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Doubles in session


Current system
20387+2910
L 69


Nearby doubles
3' : 20385+2909
HO 458

9' : 20393+2906
HO 136

19' : 20401+2906
TDT2458

21' : 20402+2916
FMR 160

28' : 20374+2847
MLB 483

34' : 20407+2848
MLB 533

35' : 20411+2925
ES 508AB

36' : 20385+2945
COU1172

36' : 20413+2922
ARY 29

39' : 20400+2835
TDS1088

43' : 20403+2947
STF2714

43' : 20378+2951
TDT2435

44' : 20381+2953
A 744

46' : 20371+2830
TDT2426AB

46' : 20406+2948
HO 137AB

47' : 20368+2951
BTN 1

48' : 20371+2953
MLB 663

49' : 20422+2852
MLB 664

49' : 20381+2958
A 743

51' : 20374+2958
HJ 1547

52' : 20368+2955
TDT2421

54' : 20368+2823
MLB 482

55' : 20346+2914
J 565AB

55' : 20422+2939
COU1175

58' : 20423+2837
HJ 1561

58' : 20361+2955
TDT2407



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.

20387+2910 L 69

 
 
20h 38m 43.56s +29° 09' 49.3" P.A. 89.00 sep 3.0 mag 13.50,13.50
 
 
Coord 2000 20387+2910 Discov num L    69 Comp Coord arcsec 2000 20 38 43.56 +29 09 49.3
Date first 1910 Date last 2015 Obs 3
Pa first 91 Pa last 89.3 P.A. Now (θ) 89.3°
Sep first 2.8 Sep last 2.974 Sep. Now (ρ) 2.974"
Mag pri 13.50 Mag sec 13.50 delta mag (ΔM) 0 Spectral class
Pri motion ra -038 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vulpecula Gaia DR2 1857634726319083136
 
 
WDS 20387+2910 L 69 : 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
20387+2910 L 69 1910 1 91 2.8 13.50 13.50 I 203843.56+290949.3
20387+2910 L 69 2000 2 92 3.1 13.50 13.50 DI 203843.56+290949.3
20387+2910 L 69 2015 3 89 3.0 13.50 13.50 203843.56+290949.3

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

 
 
WDS 20387+2910 L 69 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20387+2910 L 69 : MEASURES
 
 
No records found.

 
 
WDS 20387+2910 : VIRTUAL EYEPIECE
 
 

20387+2910 L 69A mag 13.5 20387+2910 L 69B sep 2.6 P.A. 89.20 mag 13.5 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 20387+2910 : ALADIN DSS IMAGE @ 20h 38m 43.56s +29° 09' 49.3"
 
 
 
