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Doubles in session


Current system
17315-6026
I 600
HD 158177


Nearby doubles
15' : 17311-6041
EHR 15AB

39' : 17315-5948
JSP 932

46' : 17255-6039
TDT 344

48' : 17371-6049
KPP1781

51' : 17272-6105
RSS 441

60' : 17249-6101
B 2408

61' : 17384-5956
HJ 4961

61' : 17240-6002
R 299

67' : 17308-5920
JSP 931

68' : 17344-6130
SWR 224

69' : 17231-5958
RST5078

70' : 17366-5928
KPP 998

71' : 17403-6001
UC 3381

74' : 17336-6138
RST5084

76' : 17417-6021
FIN 259

78' : 17211-6031
FIN 254

78' : 17403-5945
HDS2500

80' : 17249-5924
HDS2458

81' : 17295-6146
I 598AB

81' : 17207-6020
RST5076

86' : 17244-5919
JSP 717

89' : 17211-5944
RST5077

90' : 17435-6027
UC 3392

90' : 17248-5913
I 385AB

90' : 17360-5903
RST5089

90' : 17433-6009
I 609



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17315-6026 I 600 (HD 158177)

 
 
17h 31m 30.25s -60° 26' 24.7" P.A. 151.00 sep 0.5 mag 8.52,9.91 Sp F0V dist. 160.51 pc (523.58 l.y.)
 
 
Coord 2000 17315-6026 Discov num I   600 Comp Coord arcsec 2000 17 31 30.25 -60 26 24.7
Date first 1909 Date last 2017 Obs 27
Pa first 260 Pa last 150.7 P.A. Now (θ) 150.7°
Sep first 0.4 Sep last 0.518 Sep. Now (ρ) 0.518"
Mag pri 8.52 Mag sec 9.91 delta mag (ΔM) 1.39 Spectral class F0V (yellow-white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec -043 Sec motion dec -043
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 158177 Constellation Ara SAO 253948 HIP 85765
Tycho2 9053-00205-1 Gaia DR2 5912431093259367936 HD 158177 CP CP-60 6844
Distance 160.51 Distance ly 523.58
 
 
ORBITAL ELEMENTS
 
 
Period (P)333.9y Periastron (T)2183.52y Semi-major axis (a)0.5a
Eccentricity (e)0.16 Inclination (i)114.9° Longitude of periastron (ω)148°
Node (Ω)135.3° Notesn ReferenceTok2020g
Equinox2000 Last observation2017 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 158.2 0.442
2001 157.7 0.447
2002 157.1 0.451
2003 156.6 0.455
2004 156.0 0.460
2005 155.5 0.464
2006 155.0 0.468
2007 154.5 0.473
2008 154.0 0.477
2009 153.5 0.481
2010 153.0 0.485
2011 152.5 0.489
2012 152.1 0.492
2013 151.6 0.496
2014 151.2 0.500
2015 150.7 0.503
2016 150.3 0.507
2017 149.9 0.510
2018 149.4 0.513
2019 149.0 0.517
2020 148.6 0.520
2021 148.2 0.523
2022 147.8 0.526
2023 147.4 0.528
2024 147.0 0.531
2025 146.6 0.534
2026 146.2 0.536
2027 145.8 0.539
2028 145.4 0.541
2029 145.0 0.544
2030 144.6 0.546


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds17315-6026c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17315-6026 I 600 (HD 158177) : NOTES
 
 
discov_num notes refcode
I 600 Ruymaekers & Nys (1995) noted discrepancies in the orbit of Erceg & Ruy1995
Olevic (1988), and calculated elements from the Thiele-Innes Erc1988
elements originally given.
 
 
REFERENCES
 
 
refcode metd author reference
Erc1988 orb - Erceg, V. & Olevic, D. 1988BOBeo.138...76E
Erc1988 Bull. Obs. Astron. Belgrade #138, 76, 1988
Ruy1995 orb - Ruymaekers, G. & Nys, O. 1995IAUDS.126....1R
Ruy1995 Inf. Circ. 126, 1, 1995
Tok2020g orb - Tokovinin, A. 2020IAUDS.201....1A
Tok2020g Inf. Circ. 201, 1, 2020
 
 
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)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17315-6026 I 600 1991 23 161 0.4 8.52 9.91 F0V NOD 173130.25-602624.7
17315-6026 I 600 2008 25 153 0.5 8.52 9.91 F0V NOD 173130.25-602624.7
17315-6026 I 600 2017 26 151 0.5 8.52 9.91 F0V NO 173130.25-602624.7

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

 
 
WDS 17315-6026 I 600 (HD 158177) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17315-6026 I 600 (HD 158177) : MEASURES
 
 
No records found.

