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Doubles in session


Current system
21278+3835
KU 61 AB


Nearby doubles
19' : 21294+3833
TDT2992

28' : 21257+3824
TDT2955

38' : 21264+3909
A 1442

39' : 21304+3859
KU 131

39' : 21250+3814
TDT2950

41' : 21263+3911
ALI 970

42' : 21287+3755
KPP1064

44' : 21272+3752
ES 2520

45' : 21239+3837
GRV 461

46' : 21247+3903
ALI 969

49' : 21317+3850
TDT3009

50' : 21321+3834
ES 2064

51' : 21284+3745
TDT2983

52' : 21322+3835
TDT3017

54' : 21323+3839
ALI 974

54' : 21322+3850
ES 259

56' : 21324+3849
MLB1029AB

57' : 21231+3821
ALI 689

58' : 21323+3811
ES 2063

59' : 21233+3810
ALI 690

60' : 21299+3928
MLB 987

61' : 21329+3843
KPP4236

61' : 21324+3903
MLB 988

62' : 21325+3902
ES 260

62' : 21268+3935
TDT2974

63' : 21233+3801
ES 2519



Selections
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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.

21278+3835 KU 61 AB

 
 
21h 27m 49.16s +38° 34' 45.2" P.A. 271.00 sep 3.9 mag 10.02,10.57 Sp F8
 
 
Coord 2000 21278+3835 Discov num KU   61 Comp AB Coord arcsec 2000 21 27 49.16 +38 34 45.2
Date first 1901 Date last 2018 Obs 17
Pa first 273 Pa last 271.2 P.A. Now (θ) 271.2°
Sep first 3.8 Sep last 3.919 Sep. Now (ρ) 3.919"
Mag pri 10.02 Mag sec 10.57 delta mag (ΔM) 0.55 Spectral class F8 (yellow-white)
Pri motion ra +006 Sec motion ra +006
Pri motion dec -019 Sec motion dec -020
Notes T (Parallax indicates physical)
rPM=0.048 (< 0.3, Physical double)
This double is physical.
 
 
21278+3835 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 21 27 49 +38 34 45 KU 61 AB 2018 17 271 3.9 10.02 10.57 0.55 <===
Show 21 27 49 +38 34 45 KU 61 AC 2015 7 206 14.3 10.02 13.20 3.18
Show 21 27 49 +38 34 45 KU 61 AD 2015 6 235 25.7 10.02 13.50 3.48
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3182-03296-1 Gaia DR2 1964272373365863552
 
 
WDS 21278+3835 KU 61 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ku_1884 Ma - Kustner, F. 1884AN....108..281K
Ku_1884 AN 108, 281, 1884
Ku_1902 Ma - Kustner, F. 1902AN....160...71K
Ku_1902 AN 160, 71, 1902
Ku_1905A Ma - Kustner, F. 1905LicOB...3..147A
Ku_1905A cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
Ku_1963A - Kustner, F. 1963icvd.book.....J
Ku_1963A cited in IDS (Lick Index Cat.), 1963
Ku_1932A - Kustner, F. 1932QB821.A43......
Ku_1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21278+3835 KU 61 AB 1999 12 272 3.5 10.02 10.57 F8 D 212749.16+383445.2
21278+3835 KU 61 AB 2002 13 271 3.8 10.02 10.57 F8 D 212749.16+383445.2
21278+3835 KU 61 AB 2015 14 271 3.8 10.02 10.57 F8 212749.16+383445.2
21278+3835 KU 61 AB 2018 15 271 3.9 10.02 10.57 F8 212749.16+383445.2

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

 
 
WDS 21278+3835 KU 61 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21278+3835 KU 61 AB : MEASURES
 
 
No records found.

 
 
WDS 21278+3835 : VIRTUAL EYEPIECE
 
 

21278+3835 KU 61A mag 10.02 Sp F8 21278+3835 KU 61B sep 3.1 P.A. 271.50 mag 10.57 21278+3835 KU 61C sep 13.7 P.A. 201.10 mag 13.2 21278+3835 KU 61D sep 22.1 P.A. 228.00 mag 13.5 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 21278+3835 : ALADIN DSS IMAGE @ 21h 27m 49.16s +38° 34' 45.2"
 
 
 
