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Doubles in session


Current system
16093-1927
KOU 55 EF
HD 144981


Nearby doubles
8' : 16091-1934
KSA 89

16' : 16084-1936
KSA 128AB

18' : 16087-1942
TSN 63

18' : 16085-1940
ARA 703

19' : 16080-1928
LAF 114

19' : 16086-1912
TOK 750

20' : 16090-1909
IRE 10

20' : 16107-1924
OCC 463

21' : 16084-1912
LAF 116

22' : 16107-1917
KSA 94AB

23' : 16105-1913
KSA 93AB

23' : 16102-1946
LAF 122AB

24' : 16109-1938
LAF 125

25' : 16082-1909
KSA 127AB

28' : 16104-1904
KOH 76AB

28' : 16105-1905
KOH 77

29' : 16087-1901
TOK 751

29' : 16090-1900
KOU 54AB

29' : 16107-1947
J 2665AB

32' : 16072-1927
KSA 126AB

35' : 16111-1905
MSR 7

35' : 16117-1935
GWP2607

35' : 16095-1853
TOK 752

36' : 16071-1912
KOH 75AB

38' : 16120-1928
BU 120AB
Jabbah

40' : 16096-1848
KSA 91



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

16093-1927 KOU 55 EF (HD 144981)

 
 
16h 09m 20.88s -19° 27' 25.9" P.A. 54.00 sep 0.9 mag 7.61,10.77 Sp A0V dist. 170.36 pc (555.71 l.y.)
 
 
Coord 2000 16093-1927 Discov num KOU  55 Comp EF Coord arcsec 2000 16 09 20.88 -19 27 25.9
Date first 2000 Date last 2019 Obs 4
Pa first 59 Pa last 53.5 P.A. Now (θ) 53.5°
Sep first 0.9 Sep last 0.873 Sep. Now (ρ) 0.873"
Mag pri 7.61 Mag sec 10.77 delta mag (ΔM) 3.16 Spectral class A0V (white)
Pri motion ra -008 Sec motion ra
Pri motion dec -023 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.
 
 
16093-1927 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 159736 16 09 21 -19 27 26 USD 728 Ea,Eb 2018 1 118 0.1 8.00 11.70 3.70
Show HD 144981 159736 16 09 21 -19 27 26 KOU 55 EF 2019 4 54 0.9 7.61 10.77 3.16 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 144981 Constellation Scorpius SAO 159736 HIP 79156
Tycho2 6209-00834-1 HD 144981 GC 21716 BD BD-19 4322
Distance 170.36 Distance ly 555.71
 
 
WDS 16093-1927 KOU 55 EF (HD 144981) : 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
USA2005 US Numbers from Esplin et al. (2018AJ....156...75E). Double star results in Tok2020a .
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16093-1927 KOU 55 EF 2018 3 234 0.9 7.61 10.77 A0V VWK 160920.88-192725.9
16093-1927 KOU 55 EF 2019 4 54 0.9 7.61 10.77 A0V VWK 160920.88-192725.9

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

 
 
WDS 16093-1927 KOU 55 EF (HD 144981) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16093-1927 KOU 55 EF (HD 144981) : MEASURES
 
 
No records found.

 
 
WDS 16093-1927 (HD 144981) : VIRTUAL EYEPIECE
 
 

16093-1927 KOU 55E sep 0.1 P.A. 299.70 mag 7.61 Sp A0V 16093-1927 USD 728Eb mag 11.7 16093-1927 KOU 55F sep 0.8 P.A. 46.40 mag 10.77 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 16093-1927 (HD 144981) : ALADIN DSS IMAGE @ 16h 09m 20.88s -19° 27' 25.9"
 
 
 
