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Doubles in session


Current system
17471+1742
STF 2215
HD 161833


Nearby doubles
17' : 17483+1740
BPM 700

21' : 17457+1743
STF2205

23' : 17484+1727
ARG 79

27' : 17487+1728
DAM 280

28' : 17453+1750
TDT 488

46' : 17440+1738
TOB 265

46' : 17503+1737
BPM 702

48' : 17438+1742
TOB 264

50' : 17476+1831
UC 3409

56' : 17433+1741
STH 4

56' : 17433+1751
BPM 696

56' : 17457+1650
A 2092

62' : 17477+1641
UC 3411

63' : 17513+1723
TDT 536

64' : 17429+1724
TOB 266

66' : 17439+1829
TDT 480

68' : 17510+1821
HDS2517

74' : 17489+1633
TDT 519

76' : 17524+1733
BPM 703

83' : 17524+1708
TDT 550

84' : 17428+1646
BPMA 51

84' : 17478+1619
HEI 254

86' : 17421+1707
LDS1001

87' : 17445+1900
STF2206

97' : 17530+1655
CRC 27AB

103' : 17537+1702
BPM 706



Selections
Full WDS
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.

17471+1742 STF 2215 (HD 161833)

 
 
17h 47m 08.05s +17° 41' 49.2" P.A. 249.00 sep 0.4 mag 6.02,6.89 Sp A1V dist. 143.06 pc (466.66 l.y.)
 
 
Coord 2000 17471+1742 Discov num STF2215 Comp Coord arcsec 2000 17 47 08.05 +17 41 49.2
Date first 1831 Date last 2018 Obs 224
Pa first 311 Pa last 249.1 P.A. Now (θ) 249.1°
Sep first 0.8 Sep last 0.411 Sep. Now (ρ) 0.411"
Mag pri 6.02 Mag sec 6.89 delta mag (ΔM) 0.87 Spectral class A1V (white)
Pri motion ra +012 Sec motion ra +012
Pri motion dec -013 Sec motion dec -013
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161833 Constellation Hercules SAO 103106 HIP 87044
Tycho2 1556-01341-1 Gaia DR2 4550988750326340608 HD 161833 HR 6627
GC 24150 ADS 10795 BD BD+17 3334 Distance 143.06
Distance ly 466.66
 
 
ORBITAL ELEMENTS
 
 
Period (P)1062.47y± 12.7 Periastron (T)2066.49y± 11.67 Semi-major axis (a)0.838a± 0.006
Eccentricity (e)0.397± 0.004 Inclination (i)132.2°± 0.5 Longitude of periastron (ω)270.6°± 2.3
Node (Ω)105.5°± 1.5 Notesn ReferenceCve2006e
Equinox2000 Last observation2002 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 257.7 0.505
2001 257.1 0.502
2002 256.5 0.498
2003 255.9 0.495
2004 255.3 0.491
2005 254.7 0.488
2006 254.1 0.484
2007 253.4 0.481
2008 252.8 0.477
2009 252.1 0.473
2010 251.5 0.470
2011 250.8 0.466
2012 250.1 0.463
2013 249.4 0.459
2014 248.7 0.456
2015 248.0 0.452
2016 247.3 0.449
2017 246.6 0.445
2018 245.8 0.442
2019 245.1 0.439
2020 244.3 0.435
2021 243.5 0.432
2022 242.7 0.428
2023 241.9 0.425
2024 241.1 0.422
2025 240.3 0.419
2026 239.4 0.415
2027 238.6 0.412
2028 237.7 0.409
2029 236.8 0.406
2030 235.9 0.403


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


 
  


wds17471%2B1742b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17471+1742 STF 2215 (HD 161833) : NOTES
 
 
discov_num notes refcode
STF2215 A spectroscopic binary. A premature visual orbit has been calculated.
 
 
REFERENCES
 
 
refcode metd author reference
Cve2006e orb - Cvetkovic, Z. & Novakovic, B. 2006SerAJ.173...73C
Cve2006e SerAJ 173, 73, 2006
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17471+1742 STF2215 2005 210 255 0.5 6.02 6.89 A1V NOD 174708.05+174149.2
17471+1742 STF2215 2007 212 254 0.5 6.02 6.89 A1V NOD 174708.05+174149.2
17471+1742 STF2215 2009 214 254 0.5 6.02 6.89 A1V NOD 174708.05+174149.2
17471+1742 STF2215 2011 216 253 0.5 6.02 6.89 A1V NOD 174708.05+174149.2
17471+1742 STF2215 2013 216 251 0.5 6.02 6.89 A1V NOD 174708.05+174149.2
17471+1742 STF2215 2017 219 250 0.4 6.02 6.89 A1V NO 174708.05+174149.2
17471+1742 STF2215 2018 220 250 0.4 6.02 6.89 A1V NO 174708.05+174149.2

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

 
 
WDS 17471+1742 STF 2215 (HD 161833) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17471+1742 STF 2215 (HD 161833) : MEASURES
 
 
No records found.

