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Doubles in session


Current system
21434+3817
KUI 109 Aa,Ab


Nearby doubles
4' : 21432+3815
DAM 232

5' : 21436+3822
ES 2522

17' : 21432+3801
BLL 55AB

22' : 21440+3757
SEI1533

23' : 21415+3817
SEI1532

26' : 21450+3800
LDS1054

32' : 21457+3800
DAM1461

34' : 21408+3806
TDS1140

36' : 21421+3848
ALI 980

36' : 21438+3742
TDT3122

38' : 21466+3815
COU1639

40' : 21399+3813
ES 2066

43' : 21453+3853
TDT3139

44' : 21429+3734
ES 2521AB

46' : 21403+3843
ALI 979

47' : 21464+3847
MLB 961

48' : 21429+3904
GRV 496

50' : 21412+3735
TDT3109

51' : 21398+3749
A 1444

56' : 21403+3858
MLB 787

57' : 21386+3822
TDT3078

59' : 21471+3737
GRV 504

59' : 21484+3806
ALI 694

60' : 21384+3808
TDT3073

62' : 21436+3715
TDS1143

64' : 21387+3848
ALI 977



Selections
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Triple Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21434+3817 KUI 109 Aa,Ab

 
 
21h 43m 25.63s +38° 17' 01.0" P.A. 142.00 sep 1.9 mag 5.69,11.10 Sp A0V dist. 84.18 pc (274.6 l.y.)
 
 
Coord 2000 21434+3817 Discov num KUI 109 Comp Aa,Ab Coord arcsec 2000 21 43 25.63 +38 17 01.0
Date first 1937 Date last 2016 Obs 12
Pa first 151 Pa last 142.2 P.A. Now (θ) 142.2°
Sep first 1.4 Sep last 1.911 Sep. Now (ρ) 1.911"
Mag pri 5.69 Mag sec 11.10 delta mag (ΔM) 5.41 Spectral class A0V (white)
Pri motion ra +035 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21434+3817 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 71643 21 43 26 +38 17 01 KUI 109 Aa,Ab 2016 12 142 1.9 5.69 11.10 5.41 <===
Show 79 Cyg 71643 21 43 26 +38 17 01 S 799 AB 2015 37 60 149.5 5.69 7.00 1.31
Show 71643 21 43 26 +38 17 01 S 799 AC 2011 10 318 135.3 5.69 10.24 4.55
Show 71646 21 43 37 +38 18 16 S 799 BD 2015 4 254 34.0 6.98 13.90 6.92
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 71643 HIP 107253 Tycho2 3184-02738-1
Gaia DR2 1953588728112369408 HD 206774 HR 8307 GC 30421
BD BD+37 4408 Flamsteed 79 Cygni Flamsteed name 79 Cyg Distance 84.18
Distance ly 274.6
 
 
WDS 21434+3817 KUI 109 Aa,Ab : NOTES
 
 
discov_num notes refcode
S 799 79 Cyg.
AB: H 6 57. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 KUI Kuiper, G.P., Schilt, van den Bos, W., and van Gent
63 S South, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21434+3817 KUI 109 Aa,Ab 1948 3 155 1.5 5.69 11.10 A0V 214325.63+381701.0
21434+3817 KUI 109 Aa,Ab 2003 4 142 1.8 5.69 11.10 A0V N 214325.63+381701.0
21434+3817 KUI 109 Aa,Ab 2009 5 144 1.9 5.69 11.10 A0V N 214325.63+381701.0
21434+3817 KUI 109 Aa,Ab 2016 6 142 1.9 5.69 11.10 A0V N 214325.63+381701.0

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

 
 
WDS 21434+3817 KUI 109 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21434+3817 KUI 109 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 21434+3817 : VIRTUAL EYEPIECE
 
 

