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Current system
20503+3151
TDT 2570


Nearby doubles
16' : 20491+3148
ES 370

22' : 20487+3159
ES 369

30' : 20493+3217
LDS2931AB

33' : 20529+3154
GYL 40

34' : 20487+3124
TDT2555

34' : 20529+3149
A 1213

38' : 20528+3132
TDT2599

38' : 20530+3136
TDT2602

40' : 20493+3113
TDS1101

42' : 20535+3156
GYL 41

42' : 20492+3111
LDS2930

43' : 20491+3230
GYL 70

43' : 20470+3156
GYL 71

44' : 20536+3138
HDS2976

45' : 20471+3210
ARY 61

49' : 20531+3221
ES 2379

49' : 20515+3104
NSN 737AB

50' : 20534+3220
ES 2380

50' : 20464+3155
TDT2532

55' : 20534+3113
TDT2609

55' : 20540+3220
TDT2615

56' : 20540+3124
ES 371

56' : 20506+3055
BU 67AB

62' : 20525+3246
GYL 39

62' : 20483+3247
TDT2550

63' : 20478+3057
ES 368



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

20503+3151 TDT 2570

 
 
20h 50m 18.12s +31° 50' 37.5" P.A. 262.00 sep 3.2 mag 11.87,12.47
 
 
Coord 2000 20503+3151 Discov num TDT2570 Comp Coord arcsec 2000 20 50 18.12 +31 50 37.5
Date first 1991 Date last 2015 Obs 5
Pa first 266 Pa last 262 P.A. Now (θ) 262°
Sep first 3.1 Sep last 3.227 Sep. Now (ρ) 3.227"
Mag pri 11.87 Mag sec 12.47 delta mag (ΔM) 0.6 Spectral class
Pri motion ra +025 Sec motion ra +008
Pri motion dec +000 Sec motion dec -009
Notes
rPM=0.769
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2687-00892-1 Gaia DR2 1859882123782338944
 
 
WDS 20503+3151 TDT 2570 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20503+3151 TDT2570 1999 2 263 3.3 11.87 12.47 D 205018.12+315037.5
20503+3151 TDT2570 2002 3 263 3.2 11.87 12.47 D 205018.12+315037.5
20503+3151 TDT2570 2015 4 262 3.2 11.87 12.47 205018.12+315037.5

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

 
 
WDS 20503+3151 TDT 2570 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20503+3151 TDT 2570 : MEASURES
 
 
No records found.

 
 
WDS 20503+3151 : VIRTUAL EYEPIECE
 
 

20503+3151 TDT2570A mag 11.87 20503+3151 TDT2570B sep 2.8 P.A. 260.60 mag 12.47 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 20503+3151 : ALADIN DSS IMAGE @ 20h 50m 18.12s +31° 50' 37.5"
 
 
 
