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Doubles in session


Current system
18044+0337
A 2257
HD 165110


Nearby doubles
8' : 18044+0329
STF2266AB

10' : 18048+0332
J 460

23' : 18057+0326
BAL2472

27' : 18049+0311
BAL2471

30' : 18026+0325
HDS2539

31' : 18055+0311
HEI 257

33' : 18065+0331
SLE 84

36' : 18026+0400
SLE 83

39' : 18017+0335
SLE 86

40' : 18046+0258
BAL1949

43' : 18015+0331
BU 1202AB

45' : 18014+0346
BAL2466

46' : 18015+0324
BAL2467

49' : 18022+0302
A 2190

50' : 18012+0324
BAL2465

53' : 18014+0406
BAL2910

53' : 18076+0314
SLE 85

54' : 18077+0317
AG 216

54' : 18080+0337
ARY 2AB

56' : 18081+0343
BAL2474

59' : 18026+0429
LDS5859

61' : 18052+0238
BAL1950

62' : 18084+0325
BAL2475

64' : 18060+0434
STTA165AB

66' : 18056+0439
SKF2127

68' : 18034+0231
A 2191



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.

18044+0337 A 2257 (HD 165110)

 
 
18h 04m 22.03s +03° 36' 50.0" P.A. 36.00 sep 0.2 mag 9.80,10.00 Sp F5
 
 
Coord 2000 18044+0337 Discov num A  2257 Comp Coord arcsec 2000 18 04 22.03 +03 36 50.0
Date first 1910 Date last 2018 Obs 13
Pa first 163 Pa last 36.4 P.A. Now (θ) 36.4°
Sep first 0.2 Sep last 0.168 Sep. Now (ρ) 0.168"
Mag pri 9.80 Mag sec 10.00 delta mag (ΔM) 0.2 Spectral class F5 (yellow-white)
Pri motion ra +004 Sec motion ra
Pri motion dec +013 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 165110 Constellation Ophiuchus SAO 123087 Tycho2 0434-00384-1
Gaia DR2 4469450415421218816 HD 165110 ADS 11033
 
 
ORBITAL ELEMENTS
 
 
Period (P)333y± 20 Periastron (T)1988.73y± 0.06 Semi-major axis (a)0.324a± 0.015
Eccentricity (e)0.829± 0.006 Inclination (i)73.5°± 1 Longitude of periastron (ω)274.3°± 2
Node (Ω)13.6°± 1 Notesn ReferenceDoc2008a
Equinox2000 Last observation2005 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 20.8 0.129
2001 21.8 0.134
2002 22.8 0.138
2003 23.7 0.142
2004 24.6 0.146
2005 25.4 0.149
2006 26.2 0.152
2007 27.0 0.154
2008 27.7 0.157
2009 28.4 0.159
2010 29.1 0.161
2011 29.8 0.163
2012 30.5 0.165
2013 31.1 0.166
2014 31.8 0.168
2015 32.4 0.169
2016 33.0 0.171
2017 33.7 0.172
2018 34.3 0.173
2019 34.9 0.174
2020 35.5 0.175
2021 36.0 0.175
2022 36.6 0.176
2023 37.2 0.177
2024 37.8 0.177
2025 38.3 0.178
2026 38.9 0.179
2027 39.5 0.179
2028 40.0 0.179
2029 40.6 0.180
2030 41.2 0.180


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


 
  


wds18044%2B0337b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18044+0337 A 2257 (HD 165110) : NOTES
 
 
discov_num notes refcode
A 2257 Systemic mass is estimated at 2.9 +/- 0.6 Msun, assuming a dynamical
parallax of 4.73 +/- 0.20 mas. Doc2008a
 
 
REFERENCES
 
 
refcode metd author reference
Doc2008a S j Docobo, J.A., Tamazian, V.S., Andrade, M., Ling, J.F., Balega, Y.Y., 2008AJ....135.1803D
Doc2008a +orb Lahulla, J.F., & Maximov, A.
Doc2008a AJ 135, 1803, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18044+0337 A 2257 2005 10 28 0.1 9.80 10.00 F5 NOD 180422.03+033650.0
18044+0337 A 2257 2009 11 30 0.2 9.80 10.00 F5 NOD 180422.03+033650.0
18044+0337 A 2257 2018 12 36 0.2 9.80 10.00 F5 NO 180422.03+033650.0

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

 
 
WDS 18044+0337 A 2257 (HD 165110) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18044+0337 A 2257 (HD 165110) : MEASURES
 
 
No records found.

