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Doubles in session


Current system
20280+1244
J 1241


Nearby doubles
21' : 20279+1224
TDT2297

25' : 20272+1306
BPM2169

32' : 20270+1312
BPM2166

33' : 20260+1257
BPM2155

42' : 20307+1233
BPM2177

44' : 20260+1212
J 1704

46' : 20311+1248
J 562

46' : 20311+1247
J 3244

52' : 20249+1309
J 841AB

53' : 20293+1155
BPM2173AB

55' : 20310+1213
GRV 348

56' : 20244+1301
HU 1198

61' : 20266+1148
BPM2161

61' : 20298+1154
J 1243

61' : 20244+1213
A 1209AB

63' : 20238+1235
BRT1341

64' : 20310+1200
DAM 673

64' : 20238+1301
TDT2235

65' : 20239+1217
GRV 337

65' : 20313+1201
BRT1345

67' : 20321+1220
HJ 1528

70' : 20233+1245
GWP2942

75' : 20316+1150
J 3

75' : 20306+1349
HDS2932

76' : 20308+1347
STF2688

78' : 20324+1202
GRV 351



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+1244 J 1241

 
 
20h 28m 00.11s +12° 44' 08.1" P.A. 172.00 sep 1.3 mag 10.10,12.10 Sp F8
 
 
Coord 2000 20280+1244 Discov num J  1241 Comp Coord arcsec 2000 20 28 00.11 +12 44 08.1
Date first 1915 Date last 2016 Obs 5
Pa first 177 Pa last 171.8 P.A. Now (θ) 171.8°
Sep first 1.3 Sep last 1.331 Sep. Now (ρ) 1.331"
Mag pri 10.10 Mag sec 12.10 delta mag (ΔM) 2 Spectral class F8 (yellow-white)
Pri motion ra +041 Sec motion ra
Pri motion dec -039 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1095-01591-1 Gaia DR2 1803755529815049856
 
 
WDS 20280+1244 J 1241 : 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+1244 J 1241 1984 4 168 1.1 10.33 12.30 F8 202800.11+124408.1
20280+1244 J 1241 2016 5 172 1.3 10.10 12.10 F8 202800.11+124408.1

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

 
 
WDS 20280+1244 J 1241 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20280+1244 J 1241 : MEASURES
 
 
No records found.

 
 
WDS 20280+1244 : VIRTUAL EYEPIECE
 
 

20280+1244 J 1241A mag 10.1 Sp F8 20280+1244 J 1241B sep 1.3 P.A. 172.00 mag 12.1 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+1244 : ALADIN DSS IMAGE @ 20h 28m 00.11s +12° 44' 08.1"
 
 
 
