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Doubles in session


Current system
18025+4414
BU 1127 AB
HD 165170


Nearby doubles
29' : 18030+4442
ES 1416

36' : 17593+4422
UC 3463

39' : 18058+4400
LDS4775

46' : 18001+4452
LDS4769

48' : 18064+4437
COU1926

53' : 18072+4430
BRT1914

53' : 18022+4506
CBL 73

64' : 18084+4407
HDS2554

65' : 18015+4517
STF2270

67' : 17571+4343
KPP 404

68' : 17596+4314
COU1784

69' : 18011+4521
STF3129

75' : 17559+4351
ES 1415

76' : 18054+4306
COU1787

79' : 17556+4350
TDT 575

80' : 18055+4301
TDS 903

88' : 18097+4334
CVR 868

92' : 17571+4303
CBL 520

93' : 18094+4319
ES 1418

94' : 18092+4314
ES 1417AB

97' : 18003+4548
ES 1260

105' : 18050+4233
UC 3488

106' : 18120+4355
ES 1419

107' : 18103+4521
LDS4777

110' : 17587+4231
POP 123

110' : 18024+4604
BVD 260



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

18025+4414 BU 1127 AB (HD 165170)

 
 
18h 02m 30.89s +44° 14' 02.6" P.A. 39.00 sep 0.7 mag 7.31,9.20 Sp F5V dist. 81.3 pc (265.2 l.y.)
 
 
Coord 2000 18025+4414 Discov num BU 1127 Comp AB Coord arcsec 2000 18 02 30.89 +44 14 02.6
Date first 1889 Date last 2018 Obs 95
Pa first 146 Pa last 39.4 P.A. Now (θ) 39.4°
Sep first 0.8 Sep last 0.677 Sep. Now (ρ) 0.677"
Mag pri 7.31 Mag sec 9.20 delta mag (ΔM) 1.89 Spectral class F5V (yellow-white)
Pri motion ra -040 Sec motion ra -040
Pri motion dec -067 Sec motion dec -067
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
18025+4414 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 47163 18 02 31 +44 14 03 OLE 4 Aa,Ab 2018 4 319 0.1 7.31 Y
Show HD 165170 47163 18 02 31 +44 14 03 BU 1127 AB 2018 95 39 0.7 7.31 9.20 1.89 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165170 Constellation Hercules SAO 47163 HIP 88350
Tycho2 3114-01159-1 Gaia DR2 2114382335056498432 HD 165170 GC 24581
ADS 11010 BD BD+44 2812 Distance 81.3 Distance ly 265.2
 
 
WDS 18025+4414 BU 1127 AB (HD 165170) : NOTES
 
 
discov_num notes refcode
BU 1127 A premature orbit has been computed.
L 18 is probably the same star VBs1960
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
L 18.
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
VBs1960 Mb - Van Biesbroeck, G. 1960PYerO...9....2V
VBs1960 +orb Pub. Yerkes Obs. 9, pt. 2, 1960
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 OLE Olevic, D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18025+4414 BU 1127 AB 2002 77 60 0.8 7.31 9.20 F5V NOD 180230.89+441402.6
18025+4414 BU 1127 AB 2007 80 55 0.7 7.31 9.20 F5V NOD 180230.89+441402.6
18025+4414 BU 1127 AB 2010 84 53 0.7 7.31 9.20 F5V NOD 180230.89+441402.6
18025+4414 BU 1127 AB 2011 87 50 0.7 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2012 88 49 0.7 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2015 89 47 0.7 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2016 90 42 0.8 7.31 9.20 F5V NO 180230.89+441402.6
18025+4414 BU 1127 AB 2018 92 39 0.7 7.31 9.20 F5V NO 180230.89+441402.6

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

 
 
WDS 18025+4414 BU 1127 AB (HD 165170) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18025+4414 BU 1127 AB (HD 165170) : MEASURES
 
 
No records found.

 
 
WDS 18025+4414 (HD 165170) : VIRTUAL EYEPIECE
 
 

18025+4414 BU 1127A mag 7.31 Sp F5V 18025+4414 OLE 4Ab sep 0.1 P.A. 328.10 18025+4414 BU 1127B sep 0.6 P.A. 30.50 mag 9.2 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18025+4414 (HD 165170) : ALADIN DSS IMAGE @ 18h 02m 30.89s +44° 14' 02.6"
 
 
 
