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Doubles in session


Current system
19394+2215
STF 2556
HD 185661


Nearby doubles
36' : 19420+2217
A 167

37' : 19369+2220
NSN 719

37' : 19403+2250
A 2788

39' : 19417+2239
TDT1640

40' : 19379+2248
A 164

41' : 19392+2255
COU 518

44' : 19374+2249
STF2551AB

49' : 19386+2303
A 165AB

53' : 19388+2307
HDS2788

57' : 19404+2309
GRV 267

58' : 19395+2313
POU3988

59' : 19400+2314
POU3996

60' : 19352+2205
TDT1558

63' : 19400+2317
AHD 3

64' : 19394+2319
POU3985

65' : 19438+2238
BU 657

66' : 19410+2317
CVR 217

68' : 19406+2321
POU4006

68' : 19381+2321
POU3969

70' : 19382+2323
POU3970

70' : 19391+2325
POU3982

70' : 19415+2319
A 2789

75' : 19420+2321
TDT1653

77' : 19402+2331
A 166

77' : 19401+2331
POU4004

77' : 19399+2332
POU4000



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.

19394+2215 STF 2556 (HD 185661)

 
 
19h 39m 26.31s +22° 15' 23.4" P.A. 334.00 sep 0.4 mag 7.71,8.92 Sp F4IV dist. 147.28 pc (480.43 l.y.)
 
 
Coord 2000 19394+2215 Discov num STF2556 Comp Coord arcsec 2000 19 39 26.31 +22 15 23.4
Date first 1829 Date last 2018 Obs 203
Pa first 188 Pa last 334.4 P.A. Now (θ) 334.4°
Sep first 0.6 Sep last 0.421 Sep. Now (ρ) 0.421"
Mag pri 7.71 Mag sec 8.92 delta mag (ΔM) 1.21 Spectral class F4IV (yellow-white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec +013 Sec motion dec +013
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 185661 Constellation Vulpecula SAO 87508 HIP 96691
Tycho2 1614-00138-1 HD 185661 GC 27199 ADS 12752
BD BD+21 3862 Distance 147.28 Distance ly 480.43
 
 
ORBITAL ELEMENTS
 
 
Period (P)622.4y Periastron (T)1970.31y Semi-major axis (a)0.678a
Eccentricity (e)0.476 Inclination (i)140.9° Longitude of periastron (ω)356°
Node (Ω)44.5° Notes ReferenceAri1999
Equinox2000 Last observation1997 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 5.3 0.358
2001 3.8 0.358
2002 2.4 0.359
2003 1.0 0.359
2004 359.6 0.359
2005 358.2 0.360
2006 356.8 0.360
2007 355.4 0.361
2008 354.0 0.362
2009 352.6 0.363
2010 351.3 0.363
2011 349.9 0.364
2012 348.5 0.365
2013 347.2 0.366
2014 345.8 0.367
2015 344.5 0.368
2016 343.2 0.370
2017 341.8 0.371
2018 340.5 0.372
2019 339.2 0.374
2020 337.9 0.375
2021 336.6 0.377
2022 335.4 0.379
2023 334.1 0.380
2024 332.9 0.382
2025 331.6 0.384
2026 330.4 0.386
2027 329.2 0.388
2028 328.0 0.390
2029 326.8 0.392
2030 325.6 0.395


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


 
  


wds19394%2B2215a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19394+2215 STF 2556 (HD 185661) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ari1999 S j Aristidi, E., Prieur, J.-L., Scardia, M., Koechlin, L., Avila, R., Carbillet, M., 1999A&AS..134..545A
Ari1999 +orb Lopez, B., Rabbia, Y., et al.
Ari1999 A&AS 134, 545, 1999
 
 
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
19394+2215 STF2556 2007 198 348 0.4 7.71 8.92 F4IV NOD 193926.31+221523.4
19394+2215 STF2556 2008 201 352 0.4 7.71 8.92 F4IV NOD 193926.31+221523.4
19394+2215 STF2556 2012 203 349 0.4 7.71 8.92 F4IV NOD 193926.31+221523.4
19394+2215 STF2556 2018 199 335 0.4 7.71 8.92 F4IV O 193926.31+221523.4

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

 
 
WDS 19394+2215 STF 2556 (HD 185661) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19394+2215 STF 2556 (HD 185661) : MEASURES
 
 
No records found.

