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Doubles in session


Current system
17240+3835
HU 1179
HD 157853


Nearby doubles
34' : 17247+3802
COU1142AB

39' : 17246+3913
S 689AB

40' : 17207+3832
ALI 866

42' : 17275+3847
ES 2014

47' : 17205+3815
WSP 27
Franz

48' : 17222+3753
TDT 321

49' : 17229+3748
WIS 318

60' : 17290+3845
COU1297

68' : 17298+3842
UC 231

73' : 17293+3758
HO 417

73' : 17179+3848
LDS4737

83' : 17302+3755
TDT 385

84' : 17292+3933
UC 230

86' : 17252+3711
GUI 17

87' : 17237+3709
STF2161AB

88' : 17217+3958
MCA 47

89' : 17282+3949
ALP 22AB

97' : 17167+3752
PTT 17

97' : 17203+4001
GRV1228

98' : 17245+3657
STT 329

99' : 17158+3829
HEI 14AB

106' : 17197+3703
COU 994

109' : 17177+3717
HDS2446

109' : 17333+3842
KPP3318

111' : 17297+4004
CBL 69

111' : 17285+3657
COU1143



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17240+3835 HU 1179 (HD 157853)

 
 
17h 24m 02.26s +38° 34' 57.7" P.A. 272.00 sep 0.3 mag 7.13,7.79 Sp F9III dist. 175.44 pc (572.29 l.y.)
 
 
Coord 2000 17240+3835 Discov num HU 1179 Comp Coord arcsec 2000 17 24 02.26 +38 34 57.7
Date first 1905 Date last 2016 Obs 93
Pa first 273 Pa last 271.7 P.A. Now (θ) 267.1°
Sep first 0.2 Sep last 0.293 Sep. Now (ρ) 0.255"
Mag pri 7.13 Mag sec 7.79 delta mag (ΔM) 0.66 Spectral class F9III (yellow-white)
Pri motion ra -007 Sec motion ra
Pri motion dec +034 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157853 Constellation Hercules SAO 66006 HIP 85149
Tycho2 3086-02092-1 HD 157853 HR 6488 GC 23560
ADS 10531 BD BD+38 2928 Distance 175.44 Distance ly 572.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)91.7y Periastron (T)1980.41y Semi-major axis (a)0.181a
Eccentricity (e)0.692 Inclination (i)104.4° Longitude of periastron (ω)37.9°
Node (Ω)96.9° Notesn ReferenceHrt2000b
Equinox Last observation1997 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 275.3 0.229
2001 274.8 0.234
2002 274.4 0.239
2003 274.0 0.243
2004 273.6 0.247
2005 273.3 0.250
2006 272.9 0.253
2007 272.5 0.256
2008 272.2 0.258
2009 271.9 0.260
2010 271.5 0.262
2011 271.2 0.263
2012 270.8 0.264
2013 270.5 0.264
2014 270.2 0.264
2015 269.9 0.264
2016 269.5 0.264
2017 269.2 0.264
2018 268.9 0.263
2019 268.5 0.262
2020 268.2 0.260
2021 267.8 0.259
2022 267.5 0.257
2023 267.1 0.255
2024 266.8 0.252
2025 266.4 0.250
2026 266.0 0.247
2027 265.7 0.244
2028 265.3 0.241
2029 264.9 0.237
2030 264.4 0.233


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


 
  


wds17240%2B3835a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17240+3835 HU 1179 (HD 157853) : NOTES
 
 
discov_num notes refcode
HU 1179 1985.741: The residuals of these measurements (as well as those of
McAlister) are irregular and do not permit the correction of an orbit. Tok1985
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 3.81 +/- 1.50, 3.55, and 1.70 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2000b orb - Hartkopf, W.I. 2000IAUDS.141....1H
Hrt2000b Inf. Circ. 141, 1, 2000
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Tok1985 Ig u Tokovinin, A.A. 1985A&AS...61..483T
Tok1985 A&AS 61, 483, 1985
 
 
DISCOVERER
 
 
idgroup discov author
1 HU Hussey, W.F.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17240+3835 HU 1179 2005 85 268 0.3 7.13 7.79 F9III NOD 172402.26+383457.7
17240+3835 HU 1179 2006 87 274 0.2 7.13 7.79 F9III NOD 172402.26+383457.7
17240+3835 HU 1179 2007 88 272 0.3 7.13 7.79 F9III NOD 172402.26+383457.7
17240+3835 HU 1179 2008 89 274 0.3 7.13 7.79 F9III NOD 172402.26+383457.7
17240+3835 HU 1179 2009 90 275 0.3 7.13 7.79 F9III NOD 172402.26+383457.7
17240+3835 HU 1179 2012 90 273 0.3 7.13 7.79 F9III NO 172402.26+383457.7
17240+3835 HU 1179 2016 91 272 0.3 7.13 7.79 F9III NO 172402.26+383457.7

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

 
 
WDS 17240+3835 HU 1179 (HD 157853) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17240+3835 HU 1179 (HD 157853) : MEASURES
 
 
No records found.

