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Current system
17221+2310
COU 415
HD 157392


Nearby doubles
14' : 17214+2259
POU3288

17' : 17209+2310
POU3285

34' : 17211+2340
POU3286

38' : 17248+2315
POU3289

38' : 17195+2321
HJ 2805

57' : 17180+2317
TDT 299

58' : 17203+2401
POU3284

65' : 17265+2251
POU3290

66' : 17264+2245
RAO 371

66' : 17215+2415
TDT 319

68' : 17210+2416
HJ 1298

72' : 17171+2252
POU3276

73' : 17185+2404
POU3282

73' : 17270+2243
J 1033

73' : 17268+2240
J 1032

74' : 17272+2250
TDT 363

76' : 17228+2155
LDS4740

78' : 17274+2335
POU3291

79' : 17238+2155
HU 671

79' : 17228+2428
COU 112

82' : 17231+2430
KPP 625

82' : 17209+2429
DOO 66

82' : 17209+2430
S 687AB

83' : 17161+2316
COU 315

84' : 17161+2318
POU3274

87' : 17271+2402
TDT 360



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

17221+2310 COU 415 (HD 157392)

 
 
17h 22m 04.55s +23° 09' 40.4" P.A. 236.00 sep 0.2 mag 8.75,9.83 Sp F5 dist. 84.75 pc (276.45 l.y.)
 
 
Coord 2000 17221+2310 Discov num COU 415 Comp Coord arcsec 2000 17 22 04.55 +23 09 40.4
Date first 1969 Date last 2013 Obs 58
Pa first 124 Pa last 236.1 P.A. Now (θ) 207.1°
Sep first 0.3 Sep last 0.232 Sep. Now (ρ) 0.287"
Mag pri 8.75 Mag sec 9.83 delta mag (ΔM) 1.08 Spectral class F5 (yellow-white)
Pri motion ra -013 Sec motion ra
Pri motion dec +066 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 157392 Constellation Hercules SAO 85038 HIP 84976
Tycho2 2074-01335-1 Gaia DR2 4569257307824602112 HD 157392 BD BD+23 3092
Distance 84.75 Distance ly 276.45
 
 
ORBITAL ELEMENTS
 
 
Period (P)94.449y Periastron (T)1989.72y Semi-major axis (a)0.308a
Eccentricity (e)0.383 Inclination (i)135.2° Longitude of periastron (ω)125.5°
Node (Ω)129.3° Notesn ReferenceMsn2011c
Equinox2000 Last observation2009 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 291.3 0.234
2001 287.1 0.237
2002 282.9 0.240
2003 278.8 0.241
2004 274.8 0.243
2005 270.8 0.244
2006 266.8 0.245
2007 262.9 0.246
2008 259.0 0.247
2009 255.1 0.248
2010 251.3 0.250
2011 247.5 0.251
2012 243.8 0.253
2013 240.1 0.254
2014 236.5 0.257
2015 232.9 0.259
2016 229.4 0.262
2017 226.0 0.264
2018 222.6 0.268
2019 219.4 0.271
2020 216.2 0.275
2021 213.1 0.278
2022 210.1 0.282
2023 207.1 0.287
2024 204.3 0.291
2025 201.5 0.295
2026 198.9 0.300
2027 196.3 0.304
2028 193.7 0.309
2029 191.3 0.314
2030 188.9 0.318


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


 
  


wds17221%2B2310c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17221+2310 COU 415 (HD 157392) : NOTES
 
 
discov_num notes refcode
COU 415 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.99 +/- 1.24, 2.24, and 1.20 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Msn2011c orb - Mason, B.D. & Hartkopf, W.I. 2011IAUDS.174....1M
Msn2011c Inf. Circ. 174, 1, 2011
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17221+2310 COU 415 2000 42 291 0.2 8.75 9.83 F5 NOD 172204.55+230940.4
17221+2310 COU 415 2008 44 259 0.2 8.75 9.83 F5 NOD 172204.55+230940.4
17221+2310 COU 415 2009 45 249 0.2 8.75 9.83 F5 NOD 172204.55+230940.4
17221+2310 COU 415 2010 47 248 0.2 8.75 9.83 F5 NO 172204.55+230940.4
17221+2310 COU 415 2012 50 246 0.2 8.75 9.83 F5 NO 172204.55+230940.4
17221+2310 COU 415 2013 58 236 0.2 8.75 9.83 F5 NO 172204.55+230940.4

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

 
 
WDS 17221+2310 COU 415 (HD 157392) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17221+2310 COU 415 (HD 157392) : MEASURES
 
 
No records found.

