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Doubles in session


Current system
20440-3147
JSP 816


Nearby doubles
30' : 20452-3122
WOR 40

31' : 20452-3120
LDS 720AB

37' : 20448-3112
TDT2516

38' : 20451-3221
LDS5910

52' : 20479-3132
B 995

53' : 20452-3057
FAL 70AB

61' : 20485-3126
B 996

67' : 20467-3245
RST2160

79' : 20404-3251
SHY 781

79' : 20431-3305
UC 4268

80' : 20424-3031
H N 101AB

81' : 20454-3029
HJ 5218

81' : 20380-3122
B 992

83' : 20478-3255
WIS 343

92' : 20507-3116
B 997

94' : 20372-3114
HDS2943

96' : 20503-3058
LDS5911

98' : 20500-3049
RST2161

98' : 20431-3010
UC 4267

99' : 20392-3304
RST2148

99' : 20379-3248
BRT1810

100' : 20412-3015
RST2152

101' : 20516-3123
KPP2645

102' : 20434-3005
LDS5909

102' : 20511-3103
RST2163

107' : 20517-3109
LDS5913



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

20440-3147 JSP 816

 
 
20h 43m 59.33s -31° 47' 28.7" P.A. 132.00 sep 3.3 mag 11.23,13.40
 
 
Coord 2000 20440-3147 Discov num JSP 816 Comp Coord arcsec 2000 20 43 59.33 -31 47 28.7
Date first 1929 Date last 2016 Obs 5
Pa first 132 Pa last 131.9 P.A. Now (θ) 131.9°
Sep first 3.4 Sep last 3.33 Sep. Now (ρ) 3.33"
Mag pri 11.23 Mag sec 13.40 delta mag (ΔM) 2.17 Spectral class
Pri motion ra -015 Sec motion ra
Pri motion dec +017 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7457-01418-1 Gaia DR2 6792528819152747008
 
 
WDS 20440-3147 JSP 816 : NOTES
 
 
discov_num notes refcode
JSP 816 Not in Michigan Vol. XI.
 
 
REFERENCES
 
 
refcode metd author reference
Jsp1937 Ma j Jessup, M.K. 1937MmRAS..65...51R
Jsp1937 MemRAS 65, 51, 1937
Jsp1955 Ma j Jessup, M.K. 1955POMic..11....1R
Jsp1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Jsp1964 Ma j Jessup, M.K. 1964POMic...9...73R
Jsp1964 Pub. Univ. Michigan Obs. 9, 73, 1964
Jsp9999 Ma - Jessup, M.K. ...................
Jsp9999 Unpublished, manuscript or reference not found.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
20440-3147 JSP 816 1929 1 132 3.4 11.23 13.40 N 204359.33-314728.7
20440-3147 JSP 816 2000 2 132 3.3 11.23 13.40 N 204359.33-314728.7
20440-3147 JSP 816 2015 4 132 3.3 11.23 13.40 N 204359.33-314728.7
20440-3147 JSP 816 2016 5 132 3.3 11.23 13.40 N 204359.33-314728.7

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

 
 
WDS 20440-3147 JSP 816 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20440-3147 JSP 816 : MEASURES
 
 
No records found.

 
 
WDS 20440-3147 : VIRTUAL EYEPIECE
 
 

20440-3147 JSP 816A mag 11.23 20440-3147 JSP 816B sep 3.1 P.A. 136.50 mag 13.4 virtual eyepiece
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Radius:
Components only
 
 
WDS 20440-3147 : ALADIN DSS IMAGE @ 20h 43m 59.33s -31° 47' 28.7"
 
 
 
