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Current system
19350+2328
A 162
HD 184739


Nearby doubles
6' : 19349+2333
POU3932

8' : 19345+2330
POU3924

9' : 19348+2337
POU3929

10' : 19350+2338
POU3937

12' : 19358+2334
A 2787

14' : 19350+2315
POU3934

14' : 19341+2333
POU3920

16' : 19358+2316
A 163

20' : 19350+2348
POU3936

21' : 19335+2323
POU3910

22' : 19365+2328
POU3956

22' : 19335+2329
BKO 416

22' : 19335+2322
BKO 417

22' : 19335+2324
POU3909

22' : 19334+2325
POU3908

23' : 19357+2349
POU3950

23' : 19334+2327
BKO 415

25' : 19344+2352
POU3923

26' : 19332+2335
POU3903

26' : 19338+2347
POU3915

26' : 19334+2341
POU3906

26' : 19332+2333
POU3902

26' : 19331+2331
POU3901

27' : 19333+2339
POU3904

27' : 19367+2342
POU3958

27' : 19331+2335
BKO 414



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.

19350+2328 A 162 (HD 184739)

 
 
19h 35m 01.71s +23° 28' 27.3" P.A. 306.00 sep 0.1 mag 8.73,8.77 Sp A0 dist. 155.76 pc (508.09 l.y.)
 
 
Coord 2000 19350+2328 Discov num A   162 Comp Coord arcsec 2000 19 35 01.71 +23 28 27.3
Date first 1900 Date last 2019 Obs 74
Pa first 145 Pa last 305.7 P.A. Now (θ) 305.7°
Sep first 0.2 Sep last 0.125 Sep. Now (ρ) 0.125"
Mag pri 8.73 Mag sec 8.77 delta mag (ΔM) 0.04 Spectral class A0 (white)
Pri motion ra +009 Sec motion ra
Pri motion dec +006 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 184739 Constellation Vulpecula SAO 87387 HIP 96317
Tycho2 2138-01993-1 Gaia DR2 2020996109575128704 HD 184739 ADS 12631
BD BD+23 3699 Distance 155.76 Distance ly 508.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)279y± 91 Periastron (T)2015y± 14 Semi-major axis (a)0.294a± 0.067
Eccentricity (e)0.33± 0.11 Inclination (i)62.8°± 3.2 Longitude of periastron (ω)234°± 31
Node (Ω)77.9°± 4.5 Notesn ReferenceMdz2017
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 264.8 0.203
2001 266.0 0.200
2002 267.2 0.196
2003 268.5 0.193
2004 269.8 0.189
2005 271.2 0.185
2006 272.6 0.180
2007 274.2 0.176
2008 275.8 0.171
2009 277.4 0.167
2010 279.2 0.162
2011 281.1 0.157
2012 283.1 0.152
2013 285.3 0.147
2014 287.6 0.142
2015 290.1 0.137
2016 292.7 0.132
2017 295.6 0.127
2018 298.7 0.122
2019 302.1 0.117
2020 305.7 0.113
2021 309.6 0.109
2022 313.8 0.105
2023 318.3 0.102
2024 323.1 0.099
2025 328.1 0.097
2026 333.3 0.095
2027 338.6 0.094
2028 344.1 0.094
2029 349.5 0.095
2030 354.8 0.096


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


 
  


wds19350%2B2328e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19350+2328 A 162 (HD 184739) : NOTES
 
 
discov_num notes refcode
A 162 Only elements P, T, and a have been amended by Starikova (1982) from Sta1982b
the orbit of Erceg (1975). Erc1975
Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.63 +/- 2.16, 3.21, and 2.24 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Erc1975 orb - Erceg, V. 1975BOBeo.126...50E
Erc1975 Bull. Obs. Astron. Belgrade #126, 50, 1975
Mdz2017 orb - Mendez, R.A., Claveria, R.M., Orchard, M.E., & Silva, J.F. 2017AJ....154..187M
Mdz2017 AJ 154, 187, 2017
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sta1982b orb - Starikova, G.A. 1982SvAL....8..166S
Sta1982b SvAL 8, 166, 1982 (Pisma Astron. Zhur. 8, 306, 1982)
 
 
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
19350+2328 A 162 2003 67 283 0.2 8.73 8.77 A0 NO 193501.71+232827.3
19350+2328 A 162 2006 68 271 0.2 8.73 8.77 A0 NO 193501.71+232827.3
19350+2328 A 162 2007 69 101 0.2 8.73 8.77 A0 NO 193501.71+232827.3
19350+2328 A 162 2015 70 295 0.1 8.73 8.77 A0 NO 193501.71+232827.3
19350+2328 A 162 2018 71 304 0.1 8.73 8.77 A0 NO 193501.71+232827.3
19350+2328 A 162 2019 72 306 0.1 8.73 8.77 A0 NO 193501.71+232827.3

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

 
 
WDS 19350+2328 A 162 (HD 184739) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19350+2328 A 162 (HD 184739) : MEASURES
 
 
No records found.