 
 
WDS 17221+2310 (HD 157392) : VIRTUAL EYEPIECE
 
 

17221+2310 COU 415A mag 8.75 Sp F5 17221+2310 COU 415B sep 0.2 P.A. 233.80 mag 9.83 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 17221+2310 (HD 157392) : ALADIN DSS IMAGE @ 17h 22m 04.55s +23° 09' 40.4"
 
 
 
 
WDS 17221+2310 COU 415 (HD 157392) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17221+2310 COU 415 distance=0' 17214+2259 POU3288 distance=14' 17209+2310 POU3285 distance=17' 17211+2340 POU3286 distance=34' 17248+2315 POU3289 distance=38' 17195+2321 HJ 2805 distance=38' 17180+2317 TDT 299 distance=57' 17203+2401 POU3284 distance=58' 17265+2251 POU3290 distance=65' 17264+2245 RAO 371 distance=66' 17215+2415 TDT 319 distance=66' 17210+2416 HJ 1298 distance=68' 17171+2252 POU3276 distance=72' 17185+2404 POU3282 distance=73' 17270+2243 J 1033 distance=73' 17268+2240 J 1032 distance=73' 17272+2250 TDT 363 distance=74' 17228+2155 LDS4740 distance=76' 17274+2335 POU3291 distance=78' 17238+2155 HU 671 distance=79' 17228+2428 COU 112 distance=79' 17231+2430 KPP 625 distance=82' 17209+2429 DOO 66 distance=82' 17209+2430 S 687AB distance=82' 17209+2430 GUI 41AD distance=82' 17209+2430 SLE 689AE distance=82' 17209+2430 S 687AC distance=82' 17161+2316 COU 315 distance=83' 17161+2318 POU3274 distance=84' 17209+2430 S 687BC distance=84' 17271+2402 TDT 360 distance=87' 17158+2322 POU3271 distance=88' 17285+2329 TOB 139 distance=92' 17286+2330 POU3292 distance=92' 17162+2401 POU3275 distance=95' 17213+2444 TDT 317 distance=96' 17187+2146 STTA152 distance=96' 17172+2421 POU3279 distance=98' 17179+2430 POU3280 distance=99' 17170+2421 POU3277 distance=100' 17279+2209 RAO 372AB distance=102' 17279+2209 RAO 372AC distance=102' 17279+2209 RAO 372AD distance=102' 17266+2430 TDT 352 distance=102' 17271+2427 TDT 359 distance=104' 17159+2413 POU3272 distance=106' 17172+2433 POU3278 distance=106' 17299+2246 BRT2434AB distance=111' 17299+2246 DAL 3AC distance=111' 17150+2219 ITF 155 distance=111' 17147+2227 NSN 688 distance=111' 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 17221+2310 COU 415 236 0.2
Show 17214+2259 POU3288 70 3.3 14
Show 17209+2310 POU3285 161 4.4 17
Show 17211+2340 POU3286 8 15.1 34
Show 17248+2315 POU3289 236 6.1 38
Show 17195+2321 HJ 2805 156 16.8 38
Show 17180+2317 TDT 299 14 1.4 57
Show 17203+2401 POU3284 300 11.0 58
Show 17265+2251 POU3290 233 13.7 65
Show 17264+2245 RAO 371 268 0.7 66
Show 17215+2415 TDT 319 339 0.8 66
Show 17210+2416 HJ 1298 229 9.5 68
Show 17171+2252 POU3276 120 6.4 72
Show 17185+2404 POU3282 99 14.2 73
Show 17270+2243 J 1033 247 6.5 73
Show 17268+2240 J 1032 350 4.1 73
Show 17272+2250 TDT 363 189 1.5 74
Show 17228+2155 LDS4740 240 9.1 76
Show 17274+2335 POU3291 22 9.8 78
Show 17238+2155 HU 671 263 0.9 79
Show 17228+2428 COU 112 23 1.4 79
Show 17231+2430 KPP 625 163 5.7 82
Show 17209+2429 DOO 66 16 9.9 82
Show 17209+2430 S 687 AB 56 223.6 82
Show 17209+2430 GUI 41 AD 223 221.7 82
Show 17209+2430 SLE 689 AE 29 550.2 82
Show 17209+2430 S 687 AC 20 240.3 82
Show 17161+2316 COU 315 117 0.1 83
Show 17161+2318 POU3274 297 9.3 84
Show 17209+2430 S 687 BC 314 146.5 84
Show 17271+2402 TDT 360 179 0.7 87
Show 17158+2322 POU3271 259 3.3 88
Show 17285+2329 TOB 139 91 10.3 92
Show 17286+2330 POU3292 113 22.5 92
Show 17162+2401 POU3275 85 8.8 95
Show 17213+2444 TDT 317 146 0.6 96
Show 17187+2146 STTA152 47 52.8 96
Show 17172+2421 POU3279 169 13.4 98
Show 17179+2430 POU3280 17 6.3 99
Show 17170+2421 POU3277 168 7.3 100
Show 17279+2209 RAO 372 AB 251 2.8 102
Show 17279+2209 RAO 372 AC 256 2.5 102
Show 17279+2209 RAO 372 AD 351 0.3 102
Show 17266+2430 TDT 352 348 0.6 102
Show 17271+2427 TDT 359 147 0.5 104
Show 17159+2413 POU3272 211 7.2 106
Show 17172+2433 POU3278 81 9.4 106
Show 17299+2246 BRT2434 AB 269 3.7 111
Show 17299+2246 DAL 3 AC 263 63.4 111
Show 17150+2219 ITF 155 190 2.3 111
Show 17147+2227 NSN 688 111 2.9 111

