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Current system
20424+1117
OSO 131 AF


Nearby doubles
17' : 20416+1058
J 192

18' : 20413+1111
BPM2229

23' : 20439+1113
BPM2239

24' : 20440+1118
UC 4272

27' : 20417+1053
UC 4260

33' : 20443+1101
BPM2242

35' : 20402+1126
BPM2224

35' : 20419+1150
HEI 588

36' : 20429+1152
BPM2235

37' : 20401+1105
GWP2979

38' : 20399+1115
ENG 75AB

39' : 20404+1143
UC 4253

42' : 20414+1157
TDT2472

43' : 20396+1120
BPM2221

43' : 20452+1108
BPM2254

49' : 20409+1035
STF2713

49' : 20446+1154
BPM2251

50' : 20393+1101
J 2603

51' : 20392+1059
SCJ 27AB

54' : 20460+1126
TDT2526

54' : 20410+1206
HEI 587

55' : 20391+1055
UC 4243

56' : 20420+1212
BPM2231

56' : 20444+1205
A 875

58' : 20386+1120
J 1242

59' : 20442+1209
BPM2240



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

20424+1117 OSO 131 AF

 
 
20h 42m 24.95s +11° 17' 32.7" P.A. 174.00 sep 22.9 mag 12.93,15.00
 
 
Coord 2000 20424+1117 Discov num OSO 131 Comp AF Coord arcsec 2000 20 42 24.95 +11 17 32.7
Date first 1995 Date last 2001 Obs 3
Pa first 177 Pa last 173.5 P.A. Now (θ) 173.5°
Sep first 24.9 Sep last 22.937 Sep. Now (ρ) 22.937"
Mag pri 12.93 Mag sec 15.00 delta mag (ΔM) 2.07 Spectral class
Pri motion ra -096 Sec motion ra -010
Pri motion dec -346 Sec motion dec -004
Notes N (See Notes)
rPM=0.982
This double is not physical.
 
 
20424+1117 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 42 25 +11 17 33 OSO 131 AB 1995 1 222 13.0 12.93 19.40 6.47
Show 20 42 25 +11 17 33 OSO 131 AC 2000 2 161 14.1 12.93 17.60 4.67
Show 20 42 25 +11 17 33 OSO 131 AD 2000 2 37 20.6 12.93 17.30 4.37
Show 20 42 25 +11 17 33 OSO 131 AE 1995 1 56 24.1 12.93 19.00 6.07
Show 20 42 25 +11 17 33 OSO 131 AF 2001 3 174 22.9 12.93 15.00 2.07 <===
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus
 
 
WDS 20424+1117 OSO 131 AF : NOTES
 
 
discov_num notes refcode
OSO 131 G144-028. None is a common proper motion pair, based on comparison
with POSS2 red plates. Oso2004
 
 
REFERENCES
 
 
refcode metd author reference
Oso2004 C j Zapatero Osorio, M.R. & Martin, E.L. 2004A&A...419..167Z
Oso2004 +Pa A&A 419, 167, 2004
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20424+1117 OSO 131 AF 2000 2 174 23.3 12.93 15.00 N D 204224.95+111732.7
20424+1117 OSO 131 AF 2001 3 174 22.9 12.93 15.00 N D 204224.95+111732.7

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

 
 
WDS 20424+1117 OSO 131 AF : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20424+1117 OSO 131 AF : MEASURES
 
 
No records found.

 
 
WDS 20424+1117 : VIRTUAL EYEPIECE
 
 

20424+1117 OSO 131A mag 12.93 20424+1117 OSO 131B sep 12.9 P.A. 221.40 mag 19.4 20424+1117 OSO 131C sep 14.1 P.A. 161.10 mag 17.6 20424+1117 OSO 131D sep 20.4 P.A. 36.20 mag 17.3 20424+1117 OSO 131E sep 23.8 P.A. 55.80 mag 19 20424+1117 OSO 131F sep 22.9 P.A. 173.60 mag 15 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20424+1117 : ALADIN DSS IMAGE @ 20h 42m 24.95s +11° 17' 32.7"
 
 
 
