

83' : 20284+1713
HJ 2969

88' : 20348+1726
COU 223AB



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.

20305+1829 J 2313

 
 
20h 30m 30.18s +18° 29' 07.8" P.A. 137.00 sep 6.2 mag 11.50,13.20
 
 
Coord 2000 20305+1829 Discov num J  2313 Comp Coord arcsec 2000 20 30 30.18 +18 29 07.8
Date first 1942 Date last 2015 Obs 8
Pa first 110 Pa last 137.2 P.A. Now (θ) 137.2°
Sep first 5.0 Sep last 6.206 Sep. Now (ρ) 6.206"
Mag pri 11.50 Mag sec 13.20 delta mag (ΔM) 1.7 Spectral class
Pri motion ra +015 Sec motion ra
Pri motion dec +007 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1636-01503-1 Gaia DR2 1815161416768102272
 
 
WDS 20305+1829 J 2313 : 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
20305+1829 J 2313 1944 2 105 5.0 9.50 11.90
20305+1829 J 2313 2000 4 132 6.0 9.50 11.90 203030.18+182907.8
20305+1829 J 2313 2001 5 133 6.0 9.50 11.90 203030.18+182907.8
20305+1829 J 2313 2015 5 137 6.2 11.50 13.20 203030.18+182907.8

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

 
 
WDS 20305+1829 J 2313 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20305+1829 J 2313 : MEASURES
 
 
No records found.

 
 
WDS 20305+1829 : VIRTUAL EYEPIECE
 
 

20305+1829 J 2313A mag 11.5 20305+1829 J 2313B sep 6.1 P.A. 138.70 mag 13.2 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 20305+1829 : ALADIN DSS IMAGE @ 20h 30m 30.18s +18° 29' 07.8"
 
 
 
