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Doubles in session


Current system
21000+4004
KUI 103 AB
V1396 Cyg


Nearby doubles
12' : 21010+3959
A 1438

12' : 20599+4016
ENG 79AB

12' : 20596+3953
SEI1358

17' : 20588+3957
TDT2670

19' : 20591+3950
BKO 479

21' : 21012+3949
SEI1369

22' : 20592+3946
BKO 481

23' : 21014+3948
SEI1370

23' : 21002+4027
TDT2688

23' : 20590+3945
SEI1349

24' : 20591+3944
BKO 480

25' : 20592+3941
SEI1351AB

26' : 21008+3940
SEI1364

29' : 20587+3942
BKO 477

35' : 20591+3932
TOB 205

36' : 21031+3959
LDS2483AB

36' : 20589+3931
SEI1348

37' : 21014+4037
HDS2995

38' : 21029+3946
SEI1379

40' : 20593+3925
SEI1353

41' : 20577+3943
COU2429

41' : 21032+4024
ES 1986

41' : 20593+3924
TOB 207

42' : 20595+3923
SEI1357

43' : 21023+3931
H 4 113AB

45' : 20587+3922
BKO 478



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.

21000+4004 KUI 103 AB (V1396 Cyg)

 
 
21h 00m 05.49s +40° 04' 12.3" P.A. 58.00 sep 0.9 mag 10.49,12.40 Sp M2V+M0.5V dist. 15.29 pc (49.88 l.y.)
 
 
Coord 2000 21000+4004 Discov num KUI 103 Comp AB Coord arcsec 2000 21 00 05.49 +40 04 12.3
Date first 1934 Date last 2016 Obs 69
Pa first 83 Pa last 58.2 P.A. Now (θ) 58.2°
Sep first 0.9 Sep last 0.885 Sep. Now (ρ) 0.885"
Mag pri 10.49 Mag sec 12.40 delta mag (ΔM) 1.91 Spectral class M2V+M0.5V (red/red)
Pri motion ra +601 Sec motion ra
Pri motion dec -253 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
21000+4004 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show V1396 Cyg 21 00 05 +40 04 12 KUI 103 AB 2016 69 58 0.9 10.49 12.40 1.91 Y <===
Show 21 00 05 +40 04 12 RAO 689 AC 2012 1 300 2.4 8.70 13.30 4.60
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name V1396 Cyg Constellation Cygnus HIP 103655 Tycho2 3172-01090-1
GL Gl 815A Distance 15.29 Distance ly 49.88
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier21000+4004 KUI 103
coord_arcsec_2000210005.49+400412.3
Period (P)28.9y Periastron (T)2007.26y Semi-major axis (a)0.709a
Eccentricity (e)0.656 Inclination (i)36.3° Longitude of periastron (ω)116°
Node (Ω)143.5° Notesn ReferenceDoc2016b
Equinox2000 Last observation2012 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 113.4 0.898
2001 118.3 0.848
2002 124.1 0.785
2003 130.9 0.705
2004 139.8 0.606
2005 152.7 0.480
2006 176.8 0.326
2007 240.5 0.202
2008 314.1 0.286
2009 347.0 0.398
2010 6.5 0.487
2011 20.4 0.562
2012 31.1 0.629
2013 39.9 0.690
2014 47.3 0.745
2015 53.7 0.795
2016 59.4 0.839
2017 64.6 0.879
2018 69.3 0.913
2019 73.7 0.942
2020 77.9 0.966
2021 81.9 0.984
2022 85.8 0.997
2023 89.6 1.004
2024 93.4 1.004
2025 97.2 0.998
2026 101.0 0.985
2027 105.0 0.963
2028 109.3 0.933
2029 113.8 0.893
2030 118.9 0.842


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


 
  


wds21000%2B4004a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21000+4004 KUI 103 AB (V1396 Cyg) : NOTES
 
