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Current system
21291+4202
TDT 2987


Nearby doubles
20' : 21306+4213
STT 441AB

22' : 21302+4143
COU1973

31' : 21304+4229
TDT3003

33' : 21309+4228
TDT3004AB

33' : 21261+4203
COU2307

36' : 21322+4155
TDT3016

37' : 21268+4228
A 619

40' : 21260+4144
BLL 54

46' : 21256+4138
A 618

50' : 21330+4139
TDT3024

51' : 21336+4209
KPP4237

53' : 21281+4110
COU2231

56' : 21340+4156
J 3142

56' : 21330+4127
TDT3025

60' : 21265+4254
TDT2967

61' : 21286+4102
UC 262

62' : 21260+4112
HDS3052

62' : 21250+4122
ES 1692

65' : 21280+4305
HO 160

65' : 21235+4147
TDT2939

66' : 21296+4307
COU2232

74' : 21248+4106
COU2305

76' : 21273+4315
HJ 1646

77' : 21279+4046
TDT2979

77' : 21333+4306
ES 1455

79' : 21361+4206
TDT3050



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21291+4202 TDT 2987

 
 
21h 29m 05.45s +42° 01' 45.8" P.A. 37.00 sep 0.5 mag 10.70,11.00
 
 
Coord 2000 21291+4202 Discov num TDT2987 Comp Coord arcsec 2000 21 29 05.45 +42 01 45.8
Date first 1991 Date last 1991 Obs 1
Pa first 37 Pa last 37.2 P.A. Now (θ) 37.2°
Sep first 0.5 Sep last 0.46 Sep. Now (ρ) 0.46"
Mag pri 10.70 Mag sec 11.00 delta mag (ΔM) 0.3 Spectral class
Pri motion ra +007 Sec motion ra +007
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3190-01046-1 Gaia DR2 1967190614665920384
 
 
WDS 21291+4202 TDT 2987 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21291+4202 TDT2987 1991 1 37 0.5 10.70 11.00 212905.45+420145.8

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

 
 
WDS 21291+4202 TDT 2987 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21291+4202 TDT 2987 : MEASURES
 
 
No records found.

 
 
WDS 21291+4202 : VIRTUAL EYEPIECE
 
 

21291+4202 TDT2987A mag 10.7 21291+4202 TDT2987B sep 0.4 P.A. 29.40 mag 11 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 21291+4202 : ALADIN DSS IMAGE @ 21h 29m 05.45s +42° 01' 45.8"
 
 
 
