17386+5546 STF 2199 (HD 160780)

 
 
17h 38m 38.32s +55° 45' 34.9" P.A. 53.00 sep 2.0 mag 8.03,8.60 Sp F8V dist. 121.21 pc (395.39 l.y.)
 
 
Coord 2000 17386+5546 Discov num STF2199 Comp Coord arcsec 2000 17 38 38.32 +55 45 34.9
Date first 1830 Date last 2020 Obs 248
Pa first 116 Pa last 53.4 P.A. Now (θ) 53.4°
Sep first 1.7 Sep last 2.04 Sep. Now (ρ) 2.04"
Mag pri 8.03 Mag sec 8.60 delta mag (ΔM) 0.57 Spectral class F8V (yellow-white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -012 Sec motion dec -012
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 160780 Constellation Draco SAO 30494 HIP 86344
Tycho2 3893-00469-1 Gaia DR2 1421106752993180672 HD 160780 GC 23956
ADS 10699 BD BD+55 1961 Distance 121.21 Distance ly 395.39
 
 
ORBITAL ELEMENTS
 
 
Period (P)1126.0007y± 529.269 Periastron (T)1742.0237y± 56.4431 Semi-major axis (a)2.89677a± 0.99016
Eccentricity (e)0.71716± 0.22261 Inclination (i)120.38°± 15.261 Longitude of periastron (ω)297.078°± 22.188
Node (Ω)148.322°± 29.574 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 58.4 1.967
2001 58.2 1.971
2002 57.9 1.975
2003 57.7 1.979
2004 57.4 1.983
2005 57.2 1.987
2006 56.9 1.991
2007 56.7 1.994
2008 56.5 1.998
2009 56.2 2.002
2010 56.0 2.006
2011 55.8 2.010
2012 55.5 2.014
2013 55.3 2.018
2014 55.1 2.022
2015 54.8 2.026
2016 54.6 2.030
2017 54.4 2.034
2018 54.1 2.038
2019 53.9 2.042
2020 53.7 2.046
2021 53.5 2.050
2022 53.2 2.054
2023 53.0 2.058
2024 52.8 2.062
2025 52.6 2.066
2026 52.4 2.070
2027 52.1 2.074
2028 51.9 2.078
2029 51.7 2.082
2030 51.5 2.086


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


 
  


wds17386%2B5546b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17386+5546 STF 2199 (HD 160780) : NOTES
 
 
discov_num notes refcode
STF2199 A premature orbit has been calculated. Dur1944d
 
 
REFERENCES
 
 
refcode metd author reference
Dur1944d Ma - Duruy, M.V. 1944JO.....27...89D
Dur1944d J. Obs. 27, 89, 1944
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
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
17386+5546 STF2199 2007 208 57 2.0 8.03 8.60 F8V NOD 173838.32+554534.9
17386+5546 STF2199 2008 210 56 2.0 8.03 8.60 F8V NOD 173838.32+554534.9
17386+5546 STF2199 2009 211 57 2.0 8.03 8.60 F8V NOD 173838.32+554534.9
17386+5546 STF2199 2010 219 56 2.0 8.03 8.60 F8V NOD 173838.32+554534.9
17386+5546 STF2199 2013 226 55 2.1 8.03 8.60 F8V NOD 173838.32+554534.9
17386+5546 STF2199 2014 218 56 2.1 8.03 8.60 F8V NOD 173838.32+554534.9
17386+5546 STF2199 2015 230 55 2.1 8.03 8.60 F8V NO 173838.32+554534.9
17386+5546 STF2199 2017 232 54 2.1 8.03 8.60 F8V NO 173838.32+554534.9
17386+5546 STF2199 2018 235 55 2.0 8.03 8.60 F8V NO 173838.32+554534.9
17386+5546 STF2199 2019 245 54 2.1 8.03 8.60 F8V NO 173838.32+554534.9
17386+5546 STF2199 2020 248 53 2.0 8.03 8.60 F8V NO 173838.32+554534.9

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

 
 
WDS 17386+5546 STF 2199 (HD 160780) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17386+5546 STF 2199 (HD 160780) : MEASURES
 
 
No records found.