 
 
WDS 17471+1742 (HD 161833) : VIRTUAL EYEPIECE
 
 

17471+1742 STF2215A mag 6.02 Sp A1V 17471+1742 STF2215B sep 0.4 P.A. 248.20 mag 6.89 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 17471+1742 (HD 161833) : ALADIN DSS IMAGE @ 17h 47m 08.05s +17° 41' 49.2"
 
 
 
 
WDS 17471+1742 STF 2215 (HD 161833) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17471+1742 STF2215 distance=0' 17483+1740 BPM 700 distance=17' 17457+1743 STF2205 distance=21' 17484+1727 ARG 79 distance=23' 17487+1728 DAM 280 distance=27' 17453+1750 TDT 488 distance=28' 17440+1738 TOB 265 distance=46' 17503+1737 BPM 702 distance=46' 17438+1742 TOB 264 distance=48' 17476+1831 UC 3409 distance=50' 17433+1741 STH 4 distance=56' 17433+1751 BPM 696 distance=56' 17457+1650 A 2092 distance=56' 17477+1641 UC 3411 distance=62' 17513+1723 TDT 536 distance=63' 17429+1724 TOB 266 distance=64' 17439+1829 TDT 480 distance=66' 17510+1821 HDS2517 distance=68' 17489+1633 TDT 519 distance=74' 17524+1733 BPM 703 distance=76' 17524+1708 TDT 550 distance=83' 17428+1646 BPMA 51 distance=84' 17478+1619 HEI 254 distance=84' 17421+1707 LDS1001 distance=86' 17445+1900 STF2206 distance=87' 17530+1655 CRC 27Aa,Ab distance=97' 17530+1655 CRC 27AB distance=97' 17537+1702 BPM 706 distance=103' 17478+1557 TOB 268AB distance=106' 17478+1557 TOB 268AC distance=106' 17444+1600 LSC 75 distance=109' 17456+1553 HU 1287 distance=111' 17411+1628 A 2091 distance=114' 17478+1546 TOB 267 distance=117' 17483+1547 J 753AB distance=117' 17483+1547 FOX 209AC distance=117' 17533+1904 KU 56AB distance=120' 17533+1904 KU 56AC distance=120' 17471+1945 UC 3405AB distance=124' 17471+1945 UC 3405AC distance=124' 17420+1557 BU 1251AB distance=129' 17420+1557 BU 1251AC distance=129' 17547+1633 UC 234 distance=129' 17387+1834 BUP 177AB distance=131' 17387+1834 BUP 177AC distance=131' 17557+1830 HDS2528 distance=132' 17538+1610 BPM 707 distance=133' 17388+1643 BPM 692 distance=134' 17387+1840 SLO 1AB distance=135' 17387+1840 SLO 1AC distance=135' 17387+1834 BUP 177BC distance=136' 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 17471+1742 STF2215 249 0.4
Show 17483+1740 BPM 700 143 67.0 17
Show 17457+1743 STF2205 21 0.8 21
Show 17484+1727 ARG 79 119 30.1 23
Show 17487+1728 DAM 280 177 5.6 27
Show 17453+1750 TDT 488 1 0.7 28
Show 17440+1738 TOB 265 259 15.1 46
Show 17503+1737 BPM 702 294 118.8 46
Show 17438+1742 TOB 264 175 17.3 48
Show 17476+1831 UC 3409 235 19.2 50
Show 17433+1741 STH 4 49 15.3 56
Show 17433+1751 BPM 696 335 109.5 56
Show 17457+1650 A 2092 337 0.9 56
Show 17477+1641 UC 3411 258 13.4 62
Show 17513+1723 TDT 536 61 1.1 63
Show 17429+1724 TOB 266 80 24.0 64
Show 17439+1829 TDT 480 303 1.0 66
Show 17510+1821 HDS2517 211 0.5 68
Show 17489+1633 TDT 519 221 1.0 74
Show 17524+1733 BPM 703 353 82.3 76
Show 17524+1708 TDT 550 32 0.5 83
Show 17428+1646 BPMA 51 170 128.6 84
Show 17478+1619 HEI 254 275 2.3 84
Show 17421+1707 LDS1001 116 42.8 86
Show 17445+1900 STF2206 248 0.9 87
Show 17530+1655 CRC 27 Aa,Ab 112 0.9 97
Show 17530+1655 CRC 27 AB 31 9.0 97
Show 17537+1702 BPM 706 287 69.6 103
Show 17478+1557 TOB 268 AB 115 24.1 106
Show 17478+1557 TOB 268 AC 253 70.2 106
Show 17444+1600 LSC 75 323 0.6 109
Show 17456+1553 HU 1287 63 1.9 111
Show 17411+1628 A 2091 269 0.8 114
Show 17478+1546 TOB 267 84 17.9 117
Show 17483+1547 J 753 AB 275 2.0 117
Show 17483+1547 FOX 209 AC 179 47.9 117
Show 17533+1904 KU 56 AB 127 2.8 120
Show 17533+1904 KU 56 AC 3 25.2 120
Show 17471+1945 UC 3405 AB 259 27.2 124
Show 17471+1945 UC 3405 AC 226 1.2 124
Show 17420+1557 BU 1251 AB 102 1.4 129
Show 17420+1557 BU 1251 AC 271 154.7 129
Show 17547+1633 UC 234 204 32.4 129
Show 17387+1834 BUP 177 AB 266 272.2 131
Show 17387+1834 BUP 177 AC 269 374.3 131
Show 17557+1830 HDS2528 253 18.5 132
Show 17538+1610 BPM 707 132 98.6 133
Show 17388+1643 BPM 692 111 112.7 134
Show 17387+1840 SLO 1 AB 219 1.7 135
Show 17387+1840 SLO 1 AC 149 146.3 135
Show 17387+1834 BUP 177 BC 270 104.9 136