 
WDS 20424+1117 OSO 131 AF : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20424+1117 OSO 131AF distance=0' 20416+1058 J 192 distance=17' 20413+1111 BPM2229 distance=18' 20439+1113 BPM2239 distance=23' 20440+1118 UC 4272 distance=24' 20417+1053 UC 4260 distance=27' 20443+1101 BPM2242 distance=33' 20402+1126 BPM2224 distance=35' 20419+1150 HEI 588 distance=35' 20429+1152 BPM2235 distance=36' 20401+1105 GWP2979 distance=37' 20399+1115 ENG 75AB distance=38' 20399+1115 CVN 17Aa,Ab distance=38' 20399+1115 TOK 631AC distance=38' 20404+1143 UC 4253 distance=39' 20414+1157 TDT2472 distance=42' 20396+1120 BPM2221 distance=43' 20452+1108 BPM2254 distance=43' 20409+1035 STF2713 distance=49' 20446+1154 BPM2251 distance=49' 20393+1101 J 2603 distance=50' 20392+1059 SCJ 27AB distance=51' 20392+1059 SCJ 27AC distance=51' 20460+1126 TDT2526 distance=54' 20410+1206 HEI 587 distance=54' 20391+1055 UC 4243 distance=55' 20420+1212 BPM2231 distance=56' 20444+1205 A 875 distance=56' 20386+1120 J 1242 distance=58' 20442+1209 BPM2240 distance=59' 20387+1139 GWP2975 distance=59' 20385+1118 J 1073 distance=59' 20465+1131 BPM2258 distance=61' 20383+1043 BU 1491 distance=71' 20449+1219 B 2910Aa,Ab distance=72' 20449+1219 STF2723AB distance=72' 20449+1219 BU 1492AC distance=72' 20440+1225 HJ 1566AB distance=72' 20440+1225 HJ 1566AC distance=72' 20478+1119 HJ 271 distance=74' 20375+1130 BPM2213 distance=74' 20418+1231 STF2715 distance=75' 20473+1052 LEP 97 distance=77' 20457+1017 OSO 134AB distance=78' 20457+1017 OSO 134AC distance=78' 20375+1050 HEI 586 distance=78' 20441+1258 J 1889 distance=79' 20478+1109 BPM2267 distance=80' 20372+1143 BPM2210 distance=81' 20426+1244 STF2718AB distance=87' 20426+1244 STF2718AC distance=87' 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 20424+1117 OSO 131 AB 222 13.0
Show 20424+1117 OSO 131 AC 161 14.1
Show 20424+1117 OSO 131 AD 37 20.6
Show 20424+1117 OSO 131 AE 56 24.1
Show 20424+1117 OSO 131 AF 174 22.9
Show 20416+1058 J 192 138 5.1 17
Show 20413+1111 BPM2229 11 85.9 18
Show 20439+1113 BPM2239 101 71.9 23
Show 20440+1118 UC 4272 354 60.1 24
Show 20417+1053 UC 4260 155 39.5 27
Show 20443+1101 BPM2242 127 30.4 33
Show 20402+1126 BPM2224 331 104.0 35
Show 20419+1150 HEI 588 293 2.3 35
Show 20429+1152 BPM2235 142 114.9 36
Show 20401+1105 GWP2979 215 7.5 37
Show 20399+1115 ENG 75 AB 6 182.2 38
Show 20399+1115 CVN 17 Aa,Ab 36 0.5 38
Show 20399+1115 TOK 631 AC 142 947.9 38
Show 20404+1143 UC 4253 315 19.7 39
Show 20414+1157 TDT2472 309 0.5 42
Show 20396+1120 BPM2221 275 70.3 43
Show 20452+1108 BPM2254 231 96.7 43
Show 20409+1035 STF2713 62 5.1 49
Show 20446+1154 BPM2251 51 84.7 49
Show 20393+1101 J 2603 354 1.8 50
Show 20392+1059 SCJ 27 AB 262 6.2 51
Show 20392+1059 SCJ 27 AC 78 14.1 51
Show 20460+1126 TDT2526 223 0.4 54
Show 20410+1206 HEI 587 36 1.2 54
Show 20391+1055 UC 4243 50 16.2 55
Show 20420+1212 BPM2231 330 108.9 56
Show 20444+1205 A 875 208 2.5 56
Show 20386+1120 J 1242 205 5.2 58
Show 20442+1209 BPM2240 148 55.1 59
Show 20387+1139 GWP2975 166 5.8 59
Show 20385+1118 J 1073 112 5.3 59
Show 20465+1131 BPM2258 45 78.9 61
Show 20383+1043 BU 1491 87 3.2 71
Show 20449+1219 B 2910 Aa,Ab 52 0.1 72
Show 20449+1219 STF2723 AB 140 1.0 72
Show 20449+1219 BU 1492 AC 30 37.0 72
Show 20440+1225 HJ 1566 AB 16 16.9 72
Show 20440+1225 HJ 1566 AC 331 32.4 72
Show 20478+1119 HJ 271 109 7.8 74
Show 20375+1130 BPM2213 275 91.7 74
Show 20418+1231 STF2715 2 12.4 75
Show 20473+1052 LEP 97 351 14.7 77
Show 20457+1017 OSO 134 AB 44 11.1 78
Show 20457+1017 OSO 134 AC 45 19.4 78
Show 20375+1050 HEI 586 220 0.6 78
Show 20441+1258 J 1889 10 4.6 79

 
 
WDS 20424+1117 : COMPONENTS
 
 
  A B C D E
B pa=221.4°
sep=12.89"
 
C pa=161.1°
sep=14.11"
pa=105.8°
sep=13.60"
 
D pa=36.2°
sep=20.42"
pa=38.2°
sep=33.27"
pa=14.1°
sep=30.76"
 
E pa=55.8°
sep=23.79"
pa=50.8°
sep=36.41"
pa=29.5°
sep=30.71"
pa=112.2°
sep=8.23"
 
F pa=173.6°
sep=22.93"
pa=139.8°
sep=17.18"
pa=192.0°
sep=9.65"
pa=193.6°
sep=40.41"
pa=205.3°
sep=40.02"
 
 
20424+1117 A
 
 
Coord arcsec 2000 204224.95+111732.7 Mag 12.93 PmRA -102.00 PmDE -348.0
 
 
20424+1117 B
 
 
Coord arcsec 2000 204224.37+111723.0 Mag 19.4 Calc delta mag 6.47 Calc coord yes
 
 
20424+1117 C
 
 
Coord arcsec 2000 204225.26+111719.3 Mag 17.6 Calc delta mag 4.67 Calc coord yes
 
 
20424+1117 D
 
 
Coord arcsec 2000 204225.77+111749.2 Mag 17.3 Calc delta mag 4.37 Calc coord yes
 
 
20424+1117 E
 
 
Coord arcsec 2000 204226.29+111746.1 Mag 19 Calc delta mag 6.07 Calc coord yes
 
 
20424+1117 F
 
 
Coord arcsec 2000 204225.12+111709.9 Mag 15 PmRA -10.00 PmDE -4.0
Calc delta mag 2.07 Calc coord yes