16090-1900 HNK 6 Aa,Ab

 
 
16h 09m 02.60s -18° 59' 44.0" P.A. 253.00 sep 0.2 mag 7.90,10.50 Sp A0V dist. 122.7 pc (400.25 l.y.)
 
 
Coord 2000 16090-1900 Discov num HNK   6 Comp Aa,Ab Coord arcsec 2000 16 09 02.60 -18 59 44.0
Date first 2010 Date last 2019 Obs 3
Pa first 242 Pa last 252.7 P.A. Now (θ) 252.7°
Sep first 0.2 Sep last 0.174 Sep. Now (ρ) 0.174"
Mag pri 7.90 Mag sec 10.50 delta mag (ΔM) 2.6 Spectral class A0V (white)
Pri motion ra -007 Sec motion ra
Pri motion dec -023 Sec motion dec
Notes N W (See Notes, )
Nature of this double is uncertain.
 
 
16090-1900 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 159731 16 09 03 -18 59 44 HNK 6 Aa,Ab 2019 3 253 0.2 7.90 10.50 2.60 <===
Show HD 144925 159731 16 09 03 -18 59 44 KOU 54 AB 2019 7 100 1.0 7.13 10.38 3.25
Show 159731 16 09 03 -18 59 44 LAF 120 AC 2008 1 134 6.0 7.01 16.40 9.39
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Scorpius SAO 159731 HIP 79124 Tycho2 6209-01305-1
Gaia DR2 6248783275121192704 HD 144925 BD BD-18 4240 Distance 122.7
Distance ly 400.25
 
 
WDS 16090-1900 HNK 6 Aa,Ab : NOTES
 
 
discov_num notes refcode
HNK 6 Aa,Ab: Member of Sco-Cen Association. Mass of Aa 2.48 +0.32/-0.58Msun;
mass of Ab estimated at 135 +38/-33 Mjup (for age 10 Myr), or
201 +56/-44 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 KOU Kouwenhoven, M.B.N., Brown, A.G., Zinnecker, H., Kaper, L., & Portegies Zwart, S.
2 LAF Lafreniere, D., Doyon, R., Marois, C., Nadeau, D., Oppenheimer, B.R., Roche, P.F.,
2 LAF Rigaut, F., Graham, J.R., et al.
11 LAF Lafreniere, D., Jayawardhana, R., Janson, M., Helling, C., Witte, S., &
11 LAF Hauschildt, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16090-1900 HNK 6 Aa,Ab 2010 1 242 0.2 7.00 11.00 A0V N K 160902.60-185944.0
16090-1900 HNK 6 Aa,Ab 2018 2 104 0.0 7.00 11.00 A0V N K 160902.60-185944.0
16090-1900 HNK 6 Aa,Ab 2019 3 253 0.2 7.90 10.50 A0V N W 160902.60-185944.0

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

 
 
WDS 16090-1900 HNK 6 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16090-1900 HNK 6 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 16090-1900 : VIRTUAL EYEPIECE
 
 

16090-1900 KOU  54A mag 7.13 Sp A0V 16090-1900 HNK   6Ab sep 0.2 P.A. 251.80 mag 10.5 16090-1900 KOU  54B sep 0.9 P.A. 100.50 mag 10.38 16090-1900 LAF 120C sep 5.8 P.A. 135.90 mag 16.4 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 16090-1900 : ALADIN DSS IMAGE @ 16h 09m 02.60s -18° 59' 44.0"
 
 
 
