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Doubles in session


Current system
18399+2019
L 64


Nearby doubles
15' : 18389+2019
L 63

20' : 18369+2019
L 62

38' : 18393+2056
STF2360

46' : 18361+2003
TDS 931

48' : 18405+1936
OSO 102AB

48' : 18369+2021
L 61

53' : 18359+2018
L 60

60' : 18412+2111
TDT 994

61' : 18430+1955
TDS 936

61' : 18365+1931
FMR 231AB

68' : 18355+2104
STF2345

70' : 18368+2120
HU 323

74' : 18425+2116
BRT2448

75' : 18370+1910
J 799

77' : 18444+2003
GRV 238

78' : 18444+2015
ALD 4AB

78' : 18432+1928
BU 645

81' : 18343+2101
TDT 939

81' : 18443+2052
HU 325

87' : 18408+2142
HU 324

90' : 18335+2102
COU 204AB

94' : 18363+2143
COU 206

94' : 18457+2033
HJ 2839AB

101' : 18320+2031
LAW 18

101' : 18353+2145
COU 205

102' : 18338+1911
TDT 936



Selections
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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.

18399+2019 L 64

 
 
18h 39m 06.67s +20° 19' 00.0" P.A. 74.00 sep 4.1 mag 10.50,10.50
 
 
Coord 2000 18399+2019 Discov num L    64 Comp Coord arcsec 2000 18 39 06.67 +20 19 00.0
Date first 1910 Date last 1910 Obs 1
Pa first 74 Pa last 73.8 P.A. Now (θ) 73.8°
Sep first 4.1 Sep last 4.05 Sep. Now (ρ) 4.05"
Mag pri 10.50 Mag sec 10.50 delta mag (ΔM) 0 Spectral class
Pri motion ra Sec motion ra
Pri motion dec Sec motion dec
Notes X (Dubious double)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Coordinate calcolate 1 Coordinate calculated yes
 