21434+3817 S 799A mag 5.69 Sp A0V 21434+3817 KUI 109Ab sep 1.8 P.A. 148.70 mag 11.1 21434+3817 S 799B sep 149.9 P.A. 59.80 mag 6.98 Sp A0 21434+3817 S 799C sep 123.2 P.A. 324.80 mag 10.24 21434+3817 S 799D sep 123.2 P.A. 57.50 mag 13.9 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 21434+3817 : ALADIN DSS IMAGE @ 21h 43m 25.63s +38° 17' 01.0"
 
 
 
 
WDS 21434+3817 KUI 109 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21434+3817 KUI 109Aa,Ab distance=0' 21434+3817 S 799BD distance=3' 21432+3815 DAM 232 distance=4' 21436+3822 ES 2522 distance=5' 21432+3801 HDS3094Aa,Ab distance=17' 21432+3801 BLL 55AB distance=17' 21440+3757 SEI1533 distance=22' 21415+3817 SEI1532 distance=23' 21450+3800 LDS1054 distance=26' 21457+3800 DAM1461 distance=32' 21408+3806 TDS1140 distance=34' 21421+3848 ALI 980 distance=36' 21438+3742 TDT3122 distance=36' 21466+3815 COU1639 distance=38' 21399+3813 ES 2066 distance=40' 21453+3853 TDT3139 distance=43' 21429+3734 ES 2521AB distance=44' 21429+3734 ES 2521AC distance=44' 21403+3843 ALI 979 distance=46' 21464+3847 MLB 961 distance=47' 21429+3904 GRV 496 distance=48' 21412+3735 TDT3109 distance=50' 21398+3749 A 1444 distance=51' 21403+3858 MLB 787 distance=56' 21386+3822 TDT3078 distance=57' 21471+3737 GRV 504 distance=59' 21484+3806 ALI 694 distance=59' 21384+3808 TDT3073 distance=60' 21436+3715 TDS1143 distance=62' 21387+3848 ALI 977 distance=64' 21405+3720 ES 2067 distance=66' 21493+3816 A 1448 distance=70' 21374+3810 GRV 487 distance=72' 21400+3919 ALI 978 distance=74' 21492+3849 TDT3176 distance=75' 21413+3928 BU 274 distance=76' 21445+3933 A 1447 distance=76' 21378+3739 SEI1527AB distance=76' 21378+3739 MBR 1AC distance=76' 21481+3911 TDT3162 distance=77' 21383+3906 ALI 976 distance=78' 21402+3703 SEI1531 distance=84' 21487+3914 TDS1147 distance=84' 21399+3931 A 1445AB distance=85' 21399+3931 HJ 1675AC distance=85' 21383+3917 GRV 488 distance=85' 21502+3750 ES 1996 distance=85' 21490+3912 TDT3173 distance=86' 21387+3924 TDT3080 distance=87' 21377+3911 ALI 975 distance=87' 21450+3942 GRV 499 distance=88' 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 21434+3817 KUI 109 Aa,Ab 142 1.9
Show 21434+3817 S 799 AB 60 149.5
Show 21434+3817 S 799 AC 318 135.3
Show 21434+3817 S 799 BD 254 34.0 3
Show 21432+3815 DAM 232 299 8.3 4
Show 21436+3822 ES 2522 101 4.0 5
Show 21432+3801 HDS3094 Aa,Ab 245 0.1 17
Show 21432+3801 BLL 55 AB 117 142.4 17
Show 21440+3757 SEI1533 13 25.7 22
Show 21415+3817 SEI1532 139 5.1 23
Show 21450+3800 LDS1054 8 127.0 26
Show 21457+3800 DAM1461 190 1.7 32
Show 21408+3806 TDS1140 191 1.0 34
Show 21421+3848 ALI 980 139 8.9 36
Show 21438+3742 TDT3122 280 0.6 36
Show 21466+3815 COU1639 204 1.8 38
Show 21399+3813 ES 2066 224 5.4 40
Show 21453+3853 TDT3139 65 0.5 43
Show 21429+3734 ES 2521 AB 200 8.2 44
Show 21429+3734 ES 2521 AC 93 16.5 44
Show 21403+3843 ALI 979 5 9.8 46
Show 21464+3847 MLB 961 4 6.5 47
Show 21429+3904 GRV 496 72 29.9 48
Show 21412+3735 TDT3109 59 0.6 50
Show 21398+3749 A 1444 82 1.1 51
Show 21403+3858 MLB 787 351 5.4 56
Show 21386+3822 TDT3078 157 0.7 57
Show 21471+3737 GRV 504 21 53.5 59
Show 21484+3806 ALI 694 163 6.4 59
Show 21384+3808 TDT3073 334 1.1 60
Show 21436+3715 TDS1143 180 0.9 62
Show 21387+3848 ALI 977 221 11.6 64
Show 21405+3720 ES 2067 227 6.8 66
Show 21493+3816 A 1448 331 4.7 70
Show 21374+3810 GRV 487 201 74.8 72
Show 21400+3919 ALI 978 14 13.3 74
Show 21492+3849 TDT3176 1 2.3 75
Show 21413+3928 BU 274 180 3.7 76
Show 21445+3933 A 1447 243 0.4 76
Show 21378+3739 SEI1527 AB 332 25.5 76
Show 21378+3739 MBR 1 AC 89 14.5 76
Show 21481+3911 TDT3162 146 2.0 77
Show 21383+3906 ALI 976 173 12.8 78
Show 21402+3703 SEI1531 20 2.9 84
Show 21487+3914 TDS1147 26 1.0 84
Show 21399+3931 A 1445 AB 283 1.5 85
Show 21399+3931 HJ 1675 AC 264 37.9 85
Show 21383+3917 GRV 488 19 59.8 85
Show 21502+3750 ES 1996 337 2.3 85
Show 21490+3912 TDT3173 137 0.6 86
Show 21387+3924 TDT3080 245 2.7 87