 
WDS 18025+4414 BU 1127 AB (HD 165170) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18025+4414 OLE 4Aa,Ab distance=1' 18025+4414 BU 1127AB distance=1' 18030+4442 ES 1416 distance=29' 17593+4422 UC 3463 distance=36' 18058+4400 LDS4775 distance=39' 18001+4452 LDS4769 distance=46' 18064+4437 COU1926 distance=48' 18072+4430 BRT1914 distance=53' 18022+4506 CBL 73 distance=53' 18083+4406 KPP4086CD distance=64' 18084+4407 HDS2554 distance=64' 18015+4517 STF2270 distance=65' 17571+4343 KPP 404 distance=67' 17596+4314 COU1784 distance=68' 18011+4521 STF3129 distance=69' 17559+4351 ES 1415 distance=75' 18054+4306 COU1787 distance=76' 17556+4350 TDT 575 distance=79' 18055+4301 TDS 903 distance=80' 18097+4334 CVR 868 distance=88' 17571+4303 CBL 520 distance=92' 18094+4319 ES 1418 distance=93' 18092+4314 ES 1417AB distance=94' 18092+4314 ES 1417BC distance=94' 18003+4548 ES 1260 distance=97' 18050+4233 UC 3488 distance=105' 18120+4355 ES 1419 distance=106' 18103+4521 LDS4777 distance=107' 17587+4231 POP 123 distance=110' 18024+4604 BVD 260 distance=110' 17533+4329 TDT 556 distance=110' 18075+4552 KUI 85 (Nova Hercules) distance=111' 17571+4551 HU 235 distance=114' 17536+4313 ES 2663 distance=115' 17567+4557 BVD 258 distance=120' 18004+4611 J 756 distance=121' 18109+4242 ROE 6CD distance=121' 18109+4242 ROE 5AB distance=122' 18109+4242 ROE 5AC distance=122' 18058+4215 KPP2613 distance=124' 18093+4555 WFC 205 distance=125' 17514+4332 LDS4767 distance=128' 18063+4213 ROE 18 distance=128' 17512+4454 STF2242AB distance=128' 17512+4454 CTT 26AC distance=128' 18043+4206 COU1786Aa,Ab distance=130' 18043+4206 ROE 1AB distance=130' 18132+4315 A 576 distance=131' 17526+4531 UC 233 distance=131' 18026+4204 UC 3480 distance=131' 17502+4424 SIG 3 distance=133' 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 18025+4414 OLE 4 Aa,Ab 319 0.1 1
Show 18025+4414 BU 1127 AB 39 0.7 1
Show 18030+4442 ES 1416 73 1.5 29
Show 17593+4422 UC 3463 305 51.0 36
Show 18058+4400 LDS4775 53 15.7 39
Show 18001+4452 LDS4769 312 82.7 46
Show 18064+4437 COU1926 124 0.3 48
Show 18072+4430 BRT1914 160 4.1 53
Show 18022+4506 CBL 73 293 31.7 53
Show 18083+4406 KPP4086 CD 236 2.9 64
Show 18084+4407 HDS2554 205 0.1 64
Show 18015+4517 STF2270 212 6.3 65
Show 17571+4343 KPP 404 293 3.7 67
Show 17596+4314 COU1784 97 2.2 68
Show 18011+4521 STF3129 168 30.8 69
Show 17559+4351 ES 1415 130 1.7 75
Show 18054+4306 COU1787 325 0.4 76
Show 17556+4350 TDT 575 209 0.5 79
Show 18055+4301 TDS 903 173 1.1 80
Show 18097+4334 CVR 868 207 28.7 88
Show 17571+4303 CBL 520 111 35.8 92
Show 18094+4319 ES 1418 303 4.3 93
Show 18092+4314 ES 1417 AB 206 13.9 94
Show 18092+4314 ES 1417 BC 277 4.2 94
Show 18003+4548 ES 1260 203 3.0 97
Show 18050+4233 UC 3488 313 4.2 105
Show 18120+4355 ES 1419 320 10.4 106
Show 18103+4521 LDS4777 60 56.3 107
Show 17587+4231 POP 123 232 3.4 110
Show 18024+4604 BVD 260 65 21.4 110
Show 17533+4329 TDT 556 257 0.8 110
Show Nova Hercules 18075+4552 KUI 85 130 3.1 111
Show 17571+4551 HU 235 289 1.8 114
Show 17536+4313 ES 2663 333 10.1 115
Show 17567+4557 BVD 258 91 15.5 120
Show 18004+4611 J 756 181 3.5 121
Show 18109+4242 ROE 6 CD 228 11.1 121
Show 18109+4242 ROE 5 AB 115 14.9 122
Show 18109+4242 ROE 5 AC 32 193.5 122
Show 18058+4215 KPP2613 113 24.0 124
Show 18093+4555 WFC 205 50 6.5 125
Show 17514+4332 LDS4767 253 15.7 128
Show 18063+4213 ROE 18 171 14.9 128
Show 17512+4454 STF2242 AB 325 3.4 128
Show 17512+4454 CTT 26 AC 108 79.7 128
Show 18043+4206 COU1786 Aa,Ab 11 0.2 130
Show 18043+4206 ROE 1 AB 186 24.3 130
Show 18132+4315 A 576 282 0.4 131
Show 17526+4531 UC 233 94 24.3 131
Show 18026+4204 UC 3480 18 23.8 131
Show 17502+4424 SIG 3 68 0.2 133

