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Doubles in session


Current system
20378+1936
J 3099


Nearby doubles
22' : 20363+1924
KPP 475

33' : 20386+2007
COU 225

35' : 20398+1927
J 2604

39' : 20393+2003
J 3103

50' : 20408+1956
BUP 215AB

51' : 20395+1857
HU 362

51' : 20396+2018
WFC 257

52' : 20385+1848
J 3102

55' : 20410+2001
HJ 2987

55' : 20348+1857
J 790

56' : 20339+1915
J 3094AB

61' : 20343+1857
GRV 354

63' : 20419+1931
COU 226AB

64' : 20376+1835
COU 224

67' : 20365+2044
J 3096AB

68' : 20327+1932
OSO 126AB

68' : 20422+1952
LBU 19AB

70' : 20412+2023
COU 423

71' : 20423+1921
SHN 39

71' : 20375+1828
GRV 363

71' : 20329+1906
COU2644

73' : 20402+2039
SCA 173

73' : 20381+2050
COU 328

74' : 20403+2040
TDT2461

87' : 20435+1953
STF2721

88' : 20436+1944
STF2722



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20378+1936 J 3099

 
 
20h 37m 26.87s +19° 38' 08.9" P.A. 145.00 sep 5.5 mag 13.10,13.60 Sp B9+B5
 
 
Coord 2000 20378+1936 Discov num J  3099 Comp Coord arcsec 2000 20 37 26.87 +19 38 08.9
Date first 1944 Date last 2016 Obs 13
Pa first 155 Pa last 144.9 P.A. Now (θ) 144.9°
Sep first 4.0 Sep last 5.473 Sep. Now (ρ) 5.473"
Mag pri 13.10 Mag sec 13.60 delta mag (ΔM) 0.5 Spectral class B9+B5 (blue-white/blue-white)
Pri motion ra -025 Sec motion ra +023
Pri motion dec +011 Sec motion dec -044
Notes
rPM=1.47
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Gaia DR2 1817207573545093632
 
 
WDS 20378+1936 J 3099 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
J Jonckheere, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20378+1936 J 3099 1944 1 155 4.0 11.12 11.30 203744.76+193649.0
20378+1936 J 3099 2001 4 147 5.5 12.50 12.70 203726.87+193808.9
20378+1936 J 3099 2016 7 145 5.5 13.00 13.60 B9+B5 203726.87+193808.9

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

 
 
WDS 20378+1936 J 3099 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20378+1936 J 3099 : MEASURES
 
 
No records found.

 
 
WDS 20378+1936 : VIRTUAL EYEPIECE
 
 

20378+1936 J 3099A mag 13.1 Sp B9 20378+1936 J 3099B sep 5.5 P.A. 144.90 mag 13.6 Sp B5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20378+1936 : ALADIN DSS IMAGE @ 20h 37m 26.87s +19° 38' 08.9"
 
 
 