 
WDS 21278+3835 KU 61 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21278+3835 KU 61AB distance=1' 21278+3835 KU 61AC distance=1' 21278+3835 KU 61AD distance=1' 21294+3833 TDT2992 distance=19' 21257+3824 TDT2955 distance=28' 21264+3909 A 1442 distance=38' 21304+3859 KU 131 distance=39' 21250+3814 TDT2950 distance=39' 21263+3911 ALI 970 distance=41' 21287+3755 KPP1064 distance=42' 21272+3752 ES 2520 distance=44' 21239+3837 GRV 461 distance=45' 21247+3903 ALI 969 distance=46' 21317+3850 TDT3009 distance=49' 21321+3834 ES 2064 distance=50' 21284+3745 TDT2983 distance=51' 21322+3835 TDT3017 distance=52' 21323+3839 ALI 974 distance=54' 21322+3850 ES 259 distance=54' 21324+3849 MLB1029AB distance=56' 21324+3849 DAM 326AC distance=56' 21324+3849 MLB1029AD distance=56' 21231+3821 ALI 689 distance=57' 21323+3811 ES 2063 distance=58' 21233+3810 ALI 690 distance=59' 21299+3928 MLB 987 distance=60' 21329+3843 KPP4236 distance=61' 21324+3903 MLB 988 distance=61' 21325+3902 ES 260 distance=62' 21268+3935 TDT2974 distance=62' 21233+3801 ES 2519 distance=63' 21226+3846 HDS3044 distance=63' 21268+3731 COU1821Da,Db distance=64' 21294+3936 TDT2991 distance=64' 21328+3901 MLB 989 distance=64' 21268+3731 SEI1516AB distance=65' 21268+3731 HEI9004AC distance=65' 21268+3731 HEI9004AD distance=65' 21328+3904 A 1443 distance=66' 21222+3848 TDT2929 distance=67' 21289+3941 MLB 986 distance=68' 21243+3740 WSI 7 distance=70' 21241+3741 SEI1458 distance=70' 21276+3944 MLB 985 distance=70' 21295+3728 SEI1519 distance=70' 21300+3941 KPP 495 distance=71' 21228+3754 WIS 349 distance=72' 21340+3844 COU1976 distance=73' 21336+3905 COU1975AB distance=75' 21336+3905 COU1975Aa,Ab distance=75' 21317+3730 GRV 474 distance=79' 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 21278+3835 KU 61 AB 271 3.9 1
Show 21278+3835 KU 61 AC 206 14.3 1
Show 21278+3835 KU 61 AD 235 25.7 1
Show 21294+3833 TDT2992 109 2.1 19
Show 21257+3824 TDT2955 18 0.5 28
Show 21264+3909 A 1442 274 1.2 38
Show 21304+3859 KU 131 12 36.7 39
Show 21250+3814 TDT2950 200 1.6 39
Show 21263+3911 ALI 970 63 8.3 41
Show 21287+3755 KPP1064 246 8.5 42
Show 21272+3752 ES 2520 238 6.2 44
Show 21239+3837 GRV 461 197 65.7 45
Show 21247+3903 ALI 969 63 8.2 46
Show 21317+3850 TDT3009 122 0.5 49
Show 21321+3834 ES 2064 244 11.5 50
Show 21284+3745 TDT2983 111 0.5 51
Show 21322+3835 TDT3017 267 0.8 52
Show 21323+3839 ALI 974 210 10.6 54
Show 21322+3850 ES 259 319 3.9 54
Show 21324+3849 MLB1029 AB 204 5.9 56
Show 21324+3849 DAM 326 AC 315 13.4 56
Show 21324+3849 MLB1029 AD 290 29.1 56
Show 21231+3821 ALI 689 107 14.6 57
Show 21323+3811 ES 2063 227 2.7 58
Show 21233+3810 ALI 690 65 8.8 59
Show 21299+3928 MLB 987 263 7.0 60
Show 21329+3843 KPP4236 205 1.8 61
Show 21324+3903 MLB 988 109 2.2 61
Show 21325+3902 ES 260 281 6.1 62
Show 21268+3935 TDT2974 261 0.4 62
Show 21233+3801 ES 2519 224 6.5 63
Show 21226+3846 HDS3044 141 0.1 63
Show 21268+3731 COU1821 Da,Db 96 0.7 64
Show 21294+3936 TDT2991 170 0.8 64
Show 21328+3901 MLB 989 162 3.2 64
Show 21268+3731 SEI1516 AB 335 3.9 65
Show 21268+3731 HEI9004 AC 275 25.5 65
Show 21268+3731 HEI9004 AD 335 109.8 65
Show 21328+3904 A 1443 249 0.2 66
Show 21222+3848 TDT2929 29 0.6 67
Show 21289+3941 MLB 986 58 4.5 68
Show 21243+3740 WSI 7 44 0.1 70
Show 21241+3741 SEI1458 312 7.9 70
Show 21276+3944 MLB 985 256 3.3 70
Show 21295+3728 SEI1519 181 13.8 70
Show 21300+3941 KPP 495 150 3.9 71
Show 21228+3754 WIS 349 176 44.9 72
Show 21340+3844 COU1976 30 0.4 73
Show 21336+3905 COU1975 AB 359 21.4 75
Show 21336+3905 COU1975 Aa,Ab 331 0.3 75
Show 21317+3730 GRV 474 236 24.6 79

