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Doubles in session


Current system
20471+0253
TDT 2536


Nearby doubles
7' : 20472+0247
UC 4286

35' : 20481+0224
BAL2035

45' : 20459+0211
GRV 377

52' : 20466+0344
BAL2545

54' : 20460+0344
BAL2544

58' : 20455+0201
BAL1571

59' : 20504+0222
GWP3004

60' : 20431+0253
AG 262

64' : 20510+0227
BAL2037

66' : 20452+0352
UC 4280

67' : 20493+0156
OSO 136

71' : 20510+0211
BAL1573

72' : 20424+0304
KPP3360

72' : 20510+0210
BAL1574

73' : 20485+0143
RST5471

74' : 20427+0217
GRV 370

74' : 20434+0204
GWP2989

78' : 20484+0407
BAL2546

78' : 20419+0258
HJ 2988

80' : 20521+0225
TDT2592

83' : 20525+0310
GWP3009

85' : 20419+0218
UC 252

87' : 20414+0244
GWP2984

87' : 20513+0353
GWP3006

89' : 20528+0311
HLD 43

90' : 20521+0205
A 2286AB



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

20471+0253 TDT 2536

 
 
20h 47m 04.45s +02° 52' 56.8" P.A. 352.00 sep 1.6 mag 11.09,11.79 Sp A2
 
 
Coord 2000 20471+0253 Discov num TDT2536 Comp Coord arcsec 2000 20 47 04.45 +02 52 56.8
Date first 1991 Date last 2016 Obs 3
Pa first 348 Pa last 351.6 P.A. Now (θ) 351.6°
Sep first 1.6 Sep last 1.592 Sep. Now (ρ) 1.592"
Mag pri 11.09 Mag sec 11.79 delta mag (ΔM) 0.7 Spectral class A2 (white)
Pri motion ra +008 Sec motion ra +008
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 0516-00242-1 Gaia DR2 1733962517410374272
 
 
WDS 20471+0253 TDT 2536 : 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
20471+0253 TDT2536 1991 1 348 1.6 11.09 11.79 204704.45+025256.8
20471+0253 TDT2536 2015 2 352 1.6 11.09 11.79 A2 204704.45+025256.8
20471+0253 TDT2536 2016 3 352 1.6 11.09 11.79 A2 204704.45+025256.8

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

 
 
WDS 20471+0253 TDT 2536 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20471+0253 TDT 2536 : MEASURES
 
 
No records found.

 
 
WDS 20471+0253 : VIRTUAL EYEPIECE
 
 

20471+0253 TDT2536A mag 11.09 Sp A2 20471+0253 TDT2536B sep 1.6 P.A. 351.60 mag 11.79 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20471+0253 : ALADIN DSS IMAGE @ 20h 47m 04.45s +02° 52' 56.8"
 
 
 
