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Doubles in session


Current system
17472+1502
HU 1288
HD 161819


Nearby doubles
17' : 17467+1447
STF2217AB

18' : 17479+1449
STF2222

34' : 17492+1517
OL 197

36' : 17495+1513
KPP 401

45' : 17478+1546
TOB 267

47' : 17439+1455
J 2115

47' : 17483+1547
J 753AB

54' : 17506+1517
FOX 22

54' : 17509+1458
J 2117

56' : 17478+1557
TOB 268AB

56' : 17456+1553
HU 1287

57' : 17443+1425
HJ 1303

60' : 17433+1441
BPM 695

61' : 17514+1504
UC 3429

62' : 17434+1435
UC 3391

62' : 17468+1401
LSC 77

65' : 17433+1534
KPP4055

66' : 17516+1513
KPP3324

67' : 17467+1356
TDT 502

71' : 17444+1600
LSC 75

72' : 17520+1449
TDT 542

72' : 17520+1520
STT 338AB

78' : 17478+1619
HEI 254

79' : 17518+1422
UC 3431

81' : 17527+1459
BPM 705

81' : 17461+1343
TDT 496



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.

17472+1502 HU 1288 (HD 161819)

 
 
17h 47m 09.16s +15° 02' 13.8" P.A. 163.00 sep 0.4 mag 8.31,9.37 Sp A0 dist. 311.53 pc (1016.21 l.y.)
 
 
Coord 2000 17472+1502 Discov num HU 1288 Comp Coord arcsec 2000 17 47 09.16 +15 02 13.8
Date first 1905 Date last 2016 Obs 47
Pa first 116 Pa last 162.9 P.A. Now (θ) 162.9°
Sep first 0.2 Sep last 0.435 Sep. Now (ρ) 0.435"
Mag pri 8.31 Mag sec 9.37 delta mag (ΔM) 1.06 Spectral class A0 (white)
Pri motion ra +001 Sec motion ra +001
Pri motion dec -010 Sec motion dec -010
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161819 Constellation Hercules SAO 103105 HIP 87047
Tycho2 1552-00152-1 HD 161819 ADS 10796 BD BD+15 3270
Distance 311.53 Distance ly 1016.21
 
 
ORBITAL ELEMENTS
 
 
Period (P)765y Periastron (T)2005y Semi-major axis (a)0.519a
Eccentricity (e)0.16 Inclination (i)64.5° Longitude of periastron (ω)355.1°
Node (Ω)159.5° Notes ReferenceZir2015a
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 156.0 0.432
2001 156.2 0.433
2002 156.5 0.433
2003 156.8 0.434
2004 157.1 0.434
2005 157.4 0.435
2006 157.7 0.435
2007 158.0 0.435
2008 158.2 0.436
2009 158.5 0.436
2010 158.8 0.436
2011 159.1 0.436
2012 159.4 0.436
2013 159.7 0.436
2014 159.9 0.436
2015 160.2 0.436
2016 160.5 0.436
2017 160.8 0.436
2018 161.1 0.436
2019 161.4 0.436
2020 161.6 0.436
2021 161.9 0.435
2022 162.2 0.435
2023 162.5 0.435
2024 162.8 0.434
2025 163.1 0.434
2026 163.4 0.433
2027 163.6 0.433
2028 163.9 0.432
2029 164.2 0.432
2030 164.5 0.431


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


 
  


wds17472%2B1502a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17472+1502 HU 1288 (HD 161819) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Zir2015a orb - Zirm, H. 2015IAUDS.185....1Z
Zir2015a Inf. Circ. 185, 1, 2015
 
 
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
17472+1502 HU 1288 1995 40 156 0.4 8.31 9.37 A0 D 174709.16+150213.8
17472+1502 HU 1288 2010 41 163 0.4 8.31 9.37 A0 D 174709.16+150213.8
17472+1502 HU 1288 2016 44 163 0.4 8.31 9.37 A0 O 174709.16+150213.8

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

 
 
WDS 17472+1502 HU 1288 (HD 161819) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17472+1502 HU 1288 (HD 161819) : MEASURES
 
 
No records found.

