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Current system
17520+1449
TDT 542


Nearby doubles
14' : 17527+1459
BPM 705

18' : 17514+1504
UC 3429

20' : 17509+1458
J 2117

25' : 17516+1513
KPP3324

28' : 17518+1422
UC 3431

31' : 17520+1520
STT 338AB

34' : 17506+1517
FOX 22

36' : 17530+1521
OSO 86AB

44' : 17525+1530
L 17AB

44' : 17495+1513
KPP 401

46' : 17539+1413
TDT 563AB

48' : 17525+1402
TOK 611

51' : 17492+1517
OL 197

52' : 17531+1401
HJ 1306

54' : 17520+1542
HDS2520

60' : 17479+1449
STF2222

70' : 17567+1434
UC 3452

72' : 17472+1502
HU 1288

76' : 17554+1352
HEI 553

78' : 17467+1447
STF2217AB

80' : 17483+1547
J 753AB

84' : 17478+1546
TOB 267

85' : 17538+1610
BPM 707

86' : 17567+1539
J 2098AB

87' : 17573+1531
ROE 120

89' : 17482+1339
BPM 699



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

17520+1449 TDT 542

 
 
17h 52m 00.15s +14° 49' 00.9" P.A. 186.00 sep 0.7 mag 11.15,11.54
 
 
Coord 2000 17520+1449 Discov num TDT 542 Comp Coord arcsec 2000 17 52 00.15 +14 49 00.9
Date first 1991 Date last 1991 Obs 1
Pa first 186 Pa last 185.9 P.A. Now (θ) 185.9°
Sep first 0.7 Sep last 0.71 Sep. Now (ρ) 0.71"
Mag pri 11.15 Mag sec 11.54 delta mag (ΔM) 0.39 Spectral class
Pri motion ra -015 Sec motion ra -015
Pri motion dec -017 Sec motion dec -017
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules Tycho2 1006-00908-1 Gaia DR2 4500060990934819584
 
 
WDS 17520+1449 TDT 542 : 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
17520+1449 TDT 542 1991 1 186 0.7 11.15 11.54 175200.15+144900.9

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

 
 
WDS 17520+1449 TDT 542 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17520+1449 TDT 542 : MEASURES
 
 
No records found.

 
 
WDS 17520+1449 : VIRTUAL EYEPIECE
 
 

17520+1449 TDT 542A mag 11.15 17520+1449 TDT 542B sep 0.7 P.A. 185.70 mag 11.54 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17520+1449 : ALADIN DSS IMAGE @ 17h 52m 00.15s +14° 49' 00.9"
 
 
 