 
WDS 20471+0253 TDT 2536 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20471+0253 TDT2536 distance=0' 20472+0247 UC 4286 distance=7' 20481+0224 BAL2035 distance=35' 20459+0211 GRV 377 distance=45' 20466+0344 BAL2545 distance=52' 20460+0344 BAL2544 distance=54' 20455+0201 BAL1571 distance=58' 20504+0222 GWP3004 distance=59' 20431+0253 AG 262 distance=60' 20510+0227 BAL2037 distance=64' 20452+0352 UC 4280 distance=66' 20493+0156 OSO 136 distance=67' 20510+0211 BAL1573 distance=71' 20424+0304 KPP3360 distance=72' 20510+0210 BAL1574 distance=72' 20485+0143 RST5471 distance=73' 20427+0217 GRV 370 distance=74' 20434+0204 GWP2989 distance=74' 20484+0407 BAL2546 distance=78' 20419+0258 HJ 2988 distance=78' 20521+0225 TDT2592 distance=80' 20525+0310 GWP3009 distance=83' 20419+0218 UC 252 distance=85' 20414+0244 GWP2984 distance=87' 20513+0353 GWP3006 distance=87' 20528+0311 HLD 43 distance=89' 20521+0205 A 2286AB distance=90' 20521+0205 A 2286AB,C distance=90' 20473+0426 UC 4288 distance=93' 20413+0216 BAL1569 distance=95' 20484+0426 AG 267 distance=96' 20535+0300 HEI 819 distance=97' 20418+0156 GWP2986 distance=98' 20529+0337 BAL2547 distance=98' 20457+0430 A 2285AB distance=100' 20457+0430 A 2285AC distance=100' 20412+0338 BAL2543 distance=100' 20403+0326 STT 409AB distance=107' 20403+0326 STT 409AC distance=107' 20414+0147 BAL1570 distance=108' 20537+0336 BAL2548 distance=108' 20475+0105 BAL1220 distance=109' 20543+0321 BAL2039 distance=112' 20458+0445 BAL2971 distance=114' 20525+0416 TDT2595 distance=116' 20403+0349 J 156 distance=116' 20537+0154 RST5473 distance=117' 20525+0130 BAL1575 distance=117' 20516+0431 KPP1501 distance=120' 20391+0312 BAL2032 distance=121' 20486-0055 BAL 616 distance=121' 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 20471+0253 TDT2536 352 1.6
Show 20472+0247 UC 4286 114 31.3 7
Show 20481+0224 BAL2035 304 12.9 35
Show 20459+0211 GRV 377 354 27.3 45
Show 20466+0344 BAL2545 281 11.8 52
Show 20460+0344 BAL2544 14 16.7 54
Show 20455+0201 BAL1571 307 6.8 58
Show 20504+0222 GWP3004 12 15.6 59
Show 20431+0253 AG 262 94 5.7 60
Show 20510+0227 BAL2037 2 6.4 64
Show 20452+0352 UC 4280 255 36.1 66
Show 20493+0156 OSO 136 109 12.8 67
Show 20510+0211 BAL1573 225 5.6 71
Show 20424+0304 KPP3360 234 1.5 72
Show 20510+0210 BAL1574 21 18.3 72
Show 20485+0143 RST5471 14 0.6 73
Show 20427+0217 GRV 370 313 25.4 74
Show 20434+0204 GWP2989 131 44.7 74
Show 20484+0407 BAL2546 40 9.6 78
Show 20419+0258 HJ 2988 142 23.2 78
Show 20521+0225 TDT2592 183 1.5 80
Show 20525+0310 GWP3009 237 76.6 83
Show 20419+0218 UC 252 164 62.6 85
Show 20414+0244 GWP2984 263 182.0 87
Show 20513+0353 GWP3006 117 24.4 87
Show 20528+0311 HLD 43 9 2.2 89
Show 20521+0205 A 2286 AB 5 0.0 90
Show 20521+0205 A 2286 AB,C 48 1.1 90
Show 20473+0426 UC 4288 79 48.6 93
Show 20413+0216 BAL1569 62 11.2 95
Show 20484+0426 AG 267 260 6.1 96
Show 20535+0300 HEI 819 135 0.2 97
Show 20418+0156 GWP2986 350 16.1 98
Show 20529+0337 BAL2547 220 8.5 98
Show 20457+0430 A 2285 AB 222 7.7 100
Show 20457+0430 A 2285 AC 116 33.4 100
Show 20412+0338 BAL2543 33 6.5 100
Show 20403+0326 STT 409 AB 84 16.8 107
Show 20403+0326 STT 409 AC 330 62.8 107
Show 20414+0147 BAL1570 12 5.1 108
Show 20537+0336 BAL2548 258 7.5 108
Show 20475+0105 BAL1220 193 21.1 109
Show 20543+0321 BAL2039 28 14.7 112
Show 20458+0445 BAL2971 21 17.1 114
Show 20525+0416 TDT2595 359 0.7 116
Show 20403+0349 J 156 21 2.3 116
Show 20537+0154 RST5473 20 3.0 117
Show 20525+0130 BAL1575 175 16.6 117
Show 20516+0431 KPP1501 50 11.3 120
Show 20391+0312 BAL2032 33 16.3 121
Show 20486-0055 BAL 616 206 2.4 121

 
 
WDS 20471+0253 : COMPONENTS
 
 
  A
B pa=351.6°
sep=1.59"
 
 
20471+0253 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204704.45+025256.8 Mag 11.09 Spectral class A2 (white)
PmRA 8.00 PmDE -15.0 Tycho2 0516-00242-1
Tycho2
Tycho2 0516-00242-1 Pflag RAmdeg 311.76854087 DEmdeg 2.88243600
PmRA 8.2 PmDE -15.3 E RAmdeg 39 E DEmdeg 54
E pmRA 1.7 E pmDE 1.7 EpRAm 1984.17 EpDEm 1975.61
Num 3 Q RAmdeg 1.4 Q DEmdeg 0.1 Q pmRA 1.4
Q pmDE 0.1 BTmag 11.565 E BTmag 0.079 VTmag 11.143
E VTmag 0.087 Prox 999 TYC T HIP
CCDM RAdeg 311.76852167 DEdeg 2.88247361 EpRA 1990 1.67
EpDE 1990 1.16 E RAdeg 41.4 E DEdeg 60.2 Posflg
Corr 0.0
 
 
20471+0253 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204704.43+025258.4 Mag 11.79 PmRA 8.00
PmDE -15.0 Calc delta mag 0.7 Calc coord yes