 
 
WDS 17472+1502 (HD 161819) : VIRTUAL EYEPIECE
 
 

17472+1502 HU 1288A mag 8.31 Sp A0 17472+1502 HU 1288B sep 0.4 P.A. 163.50 mag 9.37 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 17472+1502 (HD 161819) : ALADIN DSS IMAGE @ 17h 47m 09.16s +15° 02' 13.8"
 
 
 
 
WDS 17472+1502 HU 1288 (HD 161819) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17472+1502 HU 1288 distance=0' 17467+1447 STF2217AB distance=17' 17467+1447 STF2217AC distance=17' 17479+1449 STF2222 distance=18' 17492+1517 OL 197 distance=34' 17495+1513 KPP 401 distance=36' 17478+1546 TOB 267 distance=45' 17439+1455 J 2115 distance=47' 17483+1547 J 753AB distance=47' 17483+1547 FOX 209AC distance=47' 17506+1517 FOX 22 distance=54' 17509+1458 J 2117 distance=54' 17478+1557 TOB 268AB distance=56' 17478+1557 TOB 268AC distance=56' 17456+1553 HU 1287 distance=56' 17443+1425 HJ 1303 distance=57' 17433+1441 BPM 695 distance=60' 17514+1504 UC 3429 distance=61' 17434+1435 UC 3391 distance=62' 17468+1401 LSC 77 distance=62' 17433+1534 KPP4055 distance=65' 17516+1513 KPP3324 distance=66' 17467+1356 TDT 502 distance=67' 17444+1600 LSC 75 distance=71' 17520+1449 TDT 542 distance=72' 17520+1520 STT 338AB distance=72' 17520+1520 STT 338AC distance=72' 17520+1520 STT 338AD distance=72' 17478+1619 HEI 254 distance=78' 17518+1422 UC 3431 distance=79' 17527+1459 BPM 705 distance=81' 17461+1343 TDT 496 distance=81' 17520+1542 HDS2520 distance=81' 17525+1530 L 17AB distance=83' 17525+1530 WLY 20AC distance=83' 17482+1339 BPM 699 distance=85' 17530+1521 OSO 86AB distance=87' 17530+1521 OSO 86AC distance=87' 17530+1521 ZIE 11AD distance=87' 17411+1505 UC 3382AB distance=88' 17420+1557 BU 1251AB distance=93' 17420+1557 BU 1251AC distance=93' 17489+1633 TDT 519 distance=95' 17477+1641 UC 3411 distance=99' 17525+1402 TOK 611 distance=99' 17531+1401 HJ 1306 distance=107' 17457+1650 A 2092 distance=110' 17539+1413 TDT 563AB distance=110' 17539+1413 GII 254Aa,Ab distance=110' 17403+1553 TVB 296 distance=113' 17538+1610 BPM 707 distance=118' 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 17472+1502 HU 1288 163 0.4
Show 17467+1447 STF2217 AB 284 7.1 17
Show 17467+1447 STF2217 AC 300 23.2 17
Show 17479+1449 STF2222 63 2.4 18
Show 17492+1517 OL 197 113 3.7 34
Show 17495+1513 KPP 401 114 3.7 36
Show 17478+1546 TOB 267 84 17.9 45
Show 17439+1455 J 2115 223 6.6 47
Show 17483+1547 J 753 AB 275 2.0 47
Show 17483+1547 FOX 209 AC 179 47.9 47
Show 17506+1517 FOX 22 340 1.0 54
Show 17509+1458 J 2117 199 5.1 54
Show 17478+1557 TOB 268 AB 115 24.1 56
Show 17478+1557 TOB 268 AC 253 70.2 56
Show 17456+1553 HU 1287 63 1.9 56
Show 17443+1425 HJ 1303 152 41.1 57
Show 17433+1441 BPM 695 52 118.7 60
Show 17514+1504 UC 3429 131 53.5 61
Show 17434+1435 UC 3391 137 10.2 62
Show 17468+1401 LSC 77 80 0.1 62
Show 17433+1534 KPP4055 106 1.3 65
Show 17516+1513 KPP3324 349 14.1 66
Show 17467+1356 TDT 502 234 2.5 67
Show 17444+1600 LSC 75 323 0.6 71
Show 17520+1449 TDT 542 186 0.7 72
Show 17520+1520 STT 338 AB 168 0.9 72
Show 17520+1520 STT 338 AC 202 32.6 72
Show 17520+1520 STT 338 AD 247 96.3 72
Show 17478+1619 HEI 254 275 2.3 78
Show 17518+1422 UC 3431 224 23.0 79
Show 17527+1459 BPM 705 230 26.6 81
Show 17461+1343 TDT 496 332 1.5 81
Show 17520+1542 HDS2520 184 4.6 81
Show 17525+1530 L 17 AB 292 2.7 83
Show 17525+1530 WLY 20 AC 122 38.1 83
Show 17482+1339 BPM 699 325 43.6 85
Show 17530+1521 OSO 86 AB 208 20.9 87
Show 17530+1521 OSO 86 AC 300 23.4 87
Show 17530+1521 ZIE 11 AD 112 28.8 87
Show 17411+1505 UC 3382 AB 341 24.2 88
Show 17420+1557 BU 1251 AB 102 1.4 93
Show 17420+1557 BU 1251 AC 271 154.7 93
Show 17489+1633 TDT 519 221 1.0 95
Show 17477+1641 UC 3411 258 13.4 99
Show 17525+1402 TOK 611 255 999.9 99
Show 17531+1401 HJ 1306 5 30.1 107
Show 17457+1650 A 2092 337 0.9 110
Show 17539+1413 TDT 563 AB 62 1.7 110
Show 17539+1413 GII 254 Aa,Ab 107 0.5 110
Show 17403+1553 TVB 296 302 17.0 113
Show 17538+1610 BPM 707 132 98.6 118