 
WDS 18399+2019 L 64 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
L__1891 orb - Lewis, T. 1891MNRAS..51..462L
L__1891 MNRAS 51, 462, 1891
L__1894a Ma - Lewis, T. 1894MNRAS..54..314.
L__1894a MNRAS 54, 314, 1894
L__1894b Ma - Lewis, T. (measure by Edney, D.J.) 1894MNRAS..54..314.
L__1894b MNRAS 54, 314, 1894
L__1894c Ma j Lewis, T. (measure by Turner, H.) 1894MNRAS..54..314.
L__1894c MNRAS 54, 314, 1894
L__1894d Ma - Lewis, T. 1894RGOO...........
L__1894d Greenwich Observations, 1894
L__1894e orb - Lewis, T. 1894MNRAS..55...19L
L__1894e MNRAS 55, 19, 1894; MNRAS 55, 341, 1894
L__1895a Ma - Lewis, T. 1895RGOO...........
L__1895a Greenwich Observations, 1895
L__1895b Ma - Lewis, T. (measure by Bowyer, W.M.) 1895RGOO...........
L__1895b Greenwich Observations, 1895
L__1895c Ma - Lewis, T. (measure by Christie, W.H.) 1895RGOO...........
L__1895c Greenwich Observations, 1895
L__1895d Ma - Lewis, T. (measure by Hollis, H.P.) 1895RGOO...........
L__1895d Greenwich Observations, 1895
L__1895e Ma - Lewis, T. (measure by Maunder, E.W.) 1895RGOO...........
L__1895e Greenwich Observations, 1895
L__1895f Ma - Lewis, T. (measure by Niblett) 1895RGOO...........
L__1895f Greenwich Observations, 1895
L__1895g orb - Lewis, T. 1895MNRAS..56...33L
L__1895g MNRAS 56, 33, 1895
L__1896a Ma j Lewis, T. 1896RGOO...........
L__1896a Greenwich Observations, 1896 (data also in MNRAS 59, 400, 1899) 1899MNRAS..59..400.
L__1896b Ma - Lewis, T. (measure by Edney, D.J.) 1896RGOO...........
L__1896b Greenwich Observations, 1896 (data also in MNRAS 59, 400, 1899) 1899MNRAS..59..400.
L__1896c Ma j Lewis, T. (measure by Melotte, P.) 1896RGOO...........
L__1896c Greenwich Observations, 1896 (data also in MNRAS 59, 400, 1899) 1899MNRAS..59..400.
L__1896d Ma - Lewis, T. (measure by Niblett) 1896RGOO...........
L__1896d Greenwich Observations, 1896 (data also in MNRAS 59, 400, 1899) 1899MNRAS..59..400.
L__1897 Ma - Lewis, T. 1897RGOO...........
L__1897 +Po Greenwich Observations, 1897
L__1898a Ma j Lewis, T. 1898RGOO...........
L__1898a Greenwich Observations, 1898
L__1898b Ma - Lewis, T. (measure by Cowell, P.H.) 1898RGOO...........
L__1898b Greenwich Observations, 1898
L__1898c Ma - Lewis, T. (measure by Melotte, P.) 1898RGOO...........
L__1898c Greenwich Observations, 1898
L__1899a Ma j Lewis, T. 1899RGOO...........
L__1899a Greenwich Observations, 1899 (data also in MNRAS 60, 494, 1900) 1900MNRAS..60..494.
L__1899b Ma - Lewis, T. (measure by Cowell, P.H.) 1899RGOO...........
L__1899b Greenwich Observations, 1899 (data also in MNRAS 60, 494, 1900) 1900MNRAS..60..494.
L__1899c Ma - Lewis, T. (measure by Dyson, F.) 1899RGOO...........
L__1899c Greenwich Observations, 1899 (data also in MNRAS 60, 494, 1900) 1900MNRAS..60..494.
L__1899d Ma j Lewis, T. (measure by Melotte, P.) 1899RGOO...........
L__1899d Greenwich Observations, 1899 (data also in MNRAS 60, 494, 1900) 1900MNRAS..60..494.
L__1900 Ma j Lewis, T. 1900RGOO...........
L__1900 Greenwich Observations, 1900 (data also in MNRAS 61, 486, 1901) 1901MNRAS..61..486.
L__1900c Ma - Lewis, T. 1900MNRAS..60..595.
L__1900c MNRAS 60, 595, 1900
L__1901 Ma - Lewis, T. 1901RGOO...........
L__1901 Greenwich Observations, 1901 (data also in MNRAS 62, 383, 1902) 1902MNRAS..62..383E
L__1902a Ma - Lewis, T. 1902RGOO...........
L__1902a Greenwich Observations, 1902 (data also in MNRAS 63, 403, 1903) 1903MNRAS..63..403.
L__1903 Ma - Lewis, T. 1903RGOO...........
L__1903 Greenwich Observations, 1903 (data also in MNRAS 64, 789, 1904) 1904MNRAS..64..789.
L__1904 Ma j Lewis, T. 1904RGOO...........
L__1904 Greenwich Observations, 1904 (data also in MNRAS 66, 17, 1905) 1905MNRAS..66...17L
L__1905 Ma - Lewis, T. 1905RGOO...........
L__1905 Greenwich Observations, 1905
L__1906a Ma - Lewis, T. 1906RGOO...........
L__1906a Greenwich Observations, 1906 (data also in MNRAS 68, 39, 1907) 1907MNRAS..68...39.
L__1906b Ma - Lewis, T. 1906MmRAS..56....1L
L__1906b +orb MemRAS 56, 1906
L__1907 Ma j Lewis, T. 1907RGOO...........
L__1907 Greenwich Observations, 1907 (data also in MNRAS 68, 525, 1908) 1908MNRAS..68..525L
L__1908 Ma - Lewis, T. 1908RGOO...........
L__1908 Greenwich Observations, 1908 (data also in MNRAS 69, 588, 1909) 1909MNRAS..69..588.
L__1909 Ma - Lewis, T. 1909RGOO...........
L__1909 Greenwich Observations, 1909 (data also in MNRAS 70, 630, 1910) 1910MNRAS..70..630.
L__1911 Ma j Lewis, T. 1911MNRAS..71..728.
L__1911 MNRAS 71, 728, 1911
L__1912 Ma - Lewis, T. 1912MNRAS..73...93E
L__1912 MNRAS 73, 93, 1912 (all data also in L__1921)
L__1921 Ma - Lewis, T. .
L__1921 Greenwich Cat. of Double Stars, 1921
L__1932A Ma - Lewis, T. 1932QB821.A43......
L__1932A cited in ADS (Aitken Double Star Cat.), 1932
L__1937A Ma - Lewis, T. 1937AnLei..18....1S
L__1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18399+2019 L 64 1910 1 74 4.1 10.50 10.50

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

 
 
WDS 18399+2019 L 64 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18399+2019 L 64 : MEASURES
 
 
No records found.

 
 
WDS 18399+2019 : VIRTUAL EYEPIECE
 
 

18399+2019 L 64A mag 10.5 18399+2019 L 64B sep 3.8 P.A. 72.80 mag 10.5 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 18399+2019 : ALADIN DSS IMAGE @ 18h 39m 06.67s +20° 19' 00.0"
 
 
 