 
discov_num notes refcode
KUI 103 V1396 Cyg.
Astrometric orbit by Lippincott (1975), with only the semi-major axis Lip1975
derived from visual separations. The longitude of periastron has been
reversed to correspond to the visual position angles. Lip1975
An observation by Tokovinin (1982) - 1981.370, 48.1 degrees, 0".377 - Tok1982a
was reduced improperly, so has been removed. Tok1982b
Visual primary is a BY Dra-type variable, and 3.3d SB2 (#1280 in
Batten et al., 1989). Bte1989
Pourbaix gives combined solution for this resolved SB2, yielding Pbx2000b
orbital parallaxes and component masses.
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
GJ 815. In addition to the component that we resolve with AstraLux,
which was previously known and has been studied over a long timescale
(e.g. Lippincott 1975), the primary component of the resolved pair is Lip1975
a 3.3 day spectroscopic binary (Pourbaix 2000). Estimated age 30-300
Myr; masses 0.58 +/- 0.05 and 0.26 +/- 0.09 Msun; a ~10.5 au. Jnn2014
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Bte1989 - Batten, A.H. & Fletcher, J.M. 1989PDAO...17....1B
Bte1989 Eighth Catalogue of the Orbital Elements of Spectroscopic Binary Systems; 89
Bte1989 Pub. DAO 17, 1, 19
Jnn2014 A - Janson, M., Bergfors, C., Brandner, W., Kudryavtseva, N., Hormuth, F., 2014ApJ...789..102J
Jnn2014 +Cl Hippler, S., & Henning, T.
Jnn2014 ApJ 789, 102, 2014
Lip1975 orb - Lippincott, S.L. 1975AJ.....80..831L
Lip1975 AJ 80, 831, 1975
Pbx2000b orb - Pourbaix, D. 2000A&AS..145..215P
Pbx2000b A&AS 145, 215, 2000
Tok1982a Ig j Tokovinin, A.A. 1982SvAL....8...22T
Tok1982a SvAL 8, 22, 1982 (Pisma Astron. Zhur. 8, 43, 1982)
Tok1982b Ig j Tokovinin, A.A. 1982SvAL....8...99T
Tok1982b SvAL 8, 99, 1982 (Pisma Astron. Zhur. 8, 187, 1982)
 
 
DISCOVERER
 
 
idgroup discov author
1 KUI Kuiper, G.P., Schilt, van den Bos, W., and van Gent
63 RAO Robo AO (Palomar 60" AO project or KPNO 2.1m)
63 RAO Law, N.M., Morton, T., Baranec, C., Riddle, R., Ravichandran, G., Ziegler, C.,
63 RAO Johnson, J.A., Tendulkar, S.P., Bui, K., Burse, M.P., Das, H., Dekany, R., et al.
64 RAO Riddle, R.L., Tokovinin, A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr.,
64 RAO Baranec, C., Law, N.M., Bui, K., Burse, M.P., Das, H.K., Dekany, R.G.,
64 RAO Kulkarni, S., Punnadi, S., Ramaprakash, A.N., & Tendulkar, S.P.
69 RAO Baranec, C., Ziegler, C., Law, N.M., Morton, T., Riddle, R.L., Atkinson, D.,
69 RAO Schonhut, J., & Crepp, J.
70 RAO Ziegler, C., Law, N.M., Nicholas, M., Morton, T., Baranec, C., Riddle, R.L.,
70 RAO Atkinson, D., Baker, A., Roberts, S., & Ciardi, D.R.
71 RAO Schonhut-Stasik, J.S., Baranec, C., Huber, D., Ziegler, C., Atkinson, D., Gaidos,
71 RAO E., Law, N.M., Riddle, R., Hagelberg, J., van der Marel, N., & Hodapp, K.W.
72 RAO Hillenbrand, L.A., Zhang, C., Riddle, R.L., Baranec, C., Ziegler, C., Law, N.M. &
72 RAO Stauffer, J.
74 RAO Ziegler, C., Law, N.M., Baranec, C., Riddle, R., Duev, D.A., Howard, W.,
74 RAO Jensen-Clem, R., Kulkarni, S.R., Morton, T. & Salama, M.
75 RAO Ziegler, C., Law, N.M., Baranec, C., Morton, T., Riddle, R., De Lee, N., Huber, D.,
75 RAO Mahadevan, S. & Pepper, J.
76 RAO Bowler, B.P., Hinkley, S., Ziegler, C., Baranec, C., Gizis, J.E., Law, N.M., Liu,
76 RAO M.C., Shah, V.S., Shkolnik, E.L., Riaz, B. & Riddle, R.
77 RAO Schonhut-Stasik, J.S., Huber, D., Baranec, C., Lamman, C., Salama, M., Jensen-Clem,
77 RAO R., Duev, D.A., Riddle, R., Kulkarni, S.R. & Law, N.M.
78 RAO Lamman, C., Baranec, C., Berta-Thompson, Z.K., Law, N.M., Schonhut-Stasik, J.,
78 RAO Ziegler, C., Salama, M., Jensen-Clem, R., Duev, D.A., Riddle, R., Kulkarni, S.R.,
78 RAO Winters, J.G. & Irwin, J.M.
81 RAO Salama, M., Ou, J., Barance, C., Liu, M.C., Bowler, B.P., Barnes, P., Bonnet, M.,
81 RAO Chun, M., Duev, D.A., Goebel, S., Hall, D., Jacobson, S., Jensen-Clem, R., Law,
81 RAO N.M., Lockhart, C., Riddle, R., Situ, H., Warmbier, E. & Zhang, Z.
82 RAO Salama, M., Ziegler, C., Baranec, C., Liu, M.C., Law, N.M., Riddle, R., Henry,
82 RAO T.J., Winters, J.G., Jao, W.-C., Ou, J. & Ruiz, A.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21000+4004 KUI 103 AB 2016 64 58 0.9 10.49 12.40 M2V+M0.5V NO 210005.49+400412.3