 
WDS 20378+1936 J 3099 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20378+1936 J 3099 distance=0' 20363+1924 KPP 475 distance=22' 20386+2007 COU 225 distance=33' 20398+1927 J 2604 distance=35' 20393+2003 J 3103 distance=39' 20408+1956 RAO 23Ca,Cb distance=50' 20408+1956 RAO 23CD distance=50' 20408+1956 RAO 23CE distance=50' 20408+1956 BUP 215AB distance=50' 20408+1956 LDS1045AC distance=50' 20395+1857 HU 362 distance=51' 20396+2018 WFC 257 distance=51' 20385+1848 J 3102 distance=52' 20410+2001 HJ 2987 distance=55' 20348+1857 J 790 distance=55' 20339+1915 J 3094AB distance=56' 20339+1915 FYM 313AC distance=56' 20343+1857 GRV 354 distance=61' 20419+1931 COU 226AB distance=63' 20419+1931 COU 226AC distance=63' 20376+1835 COU 224 distance=64' 20365+2044 J 3096AB distance=67' 20327+1932 OSO 126AB distance=68' 20327+1932 OSO 126AC distance=68' 20327+1932 OSO 126AD distance=68' 20327+1932 OSO 126AE distance=68' 20327+1932 OSO 126AF distance=68' 20365+2044 J 3096BC distance=68' 20422+1952 LBU 19AB distance=68' 20422+1952 LBU 19AC distance=68' 20422+1952 LBU 19AD distance=68' 20412+2023 COU 423 distance=70' 20423+1921 SHN 39 distance=71' 20375+1828 GRV 363 distance=71' 20329+1906 COU2644 distance=71' 20402+2039 SCA 173 distance=73' 20381+2050 COU 328 distance=73' 20403+2040 TDT2461 distance=74' 20435+1953 STF2721 distance=87' 20436+1944 STF2722 distance=88' 20383+2106 TDT2441 distance=89' 20419+2043 BU 673AB distance=90' 20419+2043 BU 673AC distance=90' 20395+1812 BPM2220 distance=91' 20367+1807 GRV 362 distance=92' 20406+2059 TDT2465 distance=92' 20433+1855 TDS1094 distance=94' 20425+1837 TDT2486 distance=95' 20310+2007 HJ 2974 distance=96' 20306+1932 UC 251 distance=97' 20444+1945 CAR 2 distance=98' 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 20378+1936 J 3099 145 5.5 0
Show 20363+1924 KPP 475 113 4.8 22
Show 20386+2007 COU 225 286 0.3 33
Show 20398+1927 J 2604 141 2.2 35
Show 20393+2003 J 3103 224 5.5 39
Show 20408+1956 RAO 23 Ca,Cb 240 0.3 50
Show 20408+1956 RAO 23 CD 303 20.3 50
Show 20408+1956 RAO 23 CE 327 29.4 50
Show 20408+1956 BUP 215 AB 25 69.4 50
Show 20408+1956 LDS1045 AC 184 125.2 50
Show 20395+1857 HU 362 313 0.6 51
Show 20396+2018 WFC 257 317 6.7 51
Show 20385+1848 J 3102 96 6.4 52
Show 20410+2001 HJ 2987 116 10.8 55
Show 20348+1857 J 790 87 2.4 55
Show 20339+1915 J 3094 AB 26 5.9 56
Show 20339+1915 FYM 313 AC 340 15.4 56
Show 20343+1857 GRV 354 9 48.2 61
Show 20419+1931 COU 226 AB 53 0.4 63
Show 20419+1931 COU 226 AC 337 13.9 63
Show 20376+1835 COU 224 322 0.4 64
Show 20365+2044 J 3096 AB 2 26.5 67
Show 20327+1932 OSO 126 AB 198 6.9 68
Show 20327+1932 OSO 126 AC 275 10.3 68
Show 20327+1932 OSO 126 AD 162 16.0 68
Show 20327+1932 OSO 126 AE 338 25.4 68
Show 20327+1932 OSO 126 AF 161 21.8 68
Show 20365+2044 J 3096 BC 10 8.5 68
Show 20422+1952 LBU 19 AB 138 124.7 68
Show 20422+1952 LBU 19 AC 111 94.9 68
Show 20422+1952 LBU 19 AD 23 129.8 68
Show 20412+2023 COU 423 162 0.4 70
Show 20423+1921 SHN 39 54 0.5 71
Show 20375+1828 GRV 363 48 14.1 71
Show 20329+1906 COU2644 286 0.8 71
Show 20402+2039 SCA 173 170 1.5 73
Show 20381+2050 COU 328 155 1.0 73
Show 20403+2040 TDT2461 356 0.5 74
Show 20435+1953 STF2721 21 2.6 87
Show 20436+1944 STF2722 306 7.5 88
Show 20383+2106 TDT2441 89 0.6 89
Show 20419+2043 BU 673 AB 292 3.9 90
Show 20419+2043 BU 673 AC 163 102.6 90
Show 20395+1812 BPM2220 281 105.7 91
Show 20367+1807 GRV 362 81 22.8 92
Show 20406+2059 TDT2465 320 0.5 92
Show 20433+1855 TDS1094 261 1.0 94
Show 20425+1837 TDT2486 76 0.7 95
Show 20310+2007 HJ 2974 297 14.4 96
Show 20306+1932 UC 251 38 39.9 97
Show 20444+1945 CAR 2 57 0.3 98

 
 
WDS 20378+1936 : COMPONENTS
 
 
  A
B pa=144.9°
sep=5.47"
 
 
20378+1936 A
 
 
Coord arcsec 2000 203726.87+193808.9 Mag 13.1 Spectral class B9 (blue-white) PmRA -25.00
PmDE 11.0
 
 
20378+1936 B
 
 
Coord arcsec 2000 203727.09+193804.4 Mag 13.6 Spectral class B5 (blue-white) PmRA 23.00
PmDE -44.0 Delta magnitude 0.5 Coordinate calculated yes