 
WDS 16093-1927 KOU 55 EF (HD 144981) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16093-1927 KOU 55EF distance=1' 16093-1927 USD 728Ea,Eb distance=1' 16091-1934 KSA 89 distance=8' 16084-1936 KSA 128AB distance=16' 16084-1936 KSA 128AC distance=16' 16084-1936 LAF 117AD distance=16' 16087-1942 TSN 63 distance=18' 16085-1940 ARA 703 distance=18' 16080-1928 LAF 114 distance=19' 16086-1912 TOK 750 distance=19' 16090-1909 IRE 10 distance=20' 16107-1924 OCC 463 distance=20' 16084-1912 LAF 116 distance=21' 16107-1917 KSA 94AB distance=22' 16107-1917 USD 820Aa,Ab distance=22' 16105-1913 KSA 93AB distance=23' 16105-1913 KSA 93Aa,Ab distance=23' 16105-1913 LAF 124AC distance=23' 16102-1946 LAF 122AB distance=23' 16102-1946 LAF 122AC distance=23' 16102-1946 LAF 122AD distance=23' 16109-1938 LAF 125 distance=24' 16082-1909 KSA 127AB distance=25' 16082-1909 LAF 115AC distance=25' 16104-1904 KOH 76AB distance=28' 16104-1904 KOH 76AC distance=28' 16104-1904 KSA 133AD distance=28' 16104-1904 KSA 133AE distance=28' 16104-1904 KSA 133AF distance=28' 16105-1905 KOH 77 distance=28' 16087-1901 TOK 751 distance=29' 16090-1900 KOU 54AB distance=29' 16090-1900 LAF 120AC distance=29' 16090-1900 HNK 6Aa,Ab distance=29' 16107-1947 J 2665AB distance=29' 16107-1947 J 2665AC distance=29' 16072-1927 LAF 112AC distance=32' 16072-1927 KSA 126AB distance=32' 16111-1905 MSR 7 distance=35' 16117-1935 GWP2607 distance=35' 16095-1853 TOK 752 distance=35' 16071-1912 KOH 75AB distance=36' 16071-1912 LAF 110AC distance=36' 16071-1912 LAF 110AD distance=36' 16071-1912 LAF 110AE distance=36' 16071-1912 LAF 110AF distance=36' 16071-1912 LAF 110AG distance=36' 16120-1928 MTL 2CD distance=38' 16120-1928 CHR 146Aa,Ab (Jabbah) distance=38' 16120-1928 BU 120AB (Jabbah) distance=38' 16120-1928 H 5 6AC (Jabbah) distance=38' 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 16093-1927 KOU 55 EF 54 0.9 1
Show 16093-1927 USD 728 Ea,Eb 118 0.1 1
Show 16091-1934 KSA 89 329 1.3 8
Show 16084-1936 KSA 128 AB 65 0.7 16
Show 16084-1936 KSA 128 AC 252 4.1 16
Show 16084-1936 LAF 117 AD 289 6.3 16
Show 16087-1942 TSN 63 231 13.3 18
Show 16085-1940 ARA 703 120 14.4 18
Show 16080-1928 LAF 114 314 0.8 19
Show 16086-1912 TOK 750 143 0.3 19
Show 16090-1909 IRE 10 275 6.8 20
Show 16107-1924 OCC 463 -1 0.3 20
Show 16084-1912 LAF 116 320 10.2 21
Show 16107-1917 KSA 94 AB 186 16.7 22
Show 16107-1917 USD 820 Aa,Ab 168 1.1 22
Show 16105-1913 KSA 93 AB 114 5.7 23
Show 16105-1913 KSA 93 Aa,Ab 91 0.2 23
Show 16105-1913 LAF 124 AC 77 8.1 23
Show 16102-1946 LAF 122 AB 163 8.3 23
Show 16102-1946 LAF 122 AC 189 10.3 23
Show 16102-1946 LAF 122 AD 255 10.5 23
Show 16109-1938 LAF 125 156 7.3 24
Show 16082-1909 KSA 127 AB 43 0.0 25
Show 16082-1909 LAF 115 AC 321 6.3 25
Show 16104-1904 KOH 76 AB 7 4.6 28
Show 16104-1904 KOH 76 AC -1 -1.0 28
Show 16104-1904 KSA 133 AD 104 3.0 28
Show 16104-1904 KSA 133 AE 333 4.4 28
Show 16104-1904 KSA 133 AF 334 4.5 28
Show 16105-1905 KOH 77 57 0.3 28
Show 16087-1901 TOK 751 141 0.1 29
Show 16090-1900 KOU 54 AB 100 1.0 29
Show 16090-1900 LAF 120 AC 134 6.0 29
Show 16090-1900 HNK 6 Aa,Ab 253 0.2 29
Show 16107-1947 J 2665 AB 312 6.6 29
Show 16107-1947 J 2665 AC 82 17.9 29
Show 16072-1927 LAF 112 AC 25 6.5 32
Show 16072-1927 KSA 126 AB 51 0.1 32
Show 16111-1905 MSR 7 204 10.0 35
Show 16117-1935 GWP2607 50 24.0 35
Show 16095-1853 TOK 752 166 0.2 35
Show 16071-1912 KOH 75 AB 90 0.6 36
Show 16071-1912 LAF 110 AC 265 3.3 36
Show 16071-1912 LAF 110 AD 346 5.5 36
Show 16071-1912 LAF 110 AE 205 7.1 36
Show 16071-1912 LAF 110 AF 140 10.8 36
Show 16071-1912 LAF 110 AG 275 12.6 36
Show 16120-1928 MTL 2 CD 55 2.4 38
Show Jabbah 16120-1928 CHR 146 Aa,Ab 344 0.1 38
Show Jabbah 16120-1928 BU 120 AB 1 1.4 38
Show Jabbah 16120-1928 H 5 6 AC 336 41.3 38

