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Doubles in session


Current system
18101+1629
STF 2289
NSV10311


Nearby doubles
6' : 18103+1623
UC 3513

15' : 18092+1623
UC 3507

21' : 18112+1614
TDT 728

23' : 18093+1648
BPM 733

25' : 18119+1630
GWP2767

26' : 18090+1610
BPM 730AB

27' : 18112+1648
LDS1006

35' : 18091+1700
TDS 907

39' : 18086+1700
HDS2555

47' : 18125+1701
BPMA 52

48' : 18088+1712
GWP2763

48' : 18113+1713
HU 317

49' : 18134+1643
HEI 170

53' : 18073+1557
LDS1005AB

55' : 18115+1538
UC 3524

64' : 18069+1712
BPM 724

64' : 18060+1651
GWP2758

69' : 18054+1624
A 2093

69' : 18136+1715
RAO 384

80' : 18156+1614
LDS1008

86' : 18043+1613
J 751

90' : 18042+1613
GCB 30

92' : 18092+1458
BPM 732

93' : 18054+1527
BPM 721

94' : 18096+1801
BRT2441

96' : 18089+1802
BPM 729



Selections
Full WDS
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.

18101+1629 STF 2289 (NSV10311)

 
 
18h 10m 08.69s +16° 28' 35.0" P.A. 217.00 sep 1.2 mag 6.65,7.21 Sp A0V+G0III dist. 263.85 pc (860.68 l.y.)
 
 
Coord 2000 18101+1629 Discov num STF2289 Comp Coord arcsec 2000 18 10 08.69 +16 28 35.0
Date first 1829 Date last 2019 Obs 319
Pa first 243 Pa last 217.2 P.A. Now (θ) 217.2°
Sep first 1.2 Sep last 1.22 Sep. Now (ρ) 1.22"
Mag pri 6.65 Mag sec 7.21 delta mag (ΔM) 0.56 Spectral class A0V+G0III (white/yellow)
Pri motion ra +000 Sec motion ra +000
Pri motion dec -014 Sec motion dec -014
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV10311 Constellation Hercules SAO 103443 HIP 89023
Tycho2 1567-02517-1 Gaia DR2 4499054727339303552 HD 166479 HR 6803
GC 24777 ADS 11123 BD BD+16 3390 Distance 263.85
Distance ly 860.68
 
 
ORBITAL ELEMENTS
 
 
Period (P)1958.8509y± 826.4005 Periastron (T)2198.3174y± 446.5394 Semi-major axis (a)2.4491a± 1.43869
Eccentricity (e)0.81761± 0.14203 Inclination (i)101.811°± 6.929 Longitude of periastron (ω)262.211°± 12.877
Node (Ω)21.771°± 38.671 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 220.1 1.218
2001 220.1 1.218
2002 220.0 1.218
2003 219.9 1.218
2004 219.8 1.218
2005 219.7 1.218
2006 219.6 1.218
2007 219.5 1.217
2008 219.4 1.217
2009 219.4 1.217
2010 219.3 1.217
2011 219.2 1.217
2012 219.1 1.217
2013 219.0 1.216
2014 218.9 1.216
2015 218.8 1.216
2016 218.7 1.216
2017 218.6 1.215
2018 218.6 1.215
2019 218.5 1.215
2020 218.4 1.214
2021 218.3 1.214
2022 218.2 1.214
2023 218.1 1.213
2024 218.0 1.213
2025 217.9 1.212
2026 217.9 1.212
2027 217.8 1.211
2028 217.7 1.211
2029 217.6 1.210
2030 217.5 1.210


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


 
  


wds18101%2B1629b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18101+1629 STF 2289 (NSV10311) : NOTES
 
 
discov_num notes refcode
STF2289 A premature orbit has been computed. The positional elements - not
given by Hopmann - were reconstructed from his ephemeris. Hop1964b
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
1995.553, 1998.657: Absolute quadrant determined by triple-correlation
techniques. Pru2002b
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Hop1964b orb - Hopmann, J. 1964AnWie..26....1H
Hop1964b Ann. Sternw. Wien 26, #1, 1964
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.)
Pru2002b S j Prieur, J.-L., Koechlin, L., Ginestet, N., Carquillat, J.-M., Aristidi, E., 2002ApJS..142...95P
Pru2002b Scardia, M., Arnold, L., Avila, R., et al.
Pru2002b ApJS 142, 95, 2002
 