 
WDS 20280+1244 J 1241 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20280+1244 J 1241 distance=1' 20279+1224 TDT2297 distance=21' 20272+1306 BPM2169 distance=25' 20270+1312 BPM2166 distance=32' 20260+1257 BPM2155 distance=33' 20307+1233 BPM2177 distance=42' 20260+1212 J 1704 distance=44' 20311+1248 J 562 distance=46' 20311+1247 J 3244 distance=46' 20249+1309 J 841AB distance=52' 20249+1309 J 841AB,C distance=52' 20293+1155 BPM2173AB distance=53' 20293+1155 BPM2173AC distance=53' 20310+1213 GRV 348 distance=55' 20244+1301 HU 1198 distance=56' 20266+1148 BPM2161 distance=61' 20298+1154 J 1243 distance=61' 20244+1213 WOR 33Aa,Ab distance=61' 20244+1213 A 1209AB distance=61' 20238+1235 BRT1341 distance=63' 20310+1200 DAM 673 distance=64' 20238+1301 TDT2235 distance=64' 20239+1217 GRV 337 distance=65' 20313+1201 BRT1345 distance=65' 20321+1220 HJ 1528 distance=67' 20233+1245 GWP2942 distance=70' 20316+1150 J 3 distance=75' 20306+1349 HDS2932 distance=75' 20308+1347 STF2688 distance=76' 20324+1202 GRV 351 distance=78' 20227+1320 STF2674CD distance=84' 20227+1320 STF2673AB distance=86' 20227+1320 STF2673AC distance=86' 20337+1222 BPM2187 distance=87' 20327+1151 BPM2184 distance=87' 20340+1244 TDT2378 distance=89' 20329+1336 BRT1346 distance=89' 20306+1404 AG 408 distance=89' 20309+1126 LAU 4AB distance=89' 20309+1126 STJ 5Aa,Ab distance=89' 20310+1402 BPM2180 distance=90' 20270+1116 HJ 268 distance=90' 20228+1156 BPM2135 distance=91' 20288+1114 UC 4195 distance=91' 20329+1142 J 1AB distance=94' 20329+1142 UC 4212AC distance=94' 20249+1124 J 840 distance=94' 20285+1110 BPM2171 distance=95' 20321+1358 HJ 1527 distance=95' 20340+1206 MAD 8 distance=96' 20229+1346 J 3082AB distance=96' 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+1244 J 1241 172 1.3 1
Show 20279+1224 TDT2297 237 0.9 21
Show 20272+1306 BPM2169 263 28.1 25
Show 20270+1312 BPM2166 59 25.3 32
Show 20260+1257 BPM2155 31 119.0 33
Show 20307+1233 BPM2177 220 71.0 42
Show 20260+1212 J 1704 202 6.2 44
Show 20311+1248 J 562 146 2.2 46
Show 20311+1247 J 3244 153 4.4 46
Show 20249+1309 J 841 AB 133 0.2 52
Show 20249+1309 J 841 AB,C 82 8.4 52
Show 20293+1155 BPM2173 AB 21 4.6 53
Show 20293+1155 BPM2173 AC 35 34.0 53
Show 20310+1213 GRV 348 81 14.8 55
Show 20244+1301 HU 1198 33 0.6 56
Show 20266+1148 BPM2161 343 104.2 61
Show 20298+1154 J 1243 121 3.2 61
Show 20244+1213 WOR 33 Aa,Ab 131 0.6 61
Show 20244+1213 A 1209 AB 324 1.9 61
Show 20238+1235 BRT1341 168 3.6 63
Show 20310+1200 DAM 673 251 13.3 64
Show 20238+1301 TDT2235 260 0.7 64
Show 20239+1217 GRV 337 170 62.5 65
Show 20313+1201 BRT1345 197 4.9 65
Show 20321+1220 HJ 1528 237 10.2 67
Show 20233+1245 GWP2942 269 9.1 70
Show 20316+1150 J 3 130 2.1 75
Show 20306+1349 HDS2932 319 0.2 75
Show 20308+1347 STF2688 175 7.9 76
Show 20324+1202 GRV 351 12 70.6 78
Show 20227+1320 STF2674 CD 1 15.0 84
Show 20227+1320 STF2673 AB 326 2.4 86
Show 20227+1320 STF2673 AC 100 76.5 86
Show 20337+1222 BPM2187 283 103.7 87
Show 20327+1151 BPM2184 293 59.7 87
Show 20340+1244 TDT2378 129 1.4 89
Show 20329+1336 BRT1346 205 7.9 89
Show 20306+1404 AG 408 285 5.1 89
Show 20309+1126 LAU 4 AB 271 28.1 89
Show 20309+1126 STJ 5 Aa,Ab 140 0.9 89
Show 20310+1402 BPM2180 301 61.2 90
Show 20270+1116 HJ 268 248 20.5 90
Show 20228+1156 BPM2135 218 90.0 91
Show 20288+1114 UC 4195 275 70.0 91
Show 20329+1142 J 1 AB 63 2.1 94
Show 20329+1142 UC 4212 AC 256 27.7 94
Show 20249+1124 J 840 52 3.7 94
Show 20285+1110 BPM2171 30 40.3 95
Show 20321+1358 HJ 1527 270 10.6 95
Show 20340+1206 MAD 8 245 20.9 96
Show 20229+1346 J 3082 AB 18 6.1 96

 
 
WDS 20280+1244 : COMPONENTS
 
 
  A
B pa=172.0°
sep=1.33"
 
 
20280+1244 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202800.11+124408.1 Mag 10.1 Spectral class F8 (yellow-white)
PmRA 41.00 PmDE -39.0 Tycho2 1095-01591-1
Tycho2
Tycho2 1095-01591-1 Pflag RAmdeg 307.00048665 DEmdeg 12.73558874
PmRA 36.7 PmDE -37.0 E RAmdeg 30 E DEmdeg 33
E pmRA 1.5 E pmDE 1.4 EpRAm 1985.98 EpDEm 1983.36
Num 5 Q RAmdeg 1.3 Q DEmdeg 1.4 Q pmRA 1.3
Q pmDE 1.4 BTmag 10.983 E BTmag 0.058 VTmag 10.327
E VTmag 0.047 Prox 999 TYC T HIP
CCDM RAdeg 307.00039972 DEdeg 12.73567528 EpRA 1990 1.72
EpDE 1990 1.45 E RAdeg 30.6 E DEdeg 35.3 Posflg
Corr -0.1
CCDM
Ccdm 20280+1244 RComp Comp A Note1
Note2 Discov num DRAs 0.11 DDEs 8.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.0 Sp F8 PmNote *
PmRA 35 PmDE -37 Dm number +12 4343 Cat1 BD
Name2 +12 2320 Cat2 AGK2/3 HD M HD
ADS BDS A13879 M ADS BDS N IDS IDS 20233N1224A
HIC
 
 
20280+1244 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202800.12+124406.8 Mag 12.1 Calc delta mag 2
Calc coord yes
CCDM
Ccdm 20280+1244 RComp Comp B Note1
Note2 Discov num J 1241 DRAs DDEs
R dRAs Year 1915 Theta 174 Rho 1.2
Obs 3 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13879 M ADS BDS N IDS IDS 20233N1224B
HIC