 
 
WDS 16093-1927 : COMPONENTS
 
 
  E Eb
Eb pa=119.7°
sep=0.08"
 
F pa=51.9°
sep=0.84"
pa=46.4°
sep=0.81"
 
 
16093-1927 E
 
 
Name HD 144981 Coord arcsec 2000 160920.88-192725.9 Mag 7.61 Spectral class A0V (white)
PmRA -8.00 PmDE -23.0 SAO 159736 HIP 79156
Tycho2 6209-00834-1 HD 144981 GC 21716 BD BD-19 4322
Tycho2
Tycho2 6209-00834-1 Pflag RAmdeg 242.33703384 DEmdeg -19.45720990
PmRA -8.9 PmDE -22.1 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.83 EpDEm 1990.73
Num 15 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 8.263 E BTmag 0.016 VTmag 8.066
E VTmag 0.013 Prox 493 TYC T HIP 79156
CCDM RAdeg 242.33705528 DEdeg -19.45715778 EpRA 1990 1.70
EpDE 1990 1.45 E RAdeg 5.5 E DEdeg 6.3 Posflg
Corr 0.1
SAO
SAO 159736 DelFlag RA1950 PmRA1950 -0.0013
DE1950 PmDE1950 0.002 Vmag 8.4 SpType A0
Double code Source 70 CatNum 21716 DM BD-19 4322
DMcomp BDsup HD 144981 M HD 0
GC 21716 RA1950rad 4.21688425 DE1950rad -0.33729444 PmRA2000 -0.0012
PmDE2000 0.005
Hipparcos
Catalog H HIP 79156 Proxy RAhms 16 09 20.89
DEdms -19 27 25.8 Vmag 8.06 VarFlag R Vmag G
RAdeg 242.337 DEdeg -19.4572 AstroRef Plx 6.03
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 144981 BD BD-19 4322
CD CP Dm number -19 4322 VIred 0.27
SpType A0V R SpType Coord arcsec 2000 160920.89-192725.8
Hipparcos 2
HIP 79156 Sn 5 So 0 Nc 1
RArad 4.229579548 DErad -0.339591424 Plx 5.87 PmRA -9.03
PmDE -21.55 E RArad 0.85 E DErad 0.53 E Plx 0.88
E pmRA 0.96 E pmDE 0.7 Hpmag 8.1144 E Hpmag 0.0018
SHp 0.014 VA 0 BV 0.241 E BV 0.015
VI 0.27
 
 
16093-1927 Eb
 
 
Coord arcsec 2000 160920.89-192725.9 Mag 11.7 Calc delta mag 3.7 Calc coord yes
 
 
16093-1927 F
 
 
Coord arcsec 2000 160920.93-192725.4 Mag 10.77 Calc delta mag 3.16 Calc coord yes