 
 
WDS 17240+3835 (HD 157853) : VIRTUAL EYEPIECE
 
 

17240+3835 HU 1179A mag 7.13 Sp F9III 17240+3835 HU 1179B sep 0.2 P.A. 272.20 mag 7.79 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 17240+3835 (HD 157853) : ALADIN DSS IMAGE @ 17h 24m 02.26s +38° 34' 57.7"
 
 
 
 
WDS 17240+3835 HU 1179 (HD 157853) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17240+3835 HU 1179 distance=1' 17247+3802 HSL 1Aa,Ab distance=34' 17247+3802 HSL 1Aa,Ac distance=34' 17247+3802 COU1142AB distance=34' 17246+3913 WSI 2Aa,Ab distance=39' 17246+3913 S 689AB distance=39' 17207+3832 ALI 866 distance=40' 17275+3847 ES 2014 distance=42' 17205+3815 WSP 27 (Franz) distance=47' 17222+3753 TDT 321 distance=48' 17229+3748 WIS 318 distance=49' 17290+3845 COU1297 distance=60' 17298+3842 UC 231 distance=68' 17293+3758 HO 417 distance=73' 17179+3848 LDS4737 distance=73' 17302+3755 TDT 385 distance=83' 17292+3933 UC 230 distance=84' 17252+3711 GUI 17 distance=86' 17237+3709 MCA 48Aa,Ab distance=87' 17237+3709 STF2161AB distance=87' 17237+3709 STF2161AC distance=87' 17217+3958 MCA 47 distance=88' 17282+3949 BOY 10Aa,Ab distance=89' 17282+3949 ALP 22AB distance=89' 17167+3752 PTT 17 distance=97' 17203+4001 GRV1228 distance=97' 17245+3657 STT 329 distance=98' 17158+3829 HEI 14AB distance=99' 17158+3829 SOO 1AC distance=99' 17197+3703 COU 994 distance=106' 17177+3717 HDS2446 distance=109' 17333+3842 KPP3318 distance=109' 17297+4004 CBL 69 distance=111' 17285+3657 COU1143 distance=111' 17224+3646 J 1131 distance=111' 17145+3833 MLB 850 distance=113' 17340+3823 RAO 376 distance=119' 17344+3903 FUR 2 distance=124' 17200+3640 LDS4739 distance=126' 17239+3627 STF2162 distance=128' 17272+3630 TDT 361 distance=131' 17155+3712 TDT 290 distance=131' 17353+3831 RAO 378 distance=132' 17345+3927 KPP4045 distance=133' 17345+3935 COU1298 distance=137' 17158+4016 COU1294 distance=139' 17194+4044 CVR1698 distance=141' 17316+3644 CVR1702 distance=143' 17171+4034 COU1295 distance=143' 17359+3801 COU1299 distance=144' 17324+4022 UC 3364 distance=145' 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 17240+3835 HU 1179 272 0.3 1
Show 17247+3802 HSL 1 Aa,Ab 226 0.0 34
Show 17247+3802 HSL 1 Aa,Ac 57 0.3 34
Show 17247+3802 COU1142 AB 222 1.8 34
Show 17246+3913 WSI 2 Aa,Ab 74 0.4 39
Show 17246+3913 S 689 AB 197 89.2 39
Show 17207+3832 ALI 866 133 11.6 40
Show 17275+3847 ES 2014 93 1.7 42
Show Franz 17205+3815 WSP 27 264 0.9 47
Show 17222+3753 TDT 321 334 2.6 48
Show 17229+3748 WIS 318 141 565.9 49
Show 17290+3845 COU1297 99 0.3 60
Show 17298+3842 UC 231 168 15.8 68
Show 17293+3758 HO 417 306 0.3 73
Show 17179+3848 LDS4737 172 19.3 73
Show 17302+3755 TDT 385 288 0.5 83
Show 17292+3933 UC 230 115 35.0 84
Show 17252+3711 GUI 17 345 76.1 86
Show 17237+3709 MCA 48 Aa,Ab 23 0.3 87
Show 17237+3709 STF2161 AB 321 4.0 87
Show 17237+3709 STF2161 AC 221 118.4 87
Show 17217+3958 MCA 47 45 0.0 88
Show 17282+3949 BOY 10 Aa,Ab 134 0.2 89
Show 17282+3949 ALP 22 AB 351 36.1 89
Show 17167+3752 PTT 17 189 10.3 97
Show 17203+4001 GRV1228 196 13.2 97
Show 17245+3657 STT 329 12 33.0 98
Show 17158+3829 HEI 14 AB 311 7.4 99
Show 17158+3829 SOO 1 AC 355 4.9 99
Show 17197+3703 COU 994 214 0.5 106
Show 17177+3717 HDS2446 143 0.9 109
Show 17333+3842 KPP3318 118 1.2 109
Show 17297+4004 CBL 69 244 12.6 111
Show 17285+3657 COU1143 244 0.4 111
Show 17224+3646 J 1131 257 1.7 111
Show 17145+3833 MLB 850 187 5.6 113
Show 17340+3823 RAO 376 244 0.4 119
Show 17344+3903 FUR 2 51 2.1 124
Show 17200+3640 LDS4739 156 3.0 126
Show 17239+3627 STF2162 285 1.3 128
Show 17272+3630 TDT 361 320 2.6 131
Show 17155+3712 TDT 290 252 1.1 131
Show 17353+3831 RAO 378 34 0.4 132
Show 17345+3927 KPP4045 72 2.2 133
Show 17345+3935 COU1298 249 0.3 137
Show 17158+4016 COU1294 84 1.0 139
Show 17194+4044 CVR1698 141 3.8 141
Show 17316+3644 CVR1702 347 3.6 143
Show 17171+4034 COU1295 59 0.3 143
Show 17359+3801 COU1299 118 1.5 144
Show 17324+4022 UC 3364 317 26.9 145

