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Doubles in session


Current system
20452-3057
JSP 817 CD


Nearby doubles
10' : 20448-3112
TDT2516

20' : 20452-3120
LDS 720AB

21' : 20452-3122
WOR 40

36' : 20454-3029
HJ 5218

44' : 20424-3031
H N 101AB

46' : 20440-3147
JSP 816

51' : 20479-3132
B 995

55' : 20485-3126
B 996

56' : 20431-3010
UC 4267

59' : 20434-3005
LDS5909

63' : 20441-3000
SKF1248

66' : 20412-3015
RST2152

71' : 20500-3049
RST2161

74' : 20503-3058
LDS5911

79' : 20507-3116
B 997

80' : 20451-3221
LDS5910

84' : 20511-3103
RST2163

88' : 20380-3122
B 992

92' : 20516-3123
KPP2645

93' : 20517-3109
LDS5913

95' : 20519-3047
UC 4313

98' : 20372-3114
HDS2943

99' : 20433-2925
SKF2089

102' : 20400-2940
RST2151

106' : 20467-3245
RST2160

106' : 20447-2917
UC 4277



Selections
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Binary Systems
Triple Systems
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20452-3057 JSP 817 CD

 
 
20h 44m 39.48s -31° 02' 26.3" P.A. 75.00 sep 2.2 mag 10.48,13.20
 
 
Coord 2000 20452-3057 Discov num JSP 817 Comp CD Coord arcsec 2000 20 44 39.48 -31 02 26.3
Date first 1928 Date last 2016 Obs 4
Pa first 72 Pa last 75.3 P.A. Now (θ) 75.3°
Sep first 2.6 Sep last 2.214 Sep. Now (ρ) 2.214"
Mag pri 10.48 Mag sec 13.20 delta mag (ΔM) 2.72 Spectral class
Pri motion ra +081 Sec motion ra
Pri motion dec -065 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20452-3057 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 197499 212405 20 45 14 -30 57 20 FAL 70 AB 2015 5 76 17.5 8.75 10.53 1.78
Show 212405 20 45 14 -30 57 20 TOK 340 AC 1999 7 235 539.4 8.75 10.48 1.73
Show 20 44 39 -31 02 26 JSP 817 CD 2016 4 75 2.2 10.48 13.20 2.72 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7457-00659-1 Gaia DR2 6794090469261131904
 
 
WDS 20452-3057 JSP 817 CD : NOTES
 
 
discov_num notes refcode
FAL 70 Upon discovery of the wide COM pair TOK 340AC by Tokovinin & Lepine, Tok2012c
JSP 817 the C component was found to be the primary of 20447-3102 JSP 817.
The WDS designation of the JSP pair was changed to deflect its
membership in this CPM multiple.
 
 
REFERENCES
 
 
refcode metd author reference
Tok2012c Pp - Tokovinin, A. & Lepine, S. 2012AJ....144..102T
Tok2012c +E2 AJ 144, 102, 2012
Tok2012c (Note: Per author's suggestion, catalog only includes pairs with Pphys > 0.2 or
Tok2012c both proper motions >100 mas/yr. Coarse date of 1980 assumed for all Sky Survey
Tok2012c measures. Theta values derived by cataloguer from component coordinates.
Tok2012c 2MASS photometry replaced with more precise catalog values and errors.)
 
 
DISCOVERER
 
 
idgroup discov author
1 FAL Falin, J.L. & Mignard, F.
2 JSP Jessup, M.K.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20452-3057 JSP 817 CD 1944 2 71 2.5 10.48 13.20 N 204439.48-310226.3
20452-3057 JSP 817 CD 2015 3 75 2.2 10.48 13.20 N 204439.48-310226.3
20452-3057 JSP 817 CD 2016 4 75 2.2 10.48 13.20 N 204439.48-310226.3

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

 
 
WDS 20452-3057 JSP 817 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20452-3057 JSP 817 CD : MEASURES
 
 
No records found.

 
 
WDS 20452-3057 : VIRTUAL EYEPIECE
 
 

20452-3057 FAL 70A mag 8.75 Sp F9V 20452-3057 FAL 70B sep 15.2 P.A. 73.60 mag 10.53 20452-3057 JSP 817C sep 539.3 P.A. 235.40 mag 10.48 20452-3057 JSP 817D sep 537.5 P.A. 235.40 mag 13.2 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 20452-3057 : ALADIN DSS IMAGE @ 20h 44m 39.48s -31° 02' 26.3"
 
 
 
