16539-1854 DON 815 AC

 
 
16h 53m 56.89s -18° 54' 20.7" P.A. 320.00 sep 9.3 mag 8.83,13.20 Sp A2IV/V
 
 
Coord 2000 16539-1854 Discov num DON 815 Comp AC Coord arcsec 2000 16 53 56.89 -18 54 20.7
Date first 1933 Date last 2015 Obs 4
Pa first 318 Pa last 320.3 P.A. Now (θ) 320.3°
Sep first 9.1 Sep last 9.293 Sep. Now (ρ) 9.293"
Mag pri 8.83 Mag sec 13.20 delta mag (ΔM) 4.37 Spectral class A2IV/V (white)
Pri motion ra -003 Sec motion ra -009
Pri motion dec -001 Sec motion dec -003
Notes
rPM=0.667
Nature of this double is uncertain.
 
 
16539-1854 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 160150 16 53 57 -18 54 21 DON 815 AB 2016 5 221 2.7 8.83 14.00 5.17
Show 160150 16 53 57 -18 54 21 DON 815 AC 2015 4 320 9.3 8.83 13.20 4.37 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 160150 Tycho2 6226-01514-1 Gaia DR2 4132096123183061248
HD 152419
 
 
WDS 16539-1854 DON 815 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Don1937 Ma j Donner, H.F. 1937MmRAS..65...51R
Don1937 MemRAS 65, 51, 1937
Don1955 Ma - Donner, H.F. 1955POMic..11....1R
Don1955 Pub. Univ. Michigan Obs. 11, 1, 1955
Don1964 Ma j Donner, H.F. 1964POMic...9...73R
Don1964 Pub. Univ. Michigan Obs. 9, 73, 1964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16539-1854 DON 815 AC 1998 2 320 9.4 8.83 13.20 D 165356.89-185420.7
16539-1854 DON 815 AC 1999 3 320 9.3 8.83 13.20 D 165356.89-185420.7
16539-1854 DON 815 AC 2010 4 323 8.7 8.83 13.20 A2IV/V 165356.89-185420.7
16539-1854 DON 815 AC 2015 4 320 9.3 8.83 13.20 A2IV/V 165356.89-185420.7

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

 
 
WDS 16539-1854 DON 815 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16539-1854 DON 815 AC : MEASURES
 
 
No records found.

 
 
WDS 16539-1854 : VIRTUAL EYEPIECE
 
 

16539-1854 DON 815A mag 8.83 Sp A2IV/V 16539-1854 DON 815B sep 2.6 P.A. 219.20 mag 14 16539-1854 DON 815C sep 9.1 P.A. 321.90 mag 13.2 virtual eyepiece
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Radius:
Components only
 
 
WDS 16539-1854 : ALADIN DSS IMAGE @ 16h 53m 56.89s -18° 54' 20.7"
 
 
 
