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Current system
17520+1542
HDS 2520


Nearby doubles
13' : 17525+1530
L 17AB

23' : 17520+1520
STT 338AB

26' : 17530+1521
OSO 86AB

30' : 17516+1513
KPP3324

33' : 17506+1517
FOX 22

38' : 17538+1610
BPM 707

40' : 17514+1504
UC 3429

45' : 17527+1459
BPM 705

47' : 17509+1458
J 2117

47' : 17495+1513
KPP 401

48' : 17492+1517
OL 197

54' : 17520+1449
TDT 542

55' : 17483+1547
J 753AB

61' : 17478+1546
TOB 267

63' : 17478+1557
TOB 268AB

65' : 17547+1633
UC 234

68' : 17567+1539
J 2098AB

68' : 17489+1633
TDT 519

72' : 17478+1619
HEI 254

73' : 17571+1547
MCT 10

75' : 17530+1655
CRC 27AB

77' : 17573+1531
ROE 120

81' : 17518+1422
UC 3431

81' : 17479+1449
STF2222

81' : 17573+1607
HEI 256

81' : 17472+1502
HU 1288



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

17520+1542 HDS 2520

 
 
17h 52m 00.90s +15° 42' 15.2" P.A. 184.00 sep 4.6 mag 10.24,13.83 dist. 80.52 pc (262.66 l.y.)
 
 
Coord 2000 17520+1542 Discov num HDS2520 Comp Coord arcsec 2000 17 52 00.90 +15 42 15.2
Date first 1991 Date last 2016 Obs 6
Pa first 185 Pa last 184.4 P.A. Now (θ) 184.4°
Sep first 4.5 Sep last 4.649 Sep. Now (ρ) 4.649"
Mag pri 10.24 Mag sec 13.83 delta mag (ΔM) 3.59 Spectral class
Pri motion ra -126 Sec motion ra -129
Pri motion dec -157 Sec motion dec -154
Notes V (Proper motion indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Hercules HIP 87437 Tycho2 1553-01027-1 Gaia DR2 4500983618629511552
Distance 80.52 Distance ly 262.66
 
 
WDS 17520+1542 HDS 2520 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (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
17520+1542 HDS2520 2000 3 184 4.2 10.24 13.83 DV 175200.90+154215.2
17520+1542 HDS2520 2015 4 184 4.6 10.24 13.83 V 175200.90+154215.2
17520+1542 HDS2520 2016 6 184 4.6 10.24 13.83 V 175200.90+154215.2

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

 
 
WDS 17520+1542 HDS 2520 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17520+1542 HDS 2520 : MEASURES
 
 
No records found.

 
 
WDS 17520+1542 : VIRTUAL EYEPIECE
 
 

17520+1542 HDS2520A mag 10.24 17520+1542 HDS2520B sep 4.7 P.A. 184.20 mag 13.83 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 17520+1542 : ALADIN DSS IMAGE @ 17h 52m 00.90s +15° 42' 15.2"
 
 
 
