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Doubles in session


Current system
15547-2246
KOU 42 AB
HD 142315


Nearby doubles
26' : 15555-2308
KSA 74

48' : 15578-2305
LAF 89

52' : 15534-2158
JNN 214

54' : 15576-2321
KSA 119AB

56' : 15586-2257
MET 65AB

59' : 15565-2339
TOK 736

62' : 15550-2347
GHE 17AB

63' : 15536-2145
TDS9680

65' : 15573-2339
KSA 118AB

68' : 15565-2348
KOH 60AB

68' : 15503-2216
TDS9651

69' : 15501-2312
KSA 115

73' : 15544-2134
JKS 7

74' : 15593-2211
TOK 739

78' : 16000-2221
USD 264AB

78' : 16000-2312
I 979

79' : 15574-2354
KOH 58

79' : 16003-2237
LAB 3
Dschubba

80' : 16001-2311
K2 38AB

82' : 15491-2218
B 1793

83' : 15586-2348
KSA 76

84' : 16007-2241
TOK 740

89' : 16005-2209
BOY 16

91' : 16011-2228
KOH 65

93' : 16014-2237
BOY 17AB

94' : 16014-2241
MET 67AB



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

15547-2246 KOU 42 AB (HD 142315)

 
 
15h 54m 41.60s -22° 45' 58.3" P.A. 280.00 sep 7.9 mag 6.68,11.84 Sp B9V dist. 147.71 pc (481.83 l.y.)
 
 
Coord 2000 15547-2246 Discov num KOU  42 Comp AB Coord arcsec 2000 15 54 41.60 -22 45 58.3
Date first 1998 Date last 2015 Obs 3
Pa first 280 Pa last 279.5 P.A. Now (θ) 279.5°
Sep first 8.0 Sep last 7.945 Sep. Now (ρ) 7.945"
Mag pri 6.68 Mag sec 11.84 delta mag (ΔM) 5.16 Spectral class B9V (blue-white)
Pri motion ra -017 Sec motion ra
Pri motion dec -011 Sec motion dec
Notes V W K (Proper motion indicates physical, , K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142315 Constellation Scorpius SAO 183916 HIP 77911
Tycho2 6779-02142-1 HD 142315 GC 21356 BD BD-22 4046
CD CD-2211240 CP CP-22 6090 Distance 147.71 Distance ly 481.83
 
 
WDS 15547-2246 KOU 42 AB (HD 142315) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Kou2005 A - Kouwenhoven, M.B.N., Brown, A.G., Zinnecker, H., Kaper, L., & Portegies Zwart, S. 2005A&A...430..137K
Kou2005 A&A 430, 137, 2005
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15547-2246 KOU 42 AB 2015 3 280 7.9 6.68 11.84 B9V VWK 155441.60-224558.3

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

 
 
WDS 15547-2246 KOU 42 AB (HD 142315) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15547-2246 KOU 42 AB (HD 142315) : MEASURES
 
 
No records found.

 
 
WDS 15547-2246 (HD 142315) : VIRTUAL EYEPIECE
 
 

15547-2246 KOU 42A mag 6.68 Sp B9V 15547-2246 KOU 42B sep 7.3 P.A. 280.30 mag 11.84 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 15547-2246 (HD 142315) : ALADIN DSS IMAGE @ 15h 54m 41.60s -22° 45' 58.3"
 
 
 