 
WDS 20452-3057 JSP 817 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20452-3057 JSP 817CD distance=0' 20452-3057 FAL 70AB distance=9' 20452-3057 TOK 340AC distance=9' 20448-3112 TDT2516 distance=10' 20452-3120 LDS 720AB distance=20' 20452-3122 WOR 40 distance=21' 20454-3029 HJ 5218 distance=36' 20424-3031 H N 101AB distance=44' 20440-3147 JSP 816 distance=46' 20479-3132 B 995 distance=51' 20485-3126 B 996 distance=55' 20431-3010 UC 4267 distance=56' 20434-3005 LDS5909 distance=59' 20441-3000 SKF1248 distance=63' 20412-3015 RST2152 distance=66' 20500-3049 RST2161 distance=71' 20503-3058 LDS5911 distance=74' 20507-3116 B 997 distance=79' 20451-3221 LDS5910 distance=80' 20451-3221 KPP3118Aa,Ab distance=80' 20511-3103 RST2163 distance=84' 20380-3122 B 992 distance=88' 20452-3120 LDS 720BC distance=92' 20516-3123 KPP2645 distance=92' 20517-3109 LDS5913 distance=93' 20519-3047 UC 4313 distance=95' 20372-3114 HDS2943 distance=98' 20433-2925 SKF2089 distance=99' 20400-2940 RST2151 distance=102' 20467-3245 RST2160 distance=106' 20447-2917 UC 4277 distance=106' 20517-2947 RST2164 distance=119' 20478-3255 WIS 343 distance=120' 20516-2943 DAM 668 distance=120' 20404-3251 SHY 781 distance=122' 20353-3126 LDS5908 distance=123' 20431-3305 UC 4268 distance=124' 20521-2938 FIN 5 distance=128' 20427-2855 RST2153 distance=131' 20516-2927 TOK 863Aa,Ab distance=132' 20345-3131 KPP1926 distance=134' 20530-2937 B 506 distance=137' 20379-3248 BRT1810 distance=137' 20347-3152 RST2145 distance=138' 20430-2846 SEE 425 distance=138' 20510-3256 RST2162 distance=140' 20461-2843 RST2158 distance=140' 20392-3304 RST2148 distance=141' 20401-2852 SEE 423AB distance=143' 20401-2852 SEE 423BC distance=143' 20431-2838 RST2154 distance=147' 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 20452-3057 JSP 817 CD 75 2.2
Show 20452-3057 FAL 70 AB 76 17.5 9
Show 20452-3057 TOK 340 AC 235 539.4 9
Show 20448-3112 TDT2516 60 0.6 10
Show 20452-3120 LDS 720 AB 213 999.9 20
Show 20452-3122 WOR 40 168 4.8 21
Show 20454-3029 HJ 5218 190 9.8 36
Show 20424-3031 H N 101 AB 334 25.9 44
Show 20440-3147 JSP 816 132 3.3 46
Show 20479-3132 B 995 288 0.5 51
Show 20485-3126 B 996 321 1.6 55
Show 20431-3010 UC 4267 59 8.2 56
Show 20434-3005 LDS5909 146 10.6 59
Show 20441-3000 SKF1248 55 6.4 63
Show 20412-3015 RST2152 335 0.9 66
Show 20500-3049 RST2161 271 2.6 71
Show 20503-3058 LDS5911 78 118.0 74
Show 20507-3116 B 997 273 0.2 79
Show 20451-3221 LDS5910 355 283.9 80
Show 20451-3221 KPP3118 Aa,Ab 16 1.6 80
Show 20511-3103 RST2163 231 2.1 84
Show 20380-3122 B 992 247 1.3 88
Show 20452-3120 LDS 720 BC 128 1.8 92
Show 20516-3123 KPP2645 163 24.7 92
Show 20517-3109 LDS5913 85 97.0 93
Show 20519-3047 UC 4313 233 12.5 95
Show 20372-3114 HDS2943 75 2.1 98
Show 20433-2925 SKF2089 284 17.7 99
Show 20400-2940 RST2151 57 0.2 102
Show 20467-3245 RST2160 138 0.5 106
Show 20447-2917 UC 4277 18 16.5 106
Show 20517-2947 RST2164 318 1.0 119
Show 20478-3255 WIS 343 9 525.5 120
Show 20516-2943 DAM 668 309 11.2 120
Show 20404-3251 SHY 781 310 999.9 122
Show 20353-3126 LDS5908 124 248.3 123
Show 20431-3305 UC 4268 40.3 124
Show 20521-2938 FIN 5 71 2.0 128
Show 20427-2855 RST2153 42 0.2 131
Show 20516-2927 TOK 863 Aa,Ab 173 1.5 132
Show 20345-3131 KPP1926 56 15.1 134
Show 20530-2937 B 506 317 3.2 137
Show 20379-3248 BRT1810 204 7.3 137
Show 20347-3152 RST2145 255 0.1 138
Show 20430-2846 SEE 425 226 7.9 138
Show 20510-3256 RST2162 76 0.8 140
Show 20461-2843 RST2158 278 1.4 140
Show 20392-3304 RST2148 31 1.1 141
Show 20401-2852 SEE 423 AB 39 1.2 143
Show 20401-2852 SEE 423 BC 281 0.2 143
Show 20431-2838 RST2154 279 0.8 147