 
 
WDS 17315-6026 (HD 158177) : VIRTUAL EYEPIECE
 
 

17315-6026 I 600A mag 8.52 Sp F0V 17315-6026 I 600B sep 0.5 P.A. 164.50 mag 9.91 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 17315-6026 (HD 158177) : ALADIN DSS IMAGE @ 17h 31m 30.25s -60° 26' 24.7"
 
 
 
 
WDS 17315-6026 I 600 (HD 158177) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17315-6026 I 600 distance=0' 17311-6041 HJ 4951AE distance=15' 17311-6041 EHR 15AB distance=15' 17311-6041 EHR 15AC distance=15' 17311-6041 EHR 15AD distance=15' 17315-5948 JSP 932 distance=39' 17255-6039 TDT 344 distance=46' 17371-6049 KPP1781 distance=48' 17272-6105 RSS 441 distance=51' 17249-6101 B 2408 distance=60' 17384-5956 HJ 4961 distance=61' 17240-6002 R 299 distance=61' 17308-5920 JSP 931 distance=67' 17344-6130 SWR 224 distance=68' 17231-5958 RST5078 distance=69' 17366-5928 KPP 998 distance=70' 17403-6001 UC 3381 distance=71' 17336-6138 RST5084 distance=74' 17417-6021 FIN 259 distance=76' 17211-6031 FIN 254 distance=78' 17403-5945 HDS2500 distance=78' 17249-5924 HDS2458 distance=80' 17295-6146 I 598AB distance=81' 17295-6146 I 598AC distance=81' 17295-6146 I 598AD distance=81' 17207-6020 RST5076 distance=81' 17244-5919 JSP 717 distance=86' 17211-5944 RST5077 distance=89' 17435-6027 UC 3392 distance=90' 17248-5913 I 385AB distance=90' 17248-5913 WSI 87AD distance=90' 17248-5913 I 385AE distance=90' 17248-5913 I 385AB,C distance=90' 17360-5903 RST5089 distance=90' 17433-6009 I 609 distance=90' 17244-6141 JSP 716 distance=91' 17321-6157 I 601AB distance=91' 17197-6053 TDT 310 distance=91' 17190-6045 B 2830 distance=94' 17196-6101 TDT 308 distance=94' 17430-5947 UC 3389 distance=95' 17254-5903 R 300 distance=96' 17182-6027 CVN 28AB distance=99' 17182-6027 CVN 28Aa,Ab distance=99' 17182-6027 CVN 28AC distance=99' 17182-6027 CVN 28AD distance=99' 17182-6027 CVN 28AE distance=99' 17182-6027 CVN 28AF distance=99' 17182-6027 CVN 28AG distance=99' 17182-6027 CVN 28AH distance=99' 17182-6027 CVN 28AI distance=99' 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 17315-6026 I 600 151 0.5
Show 17311-6041 HJ 4951 AE 324 50.4 15
Show 17311-6041 EHR 15 AB 67 3.1 15
Show 17311-6041 EHR 15 AC 51 8.6 15
Show 17311-6041 EHR 15 AD 62 12.3 15
Show 17315-5948 JSP 932 171 5.2 39
Show 17255-6039 TDT 344 138 1.3 46
Show 17371-6049 KPP1781 217 13.8 48
Show 17272-6105 RSS 441 18 8.0 51
Show 17249-6101 B 2408 135 2.0 60
Show 17384-5956 HJ 4961 153 16.9 61
Show 17240-6002 R 299 342 10.7 61
Show 17308-5920 JSP 931 186 7.5 67
Show 17344-6130 SWR 224 270 31.8 68
Show 17231-5958 RST5078 45 0.5 69
Show 17366-5928 KPP 998 101 8.1 70
Show 17403-6001 UC 3381 228 37.8 71
Show 17336-6138 RST5084 316 1.0 74
Show 17417-6021 FIN 259 263 2.4 76
Show 17211-6031 FIN 254 245 2.9 78
Show 17403-5945 HDS2500 36 0.3 78
Show 17249-5924 HDS2458 354 1.0 80
Show 17295-6146 I 598 AB 136 1.2 81
Show 17295-6146 I 598 AC 31 15.9 81
Show 17295-6146 I 598 AD 268 52.6 81
Show 17207-6020 RST5076 227 0.7 81
Show 17244-5919 JSP 717 332 3.6 86
Show 17211-5944 RST5077 314 2.1 89
Show 17435-6027 UC 3392 255 66.0 90
Show 17248-5913 I 385 AB 117 0.4 90
Show 17248-5913 WSI 87 AD 271 0.3 90
Show 17248-5913 I 385 AE 109 28.1 90
Show 17248-5913 I 385 AB,C 210 17.3 90
Show 17360-5903 RST5089 139 2.0 90
Show 17433-6009 I 609 115 2.7 90
Show 17244-6141 JSP 716 87 2.7 91
Show 17321-6157 I 601 AB 78 6.4 91
Show 17197-6053 TDT 310 163 2.6 91
Show 17190-6045 B 2830 91 4.1 94
Show 17196-6101 TDT 308 292 2.6 94
Show 17430-5947 UC 3389 208 39.6 95
Show 17254-5903 R 300 348 8.8 96
Show 17182-6027 CVN 28 AB 315 3.9 99
Show 17182-6027 CVN 28 Aa,Ab 196 0.2 99
Show 17182-6027 CVN 28 AC 103 5.9 99
Show 17182-6027 CVN 28 AD 68 7.3 99
Show 17182-6027 CVN 28 AE 195 10.8 99
Show 17182-6027 CVN 28 AF 71 11.6 99
Show 17182-6027 CVN 28 AG 207 12.0 99
Show 17182-6027 CVN 28 AH 201 12.2 99
Show 17182-6027 CVN 28 AI 50 15.4 99