 
 
WDS 18044+0337 (HD 165110) : VIRTUAL EYEPIECE
 
 

18044+0337 A 2257A mag 9.8 Sp F5 18044+0337 A 2257B sep 0.2 P.A. 36.30 mag 10 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 18044+0337 (HD 165110) : ALADIN DSS IMAGE @ 18h 04m 22.03s +03° 36' 50.0"
 
 
 
 
WDS 18044+0337 A 2257 (HD 165110) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18044+0337 A 2257 distance=0' 18044+0329 STF2266AB distance=8' 18044+0329 STF2266AC distance=8' 18048+0332 J 460 distance=10' 18057+0326 BAL2472 distance=23' 18049+0311 BAL2471 distance=27' 18026+0325 HDS2539 distance=30' 18055+0311 HEI 257 distance=31' 18065+0331 SLE 84 distance=33' 18026+0400 SLE 83 distance=36' 18017+0335 SLE 86 distance=39' 18046+0258 BAL1949 distance=40' 18015+0331 BU 1202CD distance=42' 18015+0331 BU 1202CF distance=42' 18015+0331 BU 1202AB distance=43' 18015+0331 BU 1202AB,C distance=43' 18015+0331 BU 1202AB,E distance=43' 18014+0346 BAL2466 distance=45' 18015+0324 BAL2467 distance=46' 18022+0302 A 2190 distance=49' 18012+0324 BAL2465 distance=50' 18014+0406 BAL2910 distance=53' 18076+0314 SLE 85 distance=53' 18077+0317 AG 216 distance=54' 18080+0337 ARY 2AB distance=54' 18080+0337 ARY 2AC distance=54' 18081+0343 BAL2474 distance=56' 18026+0429 LDS5859 distance=59' 18052+0238 BAL1950 distance=61' 18084+0325 BAL2475 distance=62' 18060+0434 STTA165AB distance=64' 18060+0434 GUI 20AC distance=64' 18056+0439 SKF2127 distance=66' 18034+0231 A 2191 distance=68' 18055+0230 STF2272VT distance=69' 18055+0230 STF2272VW distance=69' 18055+0230 STF2272VX distance=69' 18055+0230 STF2272AB distance=69' 18055+0230 STF2272AS distance=69' 18055+0230 STF2272AU distance=69' 18055+0230 STF2272AV distance=69' 18055+0230 STF2272AY distance=69' 18055+0230 STF2272AC distance=69' 18055+0230 STF2272AD distance=69' 18055+0230 STF2272AR distance=69' 18055+0230 STF2272AZ distance=69' 18055+0230 STF2272AT distance=69' 18055+0230 TNN 9AE distance=69' 18055+0230 TNN 9AF distance=69' 18055+0230 STF2272BC distance=69' 18055+0230 STF2272BD distance=69' 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 18044+0337 A 2257 36 0.2
Show 18044+0329 STF2266 AB 187 8.7 8
Show 18044+0329 STF2266 AC 202 50.8 8
Show 18048+0332 J 460 86 2.3 10
Show 18057+0326 BAL2472 85 3.6 23
Show 18049+0311 BAL2471 225 3.5 27
Show 18026+0325 HDS2539 129 0.3 30
Show 18055+0311 HEI 257 331 1.7 31
Show 18065+0331 SLE 84 179 20.3 33
Show 18026+0400 SLE 83 91 7.2 36
Show 18017+0335 SLE 86 281 7.3 39
Show 18046+0258 BAL1949 182 13.7 40
Show 18015+0331 BU 1202 CD 110 2.8 42
Show 18015+0331 BU 1202 CF 163 17.4 42
Show 18015+0331 BU 1202 AB 344 0.7 43
Show 18015+0331 BU 1202 AB,C 28 105.5 43
Show 18015+0331 BU 1202 AB,E 138 90.4 43
Show 18014+0346 BAL2466 261 14.4 45
Show 18015+0324 BAL2467 95 8.7 46
Show 18022+0302 A 2190 75 3.6 49
Show 18012+0324 BAL2465 289 19.3 50
Show 18014+0406 BAL2910 112 4.0 53
Show 18076+0314 SLE 85 181 11.3 53
Show 18077+0317 AG 216 91 2.4 54
Show 18080+0337 ARY 2 AB 359 92.3 54
Show 18080+0337 ARY 2 AC 54 116.2 54
Show 18081+0343 BAL2474 280 15.8 56
Show 18026+0429 LDS5859 295 6.1 59
Show 18052+0238 BAL1950 335 7.4 61
Show 18084+0325 BAL2475 88 5.5 62
Show 18060+0434 STTA165 AB 141 66.8 64
Show 18060+0434 GUI 20 AC 245 1.0 64
Show 18056+0439 SKF2127 7 15.1 66
Show 18034+0231 A 2191 201 3.2 68
Show 18055+0230 STF2272 VT 72 247.5 69
Show 18055+0230 STF2272 VW 270 180.6 69
Show 18055+0230 STF2272 VX 253 17.5 69
Show 18055+0230 STF2272 AB 121 6.9 69
Show 18055+0230 STF2272 AS 10 202.6 69
Show 18055+0230 STF2272 AU 337 255.5 69
Show 18055+0230 STF2272 AV 276 144.5 69
Show 18055+0230 STF2272 AY 357 250.5 69
Show 18055+0230 STF2272 AC 326 93.1 69
Show 18055+0230 STF2272 AD 315 129.3 69
Show 18055+0230 STF2272 AR 26 164.8 69
Show 18055+0230 STF2272 AZ 163 68.3 69
Show 18055+0230 STF2272 AT 45 128.4 69
Show 18055+0230 TNN 9 AE 231 9.4 69
Show 18055+0230 TNN 9 AF 196 11.5 69
Show 18055+0230 STF2272 BC 322 81.2 69
Show 18055+0230 STF2272 BD 311 120.0 69