 
 
WDS 17386+5546 (HD 160780) : VIRTUAL EYEPIECE
 
 

17386+5546 STF2199A mag 8.03 Sp F8V 17386+5546 STF2199B sep 1.5 P.A. 37.10 mag 8.6 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 17386+5546 (HD 160780) : ALADIN DSS IMAGE @ 17h 38m 38.32s +55° 45' 34.9"
 
 
 
 
WDS 17386+5546 STF 2199 (HD 160780) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17386+5546 STF2199 distance=0' 17380+5521 GRV1137 distance=24' 17376+5508 KPP1235 distance=39' 17337+5545 GRV1152 distance=42' 17373+5640 STI2354 distance=56' 17322+5511 STFA 35 distance=65' 17461+5526 UC 3400 distance=66' 17462+5613 STI2357 distance=69' 17328+5639 SLN 37 distance=73' 17469+5503 UC 3403 distance=83' 17362+5425 ES 637 distance=83' 17433+5703 LDS1450 distance=87' 17319+5655 ES 2659 distance=90' 17279+5610 A 1152 distance=94' 17402+5411 ES 638 distance=94' 17388+5406 HDS2493 distance=100' 17267+5621 A 1151 distance=107' 17323+5718 LDS1449 distance=107' 17511+5523 HO 71 distance=107' 17285+5657 ES 1741 distance=111' 17480+5707 MLB1077AB distance=113' 17480+5707 MLB1077AC distance=113' 17240+5547 GRV1136 distance=116' 17335+5734 MLR 571 distance=116' 17258+5643 RAO 370 distance=122' 17400+5747 MLR 572 distance=123' 17277+5424 UC 3345 distance=125' 17432+5744 STI2355 distance=125' 17462+5357 HDS2511 distance=127' 17318+5349 BEM 27 distance=131' 17510+5709 STI2360 distance=133' 17235+5623 LDS4741 distance=133' 17270+5718 ES 2658 distance=134' 17504+5414 OL 89 distance=137' 17301+5743 ES 1742 distance=137' 17437+5336 KPP 399 distance=138' 17341+5333 UC 3369 distance=139' 17535+5652 LDS1457 (Grumium) distance=141' 17554+5558 HJL1097 distance=142' 17215+5532 ES 2656 distance=145' 17210+5537 GRV1134 distance=147' 17530+5713 MLB 75 distance=148' 17220+5638 ES 2657BC distance=148' 17220+5638 ES 2657AB distance=149' 17220+5638 ABH 90AD distance=149' 17220+5638 ES 2657AC distance=149' 17562+5621 LDS4768 distance=152' 17556+5458 CVR 866 distance=153' 17458+5326 MLR 605BC distance=153' 17211+5637 LDS1444 distance=157' 17444+5819 LDS1451 distance=161' 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 17386+5546 STF2199 53 2.0
Show 17380+5521 GRV1137 59 41.7 24
Show 17376+5508 KPP1235 123 9.5 39
Show 17337+5545 GRV1152 225 23.8 42
Show 17373+5640 STI2354 85 4.4 56
Show 17322+5511 STFA 35 311 62.3 65
Show 17461+5526 UC 3400 151 7.4 66
Show 17462+5613 STI2357 171 11.9 69
Show 17328+5639 SLN 37 241 2.4 73
Show 17469+5503 UC 3403 93 12.1 83
Show 17362+5425 ES 637 295 4.0 83
Show 17433+5703 LDS1450 95 18.6 87
Show 17319+5655 ES 2659 215 11.8 90
Show 17279+5610 A 1152 204 0.2 94
Show 17402+5411 ES 638 185 2.5 94
Show 17388+5406 HDS2493 253 0.5 100
Show 17267+5621 A 1151 238 1.1 107
Show 17323+5718 LDS1449 133 18.2 107
Show 17511+5523 HO 71 226 3.8 107
Show 17285+5657 ES 1741 179 2.5 111
Show 17480+5707 MLB1077 AB 215 4.3 113
Show 17480+5707 MLB1077 AC 28 23.5 113
Show 17240+5547 GRV1136 148 8.5 116
Show 17335+5734 MLR 571 330 0.1 116
Show 17258+5643 RAO 370 339 1.0 122
Show 17400+5747 MLR 572 40 0.7 123
Show 17277+5424 UC 3345 199 26.1 125
Show 17432+5744 STI2355 46 7.8 125
Show 17462+5357 HDS2511 97 0.4 127
Show 17318+5349 BEM 27 205 13.0 131
Show 17510+5709 STI2360 232 9.9 133
Show 17235+5623 LDS4741 209 86.8 133
Show 17270+5718 ES 2658 15 9.8 134
Show 17504+5414 OL 89 173 0.8 137
Show 17301+5743 ES 1742 28 1.6 137
Show 17437+5336 KPP 399 264 3.7 138
Show 17341+5333 UC 3369 122 55.0 139
Show Grumium 17535+5652 LDS1457 290 315.7 141
Show 17554+5558 HJL1097 49 351.6 142
Show 17215+5532 ES 2656 64 11.1 145
Show 17210+5537 GRV1134 319 20.8 147
Show 17530+5713 MLB 75 324 2.9 148
Show 17220+5638 ES 2657 BC 73 11.7 148
Show 17220+5638 ES 2657 AB 97 28.4 149
Show 17220+5638 ABH 90 AD 114 83.7 149
Show 17220+5638 ES 2657 AC 90 39.2 149
Show 17562+5621 LDS4768 55 24.1 152
Show 17556+5458 CVR 866 359 11.8 153
Show 17458+5326 MLR 605 BC 45 10.8 153
Show 17211+5637 LDS1444 118 9.4 157
Show 17444+5819 LDS1451 122 12.8 161

