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Doubles in session


Current system
15585-2124
HNK 5 Aa,Ab
HD 142989


Nearby doubles
3' : 15587-2125
DON 770

32' : 15598-2058
RST2990

48' : 15564-2046
OCC 399

49' : 15593-2211
TOK 739

52' : 15567-2040
TOK 737

54' : 16005-2209
BOY 16

58' : 15544-2134
JKS 7

58' : 16018-2050
KOH 67

60' : 16019-2159
KOU 44AB

60' : 16000-2221
USD 264AB

63' : 15548-2049
RST2985

63' : 16000-2025
HLD 125AB

64' : 16001-2027
KOH 63

65' : 16006-2027
HLD 126

72' : 15536-2145
TDS9680

73' : 15566-2017
KPP 357

74' : 16011-2228
KOH 65

74' : 15564-2016
TOK 735

76' : 15537-2049
SKF1642

78' : 16003-2237
LAB 3
Dschubba

80' : 15534-2158
JNN 214

83' : 16043-2131
KOH 71

83' : 16044-2130
LAF 102

83' : 16007-2241
TOK 740

84' : 16014-2237
BOY 17AB

84' : 16040-2156
LDS 548



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

15585-2124 HNK 5 Aa,Ab (HD 142989)

 
 
15h 58m 29.31s -21° 24' 03.8" P.A. 20.00 sep 0.1 mag 7.70,12.00 Sp F2/3IV/V dist. 206.61 pc (673.96 l.y.)
 
 
Coord 2000 15585-2124 Discov num HNK   5 Comp Aa,Ab Coord arcsec 2000 15 58 29.31 -21 24 03.8
Date first 2010 Date last 2010 Obs 1
Pa first 20 Pa last 20 P.A. Now (θ) 20°
Sep first 0.1 Sep last 0.133 Sep. Now (ρ) 0.133"
Mag pri 7.70 Mag sec 12.00 delta mag (ΔM) 4.3 Spectral class F2/3IV/V (yellow-white)
Pri motion ra -009 Sec motion ra
Pri motion dec -021 Sec motion dec
Notes N K (See Notes, 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
Nature of this double is uncertain.
 
 
15585-2124 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 142989 183981 15 58 29 -21 24 04 HNK 5 Aa,Ab 2010 1 20 0.1 7.70 12.00 4.30 <===
Show 183981 15 58 29 -21 24 04 JKS 8 AB 2015 4 338 19.1 9.10 12.60 3.50
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142989 Constellation Scorpius SAO 183981 HIP 78233
Tycho2 6199-01841-1 Gaia DR2 6246540035183094784 HD 142989 BD BD-20 4366
Distance 206.61 Distance ly 673.96
 
 
WDS 15585-2124 HNK 5 Aa,Ab (HD 142989) : NOTES
 
 
discov_num notes refcode
HNK 5 Aa,Ab: Member of Sco-Cen Association. Mass of Aa 1.67 +0.07/-0.12Msun;
mass of Ab estimated at 86 +12/-21 Mjup (for age 10 Myr), or
124 +27/-24 Mjup (for age 20 Myr). Hnk2015
 
 
REFERENCES
 
 
refcode metd author reference
Hnk2015 Am j Hinkley, S., Kraus, A.L., Ireland, M.J., Cheetham, A., Carpenter, J.M., 2015ApJ...806L...9H
Hnk2015 Tuthill, P., Lacour, S., Evans, T.M., & Hauboas, X.
Hnk2015 ApJL 806, 9, 2015
 
 
DISCOVERER
 
 
idgroup discov author
1 JKS Jenniskens, M.P. (from Ccd2002 DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15585-2124 HNK 5 Aa,Ab 2010 1 20 0.1 7.70 12.00 F2/3IV/V N K 155829.31-212403.8

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

 
 
WDS 15585-2124 HNK 5 Aa,Ab (HD 142989) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15585-2124 HNK 5 Aa,Ab (HD 142989) : MEASURES
 
 
No records found.