 
 
WDS 18044+0337 : COMPONENTS
 
 
  A
B pa=36.3°
sep=0.17"
 
 
18044+0337 A
 
 
Componente originario normalizzato AB Name HD 165110 Coord arcsec 2000 180422.03+033650.0 Mag 9.8
Spectral class F5 (yellow-white) PmRA 4.00 PmDE 13.0 SAO 123087
Tycho2 0434-00384-1 HD 165110 DM BD+03 3577
Tycho2
Tycho2 0434-00384-1 Pflag RAmdeg 271.09182593 DEmdeg 3.61389180
PmRA 3.4 PmDE 3.8 E RAmdeg 11 E DEmdeg 13
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.89 EpDEm 1989.29
Num 9 Q RAmdeg 0.7 Q DEmdeg 1.5 Q pmRA 0.7
Q pmDE 1.6 BTmag 9.673 E BTmag 0.025 VTmag 9.280
E VTmag 0.022 Prox 999 TYC T HIP
CCDM RAdeg 271.09181722 DEdeg 3.61388167 EpRA 1990 1.82
EpDE 1990 1.73 E RAdeg 11.9 E DEdeg 14.4 Posflg
Corr -0.1
SAO
SAO 123087 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 0 Vmag 9 SpType F5
Double code Source 30 CatNum 6064 DM BD+03 3577
DMcomp BDsup HD 165110 M HD 0
GC RA1950rad 4.72056839 DE1950rad 0.06300533 PmRA2000 0.0001
PmDE2000 0
CCDM
Ccdm 18044+0337 RComp Comp A Note1
Note2 Discov num DRAs -1.96 DDEs -10.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp F5 PmNote *
PmRA 4 PmDE 3 Dm number +03 3577 Cat1 BD
Name2 +03 2185 Cat2 AGK2/3 HD 165110 M HD
ADS BDS A11033 M ADS BDS N IDS IDS 17594N0337A
HIC
 
 
18044+0337 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 180422.04+033650.1 Mag 10 Calc delta mag 0.2
Calc coord yes
CCDM
Ccdm 18044+0337 RComp Comp B Note1
Note2 Discov num A 2257 DRAs DDEs
R dRAs Year 1956 Theta 174 Rho 0.1
Obs 5 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11033 M ADS BDS N IDS IDS 17594N0337B
HIC