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Doubles in session


Current system
17556+2102
TDT 577


Nearby doubles
26' : 17571+2047
RAO 382

29' : 17561+2130
STT 339

33' : 17534+2056
HO 562

36' : 17551+2137
KPP4067

36' : 17544+2030
BRT2837

48' : 17547+2016
OSO 88

58' : 17597+2110
TDT 618

68' : 18004+2112
A 1375

69' : 17588+2155
HJ 2816

73' : 17506+2046
GRV 966

76' : 17595+2009
UC 3465

83' : 18003+2154
A 1374AB

84' : 17597+2204
FAL 59

86' : 18001+2201
BRT2440

89' : 18015+2136
STF2264

92' : 18022+2058
BUP 178AB

93' : 18022+2055
LOC 2

93' : 17527+1940
BRT2439

96' : 18024+2050
TOK 56

96' : 18001+2215
TDT 622

99' : 17584+2233
TDS 893

104' : 18019+2156
TDT 646

105' : 17579+1923
KPP 406

108' : 17572+2247
UC 3453

109' : 17555+2250
GRV 970

109' : 18016+1953
RAO 383



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

17556+2102 TDT 577

 
 
17h 55m 38.73s +21° 02' 07.5" P.A. 150.00 sep 2.3 mag 12.14,12.37
 
 
Coord 2000 17556+2102 Discov num TDT 577 Comp Coord arcsec 2000 17 55 38.73 +21 02 07.5
Date first 1991 Date last 1991 Obs 1
Pa first 150 Pa last 149.8 P.A. Now (θ) 149.8°
Sep first 2.3 Sep last 2.33 Sep. Now (ρ) 2.33"
Mag pri 12.14 Mag sec 12.37 delta mag (ΔM) 0.23 Spectral class
Pri motion ra +012 Sec motion ra +012
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1565-00439-1 Gaia DR2 4576794704851337344
 
 
WDS 17556+2102 TDT 577 : 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
17556+2102 TDT 577 1991 1 150 2.3 12.14 12.37 175538.73+210207.5

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

 
 
WDS 17556+2102 TDT 577 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17556+2102 TDT 577 : MEASURES
 
 
No records found.

 
 
WDS 17556+2102 : VIRTUAL EYEPIECE
 
 

17556+2102 TDT 577A mag 12.14 17556+2102 TDT 577B sep 2.3 P.A. 151.50 mag 12.37 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17556+2102 : ALADIN DSS IMAGE @ 17h 55m 38.73s +21° 02' 07.5"
 
 
 