 
WDS 15547-2246 KOU 42 AB (HD 142315) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15547-2246 KOU 42AB distance=1' 15555-2308 KSA 74 distance=26' 15553-2322 KOH 55FI distance=38' 15553-2322 USD 122Fa,Fb distance=38' 15578-2305 LAF 89 distance=48' 15534-2158 JNN 214 distance=52' 15576-2321 KSA 119AB distance=54' 15576-2321 LAF 88AC distance=54' 15576-2321 LAF 88AD distance=54' 15586-2257 MET 65AB distance=56' 15586-2257 MET 65AC distance=56' 15586-2257 MET 65AD distance=56' 15586-2257 MET 65AE distance=56' 15586-2257 MET 65AF distance=56' 15565-2339 TOK 736 distance=59' 15550-2347 GHE 17AB distance=62' 15550-2347 B 2796AC distance=62' 15550-2347 LAF 84AD distance=62' 15536-2145 TDS9680 distance=63' 15573-2339 KSA 118AB distance=65' 15573-2339 IRE 1AC distance=65' 15573-2339 IRE 1AD distance=65' 15573-2339 IRE 1AE distance=65' 15573-2339 IRE 1AF distance=65' 15565-2348 KOH 60AB distance=68' 15565-2348 LAF 85AC distance=68' 15565-2348 LAF 85AD distance=68' 15503-2216 TDS9651 distance=68' 15501-2312 KSA 115 distance=69' 15544-2134 JKS 7 distance=73' 15593-2211 TOK 739 distance=74' 16000-2221 KSA 122BC distance=78' 16000-2221 USD 264AB distance=78' 16000-2312 I 979 distance=78' 15574-2354 KOH 58 distance=79' 16003-2237 LAB 3 (Dschubba) distance=79' 16001-2311 K2 38AB distance=80' 16001-2311 K2 38AC distance=80' 16001-2311 K2 38AD distance=80' 15491-2218 B 1793 distance=82' 15586-2348 KSA 76 distance=83' 16007-2241 TOK 740 distance=84' 16005-2209 BOY 16 distance=89' 16011-2228 KOH 65 distance=91' 16014-2237 BOY 17AB distance=93' 16014-2237 BOY 17AC distance=93' 15581-2406 KOH 59Ba,Bb distance=93' 15581-2406 KSA 120Aa,Ab distance=93' 16014-2241 MET 67AB distance=94' 16014-2241 MET 67AC distance=94' 16014-2241 MET 67AD distance=94' 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 15547-2246 KOU 42 AB 280 7.9 1
Show 15555-2308 KSA 74 208 1.8 26
Show 15553-2322 KOH 55 FI 101 1.5 38
Show 15553-2322 USD 122 Fa,Fb 133 0.1 38
Show 15578-2305 LAF 89 317 8.3 48
Show 15534-2158 JNN 214 226 0.5 52
Show 15576-2321 KSA 119 AB 76 0.1 54
Show 15576-2321 LAF 88 AC 114 3.3 54
Show 15576-2321 LAF 88 AD 351 3.8 54
Show 15586-2257 MET 65 AB 6.6 56
Show 15586-2257 MET 65 AC 358 7.7 56
Show 15586-2257 MET 65 AD 129 8.4 56
Show 15586-2257 MET 65 AE 268 8.5 56
Show 15586-2257 MET 65 AF 103 12.3 56
Show 15565-2339 TOK 736 102 0.2 59
Show 15550-2347 GHE 17 AB 236 0.7 62
Show 15550-2347 B 2796 AC 162 10.9 62
Show 15550-2347 LAF 84 AD 241 0.7 62
Show 15536-2145 TDS9680 245 0.4 63
Show 15573-2339 KSA 118 AB 148 0.1 65
Show 15573-2339 IRE 1 AC 95 3.5 65
Show 15573-2339 IRE 1 AD 26 7.8 65
Show 15573-2339 IRE 1 AE 46 12.8 65
Show 15573-2339 IRE 1 AF 180 16.6 65
Show 15565-2348 KOH 60 AB 22 0.1 68
Show 15565-2348 LAF 85 AC 76 5.6 68
Show 15565-2348 LAF 85 AD 359 10.5 68
Show 15503-2216 TDS9651 122 0.5 68
Show 15501-2312 KSA 115 222 0.0 69
Show 15544-2134 JKS 7 262 27.6 73
Show 15593-2211 TOK 739 84 0.1 74
Show 16000-2221 KSA 122 BC 108 0.1 78
Show 16000-2221 USD 264 AB 343 0.3 78
Show 16000-2312 I 979 325 0.7 78
Show 15574-2354 KOH 58 46 1.4 79
Show Dschubba 16003-2237 LAB 3 16 0.1 79
Show 16001-2311 K2 38 AB 38 10.8 80
Show 16001-2311 K2 38 AC 323 11.2 80
Show 16001-2311 K2 38 AD 309 29.4 80
Show 15491-2218 B 1793 82 1.9 82
Show 15586-2348 KSA 76 15 12.3 83
Show 16007-2241 TOK 740 61 0.1 84
Show 16005-2209 BOY 16 41 0.9 89
Show 16011-2228 KOH 65 340 0.3 91
Show 16014-2237 BOY 17 AB 344 0.1 93
Show 16014-2237 BOY 17 AC 1 1.1 93
Show 15581-2406 KOH 59 Ba,Bb 85 0.6 93
Show 15581-2406 KSA 120 Aa,Ab 113 0.3 93
Show 16014-2241 MET 67 AB 37 6.5 94
Show 16014-2241 MET 67 AC 311 9.5 94
Show 16014-2241 MET 67 AD 73 10.1 94