 
 
WDS 17386+5546 : COMPONENTS
 
 
  A
B pa=37.1°
sep=1.53"
 
 
17386+5546 A
 
 
Componente originario normalizzato AB Name HD 160780 Coord arcsec 2000 173838.32+554534.9 Mag 8.03
Spectral class F8V (yellow-white) PmRA 4.00 PmDE -12.0 SAO 30494
HIP 86344 Tycho2 3893-00469-1 HD 160780 GC 23956
BD BD+55 1961
Tycho2
Tycho2 3893-00469-1 Pflag P RAmdeg 264.65966502 DEmdeg 55.75968955
PmRA 4.1 PmDE -11.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.7 E pmDE 1.9 EpRAm 1991.45 EpDEm 1991.63
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.4 BTmag 8.557 E BTmag 0.017 VTmag 8.034
E VTmag 0.012 Prox 19 TYC T HIP 86344
CCDM A RAdeg 264.65942417 DEdeg 55.75964333 EpRA 1990 1.66
EpDE 1990 1.81 E RAdeg 6.0 E DEdeg 6.1 Posflg D
Corr 0.0
SAO
SAO 30494 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.005 Vmag 7.3 SpType F5
Double code Source 70 CatNum 23956 DM BD+55 1961
DMcomp BDsup HD 160780 M HD 0
GC 23956 RA1950rad 4.61511034 DE1950rad 0.97365516 PmRA2000 0.0008
PmDE2000 -0.004
Hipparcos
Catalog H HIP 86344 Proxy H RAhms 17 38 38.26
DEdms +55 45 34.7 Vmag 7.47 VarFlag R Vmag G
RAdeg 264.659 DEdeg 55.7596 AstroRef A Plx 9.03
CCDM 17386+5546 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 60 Rho 1.936 HD 160780 BD BD+55 1961
CD CP Dm number +55 1961 VIred 0.65
SpType F5 R SpType Coord arcsec 2000 173838.26+554534.7
Hipparcos 2
HIP 86344 Sn 15 So 3 Nc 2
RArad 4.6191783298 DErad 0.9731893477 Plx 8.25 PmRA 3.32
PmDE -13.03 E RArad 0.78 E DErad 0.65 E Plx 0.72
E pmRA 0.85 E pmDE 0.78 Hpmag 7.5865 E Hpmag 0.001
SHp 0.009 VA 0 BV 0.573 E BV 0.015
VI 0.65
CCDM
Ccdm 17386+5546 RComp Comp A Note1
Note2 Discov num DRAs 2.29 DDEs -24.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.8 Sp F5 PmNote *
PmRA -6 PmDE -3 Dm number +55 1961 Cat1 BD
Name2 +55 1107 Cat2 AGK2/3 HD 160780 M HD
ADS BDS A10699 M ADS BDS N IDS IDS 17368N5549A
HIC 86344
 
 
17386+5546 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 173838.43+554536.1 Mag 8.6 PmRA 4.00
PmDE -12.0 Tycho2 3893-00469-2 Calc delta mag 0.57 Calc coord yes
Tycho2
Tycho2 3893-00469-2 Pflag P RAmdeg 264.65966502 DEmdeg 55.75968955
PmRA 4.1 PmDE -11.8 E RAmdeg 6 E DEmdeg 6
E pmRA 1.7 E pmDE 1.9 EpRAm 1991.45 EpDEm 1991.63
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.4 BTmag 9.225 E BTmag 0.020 VTmag 8.597
E VTmag 0.015 Prox 19 TYC HIP 86344
CCDM B RAdeg 264.66025306 DEdeg 55.75991306 EpRA 1990 1.68
EpDE 1990 1.81 E RAdeg 8.8 E DEdeg 9.2 Posflg D
Corr 0.0
CCDM
Ccdm 17386+5546 RComp Comp B Note1
Note2 Discov num STF2199 DRAs DDEs
R dRAs Year 1959 Theta 071 Rho 1.8
Obs 99 Vmag 8.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10699 M ADS BDS N IDS IDS 17368N5549B
HIC 86344