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Doubles in session


Current system
20455+3102
A 1211


Nearby doubles
20' : 20456+3043
STF2726

27' : 20439+3119
ES 366

31' : 20478+3057
ES 368

36' : 20435+3127
TDT2499

40' : 20484+3049
TDT2552

41' : 20437+3137
LDS2929

42' : 20448+3022
AG 410

45' : 20452+3146
ARY 86

46' : 20447+3146
TDT2513

47' : 20487+3124
TDT2555

47' : 20419+3054
TDT2480

49' : 20492+3111
LDS2930

49' : 20451+3014
ES 367

51' : 20493+3113
TDS1101

53' : 20416+3117
TDT2474

53' : 20475+3016
COU1176

54' : 20464+3155
TDT2532

55' : 20414+3049
TDS1091

58' : 20470+3156
GYL 71

61' : 20410+3047
TDT2470

62' : 20408+3115
TDT2468

62' : 20439+3005
TDS1097

65' : 20483+3009
TDT2551

66' : 20491+3148
ES 370

66' : 20506+3055
BU 67AB

71' : 20487+3159
ES 369



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

20455+3102 A 1211

 
 
20h 45m 30.74s +31° 02' 19.5" P.A. 242.00 sep 3.6 mag 8.98,14.70 Sp K5
 
 
Coord 2000 20455+3102 Discov num A  1211 Comp Coord arcsec 2000 20 45 30.74 +31 02 19.5
Date first 1905 Date last 2015 Obs 6
Pa first 239 Pa last 241.7 P.A. Now (θ) 241.7°
Sep first 3.0 Sep last 3.601 Sep. Now (ρ) 3.601"
Mag pri 8.98 Mag sec 14.70 delta mag (ΔM) 5.72 Spectral class K5 (yellow-orange)
Pri motion ra +007 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70464 Tycho2 2687-00801-1 Gaia DR2 1859726237955294336
HD 335011
 
 
WDS 20455+3102 A 1211 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
20455+3102 A 1211 1929 3 238 3.0 8.98 14.70 K5 +30 4166 204530.74+310219.5
20455+3102 A 1211 2015 4 242 3.6 8.98 14.70 K5 +30 4166 S 204530.74+310219.5

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

 
 
WDS 20455+3102 A 1211 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20455+3102 A 1211 : MEASURES
 
 
No records found.

 
 
WDS 20455+3102 : VIRTUAL EYEPIECE
 
 

20455+3102 A 1211A mag 8.98 Sp K5 20455+3102 A 1211B sep 3.6 P.A. 241.70 mag 14.7 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 20455+3102 : ALADIN DSS IMAGE @ 20h 45m 30.74s +31° 02' 19.5"
 
 
 
