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Current system
20311+1648
J 563 BC


Nearby doubles
30' : 20298+1712
J 510

31' : 20307+1718
BPM2178

33' : 20332+1659
BPM2185

39' : 20294+1617
BPM2174

40' : 20291+1622
BPM2172

43' : 20338+1704
BPM2188

43' : 20281+1654
HEI 180

44' : 20340+1659
BPM2190

46' : 20284+1713
HJ 2969

48' : 20292+1728
BRT2477

49' : 20311+1600
BPM2181

51' : 20280+1624
BPM2170

54' : 20276+1629
GWP2953

54' : 20292+1735
BPMA249

55' : 20348+1644
BPM2195AB

61' : 20352+1659
BPM2199

61' : 20311+1548
A 1675

62' : 20268+1656
HO 129

63' : 20267+1646
TVB 314

65' : 20267+1701
BRT1342

65' : 20348+1726
COU 223AB

68' : 20322+1754
GWP2966

68' : 20345+1735
BPM2191

69' : 20306+1540
GRV 346

71' : 20319+1758
BPM2183

71' : 20269+1727
BPM2164



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.

20311+1648 J 563 BC

 
 
20h 31m 02.69s +16° 48' 40.4" P.A. 215.00 sep 5.1 mag 12.60,13.20
 
 
Coord 2000 20311+1648 Discov num J   563 Comp BC Coord arcsec 2000 20 31 02.69 +16 48 40.4
Date first 1911 Date last 2015 Obs 9
Pa first 192 Pa last 215.2 P.A. Now (θ) 215.2°
Sep first 5.0 Sep last 5.068 Sep. Now (ρ) 5.068"
Mag pri 12.60 Mag sec 13.20 delta mag (ΔM) 0.6 Spectral class
Pri motion ra -008 Sec motion ra -013
Pri motion dec +008 Sec motion dec -017
Notes
rPM=1.191
This double is not physical.
 
 
20311+1648 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 31 03 +16 48 41 ROE 14 AB 2015 10 262 7.0 11.50 12.60 1.10
Show 20 31 03 +16 48 40 J 563 BC 2015 9 215 5.1 12.60 13.20 0.60 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1811892603051057408
 
 
WDS 20311+1648 J 563 BC : 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.
Roe1908 Ma - Roe, E.D. 1908AN....178..169R
Roe1908 AN 178, 169, 1908
Roe1909 Ma - Roe, E.D. 1909AN....181..285R
Roe1909 AN 181, 285, 1909
Roe1910a Ma - Roe, E.D. 1910AJ.....26...93R
Roe1910a AJ 26, 93, 1910
Roe1910b Ma j Roe, E.D. ...................
Roe1910b Journal Astronomique 1, no. 4, 25, 1910
Roe1910c Ma - Roe, E.D. 1910AN....183..197R
Roe1910c AN 183, 197, 1910
Roe1910d Ma j Roe, E.D. 1910PA.....18..354R
Roe1910d Popular Astronomy 18, 354, 1910
Roe1910e Ma j Roe, E.D. 1910PA.....18..554R
Roe1910e Popular Astronomy 18, 554, 1910
Roe1911a Ma - Roe, E.D. 1911AN....187...39R
Roe1911a AN 187, 39, 1911
Roe1911b Ma - Roe, E.D. 1911AN....188..373R
Roe1911b AN 188, 373, 1911
Roe1911c Ma - Roe, E.D. 1911AN....190..137R
Roe1911c AN 190, 137, 1911
Roe1911d Ma j Roe, E.D. 1911PA.....19..383R
Roe1911d Popular Astronomy 19, 383, 1911
Roe1914 Ma j Roe, E.D. 1914AN....199..169R
Roe1914 AN 199, 169, 1914
Roe1915 Ma - Roe, E.D. 1915AN....202..99R
Roe1915 AN 202, 99, 1915
Roe1917 Ma j Roe, E.D. 1917AN....204...21R
Roe1917 AN 204, 21, 1917
Roe1918 Ma - Roe, E.D. 1918AJ.....31..149R
Roe1918 AJ 31, 149, 1918
Roe1919a Ma j Roe, E.D. 1919AJ.....32....6R
Roe1919a AJ 32, 6, 1919
Roe1919b Ma j Roe, E.D. 1919AJ.....32...25R
Roe1919b AJ 32, 25, 1919
Roe1932A - Roe, E.D. 1932QB821.A43......
Roe1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20311+1648 J 563 BC 2000 4 213 5.0 12.00 12.30 D 203102.69+164840.4
20311+1648 J 563 BC 2001 5 213 5.0 12.00 12.30 D 203102.69+164840.4
20311+1648 J 563 BC 2015 6 215 5.1 12.60 13.20 203102.69+164840.4

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

 
 
WDS 20311+1648 J 563 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20311+1648 J 563 BC : MEASURES
 
 
No records found.