 
WDS 20503+3151 TDT 2570 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20503+3151 TDT2570 distance=0' 20491+3148 ES 370 distance=16' 20487+3159 ES 369 distance=22' 20493+3217 LDS2931AB distance=30' 20493+3217 HLA 28AC distance=30' 20529+3154 GYL 40 distance=33' 20487+3124 TDT2555 distance=34' 20529+3149 A 1213 distance=34' 20528+3132 TDT2599 distance=38' 20530+3136 TDT2602 distance=38' 20493+3113 TDS1101 distance=40' 20535+3156 GYL 41 distance=42' 20492+3111 LDS2930 distance=42' 20491+3230 GYL 70 distance=43' 20470+3156 GYL 71 distance=43' 20536+3138 HDS2976 distance=44' 20471+3210 ARY 61 distance=45' 20531+3221 ES 2379 distance=49' 20515+3104 NSN 737AB distance=49' 20515+3104 RAO 676AC distance=49' 20534+3220 ES 2380 distance=50' 20464+3155 TDT2532 distance=50' 20534+3113 TDT2609 distance=55' 20540+3220 TDT2615 distance=55' 20540+3124 ES 371 distance=56' 20506+3055 BU 67AB distance=56' 20506+3055 GII 293Aa,Ab distance=56' 20525+3246 GYL 39 distance=62' 20483+3247 TDT2550 distance=62' 20478+3057 ES 368 distance=63' 20554+3147 TDT2630 distance=65' 20538+3104 CLL 16 distance=65' 20452+3146 ARY 86 distance=65' 20484+3049 TDT2552 distance=67' 20553+3214 GYL 42 distance=68' 20535+3057 STTA212 distance=68' 20521+3254 TDT2591 distance=68' 20447+3146 TDT2513 distance=72' 20559+3206 STT 421AB distance=72' 20559+3206 HU 1655AC distance=72' 20559+3206 FYM 140AD distance=72' 20469+3252 ARG 93 distance=75' 20477+3258 COU1634 distance=76' 20562+3158 ES 372 distance=77' 20525+3040 TDT2594 distance=77' 20523+3038 LDS6417 distance=78' 20548+3242 STT 418 distance=78' 20554+3059 J 2329 distance=78' 20455+3102 A 1211 distance=79' 20532+3301 ES 2356 distance=80' 20452+3240 TDT2517 distance=82' 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 20503+3151 TDT2570 262 3.2 0
Show 20491+3148 ES 370 44 7.7 16
Show 20487+3159 ES 369 316 7.1 22
Show 20493+3217 LDS2931 AB 246 34.4 30
Show 20493+3217 HLA 28 AC 125 5.3 30
Show 20529+3154 GYL 40 22 23.0 33
Show 20487+3124 TDT2555 188 0.9 34
Show 20529+3149 A 1213 178 3.3 34
Show 20528+3132 TDT2599 325 1.7 38
Show 20530+3136 TDT2602 64 0.6 38
Show 20493+3113 TDS1101 231 1.2 40
Show 20535+3156 GYL 41 203 34.2 42
Show 20492+3111 LDS2930 273 22.2 42
Show 20491+3230 GYL 70 188 61.2 43
Show 20470+3156 GYL 71 46 24.4 43
Show 20536+3138 HDS2976 248 0.3 44
Show 20471+3210 ARY 61 237 99.4 45
Show 20531+3221 ES 2379 115 7.0 49
Show 20515+3104 NSN 737 AB 134 1.4 49
Show 20515+3104 RAO 676 AC 22 4.5 49
Show 20534+3220 ES 2380 333 5.5 50
Show 20464+3155 TDT2532 127 1.8 50
Show 20534+3113 TDT2609 11 0.5 55
Show 20540+3220 TDT2615 281 0.4 55
Show 20540+3124 ES 371 134 3.5 56
Show 20506+3055 BU 67 AB 311 1.5 56
Show 20506+3055 GII 293 Aa,Ab 137 0.1 56
Show 20525+3246 GYL 39 83 14.9 62
Show 20483+3247 TDT2550 132 0.9 62
Show 20478+3057 ES 368 359 3.1 63
Show 20554+3147 TDT2630 86 1.9 65
Show 20538+3104 CLL 16 184 32.0 65
Show 20452+3146 ARY 86 22 78.4 65
Show 20484+3049 TDT2552 124 2.3 67
Show 20553+3214 GYL 42 26 15.1 68
Show 20535+3057 STTA212 155 65.7 68
Show 20521+3254 TDT2591 5 0.5 68
Show 20447+3146 TDT2513 329 0.6 72
Show 20559+3206 STT 421 AB 194 34.8 72
Show 20559+3206 HU 1655 AC 73 30.6 72
Show 20559+3206 FYM 140 AD 162 29.5 72
Show 20469+3252 ARG 93 87 10.9 75
Show 20477+3258 COU1634 61 0.4 76
Show 20562+3158 ES 372 146 3.5 77
Show 20525+3040 TDT2594 160 0.8 77
Show 20523+3038 LDS6417 295 228.9 78
Show 20548+3242 STT 418 283 0.9 78
Show 20554+3059 J 2329 11 6.5 78
Show 20455+3102 A 1211 242 3.6 79
Show 20532+3301 ES 2356 250 5.0 80
Show 20452+3240 TDT2517 144 1.6 82

 
 
WDS 20503+3151 : COMPONENTS
 
 
  A
B pa=260.6°
sep=2.75"
 
 
20503+3151 A
 
 
Coord arcsec 2000 205018.12+315037.5 Mag 11.87 PmRA 25.00 PmDE 0.0
Tycho2 2687-00892-1
Tycho2
Tycho2 2687-00892-1 Pflag RAmdeg 312.57550266 DEmdeg 31.84374550
PmRA 7.6 PmDE -8.7 E RAmdeg 56 E DEmdeg 46
E pmRA 2.1 E pmDE 2.0 EpRAm 1981.94 EpDEm 1984.65
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.9 Q pmRA 1.5
Q pmDE 1.9 BTmag 12.377 E BTmag 0.115 VTmag 12.027
E VTmag 0.116 Prox 950 TYC HIP
CCDM RAdeg 312.57548361 DEdeg 31.84376778 EpRA 1990 1.68
EpDE 1990 1.79 E RAdeg 60.0 E DEdeg 48.2 Posflg
Corr 0.2
 
 
20503+3151 B
 
 
Coord arcsec 2000 205017.91+315037.1 Mag 12.47 PmRA 8.00 PmDE -9.0
Calc delta mag 0.6 Calc coord yes