 
WDS 16090-1900 HNK 6 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


16090-1900  HNK   6Aa,Ab distance=0' 16087-1901  TOK 751 distance=5' 16090-1909  IRE  10 distance=10' 16095-1853  TOK 752 distance=10' 16086-1912  TOK 750 distance=14' 16096-1848  KSA  91 distance=15' 16082-1909  KSA 127AB distance=15' 16082-1909  LAF 115AC distance=15' 16084-1912  LAF 116 distance=15' 16104-1904  KOH  76AB distance=20' 16104-1904  KOH  76AC distance=20' 16104-1904  KSA 133AD distance=20' 16104-1904  KSA 133AE distance=20' 16104-1904  KSA 133AF distance=20' 16105-1905  KOH  77 distance=21' 16105-1913  KSA  93AB distance=25' 16105-1913  KSA  93Aa,Ab distance=25' 16105-1913  LAF 124AC distance=25' 16093-1927  KOU  55EF distance=29' 16093-1927  USD 728Ea,Eb distance=29' 16107-1917  KSA  94AB distance=29' 16107-1917  USD 820Aa,Ab distance=29' 16111-1905  MSR   7 distance=31' 16071-1912  KOH  75AB distance=31' 16071-1912  LAF 110AC distance=31' 16071-1912  LAF 110AD distance=31' 16071-1912  LAF 110AE distance=31' 16071-1912  LAF 110AF distance=31' 16071-1912  LAF 110AG distance=31' 16080-1928  LAF 114 distance=32' 16107-1924  OCC 463 distance=34' 16067-1908  LAF 108AB distance=34' 16067-1908  LAF 108AC distance=34' 16067-1908  LAF 108AD distance=34' 16067-1908  LAF 108AE distance=34' 16091-1934  KSA  89 distance=35' 16084-1936  KSA 128AB distance=38' 16084-1936  KSA 128AC distance=38' 16084-1936  LAF 117AD distance=38' 16072-1927  LAF 112AC distance=39' 16072-1927  KSA 126AB distance=39' 16085-1940  ARA 703 distance=41' 16116-1839  HER  25AB distance=42' 16116-1839  KRS   4Ba,Bb distance=42' 16087-1942  TSN  63 distance=43' 16120-1907  KOH  78AB distance=43' 16120-1907  MSR   8AC distance=43' 16120-1907  MSR   8AD distance=43' 16120-1907  MSR   8AE distance=43' 16059-1858  RST3001 distance=45' 16099-1817  RST3006 distance=45' 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 16090-1900 KOU 54 AB 100 1.0
Show 16090-1900 LAF 120 AC 134 6.0
Show 16090-1900 HNK 6 Aa,Ab 253 0.2
Show 16087-1901 TOK 751 141 0.1 5
Show 16090-1909 IRE 10 275 6.8 10
Show 16095-1853 TOK 752 166 0.2 10
Show 16086-1912 TOK 750 143 0.3 14
Show 16096-1848 KSA 91 4 20.2 15
Show 16082-1909 KSA 127 AB 43 0.0 15
Show 16082-1909 LAF 115 AC 321 6.3 15
Show 16084-1912 LAF 116 320 10.2 15
Show 16104-1904 KOH 76 AB 7 4.6 20
Show 16104-1904 KOH 76 AC -1 -1.0 20
Show 16104-1904 KSA 133 AD 104 3.0 20
Show 16104-1904 KSA 133 AE 333 4.4 20
Show 16104-1904 KSA 133 AF 334 4.5 20
Show 16105-1905 KOH 77 57 0.3 21
Show 16105-1913 KSA 93 AB 114 5.7 25
Show 16105-1913 KSA 93 Aa,Ab 91 0.2 25
Show 16105-1913 LAF 124 AC 77 8.1 25
Show 16093-1927 KOU 55 EF 54 0.9 29
Show 16093-1927 USD 728 Ea,Eb 118 0.1 29
Show 16107-1917 KSA 94 AB 186 16.7 29
Show 16107-1917 USD 820 Aa,Ab 168 1.1 29
Show 16111-1905 MSR 7 204 10.0 31
Show 16071-1912 KOH 75 AB 90 0.6 31
Show 16071-1912 LAF 110 AC 265 3.3 31
Show 16071-1912 LAF 110 AD 346 5.5 31
Show 16071-1912 LAF 110 AE 205 7.1 31
Show 16071-1912 LAF 110 AF 140 10.8 31
Show 16071-1912 LAF 110 AG 275 12.6 31
Show 16080-1928 LAF 114 314 0.8 32
Show 16107-1924 OCC 463 -1 0.3 34
Show 16067-1908 LAF 108 AB 210 0.2 34
Show 16067-1908 LAF 108 AC 24 6.4 34
Show 16067-1908 LAF 108 AD 217 7.6 34
Show 16067-1908 LAF 108 AE 5 8.8 34
Show 16091-1934 KSA 89 329 1.3 35
Show 16084-1936 KSA 128 AB 65 0.7 38
Show 16084-1936 KSA 128 AC 252 4.1 38
Show 16084-1936 LAF 117 AD 289 6.3 38
Show 16072-1927 LAF 112 AC 25 6.5 39
Show 16072-1927 KSA 126 AB 51 0.1 39
Show 16085-1940 ARA 703 120 14.4 41
Show 16116-1839 HER 25 AB 218 1.3 42
Show 16116-1839 KRS 4 Ba,Bb 101 0.0 42
Show 16087-1942 TSN 63 231 13.3 43
Show 16120-1907 KOH 78 AB 192 3.4 43
Show 16120-1907 MSR 8 AC 336 7.2 43
Show 16120-1907 MSR 8 AD 209 10.0 43
Show 16120-1907 MSR 8 AE 73 14.3 43