 
 
WDS 20311+1648 : VIRTUAL EYEPIECE
 
 

20311+1648 ROE 14A mag 11.5 20311+1648 J 563B sep 7.1 P.A. 262.70 mag 12.6 20311+1648 J 563C sep 11.1 P.A. 242.90 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 20311+1648 : ALADIN DSS IMAGE @ 20h 31m 02.69s +16° 48' 40.4"
 
 
 
 
WDS 20311+1648 J 563 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20311+1648 J 563BC distance=0' 20311+1648 ROE 14AB distance=1' 20298+1712 J 510 distance=30' 20307+1718 BPM2178 distance=31' 20332+1659 BPM2185 distance=33' 20294+1617 BPM2174 distance=39' 20291+1622 BPM2172 distance=40' 20338+1704 BPM2188 distance=43' 20281+1654 HEI 180 distance=43' 20340+1659 BPM2190 distance=44' 20284+1713 HJ 2969 distance=46' 20292+1728 BRT2477 distance=48' 20311+1600 BPM2181 distance=49' 20280+1624 BPM2170 distance=51' 20276+1629 GWP2953 distance=54' 20292+1735 BPMA249 distance=54' 20348+1644 BPM2196BC distance=54' 20348+1644 BPM2195AB distance=55' 20352+1659 BPM2199 distance=61' 20311+1548 A 1675 distance=61' 20268+1656 HO 129 distance=62' 20267+1646 TVB 314 distance=63' 20267+1701 BRT1342 distance=65' 20348+1726 COU 223AB distance=65' 20348+1726 COU 223AC distance=65' 20322+1754 GWP2966 distance=68' 20345+1735 BPM2191 distance=68' 20306+1540 GRV 346 distance=69' 20319+1758 BPM2183 distance=71' 20269+1727 BPM2164 distance=71' 20334+1544 BPM2186 distance=74' 20363+1636 J 3095 distance=75' 20270+1736 BPM2167 distance=75' 20364+1651 BPM2205 distance=77' 20268+1603 GWP2950 distance=77' 20262+1721 BPM2158 distance=77' 20340+1543 CBL 527 distance=79' 20329+1803 HJ 2977 distance=79' 20266+1736 GWP2948 distance=80' 20271+1549 BPM2168 distance=83' 20269+1747 BPM2163 distance=84' 20263+1743 HJ 2962 distance=87' 20324+1524 TDS1080 distance=87' 20278+1805 HJL1103 distance=90' 20270+1541 BPM2165 distance=90' 20253+1609 BPM2150 distance=92' 20374+1626 BPM2212 distance=95' 20259+1549 BPM2154 distance=95' 20352+1803 BPM2200 distance=96' 20255+1555 BPM2152 distance=96' 20351+1533 J 566 distance=97' 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 20311+1648 J 563 BC 215 5.1
Show 20311+1648 ROE 14 AB 262 7.0 1
Show 20298+1712 J 510 248 4.9 30
Show 20307+1718 BPM2178 217 110.0 31
Show 20332+1659 BPM2185 75 70.1 33
Show 20294+1617 BPM2174 211 87.3 39
Show 20291+1622 BPM2172 155 50.8 40
Show 20338+1704 BPM2188 244 105.7 43
Show 20281+1654 HEI 180 166 1.1 43
Show 20340+1659 BPM2190 300 100.0 44
Show 20284+1713 HJ 2969 170 6.0 46
Show 20292+1728 BRT2477 155 4.0 48
Show 20311+1600 BPM2181 57 94.1 49
Show 20280+1624 BPM2170 207 80.4 51
Show 20276+1629 GWP2953 29 69.7 54
Show 20292+1735 BPMA249 155 287.6 54
Show 20348+1644 BPM2196 BC 128 63.7 54
Show 20348+1644 BPM2195 AB 302 71.3 55
Show 20352+1659 BPM2199 210 60.3 61
Show 20311+1548 A 1675 294 0.1 61
Show 20268+1656 HO 129 163 4.7 62
Show 20267+1646 TVB 314 209 17.2 63
Show 20267+1701 BRT1342 90 5.8 65
Show 20348+1726 COU 223 AB 161 0.4 65
Show 20348+1726 COU 223 AC 288 1.3 65
Show 20322+1754 GWP2966 75 121.0 68
Show 20345+1735 BPM2191 324 92.1 68
Show 20306+1540 GRV 346 11 66.6 69
Show 20319+1758 BPM2183 115 110.7 71
Show 20269+1727 BPM2164 20 110.5 71
Show 20334+1544 BPM2186 75 53.0 74
Show 20363+1636 J 3095 185 7.7 75
Show 20270+1736 BPM2167 207 101.3 75
Show 20364+1651 BPM2205 170 47.0 77
Show 20268+1603 GWP2950 44 20.6 77
Show 20262+1721 BPM2158 251 115.1 77
Show 20340+1543 CBL 527 190 50.3 79
Show 20329+1803 HJ 2977 317 20.1 79
Show 20266+1736 GWP2948 182 22.1 80
Show 20271+1549 BPM2168 55 108.3 83
Show 20269+1747 BPM2163 31 113.7 84
Show 20263+1743 HJ 2962 103 13.4 87
Show 20324+1524 TDS1080 286 1.0 87
Show 20278+1805 HJL1103 82 126.5 90
Show 20270+1541 BPM2165 182 62.1 90
Show 20253+1609 BPM2150 238 101.1 92
Show 20374+1626 BPM2212 324 100.7 95
Show 20259+1549 BPM2154 206 93.0 95
Show 20352+1803 BPM2200 303 81.7 96
Show 20255+1555 BPM2152 335 107.4 96
Show 20351+1533 J 566 119 4.1 97

 
 
WDS 20311+1648 : COMPONENTS
 
 
  A B
B pa=262.7°
sep=7.09"
 
C pa=242.9°
sep=11.05"
pa=214.0°
sep=5.00"
 
 
20311+1648 A
 
 
Coord arcsec 2000 203103.18+164841.3 Mag 11.5 PmRA 20.00 PmDE -5.0
 
 
20311+1648 B
 
 
Coord arcsec 2000 203102.69+164840.4 Coord calc 203102.69+164840.4 Mag 12.6 PmRA -8.00
PmDE 8.0 Calc delta mag 1.1
 
 
20311+1648 C
 
 
Coord arcsec 2000 203102.50+164836.3 Mag 13.2 PmRA -13.00 PmDE -17.0
Calc delta mag 1.7 Calc coord yes