 
WDS 17556+2102 TDT 577 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17556+2102 TDT 577 distance=1' 17571+2047 RAO 382 distance=26' 17561+2130 STT 339 distance=29' 17534+2056 HO 562 distance=33' 17551+2137 KPP4067 distance=36' 17544+2030 BRT2837 distance=36' 17547+2016 OSO 88 distance=48' 17597+2110 TDT 618 distance=58' 18004+2112 A 1375 distance=68' 17588+2155 HJ 2816 distance=69' 17506+2046 GRV 966 distance=73' 17595+2009 UC 3465 distance=76' 18003+2154 A 1374AB distance=83' 18003+2154 LBU 6AB,C distance=83' 18003+2154 WSI 106Aa,Ab distance=83' 17597+2204 FAL 59 distance=84' 18001+2201 BRT2440 distance=86' 18015+2136 STF2264 distance=89' 18022+2058 BUP 178AB distance=92' 18022+2058 BUP 178AC distance=92' 18022+2055 LOC 2 distance=93' 17527+1940 BRT2439 distance=93' 18024+2050 TOK 56 distance=96' 18001+2215 TDT 622 distance=96' 17584+2233 TDS 893 distance=99' 18019+2156 TDT 646 distance=104' 17579+1923 KPP 406 distance=105' 17572+2247 UC 3453 distance=108' 17555+2250 GRV 970 distance=109' 18016+1953 RAO 383 distance=109' 17569+1906 RAO 381 distance=118' 17496+2226 COU 502 distance=119' 17546+2303 TDT 566 distance=122' 17481+2205 DAM 860 distance=122' 17533+1904 KU 56AB distance=124' 17533+1904 KU 56AC distance=124' 17589+2303 POU3332 distance=129' 17536+2307 HJ 2813 distance=129' 17572+2312 POU3329 distance=132' 18050+2127 STT 534 distance=133' 17543+2317 POU3322 distance=136' 17561+2319 TDT 581 distance=138' 17471+1945 UC 3405AB distance=143' 17471+1945 UC 3405AC distance=143' 17520+2317 TDT 541 distance=145' 18058+2127 STT 341AB distance=145' 18058+2127 STT 341AB,E distance=145' 18058+2127 STT 341AB,F distance=145' 18058+2127 STT 341AB,G distance=145' 18058+2127 MET 82AH distance=145' 18058+2127 MET 82AI distance=145' 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 17556+2102 TDT 577 150 2.3 1
Show 17571+2047 RAO 382 196 1.0 26
Show 17561+2130 STT 339 169 4.2 29
Show 17534+2056 HO 562 257 3.6 33
Show 17551+2137 KPP4067 301 31.9 36
Show 17544+2030 BRT2837 281 2.8 36
Show 17547+2016 OSO 88 34 27.9 48
Show 17597+2110 TDT 618 108 1.7 58
Show 18004+2112 A 1375 92 1.8 68
Show 17588+2155 HJ 2816 140 9.2 69
Show 17506+2046 GRV 966 84 27.8 73
Show 17595+2009 UC 3465 90 51.0 76
Show 18003+2154 A 1374 AB 210 0.5 83
Show 18003+2154 LBU 6 AB,C 298 76.4 83
Show 18003+2154 WSI 106 Aa,Ab 267 0.0 83
Show 17597+2204 FAL 59 332 16.6 84
Show 18001+2201 BRT2440 263 3.8 86
Show 18015+2136 STF2264 255 6.4 89
Show 18022+2058 BUP 178 AB 282 146.7 92
Show 18022+2058 BUP 178 AC 155 145.9 92
Show 18022+2055 LOC 2 13 14.4 93
Show 17527+1940 BRT2439 181 4.7 93
Show 18024+2050 TOK 56 335 0.1 96
Show 18001+2215 TDT 622 280 1.0 96
Show 17584+2233 TDS 893 280 0.8 99
Show 18019+2156 TDT 646 193 0.4 104
Show 17579+1923 KPP 406 52 3.8 105
Show 17572+2247 UC 3453 56 14.2 108
Show 17555+2250 GRV 970 153 44.4 109
Show 18016+1953 RAO 383 223 0.6 109
Show 17569+1906 RAO 381 45 0.2 118
Show 17496+2226 COU 502 40 2.0 119
Show 17546+2303 TDT 566 78 2.8 122
Show 17481+2205 DAM 860 314 6.0 122
Show 17533+1904 KU 56 AB 127 2.8 124
Show 17533+1904 KU 56 AC 3 25.2 124
Show 17589+2303 POU3332 163 7.3 129
Show 17536+2307 HJ 2813 223 21.3 129
Show 17572+2312 POU3329 197 2.8 132
Show 18050+2127 STT 534 269 2.3 133
Show 17543+2317 POU3322 302 13.2 136
Show 17561+2319 TDT 581 20 0.4 138
Show 17471+1945 UC 3405 AB 259 27.2 143
Show 17471+1945 UC 3405 AC 226 1.2 143
Show 17520+2317 TDT 541 223 0.6 145
Show 18058+2127 STT 341 AB 89 0.3 145
Show 18058+2127 STT 341 AB,E 38 66.5 145
Show 18058+2127 STT 341 AB,F 357 111.6 145
Show 18058+2127 STT 341 AB,G 239 132.5 145
Show 18058+2127 MET 82 AH 63 2.6 145
Show 18058+2127 MET 82 AI 111 6.5 145

 
 
WDS 17556+2102 : COMPONENTS
 
 
  A
B pa=151.5°
sep=2.29"
 
 
17556+2102 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175538.73+210207.5 Mag 12.14 PmRA 12.00
PmDE 3.0
 
 
17556+2102 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175538.81+210205.5 Mag 12.37 PmRA 12.00
PmDE 3.0 Tycho2 1565-00439-1 Calc delta mag 0.23 Calc coord yes
Tycho2
Tycho2 1565-00439-1 Pflag RAmdeg 268.91141592 DEmdeg 21.03541548
PmRA 12.3 PmDE 3.3 E RAmdeg 69 E DEmdeg 65
E pmRA 1.6 E pmDE 1.5 EpRAm 1962.82 EpDEm 1965.74
Num 4 Q RAmdeg 1.8 Q DEmdeg 0.8 Q pmRA 1.8
Q pmDE 0.9 BTmag 12.956 E BTmag 0.202 VTmag 12.424
E VTmag 0.163 Prox 999 TYC HIP
CCDM RAdeg 268.91138583 DEdeg 21.03540778 EpRA 1990 1.76
EpDE 1990 1.69 E RAdeg 82.1 E DEdeg 76.1 Posflg
Corr -0.1