 
 
WDS 19394+2215 (HD 185661) : VIRTUAL EYEPIECE
 
 

19394+2215 STF2556A mag 7.71 Sp F4IV 19394+2215 STF2556B sep 0.4 P.A. 336.10 mag 8.92 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 19394+2215 (HD 185661) : ALADIN DSS IMAGE @ 19h 39m 26.31s +22° 15' 23.4"
 
 
 
 
WDS 19394+2215 STF 2556 (HD 185661) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19394+2215 STF2556 distance=1' 19420+2217 A 167 distance=36' 19369+2220 NSN 719 distance=37' 19403+2250 A 2788 distance=37' 19417+2239 TDT1640 distance=39' 19379+2248 A 164 distance=40' 19392+2255 COU 518 distance=41' 19374+2249 STF2551AB distance=44' 19374+2249 STF2551AC distance=44' 19386+2303 A 165AB distance=49' 19386+2303 A 165AC distance=49' 19388+2307 HDS2788 distance=53' 19404+2309 GRV 267 distance=57' 19395+2313 POU3988 distance=58' 19400+2314 POU3996 distance=59' 19352+2205 TDT1558 distance=60' 19400+2317 AHD 3 distance=63' 19394+2319 POU3985 distance=64' 19438+2238 BU 657 distance=65' 19410+2317 CVR 217 distance=66' 19406+2321 POU4006 distance=68' 19381+2321 POU3969 distance=68' 19382+2323 POU3970 distance=70' 19391+2325 POU3982 distance=70' 19415+2319 A 2789 distance=70' 19420+2321 TDT1653 distance=75' 19402+2331 A 166 distance=77' 19401+2331 POU4004 distance=77' 19399+2332 POU4000 distance=77' 19395+2332 POU3990 distance=77' 19410+2329 ARN 48 distance=77' 19423+2322 POU4017 distance=78' 19395+2333 POU3991 distance=78' 19385+2333 POU3971 distance=78' 19386+2334 POU3972 distance=79' 19358+2316 A 163 distance=80' 19414+2330 POU4013 distance=80' 19432+2318 BKO 435EF distance=81' 19432+2318 J 490OL distance=82' 19432+2318 J 490ON distance=82' 19432+2318 POU4026AB distance=82' 19432+2318 POU4027AC distance=82' 19432+2318 POU4028AD distance=82' 19432+2318 BKO 435AE distance=82' 19432+2318 BKO 435AF distance=82' 19432+2318 SS 8AG distance=82' 19432+2318 SS 8AH distance=82' 19432+2318 SS 8AI distance=82' 19432+2318 SS 8AJ distance=82' 19432+2318 SS 8AK distance=82' 19432+2318 SS 8AM distance=82' 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 19394+2215 STF2556 334 0.4 1
Show 19420+2217 A 167 79 3.2 36
Show 19369+2220 NSN 719 41 2.2 37
Show 19403+2250 A 2788 328 1.3 37
Show 19417+2239 TDT1640 95 1.1 39
Show 19379+2248 A 164 253 0.2 40
Show 19392+2255 COU 518 284 0.6 41
Show 19374+2249 STF2551 AB 42 6.8 44
Show 19374+2249 STF2551 AC 319 42.8 44
Show 19386+2303 A 165 AB 123 8.5 49
Show 19386+2303 A 165 AC 341 19.0 49
Show 19388+2307 HDS2788 233 0.3 53
Show 19404+2309 GRV 267 341 36.0 57
Show 19395+2313 POU3988 212 6.7 58
Show 19400+2314 POU3996 81 9.3 59
Show 19352+2205 TDT1558 2 1.9 60
Show 19400+2317 AHD 3 295 21.4 63
Show 19394+2319 POU3985 37 14.4 64
Show 19438+2238 BU 657 133 0.9 65
Show 19410+2317 CVR 217 48 19.3 66
Show 19406+2321 POU4006 203 13.6 68
Show 19381+2321 POU3969 305 12.3 68
Show 19382+2323 POU3970 220 5.1 70
Show 19391+2325 POU3982 300 11.7 70
Show 19415+2319 A 2789 278 0.7 70
Show 19420+2321 TDT1653 303 2.3 75
Show 19402+2331 A 166 241 0.9 77
Show 19401+2331 POU4004 305 10.1 77
Show 19399+2332 POU4000 274 14.0 77
Show 19395+2332 POU3990 9 15.4 77
Show 19410+2329 ARN 48 5 25.8 77
Show 19423+2322 POU4017 189 11.8 78
Show 19395+2333 POU3991 190 11.0 78
Show 19385+2333 POU3971 244 13.0 78
Show 19386+2334 POU3972 152 12.9 79
Show 19358+2316 A 163 20 0.2 80
Show 19414+2330 POU4013 61 4.8 80
Show 19432+2318 BKO 435 EF 355 2.5 81
Show 19432+2318 J 490 OL 121 5.7 82
Show 19432+2318 J 490 ON 46 6.0 82
Show 19432+2318 POU4026 AB 301 9.0 82
Show 19432+2318 POU4027 AC 307 17.6 82
Show 19432+2318 POU4028 AD 340 17.5 82
Show 19432+2318 BKO 435 AE 244 7.3 82
Show 19432+2318 BKO 435 AF 265 6.8 82
Show 19432+2318 SS 8 AG 320 21.4 82
Show 19432+2318 SS 8 AH 292 22.8 82
Show 19432+2318 SS 8 AI 333 25.4 82
Show 19432+2318 SS 8 AJ 278 26.7 82
Show 19432+2318 SS 8 AK 320 30.8 82
Show 19432+2318 SS 8 AM 332 33.5 82