 
WDS 21291+4202 TDT 2987 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21291+4202 TDT2987 distance=0' 21306+4213 STT 441AB distance=20' 21306+4213 FYM 336AC distance=20' 21306+4213 FYM 336AD distance=20' 21302+4143 COU1973 distance=22' 21304+4229 TDT3003 distance=31' 21309+4228 TDT3004AB distance=33' 21261+4203 COU2307 distance=33' 21322+4155 TDT3016 distance=36' 21268+4228 A 619 distance=37' 21260+4144 BLL 54 distance=40' 21256+4138 A 618 distance=46' 21330+4139 TDT3024 distance=50' 21336+4209 KPP4237 distance=51' 21281+4110 COU2231 distance=53' 21340+4156 J 3142 distance=56' 21330+4127 TDT3025 distance=56' 21265+4254 TDT2967 distance=60' 21286+4102 UC 262 distance=61' 21260+4112 HDS3052 distance=62' 21250+4122 ES 1692 distance=62' 21280+4305 HO 160 distance=65' 21235+4147 TDT2939 distance=65' 21296+4307 COU2232 distance=66' 21248+4106 COU2305 distance=74' 21273+4315 HJ 1646 distance=76' 21279+4046 TDT2979 distance=77' 21333+4306 ES 1455 distance=77' 21361+4206 TDT3050 distance=79' 21302+4044 MLB 26 distance=79' 21354+4128 GRV 480 distance=79' 21360+4237 ES 1457AB distance=85' 21232+4258 COU2304AB distance=86' 21232+4258 GII 32AB,C distance=86' 21257+4043 COU2306 distance=87' 21331+4047 GRV 477 distance=87' 21355+4300 ES 1456 distance=92' 21208+4206 GRV 453 distance=92' 21213+4235 LDS2513 distance=93' 21373+4145 GRV 486 distance=94' 21362+4253 HO 463 distance=94' 21206+4215 LDS2511AB distance=96' 21206+4215 LDS2511AC distance=96' 21206+4219 WSI 16 distance=97' 21209+4127 HO 156 distance=99' 21380+4153 A 402 distance=100' 21360+4307 TDT3049 distance=101' 21365+4105 TDT3055 distance=101' 21346+4322 AG 418 distance=101' 21202+4207 ES 1584 distance=102' 21214+4301 ES 1585AB distance=103' 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 21291+4202 TDT2987 37 0.5
Show 21306+4213 STT 441 AB 328 6.1 20
Show 21306+4213 FYM 336 AC 123 9.5 20
Show 21306+4213 FYM 336 AD 280 19.4 20
Show 21302+4143 COU1973 194 0.8 22
Show 21304+4229 TDT3003 309 0.5 31
Show 21309+4228 TDT3004 AB 164 5.9 33
Show 21261+4203 COU2307 21 1.2 33
Show 21322+4155 TDT3016 356 0.6 36
Show 21268+4228 A 619 61 0.7 37
Show 21260+4144 BLL 54 296 80.7 40
Show 21256+4138 A 618 276 0.6 46
Show 21330+4139 TDT3024 316 0.5 50
Show 21336+4209 KPP4237 146 25.1 51
Show 21281+4110 COU2231 35 0.1 53
Show 21340+4156 J 3142 57 5.8 56
Show 21330+4127 TDT3025 55 0.5 56
Show 21265+4254 TDT2967 4 1.4 60
Show 21286+4102 UC 262 199 48.3 61
Show 21260+4112 HDS3052 260 0.2 62
Show 21250+4122 ES 1692 313 3.8 62
Show 21280+4305 HO 160 182 2.0 65
Show 21235+4147 TDT2939 174 0.4 65
Show 21296+4307 COU2232 17 1.8 66
Show 21248+4106 COU2305 101 0.3 74
Show 21273+4315 HJ 1646 115 23.1 76
Show 21279+4046 TDT2979 135 0.4 77
Show 21333+4306 ES 1455 293 6.6 77
Show 21361+4206 TDT3050 310 0.7 79
Show 21302+4044 MLB 26 70 5.0 79
Show 21354+4128 GRV 480 17 15.1 79
Show 21360+4237 ES 1457 AB 77 3.7 85
Show 21232+4258 COU2304 AB 154 0.4 86
Show 21232+4258 GII 32 AB,C 49 5.4 86
Show 21257+4043 COU2306 18 0.7 87
Show 21331+4047 GRV 477 316 21.5 87
Show 21355+4300 ES 1456 137 3.5 92
Show 21208+4206 GRV 453 27 66.2 92
Show 21213+4235 LDS2513 246 7.1 93
Show 21373+4145 GRV 486 348 28.0 94
Show 21362+4253 HO 463 180 0.5 94
Show 21206+4215 LDS2511 AB 40 3.0 96
Show 21206+4215 LDS2511 AC 197 19.7 96
Show 21206+4219 WSI 16 149 8.2 97
Show 21209+4127 HO 156 50 2.2 99
Show 21380+4153 A 402 47 0.8 100
Show 21360+4307 TDT3049 355 0.9 101
Show 21365+4105 TDT3055 247 0.5 101
Show 21346+4322 AG 418 113 13.9 101
Show 21202+4207 ES 1584 116 5.4 102
Show 21214+4301 ES 1585 AB 230 19.2 103

 
 
WDS 21291+4202 : COMPONENTS
 
 
  A
B pa=29.4°
sep=0.42"
 
 
21291+4202 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 212905.45+420145.8 Mag 10.7 PmRA 7.00
PmDE 3.0 Tycho2 3190-01046-1
Tycho2
Tycho2 3190-01046-1 Pflag RAmdeg 322.27273135 DEmdeg 42.02941506
PmRA 7.0 PmDE 2.8 E RAmdeg 23 E DEmdeg 23
E pmRA 1.4 E pmDE 1.3 EpRAm 1986.63 EpDEm 1986.93
Num 5 Q RAmdeg 1.3 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.5 BTmag 11.488 E BTmag 0.061 VTmag 10.211
E VTmag 0.033 Prox 999 TYC T HIP
CCDM RAdeg 322.27270889 DEdeg 42.02940972 EpRA 1990 1.67
EpDE 1990 1.73 E RAdeg 27.1 E DEdeg 26.3 Posflg
Corr 0.1
 
 
21291+4202 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212905.47+420146.2 Mag 11 PmRA 7.00
PmDE 3.0 Calc delta mag 0.3 Calc coord yes