 
 
WDS 17472+1502 : COMPONENTS
 
 
  A
B pa=163.5°
sep=0.43"
 
 
17472+1502 A
 
 
Componente originario normalizzato AB Name HD 161819 Coord arcsec 2000 174709.16+150213.8 Mag 8.31
Spectral class A0 (white) PmRA 1.00 PmDE -10.0 SAO 103105
HIP 87047 Tycho2 1552-00152-1 HD 161819 BD BD+15 3270
Tycho2
Tycho2 1552-00152-1 Pflag RAmdeg 266.78817384 DEmdeg 15.03715464
PmRA 0.9 PmDE -9.8 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.29 EpDEm 1991.20
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.6 Q pmRA 0.8
Q pmDE 1.7 BTmag 8.101 E BTmag 0.015 VTmag 8.041
E VTmag 0.011 Prox 727 TYC T HIP 87047
CCDM AB RAdeg 266.78817167 DEdeg 15.03717778 EpRA 1990 1.59
EpDE 1990 1.53 E RAdeg 4.5 E DEdeg 4.7 Posflg P
Corr -0.2
SAO
SAO 103105 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 -0.019 Vmag 7.9 SpType A0
Double code Source 29 CatNum 6260 DM BD+15 3270
DMcomp BDsup HD 161819 M HD 0
GC RA1950rad 4.6464517 DE1950rad 0.26274601 PmRA2000 -0.0004
PmDE2000 -0.018
Hipparcos
Catalog H HIP 87047 Proxy H RAhms 17 47 09.16
DEdms +15 02 14.0 Vmag 7.99 VarFlag R Vmag H
RAdeg 266.788 DEdeg 15.0372 AstroRef A Plx 2.46
CCDM 17472+1502 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 153 Rho 0.428 HD 161819 BD BD+15 3270
CD CP Dm number +15 3270 VIred 0.05
SpType A0 R SpType Coord arcsec 2000 174709.16+150214.0
Hipparcos 2
HIP 87047 Sn 15 So 3 Nc 2
RArad 4.6563316505 DErad 0.2624489475 Plx 3.21 PmRA -4.34
PmDE -7.59 E RArad 0.75 E DErad 0.74 E Plx 1.16
E pmRA 0.87 E pmDE 0.82 Hpmag 8.0153 E Hpmag 0.0013
SHp 0.013 VA 0 BV 0.054 E BV 0.009
VI 0.07
CCDM
Ccdm 17472+1502 RComp Comp A Note1
Note2 Discov num DRAs -2.87 DDEs 14.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.7 Sp A0 PmNote *
PmRA -10 PmDE 8 Dm number +15 3270 Cat1 BD
Name2 +15 1801 Cat2 AGK2/3 HD 161819 M HD
ADS BDS A10796 M ADS BDS N IDS IDS 17426N1504A
HIC 87047
 
 
17472+1502 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 174709.17+150213.4 Mag 9.37 PmRA 1.00
PmDE -10.0 Calc delta mag 1.06 Calc coord yes
CCDM
Ccdm 17472+1502 RComp Comp B Note1
Note2 Discov num HU 1288 DRAs DDEs
R dRAs Year 1958 Theta 144 Rho 0.4
Obs 19 Vmag 9.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10796 M ADS BDS N IDS IDS 17426N1504B
HIC 87047