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Current system
21260+4112
HDS 3052


Nearby doubles
15' : 21248+4106
COU2305

16' : 21250+4122
ES 1692

24' : 21281+4110
COU2231

28' : 21256+4138
A 618

29' : 21257+4043
COU2306

32' : 21286+4102
UC 262

32' : 21260+4144
BLL 54

34' : 21279+4046
TDT2979

45' : 21235+4147
TDT2939

50' : 21228+4031
HO 287

52' : 21219+4049
GRV 456

52' : 21261+4203
COU2307

53' : 21217+4053
ES 1691

56' : 21302+4044
MLB 26

58' : 21302+4143
COU1973

60' : 21209+4127
HO 156

62' : 21291+4202
TDT2987

73' : 21241+4002
ES 1994

74' : 21259+3959
TDT2958

76' : 21267+3957
MLB1021

77' : 21193+4108
TDT2901

77' : 21221+4011
ES 2518

77' : 21195+4048
TDT2903

77' : 21268+4228
A 619

78' : 21192+4102
HO 602

78' : 21264+3954
RAO 455



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

21260+4112 HDS 3052

 
 
21h 25m 59.21s +41° 11' 39.9" P.A. 260.00 sep 0.2 mag 9.84,12.81 Sp K0 dist. 331.13 pc (1080.15 l.y.)
 
 
Coord 2000 21260+4112 Discov num HDS3052 Comp Coord arcsec 2000 21 25 59.21 +41 11 39.9
Date first 1991 Date last 1991 Obs 1
Pa first 260 Pa last 260 P.A. Now (θ) 260°
Sep first 0.2 Sep last 0.233 Sep. Now (ρ) 0.233"
Mag pri 9.84 Mag sec 12.81 delta mag (ΔM) 2.97 Spectral class K0 (yellow-orange)
Pri motion ra -003 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 105824 Tycho2 3186-01346-1 Gaia DR2 1967043825563046016
BD BD+40 4521 Distance 331.13 Distance ly 1080.15
 
 
WDS 21260+4112 HDS 3052 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21260+4112 HDS3052 1991 1 260 0.2 9.84 12.81 K0 212559.21+411139.9

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

 
 
WDS 21260+4112 HDS 3052 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21260+4112 HDS 3052 : MEASURES
 
 
No records found.

 
 
WDS 21260+4112 : VIRTUAL EYEPIECE
 
 

21260+4112 HDS3052A mag 9.84 Sp K0 21260+4112 HDS3052B sep 0.2 P.A. 256.80 mag 12.81 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 21260+4112 : ALADIN DSS IMAGE @ 21h 25m 59.21s +41° 11' 39.9"
 
 
 
 
WDS 21260+4112 HDS 3052 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21260+4112 HDS3052 distance=0' 21248+4106 COU2305 distance=15' 21250+4122 ES 1692 distance=16' 21281+4110 COU2231 distance=24' 21256+4138 A 618 distance=28' 21257+4043 COU2306 distance=29' 21286+4102 UC 262 distance=32' 21260+4144 BLL 54 distance=32' 21279+4046 TDT2979 distance=34' 21235+4147 TDT2939 distance=45' 21228+4031 HO 287 distance=50' 21219+4049 GRV 456 distance=52' 21261+4203 COU2307 distance=52' 21217+4053 ES 1691 distance=53' 21302+4044 MLB 26 distance=56' 21302+4143 COU1973 distance=58' 21209+4127 HO 156 distance=60' 21291+4202 TDT2987 distance=62' 21241+4002 ES 1994 distance=73' 21259+3959 TDT2958 distance=74' 21267+3957 MLB1021 distance=76' 21193+4108 TDT2901 distance=77' 21221+4011 ES 2518 distance=77' 21195+4048 TDT2903 distance=77' 21268+4228 A 619 distance=77' 21192+4102 HO 602 distance=78' 21264+3954 RAO 455 distance=78' 21275+3954 MLB 984 distance=80' 21298+4005 TDT2995 distance=80' 21208+4206 GRV 453 distance=80' 21308+4013 MLB 896AB distance=80' 21308+4013 MLB 896AC distance=80' 21306+4213 STT 441AB distance=80' 21306+4213 FYM 336AC distance=80' 21306+4213 FYM 336AD distance=80' 21189+4102 HO 601AB distance=81' 21189+4102 HO 601AC distance=81' 21330+4127 TDT3025 distance=81' 21240+3954 TDT2944 distance=82' 21322+4155 TDT3016 distance=83' 21299+4001 MLB 960 distance=84' 21330+4139 TDT3024 distance=84' 21204+4017 RAO 451 distance=84' 21312+4013 MLB 897 distance=85' 21331+4047 GRV 477 distance=85' 21209+4010 UC 259AB distance=85' 21215+4002 SEI1511 distance=87' 21202+4207 ES 1584 distance=88' 21206+4215 LDS2511AB distance=88' 21206+4215 LDS2511AC distance=88' 21212+4003 COU2230 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 21260+4112 HDS3052 260 0.2
Show 21248+4106 COU2305 101 0.3 15
Show 21250+4122 ES 1692 313 3.8 16
Show 21281+4110 COU2231 35 0.1 24
Show 21256+4138 A 618 276 0.6 28
Show 21257+4043 COU2306 18 0.7 29
Show 21286+4102 UC 262 199 48.3 32
Show 21260+4144 BLL 54 296 80.7 32
Show 21279+4046 TDT2979 135 0.4 34
Show 21235+4147 TDT2939 174 0.4 45
Show 21228+4031 HO 287 6 2.7 50
Show 21219+4049 GRV 456 56 36.5 52
Show 21261+4203 COU2307 21 1.2 52
Show 21217+4053 ES 1691 174 5.3 53
Show 21302+4044 MLB 26 70 5.0 56
Show 21302+4143 COU1973 194 0.8 58
Show 21209+4127 HO 156 50 2.2 60
Show 21291+4202 TDT2987 37 0.5 62
Show 21241+4002 ES 1994 106 4.3 73
Show 21259+3959 TDT2958 109 0.9 74
Show 21267+3957 MLB1021 81 3.6 76
Show 21193+4108 TDT2901 306 0.5 77
Show 21221+4011 ES 2518 247 2.7 77
Show 21195+4048 TDT2903 9 0.4 77
Show 21268+4228 A 619 61 0.7 77
Show 21192+4102 HO 602 27 4.2 78
Show 21264+3954 RAO 455 345 1.4 78
Show 21275+3954 MLB 984 94 5.2 80
Show 21298+4005 TDT2995 137 2.3 80
Show 21208+4206 GRV 453 27 66.2 80
Show 21308+4013 MLB 896 AB 340 3.1 80
Show 21308+4013 MLB 896 AC 69 29.0 80
Show 21306+4213 STT 441 AB 328 6.1 80
Show 21306+4213 FYM 336 AC 123 9.5 80
Show 21306+4213 FYM 336 AD 280 19.4 80
Show 21189+4102 HO 601 AB 176 17.1 81
Show 21189+4102 HO 601 AC 82 56.7 81
Show 21330+4127 TDT3025 55 0.5 81
Show 21240+3954 TDT2944 186 1.6 82
Show 21322+4155 TDT3016 356 0.6 83
Show 21299+4001 MLB 960 335 4.7 84
Show 21330+4139 TDT3024 316 0.5 84
Show 21204+4017 RAO 451 116 2.8 84
Show 21312+4013 MLB 897 23 4.9 85
Show 21331+4047 GRV 477 316 21.5 85
Show 21209+4010 UC 259 AB 110 55.0 85
Show 21215+4002 SEI1511 283 28.5 87
Show 21202+4207 ES 1584 116 5.4 88
Show 21206+4215 LDS2511 AB 40 3.0 88
Show 21206+4215 LDS2511 AC 197 19.7 88
Show 21212+4003 COU2230 81 0.4 88