 
WDS 17520+1542 HDS 2520 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17520+1542 HDS2520 distance=0' 17525+1530 L 17AB distance=13' 17525+1530 WLY 20AC distance=13' 17520+1520 STT 338AB distance=23' 17520+1520 STT 338AC distance=23' 17520+1520 STT 338AD distance=23' 17530+1521 OSO 86AB distance=26' 17530+1521 OSO 86AC distance=26' 17530+1521 ZIE 11AD distance=26' 17516+1513 KPP3324 distance=30' 17506+1517 FOX 22 distance=33' 17538+1610 BPM 707 distance=38' 17514+1504 UC 3429 distance=40' 17527+1459 BPM 705 distance=45' 17509+1458 J 2117 distance=47' 17495+1513 KPP 401 distance=47' 17492+1517 OL 197 distance=48' 17520+1449 TDT 542 distance=54' 17483+1547 J 753AB distance=55' 17483+1547 FOX 209AC distance=55' 17478+1546 TOB 267 distance=61' 17478+1557 TOB 268AB distance=63' 17478+1557 TOB 268AC distance=63' 17547+1633 UC 234 distance=65' 17567+1539 J 2098AB distance=68' 17567+1539 J 2098AC distance=68' 17489+1633 TDT 519 distance=68' 17478+1619 HEI 254 distance=72' 17571+1547 MCT 10 distance=73' 17530+1655 CRC 27Aa,Ab distance=75' 17530+1655 CRC 27AB distance=75' 17573+1531 ROE 120 distance=77' 17518+1422 UC 3431 distance=81' 17479+1449 STF2222 distance=81' 17573+1607 HEI 256 distance=81' 17472+1502 HU 1288 distance=81' 17537+1702 BPM 706 distance=84' 17578+1542 BPM 712 distance=85' 17477+1641 UC 3411 distance=86' 17524+1708 TDT 550 distance=86' 17456+1553 HU 1287 distance=94' 17539+1413 TDT 563AB distance=94' 17539+1413 GII 254Aa,Ab distance=94' 17467+1447 STF2217AB distance=96' 17467+1447 STF2217AC distance=96' 17567+1434 UC 3452 distance=97' 17587+1530 BPM 713 distance=98' 17525+1402 TOK 611 distance=101' 17513+1723 TDT 536 distance=102' 17531+1401 HJ 1306 distance=103' 17589+1629 DAM 97AB distance=110' 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+1542 HDS2520 184 4.6
Show 17525+1530 L 17 AB 292 2.7 13
Show 17525+1530 WLY 20 AC 122 38.1 13
Show 17520+1520 STT 338 AB 168 0.9 23
Show 17520+1520 STT 338 AC 202 32.6 23
Show 17520+1520 STT 338 AD 247 96.3 23
Show 17530+1521 OSO 86 AB 208 20.9 26
Show 17530+1521 OSO 86 AC 300 23.4 26
Show 17530+1521 ZIE 11 AD 112 28.8 26
Show 17516+1513 KPP3324 349 14.1 30
Show 17506+1517 FOX 22 340 1.0 33
Show 17538+1610 BPM 707 132 98.6 38
Show 17514+1504 UC 3429 131 53.5 40
Show 17527+1459 BPM 705 230 26.6 45
Show 17509+1458 J 2117 199 5.1 47
Show 17495+1513 KPP 401 114 3.7 47
Show 17492+1517 OL 197 113 3.7 48
Show 17520+1449 TDT 542 186 0.7 54
Show 17483+1547 J 753 AB 275 2.0 55
Show 17483+1547 FOX 209 AC 179 47.9 55
Show 17478+1546 TOB 267 84 17.9 61
Show 17478+1557 TOB 268 AB 115 24.1 63
Show 17478+1557 TOB 268 AC 253 70.2 63
Show 17547+1633 UC 234 204 32.4 65
Show 17567+1539 J 2098 AB 130 4.3 68
Show 17567+1539 J 2098 AC 306 16.8 68
Show 17489+1633 TDT 519 221 1.0 68
Show 17478+1619 HEI 254 275 2.3 72
Show 17571+1547 MCT 10 283 1.4 73
Show 17530+1655 CRC 27 Aa,Ab 112 0.9 75
Show 17530+1655 CRC 27 AB 31 9.0 75
Show 17573+1531 ROE 120 237 6.6 77
Show 17518+1422 UC 3431 224 23.0 81
Show 17479+1449 STF2222 63 2.4 81
Show 17573+1607 HEI 256 349 2.1 81
Show 17472+1502 HU 1288 163 0.4 81
Show 17537+1702 BPM 706 287 69.6 84
Show 17578+1542 BPM 712 100 83.7 85
Show 17477+1641 UC 3411 258 13.4 86
Show 17524+1708 TDT 550 32 0.5 86
Show 17456+1553 HU 1287 63 1.9 94
Show 17539+1413 TDT 563 AB 62 1.7 94
Show 17539+1413 GII 254 Aa,Ab 107 0.5 94
Show 17467+1447 STF2217 AB 284 7.1 96
Show 17467+1447 STF2217 AC 300 23.2 96
Show 17567+1434 UC 3452 65 91.0 97
Show 17587+1530 BPM 713 139 36.1 98
Show 17525+1402 TOK 611 255 999.9 101
Show 17513+1723 TDT 536 61 1.1 102
Show 17531+1401 HJ 1306 5 30.1 103
Show 17589+1629 DAM 97 AB 103 10.8 110

 
 
WDS 17520+1542 : COMPONENTS
 
 
  A
B pa=184.2°
sep=4.65"
 
 
17520+1542 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 175200.90+154215.2 Mag 10.24 PmRA -126.00
PmDE -157.0 HIP 87437 Tycho2 1553-01027-1
Tycho2
Tycho2 1553-01027-1 Pflag RAmdeg 268.00374212 DEmdeg 15.70421842
PmRA -126.4 PmDE -156.7 E RAmdeg 24 E DEmdeg 23
E pmRA 1.5 E pmDE 1.4 EpRAm 1987.68 EpDEm 1987.31
Num 4 Q RAmdeg 1.1 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.5 BTmag 11.133 E BTmag 0.050 VTmag 10.243
E VTmag 0.034 Prox 45 TYC T HIP 87437
CCDM A RAdeg 268.00404917 DEdeg 15.70459000 EpRA 1990 1.54
EpDE 1990 1.57 E RAdeg 25.9 E DEdeg 25.0 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 87437 Proxy H RAhms 17 52 00.98
DEdms +15 42 16.6 Vmag 10.17 VarFlag R Vmag H
RAdeg 268.004 DEdeg 15.7046 AstroRef A Plx 12.67
CCDM 17520+1542 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 185 Rho 4.53 HD BD
CD CP Dm number VIred 0.72
SpType R SpType Coord arcsec 2000 175200.98+154216.6
Hipparcos 2
HIP 87437 Sn 15 So 3 Nc 2
RArad 4.6775533038 DErad 0.274097098 Plx 12.42 PmRA -128.37
PmDE -154.59 E RArad 1.46 E DErad 1.45 E Plx 2.01
E pmRA 1.67 E pmDE 1.67 Hpmag 10.3077 E Hpmag 0.0039
SHp 0.037 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 17520+1542 RComp Comp A Note1
Note2 Discov num DRAs 0.89 DDEs 15.2
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.4 Sp PmNote *
PmRA -129 PmDE -154 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 87437
 
 
17520+1542 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175200.88+154210.6 Mag 13.83 PmRA -129.00
PmDE -154.0 Calc delta mag 3.59 Calc coord yes
CCDM
Ccdm 17520+1542 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.87 DDEs 10.7
R dRAs 82 Year 1991 Theta 185 Rho 4.5
Obs 1 Vmag 13.8 Sp PmNote *
PmRA -129 PmDE -154 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 87437