 
 
WDS 21278+3835 : COMPONENTS
 
 
  A B C
B pa=271.5°
sep=3.06"
 
C pa=201.1°
sep=13.73"
pa=188.3°
sep=13.03"
 
D pa=228.0°
sep=22.08"
pa=222.0°
sep=19.97"
pa=260.3°
sep=11.63"
 
 
21278+3835 A
 
 
Coord arcsec 2000 212749.16+383445.2 Mag 10.02 Spectral class F8 (yellow-white) PmRA 6.00
PmDE -19.0
CCDM
Ccdm 21278+3835 RComp Comp A Note1
Note2 Discov num DRAs 1.24 DDEs -14.7
R dRAs 20 Year Theta Rho
Obs 4 Vmag 10.2 Sp PmNote
PmRA 24 PmDE -30 Dm number +37 4317 Cat1 BD
Name2 +38 2214 Cat2 AGK2/3 HD M HD
ADS BDS A14995 M ADS BDS N IDS IDS 21237N3809A
HIC
 
 
21278+3835 B
 
 
Coord arcsec 2000 212748.90+383445.3 Mag 10.57 PmRA 6.00 PmDE -20.0
Tycho2 3182-03296-2 Calc delta mag 0.55 Calc coord yes
Tycho2
Tycho2 3182-03296-2 Pflag RAmdeg 321.95343838 DEmdeg 38.57925768
PmRA -25.0 PmDE -12.6 E RAmdeg 25 E DEmdeg 22
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.44 EpDEm 1989.96
Num 4 Q RAmdeg 2.1 Q DEmdeg 0.1 Q pmRA 2.1
Q pmDE 0.1 BTmag 10.993 E BTmag 0.039 VTmag 10.571
E VTmag 0.036 Prox 38 TYC T HIP
CCDM RAdeg 321.95351167 DEdeg 38.57928667 EpRA 1990 1.64
EpDE 1990 1.68 E RAdeg 24.5 E DEdeg 22.4 Posflg
Corr 0.1
CCDM
Ccdm 21278+3835 RComp Comp B Note1
Note2 Discov num KU 61 DRAs 0.88 DDEs -14.9
R dRAs 20 Year 1901 Theta 271 Rho 3.7
Obs 6 Vmag 10.7 Sp PmNote
PmRA 24 PmDE -30 Dm number Cat1
Name2 +38 2213 Cat2 AGK2/3 HD M HD
ADS BDS A14995 M ADS BDS N IDS IDS 21237N3809B
HIC
 
 
21278+3835 C
 
 
Coord arcsec 2000 212748.74+383432.4 Mag 13.2 PmRA -44.00 PmDE -38.0
Calc delta mag 3.18 Calc coord yes
CCDM
Ccdm 21278+3835 RComp Comp C Note1
Note2 Discov num KU 61 DRAs DDEs
R dRAs Year 1912 Theta 190 Rho 11.7
Obs 2 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14995 M ADS BDS N IDS IDS 21237N3809C
HIC
 
 
21278+3835 D
 
 
Coord arcsec 2000 212747.76+383430.4 Mag 13.5 Calc delta mag 3.48 Calc coord yes
CCDM
Ccdm 21278+3835 RComp Comp D Note1
Note2 Discov num KU 61 DRAs -0.56 DDEs -30.0
R dRAs 65 Year 1912 Theta 230 Rho 21.0
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14995 M ADS BDS N IDS IDS 21237N3809D
HIC