 
WDS 16539-1854 DON 815 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


16539-1854  DON 815AC distance=0' 16539-1919  B  1838 distance=25' 16525-1921  TDT 125 distance=33' 16523-1921  GWP2675 distance=36' 16564-1904  GWP2680 distance=37' 16521-1820  DON 814 distance=42' 16561-1928  KPP4018 distance=46' 16523-1814  UC 3246 distance=47' 16571-1932  OCC 940Ba,Bb distance=59' 16571-1932  SHJ 240AB distance=59' 16577-1811  ARA 434 distance=69' 16509-1950  B  1830BC distance=71' 16509-1950  B  1830AB distance=71' 16490-1936  HJ 4888AB distance=82' 16593-1926  HDS2403 distance=82' 16505-2001  UC 3240 distance=83' 16586-1803  OL   99 distance=85' 17003-1854  DVG  45 distance=91' 16534-2025  WSI  86 distance=91' 17002-1813  RST3059 distance=99' 16531-1716  KPP1964 distance=100' 16475-1945  LDS 571 distance=103' 16467-1847  UC 3230 distance=104' 17019-1853  OCC  40 distance=113' 16490-1725  GWP2670 distance=114' 17004-1737  ARA 244 distance=121' 16573-1702  UC 3260 distance=123' 16470-2006  OCC 453 distance=123' 16454-1915  ARA 706 distance=124' 16545-2100  ARA1120 distance=126' 16466-1743  HU  313 distance=127' 17031-1904  BRT1501 distance=130' 16560-1648  KUI  76 distance=130' 16585-2047  JKS  14 distance=130' 17012-2026  HJ 4911AB distance=139' 17012-2026  HJ 4911AC distance=139' 17006-1714  OCC1029 distance=139' 17036-1928  HU 1174 distance=141' 16593-1654  HU  162 distance=143' 16462-1721  SKI  10 distance=145' 16489-1649  LDS4695 distance=146' 17014-1715  RST3061 distance=146' 16519-2120  RSS 419 distance=149' 17039-1956  RST3065 distance=155' 17030-1719  RST3063 distance=161' 17040-1742  RST3066 distance=161' 16582-2121  ARA1496 distance=162' 16555-2134  BU  241 distance=162' 16447-2029  ARA1119 distance=162' 17001-1639  HDS2406 distance=162' 17038-2023  HWE  38 distance=165' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 16539-1854 DON 815 AB 221 2.7
Show 16539-1854 DON 815 AC 320 9.3
Show 16539-1919 B 1838 256 0.7 25
Show 16525-1921 TDT 125 137 0.6 33
Show 16523-1921 GWP2675 37 83.9 36
Show 16564-1904 GWP2680 53 20.7 37
Show 16521-1820 DON 814 84 0.9 42
Show 16561-1928 KPP4018 166 2.7 46
Show 16523-1814 UC 3246 25 109.6 47
Show 16571-1932 OCC 940 Ba,Bb -1 0.0 59
Show 16571-1932 SHJ 240 AB 233 4.4 59
Show 16577-1811 ARA 434 153 11.8 69
Show 16509-1950 B 1830 BC 303 0.1 71
Show 16509-1950 B 1830 AB 59 0.4 71
Show 16490-1936 HJ 4888 AB 223 13.5 82
Show 16593-1926 HDS2403 264 0.4 82
Show 16505-2001 UC 3240 197 45.9 83
Show 16586-1803 OL 99 128 3.0 85
Show 17003-1854 DVG 45 233 119.9 91
Show 16534-2025 WSI 86 180 0.4 91
Show 17002-1813 RST3059 252 5.6 99
Show 16531-1716 KPP1964 118 15.5 100
Show 16475-1945 LDS 571 25 196.6 103
Show 16467-1847 UC 3230 314 11.4 104
Show 17019-1853 OCC 40 -1 0.1 113
Show 16490-1725 GWP2670 9 44.5 114
Show 17004-1737 ARA 244 322 7.2 121
Show 16573-1702 UC 3260 302 24.7 123
Show 16470-2006 OCC 453 -1 0.1 123
Show 16454-1915 ARA 706 92 9.0 124
Show 16545-2100 ARA1120 2 6.3 126
Show 16466-1743 HU 313 320 0.3 127
Show 17031-1904 BRT1501 167 3.6 130
Show 16560-1648 KUI 76 299 23.6 130
Show 16585-2047 JKS 14 125 12.9 130
Show 17012-2026 HJ 4911 AB 176 96.1 139
Show 17012-2026 HJ 4911 AC 13 11.2 139
Show 17006-1714 OCC1029 61 0.1 139
Show 17036-1928 HU 1174 76 3.7 141
Show 16593-1654 HU 162 197 0.7 143
Show 16462-1721 SKI 10 84 3.3 145
Show 16489-1649 LDS4695 25 16.3 146
Show 17014-1715 RST3061 211 0.3 146
Show 16519-2120 RSS 419 164 18.1 149
Show 17039-1956 RST3065 341 3.4 155
Show 17030-1719 RST3063 162 1.1 161
Show 17040-1742 RST3066 103 0.5 161
Show 16582-2121 ARA1496 173 12.3 162
Show 16555-2134 BU 241 31 0.3 162
Show 16447-2029 ARA1119 193 6.4 162
Show 17001-1639 HDS2406 171 0.2 162

 
 
WDS 16539-1854 : COMPONENTS
 
 
  A B
B pa=219.2°
sep=2.62"
 
C pa=321.9°
sep=9.09"
pa=336.7°
sep=10.00"
 
 
16539-1854 A
 
 
Coord arcsec 2000 165356.89-185420.7 Mag 8.83 Spectral class A2IV/V (white) PmRA -20.00
PmDE 1.0 SAO 160150 Tycho2 6226-01514-1 HD 152419
DM BD-18 4350
Tycho2
Tycho2 6226-01514-1 Pflag RAmdeg 253.48707479 DEmdeg -18.90577232
PmRA -4.8 PmDE -2.8 E RAmdeg 8 E DEmdeg 9
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.73 EpDEm 1990.36
Num 9 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 1.1
Q pmDE 0.7 BTmag 9.154 E BTmag 0.019 VTmag 8.834
E VTmag 0.016 Prox 919 TYC T HIP
CCDM RAdeg 253.48708694 DEdeg -18.90576556 EpRA 1990 1.61
EpDE 1990 1.46 E RAdeg 8.1 E DEdeg 9.4 Posflg
Corr 0.3
SAO
SAO 160150 DelFlag RA1950 PmRA1950 -0.0049
DE1950 PmDE1950 -0.013 Vmag 8.1 SpType A0
Double code Source 22 CatNum 6891 DM BD-18 4350
DMcomp BDsup HD 152419 M HD 0
GC RA1950rad 4.41140692 DE1950rad -0.3285576 PmRA2000 -0.0048
PmDE2000 -0.011
CCDM
Ccdm 16539-1854 RComp Comp A Note1
Note2 Discov num DRAs 2.58 DDEs -21.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.8 Sp A0 PmNote *
PmRA -70 PmDE -13 Dm number -18 4350 Cat1 BD
Name2 160150 Cat2 SAO HD 152419 M HD
ADS BDS M ADS BDS N IDS IDS 16481S1844A
HIC
 
 
16539-1854 B
 
 
Coord arcsec 2000 165356.77-185422.7 Mag 14 Calc delta mag 5.17 Calc coord yes
CCDM
Ccdm 16539-1854 RComp Comp B Note1
Note2 Discov num DON 815 DRAs DDEs
R dRAs Year 1932 Theta 221 Rho 2.2
Obs 4 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16481S1844B
HIC
 
 
16539-1854 C
 
 
Coord arcsec 2000 165356.49-185413.5 Mag 13.2 PmRA -9.00 PmDE -3.0
Calc delta mag 4.37 Calc coord yes
CCDM
Ccdm 16539-1854 RComp Comp C Note1
Note2 Discov num DON 815 DRAs DDEs
R dRAs Year 1932 Theta 318 Rho 9.0
Obs 2 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 16481S1844C
HIC