 
WDS 20305+1829 J 2313 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20305+1829 J 2313 distance=0' 20283+1846 HO 131AB distance=36' 20283+1846 HO 131AC distance=36' 20283+1846 HO 131AD distance=36' 20319+1758 BPM2183 distance=37' 20322+1754 GWP2966 distance=43' 20329+1803 HJ 2977 distance=43' 20278+1805 HJL1103 distance=46' 20329+1906 COU2644 distance=52' 20302+1925 BU 987AB distance=57' 20302+1925 S 752AC distance=57' 20302+1925 FOX 254AE distance=57' 20302+1925 FOX 254CD distance=57' 20292+1735 BPMA249 distance=58' 20343+1857 GRV 354 distance=62' 20306+1932 UC 251 distance=63' 20292+1728 BRT2477 distance=65' 20339+1915 J 3094AB distance=67' 20339+1915 FYM 313AC distance=67' 20269+1747 BPM2163 distance=68' 20348+1857 J 790 distance=69' 20327+1932 OSO 126AB distance=70' 20327+1932 OSO 126AC distance=70' 20327+1932 OSO 126AD distance=70' 20327+1932 OSO 126AE distance=70' 20327+1932 OSO 126AF distance=70' 20307+1718 BPM2178 distance=71' 20352+1803 BPM2200 distance=73' 20270+1736 BPM2167 distance=73' 20263+1743 HJ 2962 distance=77' 20278+1935 TDT2296 distance=77' 20266+1736 GWP2948 distance=78' 20298+1712 J 510 distance=78' 20345+1735 BPM2191 distance=79' 20269+1727 BPM2164 distance=81' 20284+1713 HJ 2969 distance=83' 20348+1726 COU 223AB distance=88' 20348+1726 COU 223AC distance=88' 20267+1940 GWP2949 distance=89' 20367+1807 GRV 362 distance=92' 20262+1721 BPM2158 distance=92' 20247+1747 BPMA247 distance=93' 20243+1909 HU 361 distance=97' 20338+1704 BPM2188 distance=97' 20332+1659 BPM2185 distance=98' 20310+2007 HJ 2974 distance=99' 20363+1924 KPP 475 distance=100' 20375+1828 GRV 363 distance=100' 20235+1811 J 839 distance=101' 20311+1648 ROE 14AB distance=101' 20311+1648 J 563BC distance=101' 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 20305+1829 J 2313 137 6.2
Show 20283+1846 HO 131 AB 334 3.4 36
Show 20283+1846 HO 131 AC 69 64.4 36
Show 20283+1846 HO 131 AD 97 76.9 36
Show 20319+1758 BPM2183 115 110.7 37
Show 20322+1754 GWP2966 75 121.0 43
Show 20329+1803 HJ 2977 317 20.1 43
Show 20278+1805 HJL1103 82 126.5 46
Show 20329+1906 COU2644 286 0.8 52
Show 20302+1925 BU 987 AB 128 2.5 57
Show 20302+1925 S 752 AC 288 106.3 57
Show 20302+1925 FOX 254 AE 70 21.2 57
Show 20302+1925 FOX 254 CD 301 35.0 57
Show 20292+1735 BPMA249 155 287.6 58
Show 20343+1857 GRV 354 9 48.2 62
Show 20306+1932 UC 251 38 39.9 63
Show 20292+1728 BRT2477 155 4.0 65
Show 20339+1915 J 3094 AB 22 7.5 67
Show 20339+1915 FYM 313 AC 340 15.4 67
Show 20269+1747 BPM2163 31 113.7 68
Show 20348+1857 J 790 87 2.4 69
Show 20327+1932 OSO 126 AB 198 6.9 70
Show 20327+1932 OSO 126 AC 275 10.3 70
Show 20327+1932 OSO 126 AD 170 23.2 70
Show 20327+1932 OSO 126 AE 338 25.4 70
Show 20327+1932 OSO 126 AF 161 21.8 70
Show 20307+1718 BPM2178 217 110.0 71
Show 20352+1803 BPM2200 303 81.7 73
Show 20270+1736 BPM2167 207 101.3 73
Show 20263+1743 HJ 2962 103 13.4 77
Show 20278+1935 TDT2296 359 1.6 77
Show 20266+1736 GWP2948 182 22.1 78
Show 20298+1712 J 510 248 4.9 78
Show 20345+1735 BPM2191 324 92.1 79
Show 20269+1727 BPM2164 20 110.5 81
Show 20284+1713 HJ 2969 170 6.0 83
Show 20348+1726 COU 223 AB 161 0.4 88
Show 20348+1726 COU 223 AC 288 1.3 88
Show 20267+1940 GWP2949 267 111.9 89
Show 20367+1807 GRV 362 81 22.8 92
Show 20262+1721 BPM2158 251 115.1 92
Show 20247+1747 BPMA247 40 194.2 93
Show 20243+1909 HU 361 198 0.6 97
Show 20338+1704 BPM2188 244 105.7 97
Show 20332+1659 BPM2185 75 70.1 98
Show 20310+2007 HJ 2974 297 14.4 99
Show 20363+1924 KPP 475 113 4.8 100
Show 20375+1828 GRV 363 48 14.1 100
Show 20235+1811 J 839 347 2.1 101
Show 20311+1648 ROE 14 AB 262 7.0 101
Show 20311+1648 J 563 BC 215 5.1 101

 
 
WDS 20305+1829 : COMPONENTS
 
 
  A
B pa=138.7°
sep=6.06"
 
 
20305+1829 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203030.18+182907.8 Mag 11.5 PmRA 15.00
PmDE 7.0 Tycho2 1636-01503-1
Tycho2
Tycho2 1636-01503-1 Pflag RAmdeg 307.62578838 DEmdeg 18.48559766
PmRA 18.4 PmDE 12.3 E RAmdeg 94 E DEmdeg 103
E pmRA 2.1 E pmDE 2.2 EpRAm 1954.95 EpDEm 1947.31
Num 3 Q RAmdeg 0.9 Q DEmdeg 2.7 Q pmRA 1.0
Q pmDE 2.8 BTmag 12.617 E BTmag 0.247 VTmag 12.148
E VTmag 0.223 Prox 999 TYC HIP
CCDM RAdeg 307.62574444 DEdeg 18.48556361 EpRA 1990 1.73
EpDE 1990 1.53 E RAdeg 121.0 E DEdeg 142.6 Posflg
Corr 0.0
 
 
20305+1829 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203030.46+182903.2 Mag 13.2 Calc delta mag 1.7
Calc coord yes