 
 
WDS 19394+2215 : COMPONENTS
 
 
  A
B pa=336.1°
sep=0.42"
 
 
19394+2215 A
 
 
Componente originario normalizzato AB Name HD 185661 Coord arcsec 2000 193926.31+221523.4 Mag 7.71
Spectral class F4IV (yellow-white) PmRA 3.00 PmDE 13.0 SAO 87508
HIP 96691 Tycho2 1614-00138-1 HD 185661 GC 27199
BD BD+21 3862
Tycho2
Tycho2 1614-00138-1 Pflag RAmdeg 294.85963439 DEmdeg 22.25651949
PmRA 2.8 PmDE 12.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.23 EpDEm 1991.12
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.9
Q pmDE 0.9 BTmag 7.885 E BTmag 0.015 VTmag 7.434
E VTmag 0.011 Prox 999 TYC T HIP 96691
CCDM AB RAdeg 294.85962722 DEdeg 22.25649028 EpRA 1990 1.67
EpDE 1990 1.63 E RAdeg 4.5 E DEdeg 5.0 Posflg P
Corr 0.0
SAO
SAO 87508 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 0.022 Vmag 7.2 SpType F2
Double code Source 70 CatNum 27199 DM BD+21 3862
DMcomp BDsup HD 185661 M HD 0
GC 27199 RA1950rad 5.1368894 DE1950rad 0.38642524 PmRA2000 0.0001
PmDE2000 0.02
Hipparcos
Catalog H HIP 96691 Proxy H RAhms 19 39 26.31
DEdms +22 15 23.2 Vmag 7.39 VarFlag R Vmag G
RAdeg 294.86 DEdeg 22.2565 AstroRef A Plx 6.64
CCDM 19394+2215 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 17 Rho 0.354 HD 185661 BD BD+21 3862
CD CP Dm number +21 3862 VIred 0.49
SpType F6IV R SpType Coord arcsec 2000 193926.31+221523.2
Hipparcos 2
HIP 96691 Sn 15 So 3 Nc 2
RArad 5.1462711086 DErad 0.3884483643 Plx 6.79 PmRA 4.34
PmDE 16.7 E RArad 0.58 E DErad 0.67 E Plx 0.84
E pmRA 0.78 E pmDE 0.83 Hpmag 7.473 E Hpmag 0.001
SHp 0.01 VA 0 BV 0.42 E BV 0.015
VI 0.49
CCDM
Ccdm 19394+2215 RComp Comp A Note1
Note2 Discov num DRAs 2.40 DDEs 23.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.7 Sp F2 PmNote *
PmRA 17 PmDE 19 Dm number +21 3862 Cat1 BD
Name2 +22 2001 Cat2 AGK2/3 HD 185661 M HD
ADS BDS A12752 M ADS BDS N IDS IDS 19351N2202A
HIC 96691
 
 
19394+2215 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 193926.30+221523.8 Mag 8.92 PmRA 3.00
PmDE 13.0 Calc delta mag 1.21 Calc coord yes
CCDM
Ccdm 19394+2215 RComp Comp B Note1 *
Note2 Discov num STF2556 DRAs DDEs
R dRAs Year 1829 Theta Rho
Obs 99 Vmag 8.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A12752 M ADS BDS N IDS IDS 19351N2202B
HIC 96691