17248-5913 I 385 AB (HD 157081)

 
 
17h 24m 45.86s -59° 12' 49.1" P.A. 117.00 sep 0.4 mag 7.56,8.65 Sp A0V dist. 317.46 pc (1035.55 l.y.)
 
 
Coord 2000 17248-5913 Discov num I   385 Comp AB Coord arcsec 2000 17 24 45.86 -59 12 49.1
Date first 1900 Date last 2022 Obs 37
Pa first 184 Pa last 117.2 P.A. Now (θ) 117.2°
Sep first 0.5 Sep last 0.409 Sep. Now (ρ) 0.409"
Mag pri 7.56 Mag sec 8.65 delta mag (ΔM) 1.09 Spectral class A0V (white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec -012 Sec motion dec -012
Notes N (See Notes)
Nature of this double is uncertain.
 
 
17248-5913 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 157081 244705 17 24 46 -59 12 49 I 385 AB 2022 37 117 0.4 7.56 8.65 1.09 <===
Show 244705 17 24 46 -59 12 49 I 385 AB,C 2000 4 210 17.3 7.22 13.00 5.78
Show 244705 17 24 46 -59 12 49 WSI 87 AD 2022 22 271 0.3 7.56 8.10 0.54
Show 244705 17 24 46 -59 12 49 I 385 AE 2015 4 109 28.1 7.56 13.00 5.44
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157081 Constellation Ara SAO 244705 HIP 85216
Tycho2 8740-01641-1 Gaia DR2 5915655269363096448 HD 157081 CP CP-59 6998
Distance 317.46 Distance ly 1035.55
 
 
WDS 17248-5913 I 385 AB (HD 157081) : NOTES
 
 
discov_num notes refcode
WSI 87 Comparable separations of AB and AD suggest a possibly dynamically Tok2010b
unstable configuration, which is very unlikely. Companion D cannot be
a chance projection: it is too bright and would have been spotted
before.
 
 
REFERENCES
 
 
refcode metd author reference
Tok2010b S - Tokovinin, A. ...................
Tok2010b private communication
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
91 WSI Douglass, G.G., Hindsley, R.B., & Worley, C.E.
100 WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
100 WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
103 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
103 WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
104 WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
104 WSI Hennessy, G.S., Platais, I., et al.
105 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
105 WSI Hennessy, G.S., Rafferty, T.J., et al.
132 WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
132 WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
142 WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
142 WSI M., Kilian, C.M. & Warner, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17248-5913 I 385 AB 1991 16 121 0.5 7.56 8.65 A0V D 172445.86-591249.1
17248-5913 I 385 AB 2009 23 301 0.4 7.56 8.65 A0V D 172445.86-591249.1
17248-5913 I 385 AB 2010 24 121 0.4 7.56 8.65 A0V N D 172445.86-591249.1
17248-5913 I 385 AB 2011 27 121 0.4 7.56 8.65 A0V N D 172445.86-591249.1
17248-5913 I 385 AB 2012 28 120 0.4 7.56 8.65 A0V N D 172445.86-591249.1
17248-5913 I 385 AB 2013 29 120 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2014 30 120 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2015 31 120 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2017 33 119 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2018 34 119 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2019 35 118 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2021 36 118 0.4 7.56 8.65 A0V N 172445.86-591249.1
17248-5913 I 385 AB 2022 37 117 0.4 7.56 8.65 A0V N 172445.86-591249.1

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

 
 
WDS 17248-5913 I 385 AB (HD 157081) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17248-5913 I 385 AB (HD 157081) : MEASURES
 
 
No records found.

 
 
WDS 17248-5913 (HD 157081) : VIRTUAL EYEPIECE
 
 

17248-5913 I   385A mag 7.56 Sp A0V 17248-5913 I   385B sep 0.3 P.A. 135.10 mag 8.65 17248-5913 I   385C sep 15.7 P.A. 196.20 mag 13 17248-5913 WSI  87D sep 0.1 P.A. 271.60 mag 8.1 17248-5913 I   385E sep 16.4 P.A. 124.10 mag 13 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 17248-5913 (HD 157081) : ALADIN DSS IMAGE @ 17h 24m 45.86s -59° 12' 49.1"
 
 
 