 
 
WDS 17240+3835 : COMPONENTS
 
 
  A
B pa=272.2°
sep=0.23"
 
 
17240+3835 A
 
 
Componente originario normalizzato AB Name HD 157853 Coord arcsec 2000 172402.26+383457.7 Mag 7.13
Spectral class F9III (yellow-white) PmRA -7.00 PmDE 34.0 SAO 66006
HIP 85149 Tycho2 3086-02092-1 HD 157853 HR 6488
GC 23560 BD BD+38 2928
Tycho2
Tycho2 3086-02092-1 Pflag RAmdeg 261.00939837 DEmdeg 38.58278393
PmRA -10.1 PmDE 36.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.5 EpRAm 1991.41 EpDEm 1991.57
Num 10 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.8 BTmag 7.359 E BTmag 0.015 VTmag 6.614
E VTmag 0.010 Prox 999 TYC T HIP 85149
CCDM AB RAdeg 261.00942861 DEdeg 38.58270000 EpRA 1990 1.54
EpDE 1990 1.69 E RAdeg 3.9 E DEdeg 3.7 Posflg P
Corr 0.0
SAO
SAO 66006 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 0.038 Vmag 6.4 SpType F8
Double code Source 70 CatNum 23560 DM BD+38 2928
DMcomp BDsup HD 157853 M HD 0
GC 23560 RA1950rad 4.54812136 DE1950rad 0.67416431 PmRA2000 -0.001
PmDE2000 0.039
Hipparcos
Catalog H HIP 85149 Proxy H RAhms 17 24 02.26
DEdms +38 34 57.7 Vmag 6.48 VarFlag R Vmag G
RAdeg 261.009 DEdeg 38.5827 AstroRef * Plx 6.04
CCDM 17240+3835 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 282 Rho 0.159 HD 157853 BD BD+38 2928
CD CP Dm number +38 2928 VIred 0.77
SpType F8IV R SpType Coord arcsec 2000 172402.26+383457.7
Hipparcos 2
HIP 85149 Sn 55 So 3 Nc 2
RArad 4.5554738984 DErad 0.6733950748 Plx 5.7 PmRA -12.52
PmDE 36.13 E RArad 0.4 E DErad 0.5 E Plx 0.55
E pmRA 0.48 E pmDE 0.61 Hpmag 6.6621 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.716 E BV 0.003
VI 0.77
CCDM
Ccdm 17240+3835 RComp Comp A Note1
Note2 Discov num DRAs 2.29 DDEs -2.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.1 Sp F8 PmNote *
PmRA -11 PmDE 27 Dm number +38 2928 Cat1 BD
Name2 +38 1572 Cat2 AGK2/3 HD 157853 M HD
ADS BDS A10531 M ADS BDS N IDS IDS 17207N3840A
HIC 85149
 
 
17240+3835 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172402.24+383457.7 Mag 7.79 Calc delta mag 0.66
Calc coord yes
CCDM
Ccdm 17240+3835 RComp Comp B Note1 *
Note2 Discov num HU 1179 DRAs DDEs
R dRAs Year 1960 Theta 259 Rho 0.1
Obs 21 Vmag 7.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10531 M ADS BDS N IDS IDS 17207N3840B
HIC 85149