 
WDS 18399+2019 L 64 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18399+2019 L 64 distance=0' 18389+2019 L 63 distance=15' 18369+2019 L 62 distance=20' 18393+2056 STF2360 distance=38' 18361+2003 TDS 931 distance=46' 18405+1936 OSO 102AB distance=48' 18405+1936 OSO 102AC distance=48' 18369+2021 L 61 distance=48' 18359+2018 L 60 distance=53' 18412+2111 TDT 994 distance=60' 18430+1955 TDS 936 distance=61' 18365+1931 FMR 231AB distance=61' 18365+1931 RAO 394Aa,Ab distance=61' 18355+2104 STF2345 distance=68' 18368+2120 HU 323 distance=70' 18425+2116 BRT2448 distance=74' 18370+1910 J 799 distance=75' 18444+2003 GRV 238 distance=77' 18444+2015 ALD 4AB distance=78' 18444+2015 DAM 640AC distance=78' 18432+1928 BU 645 distance=78' 18343+2101 TDT 939 distance=81' 18443+2052 HU 325 distance=81' 18408+2142 HU 324 distance=87' 18335+2102 COU 204AB distance=90' 18363+2143 COU 206 distance=94' 18457+2033 HJ 2839AB distance=94' 18457+2033 HJ 2839AC distance=94' 18457+2033 HJ 2839AD distance=94' 18457+2033 HJ 2839AE distance=94' 18320+2031 LAW 18 distance=101' 18353+2145 COU 205 distance=101' 18338+1911 TDT 936 distance=102' 18372+1839 TDT 961 distance=104' 18445+1913 J 466 distance=105' 18316+2030 COU 119 distance=107' 18423+1842 TDT1012 distance=107' 18433+1847 COU 816 distance=110' 18366+2206 HJ 2834 distance=113' 18474+1957 TDT1056 distance=119' 18343+1841 MET 85AB distance=119' 18343+1841 MET 85AC distance=119' 18343+1841 MET 85AD distance=119' 18343+1841 MET 85AE distance=119' 18343+1841 MET 85AF distance=119' 18426+2209 COU 208 distance=121' 18389+2222 COU 207 distance=124' 18402+1815 TDT 986 distance=126' 18420+2221 TDT1008 distance=129' 18482+2028 TDT1060 distance=129' 18406+2230 TDT 989 distance=133' 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 18399+2019 L 64 74 4.1
Show 18389+2019 L 63 63 2.7 15
Show 18369+2019 L 62 314 6.2 20
Show 18393+2056 STF2360 358 2.5 38
Show 18361+2003 TDS 931 49 1.2 46
Show 18405+1936 OSO 102 AB 99 17.3 48
Show 18405+1936 OSO 102 AC 36 20.3 48
Show 18369+2021 L 61 279 5.4 48
Show 18359+2018 L 60 188 2.5 53
Show 18412+2111 TDT 994 27 0.7 60
Show 18430+1955 TDS 936 157 2.0 61
Show 18365+1931 FMR 231 AB 86 15.1 61
Show 18365+1931 RAO 394 Aa,Ab 233 0.2 61
Show 18355+2104 STF2345 225 12.3 68
Show 18368+2120 HU 323 143 0.2 70
Show 18425+2116 BRT2448 294 3.8 74
Show 18370+1910 J 799 78 2.6 75
Show 18444+2003 GRV 238 345 36.6 77
Show 18444+2015 ALD 4 AB 338 4.1 78
Show 18444+2015 DAM 640 AC 169 11.0 78
Show 18432+1928 BU 645 305 9.3 78
Show 18343+2101 TDT 939 180 0.5 81
Show 18443+2052 HU 325 6 0.4 81
Show 18408+2142 HU 324 113 0.9 87
Show 18335+2102 COU 204 AB 130 11.9 90
Show 18363+2143 COU 206 149 0.1 94
Show 18457+2033 HJ 2839 AB 57 74.8 94
Show 18457+2033 HJ 2839 AC 59 73.0 94
Show 18457+2033 HJ 2839 AD 336 25.4 94
Show 18457+2033 HJ 2839 AE 13 61.1 94
Show 18320+2031 LAW 18 18 1.4 101
Show 18353+2145 COU 205 148 0.1 101
Show 18338+1911 TDT 936 349 0.8 102
Show 18372+1839 TDT 961 332 0.8 104
Show 18445+1913 J 466 214 2.9 105
Show 18316+2030 COU 119 229 0.7 107
Show 18423+1842 TDT1012 32 0.5 107
Show 18433+1847 COU 816 293 0.2 110
Show 18366+2206 HJ 2834 246 19.7 113
Show 18474+1957 TDT1056 171 4.6 119
Show 18343+1841 MET 85 AB 87 1.8 119
Show 18343+1841 MET 85 AC 35 2.7 119
Show 18343+1841 MET 85 AD 307 6.2 119
Show 18343+1841 MET 85 AE 114 6.9 119
Show 18343+1841 MET 85 AF 182 12.3 119
Show 18426+2209 COU 208 304 0.3 121
Show 18389+2222 COU 207 298 1.6 124
Show 18402+1815 TDT 986 145 0.5 126
Show 18420+2221 TDT1008 41 2.4 129
Show 18482+2028 TDT1060 175 0.6 129
Show 18406+2230 TDT 989 233 2.4 133

 
 
WDS 18399+2019 : COMPONENTS
 
 
  A
B pa=72.8°
sep=3.82"
 
 
18399+2019 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183906.67+201900.0 Mag 10.5 Calc coord yes
 
 
18399+2019 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183906.93+201901.1 Mag 10.5 Calc coord yes