 
WDS 20455+3102 A 1211 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20455+3102 A 1211 distance=0' 20456+3043 STF2726 distance=20' 20439+3119 ES 366 distance=27' 20478+3057 ES 368 distance=31' 20435+3127 TDT2499 distance=36' 20484+3049 TDT2552 distance=40' 20437+3137 LDS2929 distance=41' 20448+3022 AG 410 distance=42' 20452+3146 ARY 86 distance=45' 20447+3146 TDT2513 distance=46' 20487+3124 TDT2555 distance=47' 20419+3054 TDT2480 distance=47' 20492+3111 LDS2930 distance=49' 20451+3014 ES 367 distance=49' 20493+3113 TDS1101 distance=51' 20416+3117 TDT2474 distance=53' 20475+3016 COU1176 distance=53' 20464+3155 TDT2532 distance=54' 20414+3049 TDS1091 distance=55' 20470+3156 GYL 71 distance=58' 20410+3047 TDT2470 distance=61' 20408+3115 TDT2468 distance=62' 20439+3005 TDS1097 distance=62' 20483+3009 TDT2551 distance=65' 20491+3148 ES 370 distance=66' 20506+3055 BU 67AB distance=66' 20506+3055 GII 293Aa,Ab distance=66' 20487+3159 ES 369 distance=71' 20471+3210 ARY 61 distance=72' 20401+3044 TDT2457Aa,Ab distance=72' 20401+3044 ROE 15AB distance=72' 20401+3044 ROE 15AC distance=72' 20423+3202 TDT2482 distance=72' 20413+3012 ARY 28AB distance=75' 20413+3012 ARY 28AC distance=75' 20435+3212 KPP1637 distance=75' 20506+3024 STT 415 distance=76' 20515+3104 NSN 737AB distance=77' 20515+3104 RAO 676AC distance=77' 20503+3151 TDT2570 distance=79' 20416+3000 COU1174 distance=81' 20391+3103 J 1238 distance=81' 20493+2957 TDS1102 distance=82' 20419+3210 TDT2479 distance=82' 20412+3001 COU1173 distance=82' 20396+3030 STF2711 distance=83' 20407+3007 TDT2467 distance=84' 20399+3154 TDT2456 distance=89' 20493+3217 LDS2931AB distance=89' 20493+3217 HLA 28AC distance=89' 20487+2943 TDT2556 distance=90' 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 20455+3102 A 1211 242 3.6 0
Show 20456+3043 STF2726 74 5.8 20
Show 20439+3119 ES 366 128 4.4 27
Show 20478+3057 ES 368 359 3.1 31
Show 20435+3127 TDT2499 80 0.4 36
Show 20484+3049 TDT2552 124 2.3 40
Show 20437+3137 LDS2929 219 2.5 41
Show 20448+3022 AG 410 187 19.0 42
Show 20452+3146 ARY 86 22 78.4 45
Show 20447+3146 TDT2513 329 0.6 46
Show 20487+3124 TDT2555 188 0.9 47
Show 20419+3054 TDT2480 147 0.6 47
Show 20492+3111 LDS2930 273 22.2 49
Show 20451+3014 ES 367 244 6.9 49
Show 20493+3113 TDS1101 231 1.2 51
Show 20416+3117 TDT2474 60 3.4 53
Show 20475+3016 COU1176 45 0.4 53
Show 20464+3155 TDT2532 104 4.6 54
Show 20414+3049 TDS1091 350 0.8 55
Show 20470+3156 GYL 71 46 24.4 58
Show 20410+3047 TDT2470 181 2.5 61
Show 20408+3115 TDT2468 247 1.9 62
Show 20439+3005 TDS1097 357 0.9 62
Show 20483+3009 TDT2551 41 3.2 65
Show 20491+3148 ES 370 44 7.7 66
Show 20506+3055 BU 67 AB 311 1.5 66
Show 20506+3055 GII 293 Aa,Ab 137 0.1 66
Show 20487+3159 ES 369 316 7.1 71
Show 20471+3210 ARY 61 237 99.4 72
Show 20401+3044 TDT2457 Aa,Ab 139 0.9 72
Show 20401+3044 ROE 15 AB 249 7.6 72
Show 20401+3044 ROE 15 AC 257 30.4 72
Show 20423+3202 TDT2482 314 0.7 72
Show 20413+3012 ARY 28 AB 332 62.8 75
Show 20413+3012 ARY 28 AC 35 102.2 75
Show 20435+3212 KPP1637 225 12.6 75
Show 20506+3024 STT 415 234 3.7 76
Show 20515+3104 NSN 737 AB 134 1.4 77
Show 20515+3104 RAO 676 AC 22 4.5 77
Show 20503+3151 TDT2570 262 3.2 79
Show 20416+3000 COU1174 32 0.3 81
Show 20391+3103 J 1238 18 3.6 81
Show 20493+2957 TDS1102 19 1.1 82
Show 20419+3210 TDT2479 316 1.1 82
Show 20412+3001 COU1173 46 1.1 82
Show 20396+3030 STF2711 223 2.3 83
Show 20407+3007 TDT2467 55 2.9 84
Show 20399+3154 TDT2456 18 0.7 89
Show 20493+3217 LDS2931 AB 246 34.4 89
Show 20493+3217 HLA 28 AC 125 5.3 89
Show 20487+2943 TDT2556 280 0.8 90

 
 
WDS 20455+3102 : COMPONENTS
 
 
  A
B pa=241.7°
sep=3.60"
 
 
20455+3102 A
 
 
Coord arcsec 2000 204530.74+310219.5 Mag 8.98 Spectral class K5 (yellow-orange) PmRA 7.00
PmDE 0.0 Tycho2 2687-00801-1 HD 335011
Tycho2
Tycho2 2687-00801-1 Pflag RAmdeg 311.37809111 DEmdeg 31.03875196
PmRA 3.1 PmDE -2.6 E RAmdeg 9 E DEmdeg 9
E pmRA 1.5 E pmDE 1.4 EpRAm 1990.97 EpDEm 1990.89
Num 8 Q RAmdeg 1.6 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 11.088 E BTmag 0.037 VTmag 8.984
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 311.37808361 DEdeg 31.03875917 EpRA 1990 1.67
EpDE 1990 1.71 E RAdeg 8.8 E DEdeg 8.7 Posflg
Corr 0.3
CCDM
Ccdm 20455+3102 RComp Comp A Note1
Note2 Discov num DRAs 0.74 DDEs 20.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp PmNote *
PmRA 13 PmDE 6 Dm number +30 4166 Cat1 BD
Name2 +30 2198 Cat2 AGK2/3 HD M HD
ADS BDS A14254 M ADS BDS N IDS IDS 20414N3040A
HIC
 
 
20455+3102 B
 
 
Coord arcsec 2000 204530.49+310217.8 Mag 14.7 Delta magnitude 5.72 Coordinate calculated yes
CCDM
Ccdm 20455+3102 RComp Comp B Note1
Note2 Discov num A 1211 DRAs DDEs
R dRAs Year 1905 Theta 240 Rho 3.0
Obs 3 Vmag 14.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14254 M ADS BDS N IDS IDS 20414N3040B
HIC