 
WDS 17248-5913 I 385 AB (HD 157081) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17248-5913  I   385AB distance=0' 17244-5919  JSP 717 distance=7' 17254-5903  R   300 distance=11' 17249-5924  HDS2458 distance=11' 17234-5857  TDT 334 distance=20' 17222-5902  HJ 4934 distance=24' 17206-5926  HJ 4931 distance=35' 17211-5944  RST5077 distance=42' 17308-5920  JSP 931 distance=47' 17228-5828  COO 213AB distance=47' 17228-5828  COO 213AC distance=47' 17231-5958  RST5078 distance=47' 17256-5825  I   594 distance=49' 17240-6002  R   299 distance=50' 17192-5942  HDO 312 distance=52' 17181-5932  RST5075 distance=54' 17315-5948  JSP 932 distance=63' 17229-5801  HDO 270AB distance=74' 17229-5801  HDO 270AC distance=74' 17177-5824  BRT3182 distance=74' 17207-6020  RST5076 distance=75' 17147-5857  TDT 285 distance=79' 17211-6031  FIN 254 distance=84' 17173-6016  B  1853 distance=86' 17255-6039  TDT 344 distance=87' 17360-5903  RST5089 distance=88' 17341-5824  RST5086 distance=88' 17182-6027  CVN  28AB distance=90' 17182-6027  CVN  28Aa,Ab distance=90' 17182-6027  CVN  28AC distance=90' 17182-6027  CVN  28AD distance=90' 17182-6027  CVN  28AE distance=90' 17182-6027  CVN  28AF distance=90' 17182-6027  CVN  28AG distance=90' 17182-6027  CVN  28AH distance=90' 17182-6027  CVN  28AI distance=90' 17315-6026  I   600 distance=90' 17366-5928  KPP 998 distance=92' 17130-5836  HJ 4920 distance=99' 17118-5919  JSP 708 distance=101' 17311-6041  HJ 4951AE distance=101' 17311-6041  EHR  15AB distance=101' 17311-6041  EHR  15AC distance=101' 17311-6041  EHR  15AD distance=101' 17190-6045  B  2830 distance=102' 17141-6015  HDS2435 distance=102' 17128-6000  KPP1242 distance=103' 17197-6053  TDT 310 distance=107' 17206-5730  BRT2822 distance=108' 17301-5733  HJ 4950 distance=108' 17249-6101  B  2408 distance=109' 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 17248-5913 I 385 AB 117 0.4
Show 17248-5913 WSI 87 AD 271 0.3
Show 17248-5913 I 385 AE 109 28.1
Show 17248-5913 I 385 AB,C 210 17.3
Show 17244-5919 JSP 717 332 3.6 7
Show 17254-5903 R 300 348 8.8 11
Show 17249-5924 HDS2458 354 1.0 11
Show 17234-5857 TDT 334 157 1.6 20
Show 17222-5902 HJ 4934 269 14.6 24
Show 17206-5926 HJ 4931 255 0.8 35
Show 17211-5944 RST5077 314 2.1 42
Show 17308-5920 JSP 931 186 7.5 47
Show 17228-5828 COO 213 AB 285 9.2 47
Show 17228-5828 COO 213 AC 92 30.8 47
Show 17231-5958 RST5078 45 0.5 47
Show 17256-5825 I 594 241 4.1 49
Show 17240-6002 R 299 342 10.7 50
Show 17192-5942 HDO 312 275 27.3 52
Show 17181-5932 RST5075 224 1.5 54
Show 17315-5948 JSP 932 171 5.2 63
Show 17229-5801 HDO 270 AB 184 1.8 74
Show 17229-5801 HDO 270 AC 153 40.0 74
Show 17177-5824 BRT3182 50 2.6 74
Show 17207-6020 RST5076 227 0.7 75
Show 17147-5857 TDT 285 190 0.5 79
Show 17211-6031 FIN 254 245 2.9 84
Show 17173-6016 B 1853 40 4.0 86
Show 17255-6039 TDT 344 138 1.3 87
Show 17360-5903 RST5089 139 2.0 88
Show 17341-5824 RST5086 17 2.9 88
Show 17182-6027 CVN 28 AB 315 3.9 90
Show 17182-6027 CVN 28 Aa,Ab 196 0.2 90
Show 17182-6027 CVN 28 AC 103 5.9 90
Show 17182-6027 CVN 28 AD 68 7.3 90
Show 17182-6027 CVN 28 AE 195 10.8 90
Show 17182-6027 CVN 28 AF 71 11.6 90
Show 17182-6027 CVN 28 AG 207 12.0 90
Show 17182-6027 CVN 28 AH 201 12.2 90
Show 17182-6027 CVN 28 AI 50 15.4 90
Show 17315-6026 I 600 151 0.5 90
Show 17366-5928 KPP 998 101 8.1 92
Show 17130-5836 HJ 4920 322 2.9 99
Show 17118-5919 JSP 708 273 1.5 101
Show 17311-6041 HJ 4951 AE 324 50.4 101
Show 17311-6041 EHR 15 AB 67 3.1 101
Show 17311-6041 EHR 15 AC 51 8.6 101
Show 17311-6041 EHR 15 AD 62 12.3 101
Show 17190-6045 B 2830 91 4.1 102
Show 17141-6015 HDS2435 316 2.5 102
Show 17128-6000 KPP1242 344 9.6 103
Show 17197-6053 TDT 310 163 2.6 107