 
 
WDS 18025+4414 : COMPONENTS
 
 
  A Ab
Ab pa=328.1°
sep=0.07"
 
B pa=30.5°
sep=0.61"
pa=36.3°
sep=0.58"
 
 
18025+4414 A
 
 
Name HD 165170 Coord arcsec 2000 180230.89+441402.6 Mag 7.31 Spectral class F5V (yellow-white)
PmRA -40.00 PmDE -67.0 SAO 47163 HIP 88350
Tycho2 3114-01159-1 HD 165170 GC 24581 ADS 11010
BD BD+44 2812
Tycho2
Tycho2 3114-01159-1 Pflag P RAmdeg 270.62860118 DEmdeg 44.23389548
PmRA -40.1 PmDE -67.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.58 EpDEm 1991.50
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 7.745 E BTmag 0.015 VTmag 7.305
E VTmag 0.010 Prox 9 TYC T HIP 88350
CCDM A RAdeg 270.62870750 DEdeg 44.23404611 EpRA 1990 1.69
EpDE 1990 1.63 E RAdeg 4.2 E DEdeg 4.2 Posflg D
Corr 0.1
SAO
SAO 47163 DelFlag RA1950 PmRA1950 -0.0045
DE1950 PmDE1950 -0.056 Vmag 7.2 SpType F2
Double code Source 70 CatNum 24581 DM BD+44 2812
DMcomp BDsup HD 165170 M HD 0
GC 24581 RA1950rad 4.71691875 DE1950rad 0.77200657 PmRA2000 -0.004
PmDE2000 -0.056
Hipparcos
Catalog H HIP 88350 Proxy H RAhms 18 02 30.89
DEdms +44 14 02.6 Vmag 7.1 VarFlag R Vmag G
RAdeg 270.629 DEdeg 44.2341 AstroRef A Plx 12.75
CCDM 18025+4414 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 69 Rho 0.868 HD 165170 BD BD+44 2812
CD CP Dm number +44 2812 VIred 0.55
SpType F2 R SpType Coord arcsec 2000 180230.89+441402.6
Hipparcos 2
HIP 88350 Sn 15 So 3 Nc 2
RArad 4.7233620627 DErad 0.77202983 Plx 12.3 PmRA -36.46
PmDE -65.22 E RArad 0.44 E DErad 0.42 E Plx 0.5
E pmRA 0.45 E pmDE 0.55 Hpmag 7.1931 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.483 E BV 0.015
VI 0.55
CCDM
Ccdm 18025+4414 RComp Comp A Note1
Note2 Discov num DRAs 0.85 DDEs 1.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.4 Sp F2 PmNote *
PmRA -47 PmDE -65 Dm number +44 2812 Cat1 BD
Name2 +44 1450 Cat2 AGK2/3 HD 165170 M HD
ADS BDS A11010 M ADS BDS N IDS IDS 17596N4414A
HIC 88350
 
 
18025+4414 Ab
 
 
Coord arcsec 2000 180230.89+441402.7 Calc delta mag 7.31 Calc coord yes
 
 
18025+4414 B
 
 
Coord arcsec 2000 180230.92+441403.1 Mag 9.2 PmRA -40.00 PmDE -67.0
Tycho2 3114-01159-2 Calc delta mag 1.89 Calc coord yes
Tycho2
Tycho2 3114-01159-2 Pflag P RAmdeg 270.62860118 DEmdeg 44.23389548
PmRA -40.1 PmDE -67.4 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.58 EpDEm 1991.50
Num 6 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.2
Q pmDE 1.2 BTmag 9.877 E BTmag 0.024 VTmag 9.198
E VTmag 0.018 Prox 9 TYC HIP 88350
CCDM B RAdeg 270.62902889 DEdeg 44.23413250 EpRA 1990 1.67
EpDE 1990 1.63 E RAdeg 11.6 E DEdeg 11.6 Posflg D
Corr 0.1
CCDM
Ccdm 18025+4414 RComp Comp B Note1 *
Note2 Discov num BU 1127 DRAs DDEs
R dRAs Year 1960 Theta 094 Rho 0.9
Obs 29 Vmag 9.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11010 M ADS BDS N N IDS IDS 17596N4414B
HIC 88350