 
 
WDS 16090-1900 : COMPONENTS
 
 
  A Ab B
Ab pa=251.8°
sep=0.17"
 
B pa=100.5°
sep=0.92"
pa=96.2°
sep=1.07"
 
C pa=135.9°
sep=5.84"
pa=134.5°
sep=5.92"
pa=141.9°
sep=5.12"
 
 
16090-1900 A
 
 
Name HD 144925 Coord arcsec 2000 160902.60-185944.0 Mag 7.13 Spectral class A0V (white)
PmRA -7.00 PmDE -23.0 SAO 159731 HIP 79124
Tycho2 6209-01305-1 HD 144925 GC 21703 BD BD-18 4240
Tycho2
Tycho2 6209-01305-1 Pflag RAmdeg 242.26083664 DEmdeg -18.99556982
PmRA -8.1 PmDE -25.1 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.22 EpDEm 1990.83
Num 10 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 8.032 E BTmag 0.016 VTmag 7.810
E VTmag 0.012 Prox 999 TYC T HIP 79124
CCDM RAdeg 242.26085667 DEdeg -18.99550972 EpRA 1990 1.64
EpDE 1990 1.43 E RAdeg 5.4 E DEdeg 6.0 Posflg
Corr 0.1
SAO
SAO 159731 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.026 Vmag 7.5 SpType A0
Double code Source 70 CatNum 21703 DM BD-18 4240
DMcomp BDsup HD 144925 M HD 0
GC 21703 RA1950rad 4.21559845 DE1950rad -0.32923952 PmRA2000 -0.0002
PmDE2000 -0.023
Hipparcos
Catalog H HIP 79124 Proxy RAhms 16 09 02.61
DEdms -18 59 43.8 Vmag 7.76 VarFlag R Vmag H
RAdeg 242.261 DEdeg -18.9955 AstroRef Plx 6.64
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 144925 BD BD-18 4240
CD CP Dm number -18 4240 VIred 0.28
SpType A0V R SpType Coord arcsec 2000 160902.61-185943.8
Hipparcos 2
HIP 79124 Sn 5 So 0 Nc 1
RArad 4.2282495717 DErad -0.3315341743 Plx 8.15 PmRA -7.13
PmDE -22.72 E RArad 0.61 E DErad 0.44 E Plx 0.66
E pmRA 0.79 E pmDE 0.6 Hpmag 7.8326 E Hpmag 0.0013
SHp 0.009 VA 0 BV 0.249 E BV 0.015
VI 0.28
 
 
16090-1900 Ab
 
 
Coord arcsec 2000 160902.59-185944.1 Mag 10.5 Calc delta mag 2.6 Calc coord yes
 
 
16090-1900 B
 
 
Coord arcsec 2000 160902.66-185944.2 Mag 10.38 Calc delta mag 2.48 Calc coord yes
 
 
16090-1900 C
 
 
Coord arcsec 2000 160902.89-185948.2 Mag 16.4 Calc delta mag 8.5 Calc coord yes