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Current system
19420+4015
KUI 94
HD 186307


Nearby doubles
4' : 19422+4014
KOI 638AB

4' : 19416+4015
KOI5127AB

6' : 19418+4011
KOI6498

6' : 19416+4013
KOI3571

9' : 19415+4009
GUR 36

9' : 19413+4011
KOI2041

9' : 19412+4012
KOI6495AB

9' : 19412+4014
GUR 35

10' : 19427+4011
KOI4280

10' : 19412+4011
KOI3579

10' : 19411+4011
KOI4682

11' : 19411+4012
KOI4819AB

16' : 19420+4030
KOI 833

16' : 19415+4030
KOI 828

16' : 19426+4002
BUP 196

17' : 19434+4021
JKA 74

18' : 19431+4026
KOI1593

19' : 19433+4025
DEA 219

19' : 19425+3958
ALI1116

19' : 19434+4023
DEA 378

21' : 19432+4001
KOI6475

21' : 19412+4033
KOI1825AB

21' : 19437+4018
KOI1932AB

23' : 19417+3953
KOI5084

23' : 19427+4036
KOI 182

23' : 19409+3956
KOI2991



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.

19420+4015 KUI 94 (HD 186307)

 
 
19h 41m 57.63s +40° 15' 14.6" P.A. 158.00 sep 0.5 mag 6.50,7.80 Sp A6V dist. 81.57 pc (266.08 l.y.)
 
 
Coord 2000 19420+4015 Discov num KUI  94 Comp Coord arcsec 2000 19 41 57.63 +40 15 14.6
Date first 1937 Date last 2014 Obs 67
Pa first 160 Pa last 157.9 P.A. Now (θ) 153°
Sep first 0.5 Sep last 0.467 Sep. Now (ρ) 0.448"
Mag pri 6.50 Mag sec 7.80 delta mag (ΔM) 1.3 Spectral class A6V (white)
Pri motion ra -010 Sec motion ra
Pri motion dec +030 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 186307 Constellation Cygnus SAO 48737 HIP 96907
Tycho2 3140-02348-1 Gaia DR2 2076394762376371200 HD 186307 HR 7499
GC 27275 BD BD+39 3878 Distance 81.57 Distance ly 266.08
 
 
ORBITAL ELEMENTS
 
 
Period (P)79y Periastron (T)1981y Semi-major axis (a)0.34a
Eccentricity (e)0.38 Inclination (i)106° Longitude of periastron (ω)12°
Node (Ω)338° Notesn ReferenceSod1999
Equinox2000 Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 171.2 0.296
2001 169.8 0.315
2002 168.5 0.334
2003 167.4 0.351
2004 166.3 0.366
2005 165.4 0.381
2006 164.5 0.395
2007 163.6 0.407
2008 162.8 0.418
2009 162.1 0.428
2010 161.4 0.436
2011 160.7 0.444
2012 160.0 0.450
2013 159.4 0.456
2014 158.7 0.460
2015 158.1 0.463
2016 157.5 0.465
2017 156.8 0.465
2018 156.2 0.465
2019 155.6 0.464
2020 155.0 0.461
2021 154.3 0.458
2022 153.7 0.453
2023 153.0 0.448
2024 152.3 0.441
2025 151.6 0.434
2026 150.9 0.425
2027 150.1 0.415
2028 149.4 0.405
2029 148.5 0.393
2030 147.6 0.381


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


 
  


wds19420%2B4015a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19420+4015 KUI 94 (HD 186307) : NOTES
 
 
discov_num notes refcode
KUI 94 Apastron poorly covered. Malkov et al. derive dynamical, photometric,
and spectroscopic masses of 3.42 +/- 1.86, 3.29, and 1.74 Msun,
respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Sod1999 orb - Soderhjelm, S. 1999A&A...341..121S
Sod1999 A&A 341, 121, 1999
 
 
DISCOVERER
 
 
idgroup discov author
1 KUI Kuiper, G.P., Schilt, van den Bos, W., and van Gent
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19420+4015 KUI 94 2006 52 164 0.4 6.50 7.80 A6V NOD 194157.63+401514.6
19420+4015 KUI 94 2007 57 164 0.4 6.50 7.80 A6V NOD 194157.63+401514.6
19420+4015 KUI 94 2014 59 159 0.5 6.50 7.80 A6V NO 194157.63+401514.6

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

 
 
WDS 19420+4015 KUI 94 (HD 186307) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19420+4015 KUI 94 (HD 186307) : MEASURES
 
 
No records found.