 
 
WDS 17221+2310 : COMPONENTS
 
 
  A
B pa=233.8°
sep=0.22"
 
 
17221+2310 A
 
 
Componente originario normalizzato AB Name HD 157392 Coord arcsec 2000 172204.55+230940.4 Mag 8.75
Spectral class F5 (yellow-white) PmRA -13.00 PmDE 66.0 SAO 85038
HIP 84976 Tycho2 2074-01335-1 HD 157392 BD BD+23 3092
Tycho2
Tycho2 2074-01335-1 Pflag RAmdeg 260.51890140 DEmdeg 23.16135784
PmRA -15.7 PmDE 54.1 E RAmdeg 6 E DEmdeg 5
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.26 EpDEm 1991.40
Num 9 Q RAmdeg 1.3 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 8.953 E BTmag 0.016 VTmag 8.361
E VTmag 0.011 Prox 999 TYC T HIP 84976
CCDM AB RAdeg 260.51894139 DEdeg 23.16123444 EpRA 1990 1.75
EpDE 1990 1.80 E RAdeg 5.9 E DEdeg 4.8 Posflg P
Corr 0.0
SAO
SAO 85038 DelFlag RA1950 PmRA1950 -0.0012
DE1950 PmDE1950 0.054 Vmag 7.9 SpType F5
Double code Source 35 CatNum 5943 DM BD+23 3092
DMcomp BDsup HD 157392 M HD 0
GC RA1950rad 4.53778553 DE1950rad 0.40505138 PmRA2000 -0.0011
PmDE2000 0.055
Hipparcos
Catalog H HIP 84976 Proxy H RAhms 17 22 04.55
DEdms +23 09 40.4 Vmag 8.29 VarFlag R Vmag H
RAdeg 260.519 DEdeg 23.1612 AstroRef * Plx 9.01
CCDM 17221+2310 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 335 Rho 0.168 HD 157392 BD BD+23 3092
CD CP Dm number +23 3092 VIred 0.63
SpType F5 R SpType Coord arcsec 2000 172204.55+230940.4
Hipparcos 2
HIP 84976 Sn 55 So 3 Nc 2
RArad 4.546913348 DErad 0.4042396868 Plx 11.8 PmRA -9.01
PmDE 53.37 E RArad 0.55 E DErad 0.8 E Plx 1.23
E pmRA 0.72 E pmDE 1.16 Hpmag 8.4067 E Hpmag 0.0015
SHp 0.019 VA 0 BV 0.548 E BV 0.011
VI 0.62
CCDM
Ccdm 17221+2310 RComp Comp A Note1
Note2 Discov num DRAs -1.50 DDEs -18.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp F5 PmNote *
PmRA -28 PmDE 63 Dm number +23 3092 Cat1 BD
Name2 +23 1624 Cat2 AGK2/3 HD 157392 M HD
ADS BDS M ADS BDS N IDS IDS 17179N2315A
HIC 84976
 
 
17221+2310 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172204.54+230940.3 Mag 9.83 Calc delta mag 1.08
Calc coord yes
CCDM
Ccdm 17221+2310 RComp Comp B Note1 *
Note2 Discov num COU 415 DRAs DDEs
R dRAs Year 1969 Theta 125 Rho 0.3
Obs 1 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17179N2315B
HIC 84976