 
 
WDS 20452-3057 : COMPONENTS
 
 
  A B C
B pa=73.6°
sep=15.16"
 
C pa=235.4°
sep=539.32"
pa=235.9°
sep=553.75"
 
D pa=235.4°
sep=537.49"
pa=235.9°
sep=551.91"
pa=73.0°
sep=1.92"
 
 
20452-3057 A
 
 
Name HD 197499 Coord arcsec 2000 204514.02-305720.3 Mag 8.75 Spectral class F9V (yellow-white)
PmRA 81.00 PmDE -70.0 SAO 212405 HIP 102418
Tycho2 7457-01614-1 HD 197499 CD CD-3117817 CP CP-31 6336
Tycho2
Tycho2 7457-01614-1 Pflag RAmdeg 311.30842891 DEmdeg -30.95565605
PmRA 87.9 PmDE -68.2 E RAmdeg 9 E DEmdeg 11
E pmRA 1.2 E pmDE 1.3 EpRAm 1989.92 EpDEm 1988.80
Num 13 Q RAmdeg 1.2 Q DEmdeg 2.0 Q pmRA 1.2
Q pmDE 1.9 BTmag 9.367 E BTmag 0.022 VTmag 8.748
E VTmag 0.017 Prox 999 TYC T HIP 102418
CCDM RAdeg 311.30819056 DEdeg -30.95548972 EpRA 1990 1.64
EpDE 1990 1.27 E RAdeg 8.6 E DEdeg 11.7 Posflg
Corr -0.1
SAO
SAO 212405 DelFlag RA1950 PmRA1950 0.0064
DE1950 PmDE1950 -0.062 Vmag 8.6 SpType F8
Double code Source 40 CatNum 11324 DM CD-3117817
DMcomp BDsup HD 197499 M HD 0
GC RA1950rad 5.41993569 DE1950rad -0.54344554 PmRA2000 0.0063
PmDE2000 -0.064
Hipparcos
Catalog H HIP 102418 Proxy RAhms 20 45 13.96
DEdms -30 57 19.8 Vmag 8.62 VarFlag 2 R Vmag H
RAdeg 311.308 DEdeg -30.9555 AstroRef Plx 14.95
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 197499 BD
CD CD-3117817 CP CP-31 6336 Dm number -3117817 VIred 0.65
SpType F8/G0V R SpType Coord arcsec 2000 204513.96-305719.8
Hipparcos 2
HIP 102418 Sn 5 So 0 Nc 1
RArad 5.4333526973 DErad -0.5402751893 Plx 15.26 PmRA 92.15
PmDE -60.8 E RArad 2.33 E DErad 1.2 E Plx 2.56
E pmRA 3.8 E pmDE 1.53 Hpmag 8.7421 E Hpmag 0.0052
SHp 0.054 VA 2 BV 0.576 E BV 0.015
VI 0.65
 
 
20452-3057 B
 
 
Coord arcsec 2000 204515.15-305716.0 Mag 10.53 PmRA 3.00 PmDE -1.0
Calc delta mag 1.78 Calc coord yes
 
 
20452-3057 C
 
 
Coord arcsec 2000 204439.48-310226.3 Coord calc 204439.48-310226.3 Mag 10.48 PmRA 81.00
PmDE -65.0 Tycho2 7457-00659-1 Calc delta mag 1.73
Tycho2
Tycho2 7457-00659-1 Pflag RAmdeg 311.16452869 DEmdeg -31.04065791
PmRA 81.1 PmDE -65.1 E RAmdeg 28 E DEmdeg 37
E pmRA 2.1 E pmDE 2.4 EpRAm 1984.61 EpDEm 1980.52
Num 3 Q RAmdeg 3.8 Q DEmdeg 1.0 Q pmRA 3.9
Q pmDE 1.0 BTmag 11.474 E BTmag 0.080 VTmag 10.478
E VTmag 0.052 Prox 999 TYC T HIP
CCDM RAdeg 311.16430111 DEdeg -31.04049500 EpRA 1990 1.69
EpDE 1990 1.22 E RAdeg 32.2 E DEdeg 48.2 Posflg
Corr -0.1
 
 
20452-3057 D
 
 
Coord arcsec 2000 204439.62-310225.7 Mag 13.2 Calc delta mag 4.45 Calc coord yes