 
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
18101+1629 STF2289 2007 310 222 1.2 6.65 7.21 A0V+G0III NOD 181008.69+162835.0
18101+1629 STF2289 2008 315 219 1.2 6.65 7.21 A0V+G0III NOD 181008.69+162835.0
18101+1629 STF2289 2009 316 219 1.2 6.65 7.21 A0V+G0III NOD 181008.69+162835.0
18101+1629 STF2289 2010 320 220 1.2 6.65 7.21 A0V+G0III NOD 181008.69+162835.0
18101+1629 STF2289 2012 323 226 1.2 6.65 7.21 A0V G0III NOD 181008.69+162835.0
18101+1629 STF2289 2013 327 222 1.2 6.65 7.21 A0V G0III NOD 181008.69+162835.0
18101+1629 STF2289 2014 301 222 1.2 6.65 7.21 A0V G0III NOD 181008.69+162835.0
18101+1629 STF2289 2015 304 219 1.2 6.65 7.21 A0V+G0III NO 181008.69+162835.0
18101+1629 STF2289 2016 310 221 1.2 6.65 7.21 A0V+G0III NO 181008.69+162835.0
18101+1629 STF2289 2017 313 219 1.2 6.65 7.21 A0V+G0III NO 181008.69+162835.0
18101+1629 STF2289 2018 314 219 1.2 6.65 7.21 A0V+G0III NO 181008.69+162835.0
18101+1629 STF2289 2019 316 218 1.2 6.65 7.21 A0V+G0III NO 181008.69+162835.0

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

 
 
WDS 18101+1629 STF 2289 (NSV10311) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18101+1629 STF 2289 (NSV10311) : MEASURES
 
 
No records found.

 
 
WDS 18101+1629 (NSV10311) : VIRTUAL EYEPIECE
 
 

18101+1629 STF2289A mag 6.65 Sp A0V 18101+1629 STF2289B sep 1.2 P.A. 216.00 mag 7.21 Sp G0III 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 18101+1629 (NSV10311) : ALADIN DSS IMAGE @ 18h 10m 08.69s +16° 28' 35.0"
 
 
 
