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Doubles in session


Current system
17228+2155
LDS 4740


Nearby doubles
15' : 17238+2155
HU 671

56' : 17250+2109
JNN 113

59' : 17187+2146
STTA152

60' : 17224+2056
COU 201AB

67' : 17214+2259
POU3288

70' : 17268+2240
J 1032

71' : 17264+2245
RAO 371

73' : 17279+2209
RAO 372AB

76' : 17221+2310
COU 415

76' : 17270+2243
J 1033

76' : 17265+2251
POU3290

77' : 17267+2101
BRT2432

80' : 17209+2310
POU3285

82' : 17272+2250
TDT 363

85' : 17248+2315
POU3289

89' : 17173+2113
HU 668

98' : 17195+2321
HJ 2805

99' : 17171+2252
POU3276

99' : 17299+2147
TDT 382

104' : 17204+2017
LEP 82

106' : 17180+2317
TDT 299

108' : 17211+2340
POU3286

110' : 17304+2222
TDT 388

111' : 17299+2246
BRT2434AB

111' : 17290+2046
TDT 376

111' : 17306+2129
LDS4748



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

17228+2155 LDS 4740

 
 
17h 22m 48.29s +21° 55' 12.4" P.A. 240.00 sep 9.1 mag 15.90,17.80
 
 
Coord 2000 17228+2155 Discov num LDS4740 Comp Coord arcsec 2000 17 22 48.29 +21 55 12.4
Date first 1960 Date last 2015 Obs 5
Pa first 254 Pa last 239.5 P.A. Now (θ) 239.5°
Sep first 10.0 Sep last 9.079 Sep. Now (ρ) 9.079"
Mag pri 15.90 Mag sec 17.80 delta mag (ΔM) 1.9 Spectral class
Pri motion ra +002 Sec motion ra +010
Pri motion dec -017 Sec motion dec -003
Notes
rPM=0.942
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Gaia DR2 4567433325409351552
 
 
WDS 17228+2155 LDS 4740 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
LDS Luyten p.m. catalog (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17228+2155 LDS4740 1997 2 239 9.4 15.90 17.80 D 172248.29+215512.4
17228+2155 LDS4740 2001 3 239 9.1 15.90 17.80 D 172248.29+215512.4
17228+2155 LDS4740 2010 4 240 9.4 15.90 17.80 172248.29+215512.4
17228+2155 LDS4740 2015 5 240 9.1 15.90 17.80 172248.29+215512.4

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

 
 
WDS 17228+2155 LDS 4740 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17228+2155 LDS 4740 : MEASURES
 
 
No records found.

 
 
WDS 17228+2155 : VIRTUAL EYEPIECE
 
 

17228+2155 LDS4740A mag 15.9 17228+2155 LDS4740B sep 8.6 P.A. 237.60 mag 17.8 virtual eyepiece
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Radius:
Components only
 
 
WDS 17228+2155 : ALADIN DSS IMAGE @ 17h 22m 48.29s +21° 55' 12.4"
 
 
 
