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Doubles in session


Current system
20094+3651
BNW 2 AB
28 Cyg


Nearby doubles
7' : 20091+3657
SEI 921

12' : 20085+3648
SEI 913

12' : 20102+3644
ES 87

14' : 20104+3644
SEI 945AB

15' : 20103+3643
SMR 77

17' : 20107+3657
SEI 953

17' : 20108+3652
SEI 957

17' : 20108+3654
SEI 956

18' : 20108+3646
SEI 958

20' : 20085+3707
SEI 912AB

20' : 20107+3703
STT 399AB

21' : 20105+3635
SEI 948

21' : 20110+3642
SEI 962

21' : 20108+3637
TDT2052

22' : 20094+3630
SEI 928AB

22' : 20098+3629
COU2413

25' : 20090+3626
SEI 920

27' : 20103+3715
SEI 942

28' : 20106+3714
SEI 951AB

28' : 20117+3654
SLE 957

28' : 20095+3623
ALI 409

29' : 20077+3709
POP 190AB

29' : 20108+3713
TOB 174AB

29' : 20115+3639
SEI 974AB

29' : 20083+3714
ES 2185

29' : 20070+3651
SEI 889



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.
 
 
WDS 20094+3651 : COMPONENTS
 
 
  A Ab
Ab pa=167.3°
sep=0.01"
 
B pa=129.8°
sep=70.98"
pa=129.8°
sep=70.97"
 
 
20094+3651 A
 
 
Name 28 Cyg Coord arcsec 2000 200925.62+365022.6 Mag 4.9 Spectral class em
PmRA 3.00 PmDE 13.0 SAO 69518 HIP 99303
Tycho2 2683-03961-1 HD 191610 HR 7708 GC 27980
BD BD+36 3907 Flamsteed 28 Cygni Flamsteed name 28 Cyg FK5 1525
Tycho2
Tycho2 2683-03961-1 Pflag RAmdeg 302.35674600 DEmdeg 36.83961894
PmRA 3.4 PmDE 12.2 E RAmdeg 3 E DEmdeg 3
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.29 EpDEm 1991.47
Num 20 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.9 BTmag 4.749 E BTmag 0.014 VTmag 4.904
E VTmag 0.009 Prox 817 TYC T HIP 99303
CCDM RAdeg 302.35673611 DEdeg 36.83959083 EpRA 1990 1.57
EpDE 1990 1.69 E RAdeg 3.2 E DEdeg 3.2 Posflg
Corr 0.0
SAO
SAO 69518 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 0.016 Vmag 4.8 SpType B2p
Double code Source 74 CatNum 1525 DM BD+36 3907
DMcomp BDsup HD 191610 M HD 0
GC 27980 RA1950rad 5.26901024 DE1950rad 0.64038599 PmRA2000 0.0004
PmDE2000 0.014
Hipparcos
Catalog H HIP 99303 Proxy RAhms 20 09 25.62
DEdms +36 50 22.5 Vmag 4.93 VarFlag 2 R Vmag H
RAdeg 302.357 DEdeg 36.8396 AstroRef Plx 3.79
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 191610 BD BD+36 3907
CD CP Dm number +36 3907 VIred -0.15
SpType B2.5V R SpType Coord arcsec 2000 200925.62+365022.5
Hipparcos 2
HIP 99303 Sn 5 So 0 Nc 1
RArad 5.2771205676 DErad 0.6429721401 Plx 3.15 PmRA 3.32
PmDE 13.24 E RArad 0.15 E DErad 0.17 E Plx 0.23
E pmRA 0.18 E pmDE 0.2 Hpmag 4.8843 E Hpmag 0.0021
SHp 0.021 VA 2 BV -0.139 E BV 0.004
VI -0.13
 
 
20094+3651 Ab
 
 
Coord arcsec 2000 200925.62+365022.6 Mag 6 Spectral class sdO Calc delta mag 0.1
Calc coord yes
 
 
20094+3651 B
 
 
Coord arcsec 2000 200930.16+364937.2 Mag 9.38 PmRA 0.00 PmDE -7.0
Calc delta mag 3.48 Calc coord yes