 
 
WDS 19350+2328 (HD 184739) : VIRTUAL EYEPIECE
 
 

19350+2328 A 162A mag 8.73 Sp A0 19350+2328 A 162B sep 0.1 P.A. 308.10 mag 8.77 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 19350+2328 (HD 184739) : ALADIN DSS IMAGE @ 19h 35m 01.71s +23° 28' 27.3"
 
 
 
 
WDS 19350+2328 A 162 (HD 184739) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19350+2328 A 162 distance=0' 19349+2333 POU3932 distance=6' 19345+2330 POU3924 distance=8' 19348+2337 POU3929 distance=9' 19350+2338 POU3937 distance=10' 19358+2334 A 2787 distance=12' 19350+2315 POU3934 distance=14' 19341+2333 POU3920 distance=14' 19358+2316 A 163 distance=16' 19350+2348 POU3936 distance=20' 19335+2323 POU3910 distance=21' 19365+2328 POU3956 distance=22' 19335+2329 BKO 416 distance=22' 19335+2322 BKO 417 distance=22' 19335+2324 POU3909 distance=22' 19334+2325 POU3908 distance=22' 19357+2349 POU3950 distance=23' 19334+2327 BKO 415 distance=23' 19344+2352 POU3923 distance=25' 19332+2335 POU3903 distance=26' 19338+2347 POU3915 distance=26' 19334+2341 POU3906 distance=26' 19332+2333 POU3902 distance=26' 19331+2331 POU3901 distance=26' 19333+2339 POU3904 distance=27' 19367+2342 POU3958 distance=27' 19331+2335 BKO 414 distance=27' 19331+2336 POU3900 distance=28' 19351+2358 POU3938 distance=30' 19330+2341 POU3898 distance=31' 19356+2358 POU3948AB distance=32' 19356+2358 POU3949AC distance=32' 19328+2337 POU3896 distance=32' 19348+2400 POU3930 distance=32' 19336+2355 POU3912 distance=33' 19326+2324 POU3893AB distance=33' 19326+2324 POU3894AC distance=33' 19327+2326 BKO 413 distance=33' 19369+2349 POU3961 distance=33' 19364+2357 POU3954 distance=35' 19350+2403 POU3935 distance=35' 19353+2404 POU3941 distance=36' 19350+2405 BKO 422AB distance=37' 19350+2405 BKO 422AC distance=37' 19350+2405 BKO 422AD distance=37' 19372+2347 POU3964 distance=37' 19354+2405 POU3942 distance=38' 19323+2323 POU3890 distance=38' 19365+2400 COU1033 distance=38' 19326+2348 POU3892 distance=39' 19341+2404 BKO 420 distance=39' 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 19350+2328 A 162 306 0.1
Show 19349+2333 POU3932 301 14.0 6
Show 19345+2330 POU3924 292 9.4 8
Show 19348+2337 POU3929 347 2.3 9
Show 19350+2338 POU3937 209 3.4 10
Show 19358+2334 A 2787 111 3.9 12
Show 19350+2315 POU3934 59 17.1 14
Show 19341+2333 POU3920 9 6.9 14
Show 19358+2316 A 163 20 0.2 16
Show 19350+2348 POU3936 141 14.6 20
Show 19335+2323 POU3910 137 10.0 21
Show 19365+2328 POU3956 243 7.9 22
Show 19335+2329 BKO 416 155 2.2 22
Show 19335+2322 BKO 417 334 5.7 22
Show 19335+2324 POU3909 127 14.0 22
Show 19334+2325 POU3908 213 11.8 22
Show 19357+2349 POU3950 246 17.0 23
Show 19334+2327 BKO 415 263 5.1 23
Show 19344+2352 POU3923 242 7.6 25
Show 19332+2335 POU3903 39 8.6 26
Show 19338+2347 POU3915 122 13.3 26
Show 19334+2341 POU3906 41 18.3 26
Show 19332+2333 POU3902 323 4.4 26
Show 19331+2331 POU3901 185 17.8 26
Show 19333+2339 POU3904 28 18.9 27
Show 19367+2342 POU3958 144 8.0 27
Show 19331+2335 BKO 414 171 3.6 27
Show 19331+2336 POU3900 335 12.2 28
Show 19351+2358 POU3938 116 6.6 30
Show 19330+2341 POU3898 288 8.5 31
Show 19356+2358 POU3948 AB 39 15.0 32
Show 19356+2358 POU3949 AC 11 24.2 32
Show 19328+2337 POU3896 243 11.8 32
Show 19348+2400 POU3930 356 11.5 32
Show 19336+2355 POU3912 78 12.6 33
Show 19326+2324 POU3893 AB 8 6.9 33
Show 19326+2324 POU3894 AC 326 18.3 33
Show 19327+2326 BKO 413 97 4.3 33
Show 19369+2349 POU3961 317 12.0 33
Show 19364+2357 POU3954 97 6.7 35
Show 19350+2403 POU3935 67 16.6 35
Show 19353+2404 POU3941 215 5.1 36
Show 19350+2405 BKO 422 AB 29 5.4 37
Show 19350+2405 BKO 422 AC 73 7.0 37
Show 19350+2405 BKO 422 AD 158 9.3 37
Show 19372+2347 POU3964 174 10.0 37
Show 19354+2405 POU3942 245 14.4 38
Show 19323+2323 POU3890 12 15.5 38
Show 19365+2400 COU1033 171 0.1 38
Show 19326+2348 POU3892 104 6.6 39
Show 19341+2404 BKO 420 279 5.7 39