 
 
WDS 21434+3817 : COMPONENTS
 
 
  A Ab B C
Ab pa=148.7°
sep=1.77"
 
B pa=59.8°
sep=149.95"
pa=59.1°
sep=149.93"
 
C pa=324.8°
sep=123.16"
pa=324.9°
sep=124.92"
pa=277.2°
sep=202.08"
 
D pa=57.5°
sep=123.19"
pa=56.7°
sep=123.23"
pa=250.2°
sep=27.31"
pa=101.2°
sep=178.19"
 
 
21434+3817 A
 
 
Name 79 Cyg Coord arcsec 2000 214325.63+381701.0 Mag 5.69 Spectral class A0V (white)
PmRA 34.00 PmDE -5.0 SAO 71643 HIP 107253
Tycho2 3184-02738-1 HD 206774 HR 8307 GC 30421
BD BD+37 4408 Flamsteed 79 Cygni Flamsteed name 79 Cyg
Tycho2
Tycho2 3184-02738-1 Pflag RAmdeg 325.85688818 DEmdeg 38.28359186
PmRA 35.2 PmDE -3.1 E RAmdeg 3 E DEmdeg 3
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.48 EpDEm 1991.60
Num 11 Q RAmdeg 1.0 Q DEmdeg 2.0 Q pmRA 1.1
Q pmDE 2.1 BTmag 5.691 E BTmag 0.014 VTmag 5.694
E VTmag 0.009 Prox 999 TYC T HIP 107253
CCDM RAdeg 325.85678333 DEdeg 38.28359917 EpRA 1990 1.57
EpDE 1990 1.69 E RAdeg 3.3 E DEdeg 3.2 Posflg
Corr 0.3
SAO
SAO 71643 DelFlag RA1950 PmRA1950 0.0028
DE1950 PmDE1950 0.007 Vmag 5.6 SpType A0
Double code Source 70 CatNum 30421 DM BD+37 4408
DMcomp BDsup HD 206774 M HD 0
GC 30421 RA1950rad 5.67823939 DE1950rad 0.66416919 PmRA2000 0.003
PmDE2000 0.004
Hipparcos
Catalog H HIP 107253 Proxy RAhms 21 43 25.63
DEdms +38 17 01.0 Vmag 5.69 VarFlag R Vmag G
RAdeg 325.857 DEdeg 38.2836 AstroRef Plx 11.97
CCDM 21435+3818 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 206774 BD BD+37 4408
CD CP Dm number +37 4408 VIred 0.01
SpType A0V R SpType Coord arcsec 2000 214325.63+381701.0
Hipparcos 2
HIP 107253 Sn 5 So 0 Nc 1
RArad 5.6872736827 DErad 0.668174879 Plx 11.88 PmRA 33.93
PmDE -4.58 E RArad 0.16 E DErad 0.17 E Plx 0.28
E pmRA 0.18 E pmDE 0.21 Hpmag 5.7095 E Hpmag 0.0005
SHp 0.006 VA 0 BV -0.01 E BV 0.042
VI 0.01
 