 
WDS 18101+1629 STF 2289 (NSV10311) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18101+1629 STF2289 distance=1' 18103+1623 UC 3513 distance=6' 18092+1623 UC 3507 distance=15' 18112+1614 TDT 728 distance=21' 18093+1648 BPM 733 distance=23' 18090+1610 BPM 731BC distance=24' 18119+1630 GWP2767 distance=25' 18090+1610 BPM 730AB distance=26' 18112+1648 LDS1006 distance=27' 18091+1700 TDS 907 distance=35' 18086+1700 HDS2555 distance=39' 18125+1701 BPMA 52 distance=47' 18088+1712 GWP2763 distance=48' 18113+1713 HU 317 distance=48' 18134+1643 HEI 170 distance=49' 18073+1557 TOB 271BC distance=51' 18073+1557 LDS1005AB distance=53' 18073+1557 TOB 271AC distance=53' 18115+1538 UC 3524 distance=55' 18069+1712 BPM 724 distance=64' 18060+1651 GWP2758 distance=64' 18054+1624 A 2093 distance=69' 18136+1715 RAO 384 distance=69' 18156+1614 LDS1008 distance=80' 18043+1613 J 751 distance=86' 18042+1613 GCB 30 distance=90' 18092+1458 BPM 732 distance=92' 18054+1527 BPM 721 distance=93' 18096+1801 BRT2441 distance=94' 18089+1802 BPM 729 distance=96' 18115+1455 OSO 94 distance=96' 18052+1739 KPP4082 distance=100' 18149+1516 ROE 122 distance=101' 18145+1752 BPM 746 distance=105' 18031+1654 BPM 718 distance=105' 18171+1706 BPM 753 distance=107' 18175+1647 BPM 755 distance=108' 18103+1817 HU 316 distance=109' 18158+1516 BPM 751AB distance=110' 18158+1516 BPM 751AC distance=110' 18075+1443 BPM 726 distance=113' 18074+1817 BPM 725 distance=116' 18056+1452 UC 3492 distance=117' 18171+1527 TDT 774 distance=118' 18181+1559 BPM 757 distance=119' 18116+1426 UC 3525 distance=124' 18172+1517 BPM 754 distance=125' 18152+1446 BPM 749 distance=126' 18086+1838 HU 314 distance=132' 18186+1538 BPMA 53 distance=132' 18042+1447 STF2269 distance=134' 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 18101+1629 STF2289 217 1.2 1
Show 18103+1623 UC 3513 76 82.3 6
Show 18092+1623 UC 3507 60 106.0 15
Show 18112+1614 TDT 728 158 0.6 21
Show 18093+1648 BPM 733 122 57.7 23
Show 18090+1610 BPM 731 BC 84 98.8 24
Show 18119+1630 GWP2767 248 12.2 25
Show 18090+1610 BPM 730 AB 78 105.2 26
Show 18112+1648 LDS1006 315 32.9 27
Show 18091+1700 TDS 907 149 0.9 35
Show 18086+1700 HDS2555 113 0.5 39
Show 18125+1701 BPMA 52 73 266.4 47
Show 18088+1712 GWP2763 317 7.7 48
Show 18113+1713 HU 317 205 1.5 48
Show 18134+1643 HEI 170 313 0.3 49
Show 18073+1557 TOB 271 BC 243 91.2 51
Show 18073+1557 LDS1005 AB 16 153.5 53
Show 18073+1557 TOB 271 AC 340 112.2 53
Show 18115+1538 UC 3524 249 77.9 55
Show 18069+1712 BPM 724 1 74.0 64
Show 18060+1651 GWP2758 149 9.0 64
Show 18054+1624 A 2093 227 0.6 69
Show 18136+1715 RAO 384 196 0.7 69
Show 18156+1614 LDS1008 187 13.1 80
Show 18043+1613 J 751 207 4.0 86
Show 18042+1613 GCB 30 159 1.3 90
Show 18092+1458 BPM 732 187 35.7 92
Show 18054+1527 BPM 721 299 112.9 93
Show 18096+1801 BRT2441 26 4.8 94
Show 18089+1802 BPM 729 92 23.4 96
Show 18115+1455 OSO 94 237 8.9 96
Show 18052+1739 KPP4082 45 31.7 100
Show 18149+1516 ROE 122 268 6.8 101
Show 18145+1752 BPM 746 116 106.5 105
Show 18031+1654 BPM 718 52 42.0 105
Show 18171+1706 BPM 753 208 70.4 107
Show 18175+1647 BPM 755 314 73.3 108
Show 18103+1817 HU 316 157 1.8 109
Show 18158+1516 BPM 751 AB 119 8.9 110
Show 18158+1516 BPM 751 AC 295 30.5 110
Show 18075+1443 BPM 726 236 23.4 113
Show 18074+1817 BPM 725 278 17.0 116
Show 18056+1452 UC 3492 218 13.2 117
Show 18171+1527 TDT 774 31 0.6 118
Show 18181+1559 BPM 757 8 108.8 119
Show 18116+1426 UC 3525 289 65.8 124
Show 18172+1517 BPM 754 174 114.5 125
Show 18152+1446 BPM 749 119 73.5 126
Show 18086+1838 HU 314 71 0.3 132
Show 18186+1538 BPMA 53 27 237.0 132
Show 18042+1447 STF2269 166 23.9 134

 
 
WDS 18101+1629 : COMPONENTS
 
 
  A
B pa=216.0°
sep=1.20"
 