 
 
WDS 19350+2328 : COMPONENTS
 
 
  A
B pa=308.1°
sep=0.12"
 
 
19350+2328 A
 
 
Componente originario normalizzato AB Name HD 184739 Coord arcsec 2000 193501.71+232827.3 Mag 8.73
Spectral class A0 (white) PmRA 9.00 PmDE 6.0 SAO 87387
HIP 96317 Tycho2 2138-01993-1 HD 184739 ADS 12631
BD BD+23 3699
Tycho2
Tycho2 2138-01993-1 Pflag RAmdeg 293.75713043 DEmdeg 23.47425128
PmRA 7.3 PmDE -3.0 E RAmdeg 6 E DEmdeg 5
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.13 EpDEm 1991.23
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 8.205 E BTmag 0.016 VTmag 7.971
E VTmag 0.012 Prox 690 TYC T HIP 96317
CCDM AB RAdeg 293.75711194 DEdeg 23.47425806 EpRA 1990 1.59
EpDE 1990 1.59 E RAdeg 5.5 E DEdeg 5.3 Posflg P
Corr 0.0
SAO
SAO 87387 DelFlag RA1950 PmRA1950 0.0004
DE1950 PmDE1950 -0.014 Vmag 8.1 SpType A0
Double code Source 35 CatNum 7019 DM BD+23 3699
DMcomp BDsup HD 184739 M HD 0
GC RA1950rad 5.11777186 DE1950rad 0.40776494 PmRA2000 0.0005
PmDE2000 -0.016
Hipparcos
Catalog H HIP 96317 Proxy H RAhms 19 35 01.71
DEdms +23 28 27.3 Vmag 7.93 VarFlag R Vmag H
RAdeg 293.757 DEdeg 23.4743 AstroRef * Plx 5.03
CCDM 19350+2328 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 260 Rho 0.234 HD 184739 BD BD+23 3699
CD CP Dm number +23 3699 VIred 0.2
SpType A0 R SpType Coord arcsec 2000 193501.71+232827.3
Hipparcos 2
HIP 96317 Sn 55 So 3 Nc 2
RArad 5.1270288157 DErad 0.4097031437 Plx 6.42 PmRA 11.67
PmDE -2.59 E RArad 0.79 E DErad 0.92 E Plx 1.33
E pmRA 1.06 E pmDE 1.39 Hpmag 7.9939 E Hpmag 0.0013
SHp 0.016 VA 0 BV 0.205 E BV 0.014
VI 0.23
CCDM
Ccdm 19350+2328 RComp Comp A Note1
Note2 Discov num DRAs 1.66 DDEs 28.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp A0 PmNote *
PmRA 1 PmDE 22 Dm number +23 3699 Cat1 BD
Name2 +23 1922 Cat2 AGK2/3 HD 184739 M HD
ADS BDS A12631 M ADS BDS N IDS IDS 19308N2315A
HIC 96317
 
 
19350+2328 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 193501.70+232827.4 Mag 8.77 Calc delta mag 0.04
Calc coord yes
CCDM
Ccdm 19350+2328 RComp Comp B Note1 *
Note2 Discov num A 162 DRAs DDEs
R dRAs Year 1960 Theta 246 Rho 0.2
Obs 20 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12631 M ADS BDS N IDS IDS 19308N2315B
HIC 96317