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Current system
20280-0318
J 1705


Nearby doubles
9' : 20284-0321
RST4667

26' : 20285-0254
TDT2314

32' : 20300-0311
RST4668

33' : 20266-0343
RST4666

47' : 20249-0327
UC 4171

48' : 20275-0405
TDT2291

51' : 20312-0328
J 1395

53' : 20313-0304
TDT2336

55' : 20268-0225
BRT 500

60' : 20317-0337
GWP2964

61' : 20319-0327
A 734

62' : 20243-0248
UC 4168

64' : 20248-0400
GWP2945

68' : 20324-0330
HJ 919

69' : 20286-0426
TOK 700

72' : 20275-0206
S 749AB

74' : 20244-0408
HJ 915AB

76' : 20248-0220
J 1773

79' : 20227-0319
UC 4161

83' : 20334-0321
HDS2936

86' : 20329-0236
BRT 501

87' : 20305-0436
GWP2963

89' : 20325-0413
A 735

90' : 20258-0154
HJ 2960

104' : 20347-0341
TDT2389

108' : 20212-0353
BRT 498



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.

20280-0318 J 1705

 
 
20h 27m 56.14s -03° 17' 34.8" P.A. 319.00 sep 7.7 mag 10.40,11.80
 
 
Coord 2000 20280-0318 Discov num J  1705 Comp Coord arcsec 2000 20 27 56.14 -03 17 34.8
Date first 1998 Date last 2015 Obs 8
Pa first 320 Pa last 319.2 P.A. Now (θ) 319.2°
Sep first 7.7 Sep last 7.72 Sep. Now (ρ) 7.72"
Mag pri 10.40 Mag sec 11.80 delta mag (ΔM) 1.4 Spectral class
Pri motion ra +005 Sec motion ra -005
Pri motion dec -009 Sec motion dec -004
Notes
rPM=1.086
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Aquila Tycho2 5167-01297-1 Gaia DR2 4219579422978078080
 
 
WDS 20280-0318 J 1705 : 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
20280-0318 J 1705 1941 1 210 6.0 10.35 12.10 202756.14-031734.7
20280-0318 J 1705 2000 3 320 7.7 10.40 11.80 202756.14-031734.8
20280-0318 J 1705 2015 5 319 7.7 10.40 11.80 202756.14-031734.8

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

 
 
WDS 20280-0318 J 1705 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20280-0318 J 1705 : MEASURES
 
 
No records found.

 
 
WDS 20280-0318 : VIRTUAL EYEPIECE
 
 

20280-0318 J 1705A mag 10.4 20280-0318 J 1705B sep 7.7 P.A. 319.20 mag 11.8 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 20280-0318 : ALADIN DSS IMAGE @ 20h 27m 56.14s -03° 17' 34.8"
 
 
 