 
 
WDS 17315-6026 : COMPONENTS
 
 
  A
B pa=164.5°
sep=0.47"
 
 
17315-6026 A
 
 
Componente originario normalizzato AB Name HD 158177 Coord arcsec 2000 173130.25-602624.7 Mag 8.52
Spectral class F0V (yellow-white) PmRA -9.00 PmDE -43.0 SAO 253948
HIP 85765 Tycho2 9053-00205-1 HD 158177 CP CP-60 6844
Tycho2
Tycho2 9053-00205-1 Pflag RAmdeg 262.87607655 DEmdeg -60.44020564
PmRA -8.8 PmDE -42.7 E RAmdeg 6 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1991.15 EpDEm 1991.18
Num 10 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 8.723 E BTmag 0.017 VTmag 8.302
E VTmag 0.012 Prox 862 TYC T HIP 85765
CCDM AB RAdeg 262.87611806 DEdeg -60.44010889 EpRA 1990 1.80
EpDE 1990 1.83 E RAdeg 5.9 E DEdeg 6.2 Posflg P
Corr 0.1
SAO
SAO 253948 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.061 Vmag 8.3 SpType F0
Double code Source 43 CatNum 5286 DM CP-60 6844
DMcomp BDsup HD 158177 M HD 0
GC RA1950rad 4.56839393 DE1950rad -1.05422045 PmRA2000 -0.0016
PmDE2000 -0.062
Hipparcos
Catalog H HIP 85765 Proxy H RAhms 17 31 30.26
DEdms -60 26 24.2 Vmag 8.23 VarFlag R Vmag G
RAdeg 262.876 DEdeg -60.4401 AstroRef A Plx 5.1
CCDM 17315-6026 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 163 Rho 0.382 HD 158177 BD
CD CP CP-60 6844 Dm number -60 6844 VIred 0.46
SpType F0V R SpType Coord arcsec 2000 173130.26-602624.2
Hipparcos 2
HIP 85765 Sn 15 So 3 Nc 2
RArad 4.588053292 DErad -1.0548778967 Plx 6.23 PmRA -12.8
PmDE -40.83 E RArad 0.69 E DErad 0.7 E Plx 1.07
E pmRA 0.83 E pmDE 0.81 Hpmag 8.3266 E Hpmag 0.0019
SHp 0.014 VA 0 BV 0.397 E BV 0.015
VI 0.46
CCDM
Ccdm 17315-6026 RComp Comp A Note1
Note2 Discov num DRAs 0.31 DDEs -25.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.3 Sp F0 PmNote *
PmRA -6 PmDE -61 Dm number -60 6844 Cat1 CPD
Name2 253948 Cat2 SAO HD 158177 M HD
ADS BDS M ADS BDS N IDS IDS 17225S6022A
HIC 85765
 
 
17315-6026 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 173130.27-602625.2 Mag 9.91 PmRA -9.00
PmDE -43.0 Calc delta mag 1.39 Calc coord yes
CCDM
Ccdm 17315-6026 RComp Comp B Note1 *
Note2 Discov num I 600 DRAs DDEs
R dRAs Year 1952 Theta 198 Rho 0.2
Obs 13 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17225S6022B
HIC 85765