 
 
WDS 21260+4112 : COMPONENTS
 
 
  A
B pa=256.8°
sep=0.18"
 
 
21260+4112 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212559.21+411139.9 Mag 9.84 Spectral class K0 (yellow-orange)
PmRA -3.00 PmDE 0.0 HIP 105824 Tycho2 3186-01346-1
BD BD+40 4521
Tycho2
Tycho2 3186-01346-1 Pflag RAmdeg 321.49670964 DEmdeg 41.19442596
PmRA -3.2 PmDE -0.6 E RAmdeg 16 E DEmdeg 16
E pmRA 1.3 E pmDE 1.3 EpRAm 1988.98 EpDEm 1989.77
Num 6 Q RAmdeg 1.1 Q DEmdeg 1.3 Q pmRA 1.2
Q pmDE 1.3 BTmag 10.967 E BTmag 0.041 VTmag 9.706
E VTmag 0.022 Prox 999 TYC T HIP 105824
CCDM AB RAdeg 321.49672306 DEdeg 41.19442611 EpRA 1990 1.59
EpDE 1990 1.69 E RAdeg 16.7 E DEdeg 16.2 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 105824 Proxy H RAhms 21 25 59.21
DEdms +41 11 39.9 Vmag 9.61 VarFlag R Vmag H
RAdeg 321.497 DEdeg 41.1944 AstroRef * Plx 3.53
CCDM 21260+4112 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual C M HIP AB
Theta 260 Rho 0.233 HD BD BD+40 4521
CD CP Dm number +40 4521 VIred 1.09
SpType K0 R SpType Coord arcsec 2000 212559.21+411139.9
Hipparcos 2
HIP 105824 Sn 55 So 3 Nc 2
RArad 5.6111763833 DErad 0.7189783359 Plx 3.02 PmRA -2.78
PmDE -1.79 E RArad 0.95 E DErad 1.11 E Plx 1.46
E pmRA 1.1 E pmDE 1.35 Hpmag 9.7745 E Hpmag 0.0025
SHp 0.023 VA 0 BV 1.054 E BV 0.041
VI 1.02
CCDM
Ccdm 21260+4112 RComp Comp A Note1
Note2 Discov num DRAs -0.78 DDEs -20.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.8 Sp K0 PmNote *
PmRA -3 PmDE 0 Dm number +40 4521 Cat1 BD
Name2 +40 2203 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105824
 
 
21260+4112 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212559.19+411139.9 Mag 12.81 Calc delta mag 2.97
Calc coord yes
CCDM
Ccdm 21260+4112 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.80 DDEs -20.1
R dRAs 82 Year 1991 Theta 260 Rho 0.2
Obs 1 Vmag 12.8 Sp PmNote *
PmRA -3 PmDE 0 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105824