 
18101+1629 A
 
 
Componente originario normalizzato AB Name NSV10311 Coord arcsec 2000 181008.69+162835.0 Mag 6.65
Spectral class A0V (white) PmRA 0.00 PmDE -14.0 SAO 103443
HIP 89023 Tycho2 1567-02517-1 HD 166479 HR 6803
GC 24777 BD BD+16 3390
Tycho2
Tycho2 1567-02517-1 Pflag P RAmdeg 272.53619869 DEmdeg 16.47639378
PmRA 0.1 PmDE -14.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.36 EpDEm 1991.31
Num 5 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.1 BTmag 7.946 E BTmag 0.015 VTmag 6.654
E VTmag 0.009 Prox 12 TYC T HIP 89023
CCDM A RAdeg 272.53636944 DEdeg 16.47661556 EpRA 1990 1.44
EpDE 1990 1.39 E RAdeg 3.7 E DEdeg 3.8 Posflg D
Corr 0.2
SAO
SAO 103443 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.008 Vmag 6.1 SpType +++
Double code Source 70 CatNum 24777 DM BD+16 3390
DMcomp BDsup HD 166479 M HD 9
GC 24777 RA1950rad 4.74690686 DE1950rad 0.28738199 PmRA2000 -0.0003
PmDE2000 -0.007
Hipparcos
Catalog H HIP 89023 Proxy H RAhms 18 10 08.73
DEdms +16 28 35.8 Vmag 6.09 VarFlag R Vmag H
RAdeg 272.536 DEdeg 16.4766 AstroRef A Plx 2.17
CCDM 18101+1629 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 221 Rho 1.217 HD 166479 BD BD+16 3390
CD CP Dm number +16 3390 VIred 0.7
SpType B9V+... R SpType Coord arcsec 2000 181008.73+162835.8
Hipparcos 2
HIP 89023 Sn 15 So 3 Nc 2
RArad 4.7566569743 DErad 0.2875712196 Plx 3.79 PmRA -1.13
PmDE -13.25 E RArad 0.44 E DErad 0.49 E Plx 0.67
E pmRA 0.52 E pmDE 0.53 Hpmag 6.2163 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.574 E BV 0.01
VI 0.65
CCDM
Ccdm 18101+1629 RComp Comp A Note1
Note2 Discov num DRAs 2.70 DDEs -25.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.4 Sp F2 PmNote *
PmRA -3 PmDE -25 Dm number +16 3390 Cat1 BD
Name2 +16 1789 Cat2 AGK2/3 HD 166479 M HD
ADS BDS A11123 M ADS BDS N IDS IDS 18057N1627A
HIC 89023
 
 
18101+1629 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181008.64+162834.0 Mag 7.21 Spectral class G0III (yellow)
PmRA 0.00 PmDE -14.0 Tycho2 1567-02517-2 Calc delta mag 0.56
Calc coord yes
Tycho2
Tycho2 1567-02517-2 Pflag P RAmdeg 272.53619869 DEmdeg 16.47639378
PmRA 0.1 PmDE -14.1 E RAmdeg 4 E DEmdeg 4
E pmRA 1.6 E pmDE 1.6 EpRAm 1991.36 EpDEm 1991.31
Num 5 Q RAmdeg 1.8 Q DEmdeg 1.0 Q pmRA 1.8
Q pmDE 1.1 BTmag 7.269 E BTmag 0.015 VTmag 7.214
E VTmag 0.010 Prox 12 TYC T HIP 89023
CCDM B RAdeg 272.53613556 DEdeg 16.47635861 EpRA 1990 1.44
EpDE 1990 1.39 E RAdeg 3.7 E DEdeg 3.8 Posflg D
Corr 0.2
CCDM
Ccdm 18101+1629 RComp Comp B Note1 *
Note2 Discov num STF2289 DRAs DDEs
R dRAs Year 1959 Theta 224 Rho 1.2
Obs 99 Vmag 7.5 Sp A0 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 166480 M HD
ADS BDS A11123 M ADS BDS N N IDS IDS 18057N1627B
HIC 89023