 
 
WDS 17248-5913 : COMPONENTS
 
 
  A B C D
B pa=135.1°
sep=0.26"
 
C pa=196.2°
sep=15.68"
pa=197.1°
sep=15.56"
 
D pa=271.6°
sep=0.15"
pa=299.8°
sep=0.38"
pa=15.7°
sep=15.65"
 
E pa=124.1°
sep=16.38"
pa=123.9°
sep=16.13"
pa=71.9°
sep=18.89"
pa=123.8°
sep=16.51"
 
 
17248-5913 A
 
 
Name HD 157081 Coord arcsec 2000 172445.86-591249.1 Mag 7.56 Spectral class A0V (white)
PmRA -9.00 PmDE -12.0 SAO 244705 HIP 85216
Tycho2 8740-01641-1 HD 157081 CP CP-59 6998
Tycho2
Tycho2 8740-01641-1 Pflag RAmdeg 261.19111439 DEmdeg -59.21367622
PmRA -8.5 PmDE -11.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.58 EpDEm 1991.54
Num 9 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 7.312 E BTmag 0.015 VTmag 7.257
E VTmag 0.010 Prox 999 TYC T HIP 85216
CCDM AB RAdeg 261.19115194 DEdeg -59.21364944 EpRA 1990 1.84
EpDE 1990 1.81 E RAdeg 3.9 E DEdeg 4.4 Posflg P
Corr 0.2
SAO
SAO 244705 DelFlag RA1950 PmRA1950 -0.0031
DE1950 PmDE1950 -0.009 Vmag 7.3 SpType A0
Double code Source 43 CatNum 5563 DM CP-59 6998
DMcomp BDsup HD 157081 M HD 0
GC RA1950rad 4.53942717 DE1950rad -1.03267813 PmRA2000 -0.0039
PmDE2000 -0.01
Hipparcos
Catalog H HIP 85216 Proxy H RAhms 17 24 45.86
DEdms -59 12 49.1 Vmag 7.22 VarFlag R Vmag H
RAdeg 261.191 DEdeg -59.2136 AstroRef A Plx 4.74
CCDM 17248-5913 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 118 Rho 0.452 HD 157081 BD
CD CP CP-59 6998 Dm number -59 6998 VIred 0.03
SpType A0V R SpType Coord arcsec 2000 172445.86-591249.1
Hipparcos 2
HIP 85216 Sn 15 So 3 Nc 2
RArad 4.5586444841 DErad -1.033472824 Plx 3.15 PmRA -8.67
PmDE -14.5 E RArad 0.88 E DErad 0.72 E Plx 0.96
E pmRA 1.07 E pmDE 0.79 Hpmag 7.242 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0.04 E BV 0.008
VI 0.06
CCDM
Ccdm 17248-5913 RComp Comp A Note1
Note2 Discov num DRAs -2.23 DDEs 11.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.0 Sp A0 PmNote *
PmRA -24 PmDE -9 Dm number -59 6998 Cat1 CPD
Name2 244705 Cat2 SAO HD 157081 M HD
ADS BDS M ADS BDS N IDS IDS 17160S5907A
HIC 85216
 
 
17248-5913 B
 
 
Coord arcsec 2000 172445.88-591249.3 Mag 8.65 PmRA -9.00 PmDE -12.0
Calc delta mag 1.09 Calc coord yes
CCDM
Ccdm 17248-5913 RComp Comp B Note1
Note2 Discov num I 385 DRAs DDEs
R dRAs Year 1942 Theta 149 Rho 0.4
Obs 6 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17160S5907B
HIC 85216
 
 
17248-5913 C
 
 
Coord arcsec 2000 172445.29-591304.2 Mag 13 PmRA -13.00 PmDE -23.0
Calc delta mag 5.44 Calc coord yes
CCDM
Ccdm 17248-5913 RComp Comp C Note1
Note2 Discov num I 385 DRAs DDEs
R dRAs Year 1901 Theta 211 Rho 17.8
Obs 1 Vmag 13.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17160S5907C
HIC
 
 
17248-5913 D
 
 
Coord arcsec 2000 172445.84-591249.1 Mag 8.1 Calc delta mag 0.54 Calc coord yes
 
 
17248-5913 E
 
 
Coord arcsec 2000 172447.63-591258.3 Mag 13 PmRA 7.00 PmDE -15.0
Calc delta mag 5.44 Calc coord yes