 
WDS 20440-3147 JSP 816 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20440-3147 JSP 816 distance=0' 20452-3122 WOR 40 distance=30' 20452-3120 LDS 720AB distance=31' 20448-3112 TDT2516 distance=37' 20451-3221 LDS5910 distance=38' 20451-3221 KPP3118Aa,Ab distance=38' 20452-3057 JSP 817CD distance=46' 20452-3120 LDS 720BC distance=48' 20479-3132 B 995 distance=52' 20452-3057 FAL 70AB distance=53' 20452-3057 TOK 340AC distance=53' 20485-3126 B 996 distance=61' 20467-3245 RST2160 distance=67' 20404-3251 SHY 781 distance=79' 20431-3305 UC 4268 distance=79' 20424-3031 H N 101AB distance=80' 20454-3029 HJ 5218 distance=81' 20380-3122 B 992 distance=81' 20478-3255 WIS 343 distance=83' 20507-3116 B 997 distance=92' 20372-3114 HDS2943 distance=94' 20503-3058 LDS5911 distance=96' 20500-3049 RST2161 distance=98' 20431-3010 UC 4267 distance=98' 20392-3304 RST2148 distance=99' 20379-3248 BRT1810 distance=99' 20412-3015 RST2152 distance=100' 20516-3123 KPP2645 distance=101' 20434-3005 LDS5909 distance=102' 20511-3103 RST2163 distance=102' 20411-3327 B 993BC distance=106' 20411-3327 SEE 424A,BC distance=106' 20517-3109 LDS5913 distance=107' 20441-3000 SKF1248 distance=108' 20510-3256 RST2162 distance=112' 20353-3126 LDS5908 distance=114' 20467-3336 HDS2960AB distance=114' 20467-3336 SKF2090AC distance=114' 20501-3315 UC 4305 distance=117' 20519-3047 UC 4313 distance=119' 20347-3152 RST2145 distance=119' 20374-3312 SKF2088 distance=120' 20345-3131 KPP1926 distance=123' 20517-3303 UC 4311 distance=124' 20366-3308 RST2146 distance=124' 20362-3301 LDS 715 distance=125' 20529-3245 B 1000 distance=128' 20400-2940 RST2151 distance=137' 20500-3347 HJ 5224 distance=142' 20433-2925 SKF2089 distance=143' 20543-3243 TDT2622Aa,Ab distance=143' 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 20440-3147 JSP 816 132 3.3
Show 20452-3122 WOR 40 168 4.8 30
Show 20452-3120 LDS 720 AB 213 999.9 31
Show 20448-3112 TDT2516 60 0.6 37
Show 20451-3221 LDS5910 355 283.9 38
Show 20451-3221 KPP3118 Aa,Ab 16 1.6 38
Show 20452-3057 JSP 817 CD 75 2.2 46
Show 20452-3120 LDS 720 BC 128 1.8 48
Show 20479-3132 B 995 288 0.5 52
Show 20452-3057 FAL 70 AB 76 17.5 53
Show 20452-3057 TOK 340 AC 235 539.4 53
Show 20485-3126 B 996 321 1.6 61
Show 20467-3245 RST2160 138 0.5 67
Show 20404-3251 SHY 781 310 999.9 79
Show 20431-3305 UC 4268 40.3 79
Show 20424-3031 H N 101 AB 334 25.9 80
Show 20454-3029 HJ 5218 190 9.8 81
Show 20380-3122 B 992 247 1.3 81
Show 20478-3255 WIS 343 9 525.5 83
Show 20507-3116 B 997 273 0.2 92
Show 20372-3114 HDS2943 75 2.1 94
Show 20503-3058 LDS5911 78 118.0 96
Show 20500-3049 RST2161 271 2.6 98
Show 20431-3010 UC 4267 59 8.2 98
Show 20392-3304 RST2148 31 1.1 99
Show 20379-3248 BRT1810 204 7.3 99
Show 20412-3015 RST2152 335 0.9 100
Show 20516-3123 KPP2645 163 24.7 101
Show 20434-3005 LDS5909 146 10.6 102
Show 20511-3103 RST2163 231 2.1 102
Show 20411-3327 B 993 BC 40 0.4 106
Show 20411-3327 SEE 424 A,BC 335 11.2 106
Show 20517-3109 LDS5913 85 97.0 107
Show 20441-3000 SKF1248 55 6.4 108
Show 20510-3256 RST2162 76 0.8 112
Show 20353-3126 LDS5908 124 248.3 114
Show 20467-3336 HDS2960 AB 158 0.2 114
Show 20467-3336 SKF2090 AC 190 88.1 114
Show 20501-3315 UC 4305 302 143.4 117
Show 20519-3047 UC 4313 233 12.5 119
Show 20347-3152 RST2145 255 0.1 119
Show 20374-3312 SKF2088 135 13.2 120
Show 20345-3131 KPP1926 56 15.1 123
Show 20517-3303 UC 4311 335 26.1 124
Show 20366-3308 RST2146 245 1.9 124
Show 20362-3301 LDS 715 144 91.8 125
Show 20529-3245 B 1000 312 3.6 128
Show 20400-2940 RST2151 57 0.2 137
Show 20500-3347 HJ 5224 165 20.2 142
Show 20433-2925 SKF2089 284 17.7 143
Show 20543-3243 TDT2622 Aa,Ab 232 0.5 143

 
 
WDS 20440-3147 : COMPONENTS
 
 
  A
B pa=136.5°
sep=3.06"
 
 
20440-3147 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204359.33-314728.7 Mag 11.23 PmRA -15.00
PmDE 17.0 Tycho2 7457-01418-1
Tycho2
Tycho2 7457-01418-1 Pflag RAmdeg 310.99721365 DEmdeg -31.79131207
PmRA -15.0 PmDE 2.9 E RAmdeg 49 E DEmdeg 57
E pmRA 2.0 E pmDE 2.0 EpRAm 1983.20 EpDEm 1980.29
Num 4 Q RAmdeg 1.2 Q DEmdeg 2.0 Q pmRA 1.2
Q pmDE 2.0 BTmag 11.733 E BTmag 0.087 VTmag 11.228
E VTmag 0.092 Prox 999 TYC T HIP
CCDM RAdeg 310.99725472 DEdeg -31.79131889 EpRA 1990 1.64
EpDE 1990 1.43 E RAdeg 51.8 E DEdeg 61.2 Posflg
Corr -0.2
CCDM
Ccdm 20440-3147 RComp Comp A Note1
Note2 Discov num DRAs -0.56 DDEs -28.5
R dRAs 41 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number -3216160 Cat1 CD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20378S3209A
HIC
 
 
20440-3147 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204359.50-314730.9 Mag 13.4 Calc delta mag 2.17
Calc coord yes
CCDM
Ccdm 20440-3147 RComp Comp B Note1
Note2 Discov num JSP 816 DRAs DDEs
R dRAs Year 1929 Theta 132 Rho 3.4
Obs Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 20378S3209B
HIC