 
 
WDS 15547-2246 : COMPONENTS
 
 
  A
B pa=280.3°
sep=7.34"
 
 
15547-2246 A
 
 
Name HD 142315 Coord arcsec 2000 155441.60-224558.3 Mag 6.68 Spectral class B9V (blue-white)
PmRA -17.00 PmDE -11.0 SAO 183916 HIP 77911
Tycho2 6779-02142-1 HD 142315 GC 21356 BD BD-22 4046
CD CD-2211240 CP CP-22 6090
Tycho2
Tycho2 6779-02142-1 Pflag RAmdeg 238.67331891 DEmdeg -22.76625386
PmRA -13.1 PmDE -22.8 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.30 EpDEm 1990.91
Num 20 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.1 BTmag 6.898 E BTmag 0.015 VTmag 6.864
E VTmag 0.010 Prox 999 TYC T HIP 77911
CCDM RAdeg 238.67335167 DEdeg -22.76619917 EpRA 1990 1.76
EpDE 1990 1.33 E RAdeg 3.6 E DEdeg 4.2 Posflg
Corr 0.1
SAO
SAO 183916 DelFlag RA1950 PmRA1950 0.0026
DE1950 PmDE1950 -0.01 Vmag 6.7 SpType B8
Double code Source 70 CatNum 21356 DM BD-22 4046
DMcomp BDsup HD 142315 M HD 0
GC 21356 RA1950rad 4.15273918 DE1950rad -0.39478497 PmRA2000 0.0026
PmDE2000 -0.007
Hipparcos
Catalog H HIP 77911 Proxy RAhms 15 54 41.60
DEdms -22 45 58.3 Vmag 6.86 VarFlag R Vmag H
RAdeg 238.673 DEdeg -22.7662 AstroRef Plx 6.52
CCDM N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 142315 BD BD-22 4046
CD CD-2211240 CP CP-22 6090 Dm number -22 4046 VIred 0.03
SpType B9V R SpType Coord arcsec 2000 155441.60-224558.3
Hipparcos 2
HIP 77911 Sn 5 So 1 Nc 1
RArad 4.1656358511 DErad -0.3973451189 Plx 6.77 PmRA -13.95
PmDE -22.25 E RArad 0.52 E DErad 0.23 E Plx 0.55
E pmRA 0.57 E pmDE 0.45 Hpmag 6.8823 E Hpmag 0.0011
SHp 0.007 VA 0 BV 0.035 E BV 0.007
VI 0.05
 
 
15547-2246 B
 
 
Coord arcsec 2000 155441.08-224557.0 Mag 11.84 Calc delta mag 5.16 Calc coord yes