 
 
WDS 19420+4015 (HD 186307) : VIRTUAL EYEPIECE
 
 

19420+4015 KUI 94A mag 6.5 Sp A6V 19420+4015 KUI 94B sep 0.5 P.A. 162.80 mag 7.8 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 19420+4015 (HD 186307) : ALADIN DSS IMAGE @ 19h 41m 57.63s +40° 15' 14.6"
 
 
 
 
WDS 19420+4015 KUI 94 (HD 186307) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19420+4015 KUI 94 distance=0' 19422+4014 KOI 638AB distance=4' 19416+4015 KOI5127AB distance=4' 19416+4015 KOI5127AC distance=4' 19416+4015 KOI5127AD distance=4' 19418+4011 KOI6498 distance=6' 19416+4013 KOI3571 distance=6' 19415+4009 GUR 36 distance=9' 19413+4011 KOI2041 distance=9' 19412+4012 KOI6495AB distance=9' 19412+4012 KOI6495AC distance=9' 19412+4014 GUR 35 distance=9' 19427+4011 KOI4280 distance=10' 19412+4011 KOI3579 distance=10' 19411+4011 KOI4682 distance=10' 19411+4012 KOI4819AB distance=11' 19411+4012 KOI4819AC distance=11' 19420+4030 KOI 833 distance=16' 19415+4030 KOI 828 distance=16' 19426+4002 BUP 196 distance=16' 19434+4021 JKA 74 distance=17' 19431+4026 KOI1593 distance=18' 19433+4025 DEA 219 distance=19' 19425+3958 ALI1116 distance=19' 19434+4023 DEA 378 distance=19' 19432+4001 KOI6475 distance=21' 19412+4033 KOI1825AB distance=21' 19437+4018 KOI1932AB distance=21' 19437+4018 KOI1932AC distance=21' 19417+3953 KOI5084 distance=23' 19427+4036 KOI 182 distance=23' 19409+3956 KOI2991 distance=23' 19419+3952 KOI1455 distance=24' 19409+4036 KOI 645AB distance=24' 19435+3958 KOI6461 distance=25' 19435+3957 KOI6462 distance=25' 19430+4037 KOI6581 distance=26' 19434+3956 KOI4851 distance=26' 19439+4004 KOI6476 distance=26' 19429+4038 DEA 268 distance=26' 19404+4034 KOI2556 distance=27' 19441+4005 KOI5107 distance=27' 19425+3949 KOI5085 distance=27' 19396+4010 KOI6491AB distance=28' 19396+4010 KOI6491AC distance=28' 19436+3954 KOI1757 distance=28' 19436+3955 KOI1884AB distance=28' 19436+3955 KOI1884AC distance=28' 19436+3955 KOI1884AD distance=28' 19436+3955 KOI1884AE distance=28' 19425+4042 KOI5177 distance=28' 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 19420+4015 KUI 94 158 0.5
Show 19422+4014 KOI 638 AB 57 8.5 4
Show 19416+4015 KOI5127 AB 201 2.6 4
Show 19416+4015 KOI5127 AC 73 3.7 4
Show 19416+4015 KOI5127 AD 227 3.8 4
Show 19418+4011 KOI6498 208 3.3 6
Show 19416+4013 KOI3571 183 2.2 6
Show 19415+4009 GUR 36 165 0.6 9
Show 19413+4011 KOI2041 115 3.7 9
Show 19412+4012 KOI6495 AB 299 2.9 9
Show 19412+4012 KOI6495 AC 230 3.8 9
Show 19412+4014 GUR 35 171 0.1 9
Show 19427+4011 KOI4280 67 3.8 10
Show 19412+4011 KOI3579 181 1.7 10
Show 19411+4011 KOI4682 188 2.5 10
Show 19411+4012 KOI4819 AB 161 1.8 11
Show 19411+4012 KOI4819 AC 299 2.6 11
Show 19420+4030 KOI 833 5 2.8 16
Show 19415+4030 KOI 828 25 3.3 16
Show 19426+4002 BUP 196 166 106.9 16
Show 19434+4021 JKA 74 254 12.2 17
Show 19431+4026 KOI1593 82 3.2 18
Show 19433+4025 DEA 219 312 9.9 19
Show 19425+3958 ALI1116 199 11.2 19
Show 19434+4023 DEA 378 185 18.1 19
Show 19432+4001 KOI6475 57 1.3 21
Show 19412+4033 KOI1825 AB 295 5.6 21
Show 19437+4018 KOI1932 AB 115 0.5 21
Show 19437+4018 KOI1932 AC 312 4.6 21
Show 19417+3953 KOI5084 117 3.6 23
Show 19427+4036 KOI 182 251 3.5 23
Show 19409+3956 KOI2991 90 4.0 23
Show 19419+3952 KOI1455 244 3.3 24
Show 19409+4036 KOI 645 AB 50 2.9 24
Show 19435+3958 KOI6461 178 3.8 25
Show 19435+3957 KOI6462 217 2.2 25
Show 19430+4037 KOI6581 58 3.5 26
Show 19434+3956 KOI4851 202 3.0 26
Show 19439+4004 KOI6476 264 2.4 26
Show 19429+4038 DEA 268 211 11.1 26
Show 19404+4034 KOI2556 239 3.9 27
Show 19441+4005 KOI5107 206 3.1 27
Show 19425+3949 KOI5085 357 3.5 27
Show 19396+4010 KOI6491 AB 107 2.2 28
Show 19396+4010 KOI6491 AC 21 3.8 28
Show 19436+3954 KOI1757 77 3.0 28
Show 19436+3955 KOI1884 AB 95 0.9 28
Show 19436+3955 KOI1884 AC 82 1.8 28
Show 19436+3955 KOI1884 AD 327 2.6 28
Show 19436+3955 KOI1884 AE 203 3.7 28
Show 19425+4042 KOI5177 210 4.1 28