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

 
 
WDS 21000+4004 KUI 103 AB (V1396 Cyg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21000+4004 KUI 103 AB (V1396 Cyg) : MEASURES
 
 
No records found.

 
 
WDS 21000+4004 (V1396 Cyg) : VIRTUAL EYEPIECE
 
 

21000+4004 KUI 103A mag 10.49 Sp M2V 21000+4004 KUI 103B sep 0.7 P.A. 51.00 mag 12.4 Sp M0.5V 21000+4004 RAO 689C sep 2.0 P.A. 307.00 mag 13.3 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 21000+4004 (V1396 Cyg) : ALADIN DSS IMAGE @ 21h 00m 05.49s +40° 04' 12.3"
 
 
 
 
WDS 21000+4004 KUI 103 AB (V1396 Cyg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21000+4004 KUI 103AB distance=0' 20599+4016 SEI1363CR distance=9' 20599+4016 BUP 221BC distance=10' 21010+3959 A 1438 distance=12' 20599+4016 COU2431Aa,Ab distance=12' 20599+4016 ENG 79AB distance=12' 20599+4016 LEP 98AD distance=12' 20599+4016 BUP 221AC distance=12' 20599+4016 LSC 1Aa1,2 distance=12' 20596+3953 SEI1358 distance=12' 20588+3957 TDT2670 distance=17' 20591+3950 BKO 479 distance=19' 21012+3949 SEI1369 distance=21' 20592+3946 BKO 481 distance=22' 21014+3948 SEI1370 distance=23' 21002+4027 TDT2688 distance=23' 20590+3945 SEI1349 distance=23' 20599+4016 HDS2989Da,Db distance=23' 20599+4016 RAO 72DE distance=23' 20591+3944 BKO 480 distance=24' 20592+3941 SEI1351AB distance=25' 20592+3941 TOB 206AC distance=25' 21008+3940 SEI1364 distance=26' 20587+3942 BKO 477 distance=29' 20591+3932 TOB 205 distance=35' 21031+3959 LDS2483AB distance=36' 20589+3931 SEI1348 distance=36' 21014+4037 HDS2995 distance=37' 21029+3946 SEI1379 distance=38' 20593+3925 SEI1353 distance=40' 20577+3943 COU2429 distance=41' 21032+4024 ES 1986 distance=41' 20593+3924 TOB 207 distance=41' 20595+3923 SEI1357 distance=42' 21023+3931 H 4 113AB distance=43' 21023+3931 H 4 113AC distance=43' 21023+3931 SMY 6AE distance=43' 21023+3931 WRD 4AF distance=43' 21023+3931 SMY 6AD distance=43' 21023+3931 WRD 4AG distance=43' 21023+3931 FYM 114AI distance=43' 21023+3931 WRD 4ED distance=44' 21023+3931 WRD 4EH distance=44' 20587+3922 BKO 478 distance=45' 20581+4043 COU2430AB distance=46' 20581+4043 COU2430AB,C distance=46' 20577+3926 SEI1334 distance=48' 20578+3923 BKO 475 distance=50' 20580+3918 ES 1985AB distance=52' 20580+3918 SEI1338AC distance=52' 20580+3918 BKO 476BD distance=52' 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 21000+4004 KUI 103 AB 58 0.9
Show 21000+4004 RAO 689 AC 300 2.4
Show 20599+4016 SEI1363 CR 37 8.7 9
Show 20599+4016 BUP 221 BC 107 203.7 10
Show 21010+3959 A 1438 257 0.3 12
Show 20599+4016 COU2431 Aa,Ab 205 2.2 12
Show 20599+4016 ENG 79 AB 219 165.9 12
Show 20599+4016 LEP 98 AD 258 999.9 12
Show 20599+4016 BUP 221 AC 154 210.3 12
Show 20599+4016 LSC 1 Aa1,2 257 0.0 12
Show 20596+3953 SEI1358 273 30.9 12
Show 20588+3957 TDT2670 6 0.5 17
Show 20591+3950 BKO 479 9 12.4 19
Show 21012+3949 SEI1369 309 4.5 21
Show 20592+3946 BKO 481 204 11.5 22
Show 21014+3948 SEI1370 141 20.7 23
Show 21002+4027 TDT2688 104 0.5 23
Show 20590+3945 SEI1349 160 27.9 23
Show 20599+4016 HDS2989 Da,Db 143 0.1 23
Show 20599+4016 RAO 72 DE 118 19.8 23
Show 20591+3944 BKO 480 236 11.1 24
Show 20592+3941 SEI1351 AB 256 17.5 25
Show 20592+3941 TOB 206 AC 71 38.4 25
Show 21008+3940 SEI1364 114 12.1 26
Show 20587+3942 BKO 477 8 7.6 29
Show 20591+3932 TOB 205 203 14.5 35
Show 21031+3959 LDS2483 AB 41 30.6 36
Show 20589+3931 SEI1348 295 26.4 36
Show 21014+4037 HDS2995 97 0.1 37
Show 21029+3946 SEI1379 7 19.4 38
Show 20593+3925 SEI1353 113 17.5 40
Show 20577+3943 COU2429 209 0.8 41
Show 21032+4024 ES 1986 21 4.2 41
Show 20593+3924 TOB 207 228 22.0 41
Show 20595+3923 SEI1357 93 14.4 42
Show 21023+3931 H 4 113 AB 299 18.9 43
Show 21023+3931 H 4 113 AC 248 26.7 43
Show 21023+3931 SMY 6 AE 87 95.7 43
Show 21023+3931 WRD 4 AF 223 101.8 43
Show 21023+3931 SMY 6 AD 141 57.0 43
Show 21023+3931 WRD 4 AG 230 95.0 43
Show 21023+3931 FYM 114 AI 277 41.1 43
Show 21023+3931 WRD 4 ED 230 77.7 44
Show 21023+3931 WRD 4 EH 159 37.4 44
Show 20587+3922 BKO 478 75 7.9 45
Show 20581+4043 COU2430 AB 254 0.4 46
Show 20581+4043 COU2430 AB,C 176 3.0 46
Show 20577+3926 SEI1334 106 16.9 48
Show 20578+3923 BKO 475 265 5.5 50
Show 20580+3918 ES 1985 AB 276 8.4 52
Show 20580+3918 SEI1338 AC 277 32.7 52