 
21434+3817 Ab
 
 
Coord arcsec 2000 214325.71+381659.5 Mag 11.1 Calc delta mag 5.41 Calc coord yes
 
 
21434+3817 B
 
 
Coord arcsec 2000 214336.64+381816.4 Coord calc 214336.64+381816.4 Mag 6.98 Spectral class A0 (white)
PmRA 25.00 PmDE -26.0 SAO 71646 HIP 107268
Tycho2 3184-01386-1 HD 206807 GC 30425 DM BD+37 4410
Calc delta mag 1.29
Tycho2
Tycho2 3184-01386-1 Pflag RAmdeg 325.90270424 DEmdeg 38.30456204
PmRA 26.2 PmDE -26.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.20 EpDEm 1991.41
Num 15 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 7.109 E BTmag 0.015 VTmag 6.997
E VTmag 0.010 Prox 999 TYC T HIP 107268
CCDM RAdeg 325.90262639 DEdeg 38.30462389 EpRA 1990 1.58
EpDE 1990 1.72 E RAdeg 3.7 E DEdeg 3.5 Posflg
Corr 0.3
SAO
SAO 71646 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.02 Vmag 6.9 SpType A0
Double code Source 70 CatNum 30425 DM BD+37 4410
DMcomp BDsup HD 206807 M HD 0
GC 30425 RA1950rad 5.67904165 DE1950rad 0.66453718 PmRA2000 0.002
PmDE2000 -0.023
Hipparcos
Catalog H HIP 107268 Proxy RAhms 21 43 36.63
DEdms +38 18 16.7 Vmag 6.99 VarFlag R Vmag H
RAdeg 325.903 DEdeg 38.3046 AstroRef Plx 8.86
CCDM 21435+3818 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 206807 BD
CD CP Dm number VIred 0.09
SpType A0 R SpType Coord arcsec 2000 214336.63+381816.7
Hipparcos 2
HIP 107268 Sn 5 So 0 Nc 1
RArad 5.688073827 DErad 0.6685418666 Plx 8.75 PmRA 24.61
PmDE -26.24 E RArad 0.27 E DErad 0.28 E Plx 0.47
E pmRA 0.32 E pmDE 0.37 Hpmag 7.0311 E Hpmag 0.0009
SHp 0.009 VA 0 BV 0.107 E BV 0.006
VI 0.12
 
 
21434+3817 C
 
 
Coord arcsec 2000 214319.61+381841.7 Mag 10.24 PmRA 11.00 PmDE -6.0
Calc delta mag 4.55 Calc coord yes
 
 
21434+3817 D
 
 
Coord arcsec 2000 214334.46+381807.1 Mag 13.9 PmRA 5.00 PmDE -30.0
Calc delta mag 8.21 Calc coord yes