 
WDS 20280-0318 J 1705 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20280-0318 J 1705 distance=0' 20284-0321 RST4667 distance=9' 20285-0254 TDT2314 distance=26' 20300-0311 RST4668 distance=32' 20266-0343 RST4666 distance=33' 20249-0327 UC 4171 distance=47' 20275-0405 TDT2291 distance=48' 20312-0328 J 1395 distance=51' 20313-0304 TDT2336 distance=53' 20268-0225 BRT 500 distance=55' 20317-0337 GWP2964 distance=60' 20319-0327 A 734 distance=61' 20243-0248 UC 4168 distance=62' 20248-0400 GWP2945 distance=64' 20324-0330 HJ 919 distance=68' 20286-0426 TOK 700 distance=69' 20275-0206 S 749AB distance=72' 20275-0206 S 749AC distance=72' 20275-0206 S 749AD distance=72' 20275-0206 LSC 89Aa,Ab distance=72' 20275-0206 S 749DF distance=72' 20275-0206 S 749CD distance=73' 20275-0206 S 749CE distance=73' 20244-0408 HJ 915AB distance=74' 20244-0408 HJ 915AC distance=74' 20244-0408 ABH 140AD distance=74' 20244-0408 ABH 140AE distance=74' 20244-0408 ABH 140AF distance=74' 20244-0408 ABH 140AG distance=74' 20244-0408 ABH 140AH distance=74' 20248-0220 J 1773 distance=76' 20227-0319 UC 4161 distance=79' 20334-0321 HDS2936 distance=83' 20329-0236 BRT 501 distance=86' 20305-0436 GWP2963 distance=87' 20325-0413 A 735 distance=89' 20258-0154 HJ 2960 distance=90' 20347-0341 TDT2389 distance=104' 20212-0353 BRT 498 distance=108' 20246-0454 A 2598 distance=109' 20345-0421 J 2315 distance=110' 20214-0407 J 1341 distance=118' 20220-0435 NSN 148 distance=119' 20310-0126 UC 4204 distance=120' 20340-0438 TDT2379 distance=122' 20363-0305 KPP1332 distance=126' 20365-0311 TOR 26 distance=129' 20343-0445 BRT 502 distance=129' 20212-0158 BRT 499 distance=130' 20195-0239 KPP 468 distance=133' 20321-0515 A 170 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 20280-0318 J 1705 319 7.7
Show 20284-0321 RST4667 178 9.0 9
Show 20285-0254 TDT2314 238 0.7 26
Show 20300-0311 RST4668 162 2.2 32
Show 20266-0343 RST4666 199 0.5 33
Show 20249-0327 UC 4171 227 64.7 47
Show 20275-0405 TDT2291 87 0.5 48
Show 20312-0328 J 1395 298 5.7 51
Show 20313-0304 TDT2336 146 2.6 53
Show 20268-0225 BRT 500 195 2.5 55
Show 20317-0337 GWP2964 162 24.1 60
Show 20319-0327 A 734 294 2.0 61
Show 20243-0248 UC 4168 194 16.4 62
Show 20248-0400 GWP2945 240 49.2 64
Show 20324-0330 HJ 919 219 24.6 68
Show 20286-0426 TOK 700 235 0.1 69
Show 20275-0206 S 749 AB 189 60.0 72
Show 20275-0206 S 749 AC 329 45.6 72
Show 20275-0206 S 749 AD 269 89.9 72
Show 20275-0206 LSC 89 Aa,Ab 197 0.0 72
Show 20275-0206 S 749 DF 26 6.7 72
Show 20275-0206 S 749 CD 239 77.5 73
Show 20275-0206 S 749 CE 197 18.8 73
Show 20244-0408 HJ 915 AB 335 45.4 74
Show 20244-0408 HJ 915 AC 36 25.1 74
Show 20244-0408 ABH 140 AD 69 14.4 74
Show 20244-0408 ABH 140 AE 102 40.3 74
Show 20244-0408 ABH 140 AF 311 98.1 74
Show 20244-0408 ABH 140 AG 272 94.0 74
Show 20244-0408 ABH 140 AH 241 115.5 74
Show 20248-0220 J 1773 51 4.5 76
Show 20227-0319 UC 4161 1 30.0 79
Show 20334-0321 HDS2936 156 0.2 83
Show 20329-0236 BRT 501 135 4.4 86
Show 20305-0436 GWP2963 324 29.1 87
Show 20325-0413 A 735 271 4.5 89
Show 20258-0154 HJ 2960 232 13.2 90
Show 20347-0341 TDT2389 184 0.6 104
Show 20212-0353 BRT 498 184 3.2 108
Show 20246-0454 A 2598 340 4.2 109
Show 20345-0421 J 2315 319 6.5 110
Show 20214-0407 J 1341 250 3.2 118
Show 20220-0435 NSN 148 124 4.9 119
Show 20310-0126 UC 4204 179 49.4 120
Show 20340-0438 TDT2379 180 3.9 122
Show 20363-0305 KPP1332 228 10.1 126
Show 20365-0311 TOR 26 75 16.5 129
Show 20343-0445 BRT 502 120 3.3 129
Show 20212-0158 BRT 499 252 5.0 130
Show 20195-0239 KPP 468 45 4.6 133
Show 20321-0515 A 170 218 1.7 133

 
 
WDS 20280-0318 : COMPONENTS
 
 
  A
B pa=319.2°
sep=7.71"
 
 
20280-0318 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202756.14-031734.8 Mag 10.4 PmRA 5.00
PmDE -9.0 Tycho2 5167-01297-1 DM BD-03 4903
Tycho2
Tycho2 5167-01297-1 Pflag RAmdeg 306.98392821 DEmdeg -3.29299434
PmRA 32.2 PmDE -0.5 E RAmdeg 18 E DEmdeg 31
E pmRA 2.9 E pmDE 3.3 EpRAm 1989.92 EpDEm 1989.79
Num 3 Q RAmdeg 9.9 Q DEmdeg 4.7 Q pmRA 9.9
Q pmDE 4.8 BTmag 10.956 E BTmag 0.047 VTmag 10.353
E VTmag 0.039 Prox 999 TYC T HIP
CCDM RAdeg 306.98388639 DEdeg -3.29299806 EpRA 1990 1.64
EpDE 1990 1.00 E RAdeg 19.8 E DEdeg 31.3 Posflg
Corr -0.4
 
 
20280-0318 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202755.80-031729.0 Mag 11.8 PmRA -5.00
PmDE -4.0 Calc delta mag 1.4 Calc coord yes