 
 
WDS 21000+4004 : COMPONENTS
 
 
  A B
B pa=51.0°
sep=0.74"
 
C pa=307.0°
sep=1.99"
pa=288.7°
sep=2.29"
 
 
21000+4004 A
 
 
Name V1396 Cyg Coord arcsec 2000 210005.49+400412.3 Mag 10.49 Spectral class M2V (red)
PmRA 601.00 PmDE -253.0 HIP 103655 Tycho2 3172-01090-1
Tycho2
Tycho2 3172-01090-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 12.292 E BTmag 0.150 VTmag 10.485
E VTmag 0.041 Prox 9 TYC T HIP 103655
CCDM A RAdeg 315.02037222 DEdeg 40.07084917 EpRA 1990 1.56
EpDE 1990 1.79 E RAdeg 40.1 E DEdeg 33.2 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 103655 Proxy H RAhms 21 00 04.88
DEdms +40 04 15.2 Vmag 10.12 VarFlag R Vmag G
RAdeg 315.02 DEdeg 40.0709 AstroRef A Plx 66.21
CCDM 21001+4004 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 76 Rho 1.015 HD BD
CD CP Dm number VIred 2.16
SpType M3Ve R SpType Coord arcsec 2000 210004.88+400415.2
Hipparcos 2
HIP 103655 Sn 15 So 3 Nc 2
RArad 5.498141899 DErad 0.6993687707 Plx 65.4 PmRA 616.3
PmDE -249 E RArad 1.25 E DErad 1.47 E Plx 1.84
E pmRA 1.47 E pmDE 1.7 Hpmag 10.2137 E Hpmag 0.0043
SHp 0.042 VA 2 BV 1.52 E BV 0.02
VI 2.22
 
 
21000+4004 B
 
 
Coord arcsec 2000 210005.54+400412.8 Mag 12.4 Spectral class M0.5V (red) Calc delta mag 1.91
Calc coord yes
 
 
21000+4004 C
 
 
Coord arcsec 2000 210005.35+400413.5 Mag 13.3 Calc delta mag 2.81 Calc coord yes