 
WDS 20387+2910 L 69 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20387+2910 L 69 distance=0' 20385+2909 HO 458 distance=3' 20393+2906 HO 136 distance=9' 20401+2906 TDT2458 distance=19' 20402+2916 FMR 160 distance=21' 20374+2847 MLB 483 distance=28' 20407+2848 MLB 533 distance=34' 20411+2925 ES 508AB distance=35' 20411+2925 ES 508AC distance=35' 20385+2945 COU1172 distance=36' 20378+2943 A 742A,BC distance=36' 20413+2922 ARY 29 distance=36' 20378+2943 A 742BC distance=37' 20400+2835 TDS1088 distance=39' 20403+2947 STF2714 distance=43' 20378+2951 TDT2435 distance=43' 20381+2953 A 744 distance=44' 20371+2830 TDT2426AB distance=46' 20406+2948 HO 137AB distance=46' 20406+2948 GII 290Aa,Ab distance=46' 20368+2951 BTN 1 distance=47' 20371+2953 MLB 663 distance=48' 20422+2852 MLB 664 distance=49' 20381+2958 A 743 distance=49' 20374+2958 HJ 1547 distance=51' 20368+2955 TDT2421 distance=52' 20368+2823 MLB 482 distance=54' 20346+2914 TDT2388Aa,Ab distance=55' 20346+2914 J 565AB distance=55' 20346+2914 J 565AC distance=55' 20422+2939 COU1175 distance=55' 20423+2837 HJ 1561 distance=58' 20361+2955 TDT2407 distance=58' 20412+3001 COU1173 distance=62' 20416+3000 COU1174 distance=63' 20407+3007 TDT2467 distance=63' 20349+2833 MLB 708 distance=63' 20339+2923 MLB 481 distance=64' 20382+2806 MLB 612 distance=64' 20435+2930 NSN 735 distance=66' 20362+3010 TDT2408 distance=69' 20340+2942 TDS1084 distance=70' 20413+3012 ARY 28AB distance=71' 20413+3012 ARY 28AC distance=71' 20331+2852 ES 507AB distance=77' 20331+2852 ES 507AC distance=77' 20331+2852 ES 507AD distance=77' 20331+2852 FYM 137AE distance=77' 20331+2852 FYM 137AF distance=77' 20331+2852 FYM 137AG distance=77' 20331+2852 ES 507DS distance=77' 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 20387+2910 L 69 89 3.0
Show 20385+2909 HO 458 101 2.3 3
Show 20393+2906 HO 136 358 2.6 9
Show 20401+2906 TDT2458 197 2.4 19
Show 20402+2916 FMR 160 215 59.7 21
Show 20374+2847 MLB 483 69 8.6 28
Show 20407+2848 MLB 533 269 3.4 34
Show 20411+2925 ES 508 AB 232 2.5 35
Show 20411+2925 ES 508 AC 226 18.2 35
Show 20385+2945 COU1172 100 0.3 36
Show 20378+2943 A 742 A,BC 343 56.8 36
Show 20413+2922 ARY 29 143 119.3 36
Show 20378+2943 A 742 BC 132 1.2 37
Show 20400+2835 TDS1088 153 0.9 39
Show 20403+2947 STF2714 338 6.8 43
Show 20378+2951 TDT2435 143 2.3 43
Show 20381+2953 A 744 272 0.7 44
Show 20371+2830 TDT2426 AB 259 2.6 46
Show 20406+2948 HO 137 AB 358 0.8 46
Show 20406+2948 GII 290 Aa,Ab 43 0.1 46
Show 20368+2951 BTN 1 1 13.8 47
Show 20371+2953 MLB 663 265 4.3 48
Show 20422+2852 MLB 664 172 4.7 49
Show 20381+2958 A 743 309 1.2 49
Show 20374+2958 HJ 1547 8 17.0 51
Show 20368+2955 TDT2421 159 0.4 52
Show 20368+2823 MLB 482 269 8.5 54
Show 20346+2914 TDT2388 Aa,Ab 297 0.5 55
Show 20346+2914 J 565 AB 48 6.5 55
Show 20346+2914 J 565 AC 88 16.2 55
Show 20422+2939 COU1175 138 3.5 55
Show 20423+2837 HJ 1561 275 9.4 58
Show 20361+2955 TDT2407 124 0.5 58
Show 20412+3001 COU1173 46 1.1 62
Show 20416+3000 COU1174 32 0.3 63
Show 20407+3007 TDT2467 160 0.8 63
Show 20349+2833 MLB 708 306 3.9 63
Show 20339+2923 MLB 481 345 4.0 64
Show 20382+2806 MLB 612 168 6.6 64
Show 20435+2930 NSN 735 111 0.8 66
Show 20362+3010 TDT2408 177 0.4 69
Show 20340+2942 TDS1084 6 1.8 70
Show 20413+3012 ARY 28 AB 332 62.8 71
Show 20413+3012 ARY 28 AC 35 102.2 71
Show 20331+2852 ES 507 AB 295 7.1 77
Show 20331+2852 ES 507 AC 346 36.4 77
Show 20331+2852 ES 507 AD 224 36.8 77
Show 20331+2852 FYM 137 AE 101 42.6 77
Show 20331+2852 FYM 137 AF 176 23.3 77
Show 20331+2852 FYM 137 AG 299 32.9 77
Show 20331+2852 ES 507 DS 146 16.0 77

 
 
WDS 20387+2910 : COMPONENTS
 
 
  A
B pa=89.2°
sep=2.60"
 
 
20387+2910 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203843.56+290949.3 Mag 13.5 PmRA -38.00
PmDE -2.0
 
 
20387+2910 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203843.76+290949.3 Mag 13.5 Calc coord yes