 
 
WDS 19420+4015 : COMPONENTS
 
 
  A
B pa=162.8°
sep=0.45"
 
 
19420+4015 A
 
 
Componente originario normalizzato AB Name HD 186307 Coord arcsec 2000 194157.63+401514.6 Mag 6.5
Spectral class A6V (white) PmRA -10.00 PmDE 30.0 SAO 48737
HIP 96907 Tycho2 3140-02348-1 HD 186307 HR 7499
GC 27275 BD BD+39 3878
Tycho2
Tycho2 3140-02348-1 Pflag RAmdeg 295.49007426 DEmdeg 40.25413069
PmRA -10.5 PmDE 32.0 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.11 EpDEm 1991.30
Num 20 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.5 BTmag 6.439 E BTmag 0.014 VTmag 6.243
E VTmag 0.009 Prox 999 TYC T HIP 96907
CCDM RAdeg 295.49010722 DEdeg 40.25405667 EpRA 1990 1.52
EpDE 1990 1.68 E RAdeg 3.6 E DEdeg 3.5 Posflg
Corr 0.1
SAO
SAO 48737 DelFlag RA1950 PmRA1950 -0.0025
DE1950 PmDE1950 0.027 Vmag 6.2 SpType A3
Double code Source 70 CatNum 27275 DM BD+39 3878
DMcomp BDsup HD 186307 M HD 0
GC 27275 RA1950rad 5.14980112 DE1950rad 0.70048372 PmRA2000 -0.0022
PmDE2000 0.026
Hipparcos
Catalog H HIP 96907 Proxy RAhms 19 41 57.63
DEdms +40 15 14.6 Vmag 6.22 VarFlag R Vmag H
RAdeg 295.49 DEdeg 40.2541 AstroRef Plx 12
CCDM 19420+4015 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 186307 BD BD+39 3878
CD CP Dm number +39 3878 VIred 0.18
SpType A6V R SpType Coord arcsec 2000 194157.63+401514.6
Hipparcos 2
HIP 96907 Sn 5 So 0 Nc 1
RArad 5.157275282 DErad 0.7025657641 Plx 12.26 PmRA -12.43
PmDE 38.25 E RArad 0.25 E DErad 0.28 E Plx 0.33
E pmRA 0.29 E pmDE 0.35 Hpmag 6.283 E Hpmag 0.0009
SHp 0.008 VA 0 BV 0.182 E BV 0.005
VI 0.2
CCDM
Ccdm 19420+4015 RComp Comp A Note1
Note2 Discov num DRAs -2.45 DDEs 14.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.5 Sp A3 PmNote *
PmRA -24 PmDE 29 Dm number +39 3878 Cat1 BD
Name2 +40 1889 Cat2 AGK2/3 HD 186307 M HD
ADS BDS M ADS BDS N IDS IDS 19385N4001A
HIC 96907
 
 
19420+4015 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 194157.64+401514.2 Mag 7.8 Calc delta mag 1.3
Calc coord yes
CCDM
Ccdm 19420+4015 RComp Comp B Note1 *
Note2 Discov num KUI 94 DRAs DDEs
R dRAs Year 1960 Theta 130 Rho 0.2
Obs 17 Vmag 7.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19385N4001B
HIC 96907