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Current system
16491+7412
TDT 101


Nearby doubles
25' : 16471+7435
TDS 835

30' : 16563+7417
A 1144

34' : 16536+7344
UR 10

36' : 16420+7353
MLR 198

48' : 16592+7349
TDT 166

61' : 16343+7419
LDS1849

61' : 16407+7323
MLR 197AB

64' : 16356+7343
LDS1850

67' : 17010+7327
UC 3275AB

69' : 16573+7314
CRB 198

76' : 17005+7514
HDS2408

89' : 16391+7256
LDS1853

94' : 17048+7306
CVR 195

102' : 16363+7247
TDS9998

103' : 16310+7304
NSN 679

120' : 16587+7607
STF2134

121' : 16342+7559
ACG 1

122' : 16315+7237
HDS2334

125' : 16473+7208
CRB 196

131' : 16529+7203
NSN 685

135' : 16365+7618
MFL 241

141' : 16394+7628
MFL 228

149' : 16446+7145
UC 3219AB

150' : 16545+7145
TDS 842

150' : 16339+7159
HDS2342

151' : 16343+7156
TVB 285



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

16491+7412 TDT 101

 
 
16h 49m 05.42s +74° 12' 23.5" P.A. 141.00 sep 0.7 mag 10.87,11.05
 
 
Coord 2000 16491+7412 Discov num TDT 101 Comp Coord arcsec 2000 16 49 05.42 +74 12 23.5
Date first 1991 Date last 1991 Obs 1
Pa first 141 Pa last 141.3 P.A. Now (θ) 141.3°
Sep first 0.7 Sep last 0.66 Sep. Now (ρ) 0.66"
Mag pri 10.87 Mag sec 11.05 delta mag (ΔM) 0.18 Spectral class
Pri motion ra -001 Sec motion ra -001
Pri motion dec -014 Sec motion dec -014
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco Tycho2 4426-00908-1 Gaia DR2 1654770570377332224
 
 
WDS 16491+7412 TDT 101 : 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
16491+7412 TDT 101 1991 1 141 0.7 10.87 11.05 164905.42+741223.5

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

 
 
WDS 16491+7412 TDT 101 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16491+7412 TDT 101 : MEASURES
 
 
No records found.

 
 
WDS 16491+7412 : VIRTUAL EYEPIECE
 
 

16491+7412 TDT 101A mag 10.87 16491+7412 TDT 101B sep 0.5 P.A. 167.70 mag 11.05 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 16491+7412 : ALADIN DSS IMAGE @ 16h 49m 05.42s +74° 12' 23.5"
 
 
 