 
 
WDS 15585-2124 (HD 142989) : VIRTUAL EYEPIECE
 
 

15585-2124 JKS 8A mag 9.1 Sp F2/3IV/V 15585-2124 HNK 5Ab sep 0.1 P.A. 18.70 mag 12 15585-2124 JKS 8B sep 18.9 P.A. 338.90 mag 12.6 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 15585-2124 (HD 142989) : ALADIN DSS IMAGE @ 15h 58m 29.31s -21° 24' 03.8"
 
 
 
 
WDS 15585-2124 HNK 5 Aa,Ab (HD 142989) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15585-2124 HNK 5Aa,Ab distance=0' 15587-2125 DON 770 distance=3' 15598-2058 RST2990 distance=32' 15564-2046 OCC 399 distance=48' 15593-2211 TOK 739 distance=49' 15567-2040 TOK 737 distance=52' 16005-2209 BOY 16 distance=54' 15544-2134 JKS 7 distance=58' 16018-2050 KOH 67 distance=58' 16019-2159 KOU 44AB distance=60' 16019-2159 LAF 92AC distance=60' 16000-2221 USD 264AB distance=60' 16000-2221 KSA 122BC distance=61' 15548-2049 RST2985 distance=63' 16000-2025 HLD 125AB distance=63' 16000-2025 HLD 125AC distance=63' 16001-2027 KOH 63 distance=64' 16006-2027 HLD 126 distance=65' 15536-2145 TDS9680 distance=72' 15566-2017 KPP 357 distance=73' 16011-2228 KOH 65 distance=74' 15564-2016 TOK 735 distance=74' 15537-2049 SKF1642 distance=76' 16003-2237 LAB 3 (Dschubba) distance=78' 15534-2158 JNN 214 distance=80' 16043-2131 KOH 71 distance=83' 16044-2130 LAF 102 distance=83' 16007-2241 TOK 740 distance=83' 16014-2237 BOY 17AB distance=84' 16014-2237 BOY 17AC distance=84' 16040-2156 LDS 548 distance=84' 16035-2213 HU 914 distance=85' 16046-2139 TOK 743AB distance=87' 16046-2139 TOK 743AB,C distance=87' 16014-2241 MET 67AB distance=87' 16014-2241 MET 67AC distance=87' 16014-2241 MET 67AD distance=87' 16014-2241 MSR 6AE distance=87' 16014-2241 MSR 6AF distance=87' 16014-2241 MSR 6AG distance=87' 16014-2241 MSR 6AH distance=87' 16029-2023 KOH 69 distance=88' 16020-2236 BOY 19AB distance=88' 16020-2236 BOY 19AC distance=88' 15591-1956 SHJ 213AB distance=89' 16020-2008 KSA 123 distance=91' 16039-2032 KOH 70AB distance=93' 16039-2032 KOH 70AB,C distance=93' 16039-2032 LAF 99AD distance=93' 16039-2032 LAF 99AE distance=93' 16039-2032 LAF 99AF distance=93' 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 15585-2124 JKS 8 AB 338 19.1
Show 15585-2124 HNK 5 Aa,Ab 20 0.1
Show 15587-2125 DON 770 198 2.0 3
Show 15598-2058 RST2990 177 0.2 32
Show 15564-2046 OCC 399 -1 0.0 48
Show 15593-2211 TOK 739 84 0.1 49
Show 15567-2040 TOK 737 39 1.4 52
Show 16005-2209 BOY 16 41 0.9 54
Show 15544-2134 JKS 7 262 27.6 58
Show 16018-2050 KOH 67 351 0.1 58
Show 16019-2159 KOU 44 AB 140 4.5 60
Show 16019-2159 LAF 92 AC 43 9.5 60
Show 16000-2221 USD 264 AB 343 0.3 60
Show 16000-2221 KSA 122 BC 108 0.1 61
Show 15548-2049 RST2985 83 1.7 63
Show 16000-2025 HLD 125 AB 305 2.9 63
Show 16000-2025 HLD 125 AC 24 27.3 63
Show 16001-2027 KOH 63 129 0.1 64
Show 16006-2027 HLD 126 34 2.3 65
Show 15536-2145 TDS9680 245 0.4 72
Show 15566-2017 KPP 357 20 3.8 73
Show 16011-2228 KOH 65 340 0.3 74
Show 15564-2016 TOK 735 177 0.2 74
Show 15537-2049 SKF1642 68 1.1 76
Show Dschubba 16003-2237 LAB 3 16 0.1 78
Show 15534-2158 JNN 214 226 0.5 80
Show 16043-2131 KOH 71 152 0.1 83
Show 16044-2130 LAF 102 93 9.3 83
Show 16007-2241 TOK 740 61 0.1 83
Show 16014-2237 BOY 17 AB 344 0.1 84
Show 16014-2237 BOY 17 AC 1 1.1 84
Show 16040-2156 LDS 548 154 10.2 84
Show 16035-2213 HU 914 338 3.1 85
Show 16046-2139 TOK 743 AB 133 0.1 87
Show 16046-2139 TOK 743 AB,C 94 5.5 87
Show 16014-2241 MET 67 AB 37 6.5 87
Show 16014-2241 MET 67 AC 311 9.5 87
Show 16014-2241 MET 67 AD 73 10.1 87
Show 16014-2241 MSR 6 AE 283 14.3 87
Show 16014-2241 MSR 6 AF 289 15.8 87
Show 16014-2241 MSR 6 AG 299 16.7 87
Show 16014-2241 MSR 6 AH 170 17.0 87
Show 16029-2023 KOH 69 27 0.3 88
Show 16020-2236 BOY 19 AB 6 0.2 88
Show 16020-2236 BOY 19 AC 93 2.5 88
Show 15591-1956 SHJ 213 AB 318 17.8 89
Show 16020-2008 KSA 123 218 0.0 91
Show 16039-2032 KOH 70 AB 256 0.1 93
Show 16039-2032 KOH 70 AB,C 82 4.0 93
Show 16039-2032 LAF 99 AD 203 2.8 93
Show 16039-2032 LAF 99 AE 217 3.3 93