 
WDS 17228+2155 LDS 4740 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17228+2155 LDS4740 distance=0' 17238+2155 HU 671 distance=15' 17250+2109 JNN 113 distance=56' 17187+2146 STTA152 distance=59' 17224+2056 COU 201AB distance=60' 17224+2056 COU 201AC distance=60' 17214+2259 POU3288 distance=67' 17268+2240 J 1032 distance=70' 17264+2245 RAO 371 distance=71' 17279+2209 RAO 372AB distance=73' 17279+2209 RAO 372AC distance=73' 17279+2209 RAO 372AD distance=73' 17221+2310 COU 415 distance=76' 17270+2243 J 1033 distance=76' 17265+2251 POU3290 distance=76' 17267+2101 BRT2432 distance=77' 17209+2310 POU3285 distance=80' 17272+2250 TDT 363 distance=82' 17248+2315 POU3289 distance=85' 17173+2113 HU 668 distance=89' 17195+2321 HJ 2805 distance=98' 17171+2252 POU3276 distance=99' 17299+2147 TDT 382 distance=99' 17204+2017 LEP 82 distance=104' 17180+2317 TDT 299 distance=106' 17211+2340 POU3286 distance=108' 17304+2222 TDT 388 distance=110' 17299+2246 BRT2434AB distance=111' 17299+2246 DAL 3AC distance=111' 17290+2046 TDT 376 distance=111' 17306+2129 LDS4748 distance=111' 17150+2219 ITF 155 distance=112' 17148+2214 ITF 11 distance=114' 17147+2215 ITF 156 distance=115' 17147+2227 NSN 688 distance=117' 17274+2335 POU3291 distance=118' 17161+2316 COU 315 distance=123' 17309+2106 TDT 392 distance=123' 17285+2329 TOB 139 distance=124' 17286+2330 POU3292 distance=124' 17161+2318 POU3274 distance=126' 17261+1957 GRV 953 distance=127' 17140+2119 COU 111AB distance=129' 17140+2119 GII 242Aa,Ab distance=129' 17158+2322 POU3271 distance=130' 17203+2401 POU3284 distance=131' 17133+2208 KPP 635 distance=133' 17197+1947 TDT 309 distance=136' 17139+2255 TDT 274 distance=137' 17271+2402 TDT 360 distance=140' 17215+2415 TDT 319 distance=141' 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 17228+2155 LDS4740 240 9.1
Show 17238+2155 HU 671 263 0.9 15
Show 17250+2109 JNN 113 24 3.5 56
Show 17187+2146 STTA152 47 52.8 59
Show 17224+2056 COU 201 AB 258 0.5 60
Show 17224+2056 COU 201 AC 301 10.3 60
Show 17214+2259 POU3288 70 3.3 67
Show 17268+2240 J 1032 350 4.1 70
Show 17264+2245 RAO 371 268 0.7 71
Show 17279+2209 RAO 372 AB 251 2.8 73
Show 17279+2209 RAO 372 AC 256 2.5 73
Show 17279+2209 RAO 372 AD 351 0.3 73
Show 17221+2310 COU 415 236 0.2 76
Show 17270+2243 J 1033 247 6.5 76
Show 17265+2251 POU3290 233 13.7 76
Show 17267+2101 BRT2432 351 2.7 77
Show 17209+2310 POU3285 161 4.4 80
Show 17272+2250 TDT 363 189 1.5 82
Show 17248+2315 POU3289 236 6.1 85
Show 17173+2113 HU 668 38 1.3 89
Show 17195+2321 HJ 2805 156 16.8 98
Show 17171+2252 POU3276 120 6.4 99
Show 17299+2147 TDT 382 288 0.3 99
Show 17204+2017 LEP 82 288 16.8 104
Show 17180+2317 TDT 299 14 1.4 106
Show 17211+2340 POU3286 8 15.1 108
Show 17304+2222 TDT 388 215 0.6 110
Show 17299+2246 BRT2434 AB 269 3.7 111
Show 17299+2246 DAL 3 AC 263 63.4 111
Show 17290+2046 TDT 376 305 0.7 111
Show 17306+2129 LDS4748 283 15.2 111
Show 17150+2219 ITF 155 190 2.3 112
Show 17148+2214 ITF 11 41 4.3 114
Show 17147+2215 ITF 156 26 14.1 115
Show 17147+2227 NSN 688 111 2.9 117
Show 17274+2335 POU3291 22 9.8 118
Show 17161+2316 COU 315 117 0.1 123
Show 17309+2106 TDT 392 136 1.8 123
Show 17285+2329 TOB 139 91 10.3 124
Show 17286+2330 POU3292 113 22.5 124
Show 17161+2318 POU3274 297 9.3 126
Show 17261+1957 GRV 953 153 6.8 127
Show 17140+2119 COU 111 AB 250 0.6 129
Show 17140+2119 GII 242 Aa,Ab 9 0.1 129
Show 17158+2322 POU3271 259 3.3 130
Show 17203+2401 POU3284 300 11.0 131
Show 17133+2208 KPP 635 81 5.8 133
Show 17197+1947 TDT 309 98 0.2 136
Show 17139+2255 TDT 274 234 0.6 137
Show 17271+2402 TDT 360 179 0.7 140
Show 17215+2415 TDT 319 339 0.8 141

 
 
WDS 17228+2155 : COMPONENTS
 
 
  A
B pa=237.6°
sep=8.60"
 
 
17228+2155 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 172248.29+215512.4 Mag 15.9 PmRA 2.00
PmDE -17.0
 
 
17228+2155 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 172247.77+215507.8 Mag 17.8 PmRA 10.00
PmDE -3.0 Calc delta mag 1.9 Calc coord yes