 
WDS 17520+1449 TDT 542 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17520+1449 TDT 542 distance=0' 17527+1459 BPM 705 distance=14' 17514+1504 UC 3429 distance=18' 17509+1458 J 2117 distance=20' 17516+1513 KPP3324 distance=25' 17518+1422 UC 3431 distance=28' 17520+1520 STT 338AB distance=31' 17520+1520 STT 338AC distance=31' 17520+1520 STT 338AD distance=31' 17506+1517 FOX 22 distance=34' 17530+1521 OSO 86AB distance=36' 17530+1521 OSO 86AC distance=36' 17530+1521 ZIE 11AD distance=36' 17525+1530 L 17AB distance=44' 17525+1530 WLY 20AC distance=44' 17495+1513 KPP 401 distance=44' 17539+1413 TDT 563AB distance=46' 17539+1413 GII 254Aa,Ab distance=46' 17525+1402 TOK 611 distance=48' 17492+1517 OL 197 distance=51' 17531+1401 HJ 1306 distance=52' 17520+1542 HDS2520 distance=54' 17479+1449 STF2222 distance=60' 17567+1434 UC 3452 distance=70' 17472+1502 HU 1288 distance=72' 17554+1352 HEI 553 distance=76' 17467+1447 STF2217AB distance=78' 17467+1447 STF2217AC distance=78' 17483+1547 J 753AB distance=80' 17483+1547 FOX 209AC distance=80' 17478+1546 TOB 267 distance=84' 17538+1610 BPM 707 distance=85' 17567+1539 J 2098AB distance=86' 17567+1539 J 2098AC distance=86' 17573+1531 ROE 120 distance=87' 17482+1339 BPM 699 distance=89' 17468+1401 LSC 77 distance=90' 17478+1557 TOB 268AB distance=92' 17478+1557 TOB 268AC distance=92' 17571+1547 MCT 10 distance=94' 17584+1437 STF2253AB distance=94' 17584+1437 STF2253AC distance=94' 17467+1356 TDT 502 distance=94' 17582+1414 GWP2749 distance=96' 17578+1542 BPM 712 distance=100' 17555+1322 BPM 709 distance=102' 17587+1530 BPM 713 distance=106' 17461+1343 TDT 496 distance=108' 17478+1619 HEI 254 distance=109' 17573+1607 HEI 256 distance=110' 17586+1353 HU 1289 distance=112' 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 17520+1449 TDT 542 186 0.7
Show 17527+1459 BPM 705 230 26.6 14
Show 17514+1504 UC 3429 131 53.5 18
Show 17509+1458 J 2117 199 5.1 20
Show 17516+1513 KPP3324 349 14.1 25
Show 17518+1422 UC 3431 224 23.0 28
Show 17520+1520 STT 338 AB 168 0.9 31
Show 17520+1520 STT 338 AC 202 32.6 31
Show 17520+1520 STT 338 AD 247 96.3 31
Show 17506+1517 FOX 22 340 1.0 34
Show 17530+1521 OSO 86 AB 208 20.9 36
Show 17530+1521 OSO 86 AC 300 23.4 36
Show 17530+1521 ZIE 11 AD 112 28.8 36
Show 17525+1530 L 17 AB 292 2.7 44
Show 17525+1530 WLY 20 AC 122 38.1 44
Show 17495+1513 KPP 401 114 3.7 44
Show 17539+1413 TDT 563 AB 62 1.7 46
Show 17539+1413 GII 254 Aa,Ab 107 0.5 46
Show 17525+1402 TOK 611 255 999.9 48
Show 17492+1517 OL 197 113 3.7 51
Show 17531+1401 HJ 1306 5 30.1 52
Show 17520+1542 HDS2520 184 4.6 54
Show 17479+1449 STF2222 63 2.4 60
Show 17567+1434 UC 3452 65 91.0 70
Show 17472+1502 HU 1288 163 0.4 72
Show 17554+1352 HEI 553 207 0.6 76
Show 17467+1447 STF2217 AB 284 7.1 78
Show 17467+1447 STF2217 AC 300 23.2 78
Show 17483+1547 J 753 AB 275 2.0 80
Show 17483+1547 FOX 209 AC 179 47.9 80
Show 17478+1546 TOB 267 84 17.9 84
Show 17538+1610 BPM 707 132 98.6 85
Show 17567+1539 J 2098 AB 130 4.3 86
Show 17567+1539 J 2098 AC 306 16.8 86
Show 17573+1531 ROE 120 237 6.6 87
Show 17482+1339 BPM 699 325 43.6 89
Show 17468+1401 LSC 77 80 0.1 90
Show 17478+1557 TOB 268 AB 115 24.1 92
Show 17478+1557 TOB 268 AC 253 70.2 92
Show 17571+1547 MCT 10 283 1.4 94
Show 17584+1437 STF2253 AB 76 10.9 94
Show 17584+1437 STF2253 AC 63 72.1 94
Show 17467+1356 TDT 502 234 2.5 94
Show 17582+1414 GWP2749 130 8.1 96
Show 17578+1542 BPM 712 100 83.7 100
Show 17555+1322 BPM 709 219 120.0 102
Show 17587+1530 BPM 713 139 36.1 106
Show 17461+1343 TDT 496 332 1.5 108
Show 17478+1619 HEI 254 275 2.3 109
Show 17573+1607 HEI 256 349 2.1 110
Show 17586+1353 HU 1289 72 0.6 112

 
 
WDS 17520+1449 : COMPONENTS
 
 
  A
B pa=185.7°
sep=0.71"
 
 
17520+1449 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175200.15+144900.9 Mag 11.15 PmRA -15.00
PmDE -17.0 Tycho2 1006-00908-1
Tycho2
Tycho2 1006-00908-1 Pflag RAmdeg 268.00061653 DEmdeg 14.81685923
PmRA -14.6 PmDE -16.7 E RAmdeg 34 E DEmdeg 35
E pmRA 2.3 E pmDE 2.3 EpRAm 1988.88 EpDEm 1988.44
Num 4 Q RAmdeg 0.2 Q DEmdeg 0.5 Q pmRA 0.2
Q pmDE 0.4 BTmag 12.359 E BTmag 0.152 VTmag 10.702
E VTmag 0.048 Prox 546 TYC T HIP
CCDM RAdeg 268.00065250 DEdeg 14.81689917 EpRA 1990 1.69
EpDE 1990 1.64 E RAdeg 39.3 E DEdeg 39.0 Posflg
Corr -0.3
 
 
17520+1449 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175200.15+144900.2 Mag 11.54 PmRA -15.00
PmDE -17.0 Calc delta mag 0.39 Calc coord yes