 
 
WDS 17471+1742 : COMPONENTS
 
 
  A
B pa=248.2°
sep=0.39"
 
 
17471+1742 A
 
 
Componente originario normalizzato AB Name HD 161833 Coord arcsec 2000 174708.05+174149.2 Mag 6.02
Spectral class A1V (white) PmRA 12.00 PmDE -13.0 SAO 103106
HIP 87044 Tycho2 1556-01341-1 HD 161833 HR 6627
GC 24150 BD BD+17 3334
Tycho2
Tycho2 1556-01341-1 Pflag RAmdeg 266.78350076 DEmdeg 17.69700315
PmRA 12.1 PmDE -12.8 E RAmdeg 3 E DEmdeg 3
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.31 EpDEm 1991.24
Num 16 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.3
Q pmDE 1.2 BTmag 5.690 E BTmag 0.014 VTmag 5.646
E VTmag 0.009 Prox 999 TYC T HIP 87044
CCDM AB RAdeg 266.78347056 DEdeg 17.69703361 EpRA 1990 1.50
EpDE 1990 1.43 E RAdeg 3.4 E DEdeg 3.4 Posflg P
Corr 0.0
SAO
SAO 103106 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.008 Vmag 5.6 SpType A0
Double code Source 70 CatNum 24150 DM BD+17 3334
DMcomp BDsup HD 161833 M HD 0
GC 24150 RA1950rad 4.64661208 DE1950rad 0.30916995 PmRA2000 0.0008
PmDE2000 -0.007
Hipparcos
Catalog H HIP 87044 Proxy H RAhms 17 47 08.04
DEdms +17 41 49.3 Vmag 5.61 VarFlag R Vmag H
RAdeg 266.784 DEdeg 17.697 AstroRef A Plx 8.86
CCDM 17471+1742 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 263 Rho 0.545 HD 161833 BD BD+17 3334
CD CP Dm number +17 3334 VIred 0.04
SpType A1V R SpType Coord arcsec 2000 174708.04+174149.3
Hipparcos 2
HIP 87044 Sn 15 So 3 Nc 2
RArad 4.6562504285 DErad 0.3088716338 Plx 6.99 PmRA 11.76
PmDE -11.25 E RArad 0.52 E DErad 0.44 E Plx 0.61
E pmRA 0.69 E pmDE 0.48 Hpmag 5.6341 E Hpmag 0.0008
SHp 0.006 VA 0 BV 0.036 E BV 0.004
VI 0.05
CCDM
Ccdm 17471+1742 RComp Comp A Note1
Note2 Discov num DRAs 2.04 DDEs -10.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.8 Sp A0 PmNote *
PmRA 13 PmDE -8 Dm number +17 3334 Cat1 BD
Name2 +17 1763 Cat2 AGK2/3 HD 161833 M HD
ADS BDS A10795 M ADS BDS N IDS IDS 17427N1744A
HIC 87044
 
 
17471+1742 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174708.02+174149.1 Mag 6.89 PmRA 12.00
PmDE -13.0 Calc delta mag 0.87 Calc coord yes
CCDM
Ccdm 17471+1742 RComp Comp B Note1
Note2 Discov num STF2215 DRAs DDEs
R dRAs Year 1959 Theta 275 Rho 0.6
Obs 99 Vmag 7.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10795 M ADS BDS N IDS IDS 17427N1744B
HIC 87044