 
WDS 16491+7412 TDT 101 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16491+7412 TDT 101 distance=0' 16471+7435 TDS 835 distance=25' 16563+7417 A 1144 distance=30' 16536+7344 UR 10 distance=34' 16420+7353 MLR 198 distance=36' 16592+7349 TDT 166 distance=48' 16343+7419 LDS1849 distance=61' 16407+7323 MLR 197AB distance=61' 16407+7323 MLR 197AC distance=61' 16356+7343 LDS1850 distance=64' 17010+7327 UC 3275AB distance=67' 17010+7327 UC 3275AC distance=67' 16573+7314 CRB 198 distance=69' 17005+7514 HDS2408 distance=76' 16391+7256 LDS1853 distance=89' 17048+7306 CVR 195 distance=94' 16363+7247 TDS9998 distance=102' 16310+7304 NSN 679 distance=103' 16587+7607 STF2134 distance=120' 16342+7559 ACG 1 distance=121' 16315+7237 HDS2334 distance=122' 16473+7208 CRB 196 distance=125' 16529+7203 NSN 685 distance=131' 16365+7618 MFL 241 distance=135' 16394+7628 MFL 228 distance=141' 16446+7145 MLR 182Aa,Ab distance=149' 16446+7145 UC 3219AB distance=149' 16545+7145 TDS 842 distance=150' 16339+7159 HDS2342 distance=150' 16343+7156 TVB 285 distance=151' 17049+7638 TDS 851 distance=158' 17046+7641 WIS 309 distance=160' 16428+7122 HDS2373 distance=173' 16311+7131 UC 3182 distance=180' 17055+7713 SKF2777 distance=191' 16588+7106 STF2126 distance=192' 16431+7731 KU 1AB distance=200' 16431+7731 KU 1AC distance=200' 17060+7103 AG 352 distance=205' 16546+7741 MFL 215 distance=210' 17086+7100 TOB 136 distance=211' 16316+7056 TDS 819AB distance=211' 16316+7056 CBL 159AC distance=211' 16595+7748 MFL 207AB distance=219' 16520+7034 TOK 309 distance=220' 16452+7753 UC 3224 distance=222' 16524+7030 LDS1857 distance=223' 17058+7034 LDS1860 distance=231' 16319+7759 MFL 216 distance=236' 16384+7020 STF2099 distance=238' 16349+7019 LDS1848 distance=243' 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 16491+7412 TDT 101 141 0.7
Show 16471+7435 TDS 835 295 1.2 25
Show 16563+7417 A 1144 307 5.3 30
Show 16536+7344 UR 10 9 46.3 34
Show 16420+7353 MLR 198 51 0.2 36
Show 16592+7349 TDT 166 257 0.5 48
Show 16343+7419 LDS1849 286 169.2 61
Show 16407+7323 MLR 197 AB 74 0.5 61
Show 16407+7323 MLR 197 AC 247 1.9 61
Show 16356+7343 LDS1850 101 234.1 64
Show 17010+7327 UC 3275 AB 57 44.7 67
Show 17010+7327 UC 3275 AC 76 1.3 67
Show 16573+7314 CRB 198 358 11.8 69
Show 17005+7514 HDS2408 111 0.6 76
Show 16391+7256 LDS1853 316 7.2 89
Show 17048+7306 CVR 195 65 78.5 94
Show 16363+7247 TDS9998 336 0.5 102
Show 16310+7304 NSN 679 338 2.0 103
Show 16587+7607 STF2134 143 45.9 120
Show 16342+7559 ACG 1 290 5.7 121
Show 16315+7237 HDS2334 175 1.1 122
Show 16473+7208 CRB 196 189 50.2 125
Show 16529+7203 NSN 685 138 10.1 131
Show 16365+7618 MFL 241 70 20.0 135
Show 16394+7628 MFL 228 344 6.0 141
Show 16446+7145 MLR 182 Aa,Ab 94 0.3 149
Show 16446+7145 UC 3219 AB 113 27.7 149
Show 16545+7145 TDS 842 25 1.6 150
Show 16339+7159 HDS2342 265 0.3 150
Show 16343+7156 TVB 285 300 24.5 151
Show 17049+7638 TDS 851 41 1.8 158
Show 17046+7641 WIS 309 223 390.9 160
Show 16428+7122 HDS2373 181 0.2 173
Show 16311+7131 UC 3182 183 9.9 180
Show 17055+7713 SKF2777 137 9.7 191
Show 16588+7106 STF2126 133 23.0 192
Show 16431+7731 KU 1 AB 175 2.4 200
Show 16431+7731 KU 1 AC 13 102.5 200
Show 17060+7103 AG 352 238 1.5 205
Show 16546+7741 MFL 215 293 8.3 210
Show 17086+7100 TOB 136 261 21.8 211
Show 16316+7056 TDS 819 AB 110 1.1 211
Show 16316+7056 CBL 159 AC 132 40.0 211
Show 16595+7748 MFL 207 AB 89 4.6 219
Show 16520+7034 TOK 309 111 455.0 220
Show 16452+7753 UC 3224 125 22.7 222
Show 16524+7030 LDS1857 1 33.3 223
Show 17058+7034 LDS1860 78 101.2 231
Show 16319+7759 MFL 216 11 5.3 236
Show 16384+7020 STF2099 215 9.8 238
Show 16349+7019 LDS1848 207 1.7 243

 
 
WDS 16491+7412 : COMPONENTS
 
 
  A
B pa=167.7°
sep=0.53"
 
 
16491+7412 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 164905.42+741223.5 Mag 10.87 PmRA -1.00
PmDE -14.0 Tycho2 4426-00908-1
Tycho2
Tycho2 4426-00908-1 Pflag RAmdeg 252.27275857 DEmdeg 74.20644216
PmRA -0.8 PmDE -13.6 E RAmdeg 21 E DEmdeg 20
E pmRA 1.7 E pmDE 1.8 EpRAm 1988.79 EpDEm 1989.06
Num 4 Q RAmdeg 0.9 Q DEmdeg 1.1 Q pmRA 0.9
Q pmDE 1.1 BTmag 10.753 E BTmag 0.039 VTmag 10.345
E VTmag 0.038 Prox 999 TYC T HIP
CCDM RAdeg 252.27275333 DEdeg 74.20647722 EpRA 1990 1.73
EpDE 1990 1.75 E RAdeg 24.3 E DEdeg 23.3 Posflg
Corr 0.0
 
 
16491+7412 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 164905.45+741223.0 Mag 11.05 PmRA -1.00
PmDE -14.0 Calc delta mag 0.18 Calc coord yes