 
 
WDS 15585-2124 : COMPONENTS
 
 
  A Ab
Ab pa=18.7°
sep=0.13"
 
B pa=338.9°
sep=18.94"
pa=338.7°
sep=18.84"
 
 
15585-2124 A
 
 
Coord arcsec 2000 155829.31-212403.8 Mag 9.1 Spectral class F2/3IV/V (yellow-white) PmRA -9.00
PmDE -21.0 SAO 183981 HIP 78233 Tycho2 6199-01841-1
HD 142989 BD BD-20 4366
Tycho2
Tycho2 6199-01841-1 Pflag RAmdeg 239.62210325 DEmdeg -21.40110336
PmRA -13.3 PmDE -15.2 E RAmdeg 9 E DEmdeg 12
E pmRA 1.3 E pmDE 1.4 EpRAm 1990.50 EpDEm 1989.33
Num 9 Q RAmdeg 0.4 Q DEmdeg 1.2 Q pmRA 0.5
Q pmDE 1.2 BTmag 9.637 E BTmag 0.021 VTmag 9.150
E VTmag 0.017 Prox 999 TYC T HIP 78233
CCDM RAdeg 239.62213583 DEdeg -21.40106694 EpRA 1990 1.76
EpDE 1990 1.32 E RAdeg 8.5 E DEdeg 12.3 Posflg
Corr 0.1
SAO
SAO 183981 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.007 Vmag 8.8 SpType F2
Double code Source 23 CatNum 6594 DM BD-20 4366
DMcomp BDsup HD 142989 M HD 0
GC RA1950rad 4.16938601 DE1950rad -0.37103198 PmRA2000 0.0006
PmDE2000 -0.004
Hipparcos
Catalog H HIP 78233 Proxy RAhms 15 58 29.31
DEdms -21 24 03.8 Vmag 9.06 VarFlag R Vmag G
RAdeg 239.622 DEdeg -21.4011 AstroRef Plx 3.87
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 142989 BD BD-20 4366
CD CP Dm number -20 4366 VIred 0.59
SpType F2/F3IV/V R SpType Coord arcsec 2000 155829.31-212403.8
Hipparcos 2
HIP 78233 Sn 5 So 0 Nc 1
RArad 4.1821951814 DErad -0.3735190619 Plx 4.84 PmRA -7.89
PmDE -20.75 E RArad 1.17 E DErad 0.52 E Plx 1.37
E pmRA 1.51 E pmDE 1.17 Hpmag 9.1674 E Hpmag 0.0022
SHp 0.017 VA 0 BV 0.513 E BV 0.02
VI 0.59
CCDM
Ccdm 15585-2124 RComp Comp A Note1
Note2 Discov num DRAs -0.72 DDEs -4.4
R dRAs 40 Year Theta Rho
Obs 2 Vmag 9.1 Sp F2 PmNote *
PmRA 8 PmDE -7 Dm number -20 4366 Cat1 BD
Name2 183981 Cat2 SAO HD 142989 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 78233
 
 
15585-2124 Ab
 
 
Coord arcsec 2000 155829.31-212403.7 Mag 12 Calc delta mag 4.3 Calc coord yes
 
 
15585-2124 B
 
 
Coord arcsec 2000 155828.82-212346.1 Mag 12.6 PmRA -13.00 PmDE -11.0
Calc delta mag 4.9 Calc coord yes
CCDM
Ccdm 15585-2124 RComp Comp B Note1
Note2 Discov num JKS 8 DRAs -1.24 DDEs 13.6
R dRAs 40 Year 1977 Theta 337 Rho 19.1
Obs 1 Vmag 12.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC