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Doubles in session


Current system
14485+2445
COU 304
EM Boo


Nearby doubles
12' : 14478+2440
KPP2507

24' : 14484+2422
STF1884

42' : 14477+2406
HO 263

42' : 14489+2404
HJ 2747

49' : 14521+2439
KPP2020

52' : 14496+2356
JMS 4AB

53' : 14486+2353
SLW1035

54' : 14449+2428
POU3172

56' : 14503+2355
POT 1AB

57' : 14444+2454
SLW1025

65' : 14500+2546
KPP1410

70' : 14536+2450
UC 2866AB

72' : 14459+2344
COU 100

77' : 14527+2353
POU3176

79' : 14525+2348
COU 305

82' : 14528+2348
SKF1754

84' : 14438+2352
AZC 88

87' : 14549+2439
SLW1043

93' : 14548+2411
HJ 2755AB

94' : 14418+2432
TOK 297AB

94' : 14504+2315
TDS9321

97' : 14543+2542
CVR 764

103' : 14540+2335
REU 2

103' : 14491+2628
AG 346

111' : 14537+2321
COU 101

113' : 14511+2258
POU3175



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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

14485+2445 COU 304 (EM Boo)

 
 
14h 48m 32.21s +24° 45' 03.7" P.A. 297.00 sep 0.4 mag 9.27,11.44 Sp G5 dist. 751.88 pc (2452.63 l.y.)
 
 
Coord 2000 14485+2445 Discov num COU 304 Comp Coord arcsec 2000 14 48 32.21 +24 45 03.7
Date first 1968 Date last 2014 Obs 6
Pa first 315 Pa last 296.7 P.A. Now (θ) 296.7°
Sep first 0.5 Sep last 0.421 Sep. Now (ρ) 0.421"
Mag pri 9.27 Mag sec 11.44 delta mag (ΔM) 2.17 Spectral class G5 (yellow)
Pri motion ra +015 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name EM Boo Constellation Bootes HIP 72426 Tycho2 2016-00131-1
Gaia DR2 1267204914996585856 HD 130617 Distance 751.88 Distance ly 2452.63
 
 
WDS 14485+2445 COU 304 (EM Boo) : NOTES
 
 
discov_num notes refcode
COU 304 Primary is EM Boo, Algol-type eclipsing binary, period 2.446228d. Zas2013
 
 
REFERENCES
 
 
refcode metd author reference
Zas2013 - Zasche, P. ...................
Zas2013 private communication, 2013
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14485+2445 COU 304 1991 2 306 0.5 9.27 11.44 D 144832.21+244503.7
14485+2445 COU 304 2009 3 301 0.5 9.27 11.44 D 144832.21+244503.7
14485+2445 COU 304 2014 6 297 0.4 9.27 11.44 G5 N 144832.21+244503.7

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

 
 
WDS 14485+2445 COU 304 (EM Boo) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 14485+2445 COU 304 (EM Boo) : MEASURES
 
 
No records found.

 
 
WDS 14485+2445 (EM Boo) : VIRTUAL EYEPIECE
 
 

14485+2445 COU 304A mag 9.27 Sp G5 14485+2445 COU 304B sep 0.4 P.A. 299.00 mag 11.44 virtual eyepiece
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Radius:
Components only
 
 
WDS 14485+2445 (EM Boo) : ALADIN DSS IMAGE @ 14h 48m 32.21s +24° 45' 03.7"
 
 
 
 
WDS 14485+2445 COU 304 (EM Boo) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

14485+2445 COU 304 distance=0' 14478+2440 KPP2507 distance=12' 14484+2422 STF1884 distance=24' 14477+2406 HO 263 distance=42' 14489+2404 HJ 2747 distance=42' 14521+2439 KPP2020 distance=49' 14496+2356 BOY 8Aa,Ab distance=52' 14496+2356 JMS 4AB distance=52' 14486+2353 SLW1035 distance=53' 14449+2428 POU3172 distance=54' 14503+2355 POT 1AB distance=56' 14503+2355 POT 1BC distance=56' 14444+2454 SLW1025 distance=57' 14500+2546 KPP1410 distance=65' 14536+2450 UC 2866AB distance=70' 14459+2344 COU 100 distance=72' 14527+2353 POU3176 distance=77' 14525+2348 COU 305 distance=79' 14528+2348 SKF1754 distance=82' 14438+2352 AZC 88 distance=84' 14549+2439 SLW1043 distance=87' 14548+2411 COU 409Aa,Ab distance=93' 14548+2411 HJ 2755AB distance=93' 14418+2432 TOK 297AB distance=94' 14418+2432 RAO 64BC distance=94' 14504+2315 TDS9321 distance=94' 14543+2542 CVR 764 distance=97' 14540+2335 REU 2 distance=103' 14491+2628 AG 346 distance=103' 14537+2321 COU 101 distance=111' 14511+2258 POU3175 distance=113' 14552+2557 CVR 765 distance=115' 14401+2511 SLW1015 distance=118' 14551+2323 POU3177 distance=118' 14457+2638 CVR 158 distance=120' 14423+2615 LDS4490 distance=124' 14403+2549 COU 406 distance=129' 14401+2548 KPP2401 distance=131' 14549+2307 FMR 116 distance=132' 14556+2308 POU3178 distance=137' 14574+2341 ZHN 27 distance=138' 14453+2235 POU3173 distance=138' 14555+2305 UC 2873 distance=139' 14432+2246 COU 99 distance=140' 14546+2252 COU 408AB distance=141' 14546+2252 GII 211Aa,Ab distance=141' 14413+2259 NSN 659 distance=146' 14450+2704 STF1877AB (Izar) distance=148' 14450+2704 STF1877AC (Izar) distance=148' 14550+2652 RAO 324 distance=155' 14560+2246 KU 105 distance=158' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 14485+2445 COU 304 297 0.4
Show 14478+2440 KPP2507 222 22.5 12
Show 14484+2422 STF1884 55 2.3 24
Show 14477+2406 HO 263 136 0.2 42
Show 14489+2404 HJ 2747 47 12.9 42
Show 14521+2439 KPP2020 57 16.1 49
Show 14496+2356 BOY 8 Aa,Ab 64 0.1 52
Show 14496+2356 JMS 4 AB 341 99.2 52
Show 14486+2353 SLW1035 2 32.0 53
Show 14449+2428 POU3172 176 3.9 54
Show 14503+2355 POT 1 AB 100 2.6 56
Show 14503+2355 POT 1 BC 301 0.1 56
Show 14444+2454 SLW1025 262 10.4 57
Show 14500+2546 KPP1410 340 10.6 65
Show 14536+2450 UC 2866 AB 202 62.1 70
Show 14459+2344 COU 100 183 0.1 72
Show 14527+2353 POU3176 6.9 77
Show 14525+2348 COU 305 65 3.7 79
Show 14528+2348 SKF1754 51 5.9 82
Show 14438+2352 AZC 88 8 40.8 84
Show 14549+2439 SLW1043 53 10.0 87
Show 14548+2411 COU 409 Aa,Ab 214 0.5 93
Show 14548+2411 HJ 2755 AB 254 20.8 93
Show 14418+2432 TOK 297 AB 172 215.8 94
Show 14418+2432 RAO 64 BC 62 17.2 94
Show 14504+2315 TDS9321 192 0.5 94
Show 14543+2542 CVR 764 300 13.5 97
Show 14540+2335 REU 2 69 0.5 103
Show 14491+2628 AG 346 335 9.6 103
Show 14537+2321 COU 101 72 63.3 111
Show 14511+2258 POU3175 299 3.8 113
Show 14552+2557 CVR 765 22 14.7 115
Show 14401+2511 SLW1015 281 111.2 118
Show 14551+2323 POU3177 174 8.2 118
Show 14457+2638 CVR 158 308 69.4 120
Show 14423+2615 LDS4490 317 13.9 124
Show 14403+2549 COU 406 17 3.0 129
Show 14401+2548 KPP2401 126 20.7 131
Show 14549+2307 FMR 116 37 6.7 132
Show 14556+2308 POU3178 305 10.0 137
Show 14574+2341 ZHN 27 144 4.0 138
Show 14453+2235 POU3173 240 3.7 138
Show 14555+2305 UC 2873 16 15.7 139
Show 14432+2246 COU 99 206 0.7 140
Show 14546+2252 COU 408 AB 174 1.9 141
Show 14546+2252 GII 211 Aa,Ab 96 0.3 141
Show 14413+2259 NSN 659 132 2.4 146
Show Izar 14450+2704 STF1877 AB 347 2.9 148
Show Izar 14450+2704 STF1877 AC 254 174.1 148
Show 14550+2652 RAO 324 30 2.9 155
Show 14560+2246 KU 105 143 36.2 158

 
 
WDS 14485+2445 : COMPONENTS
 
 
  A
B pa=299.0°
sep=0.39"
 
 
14485+2445 A
 
 
Componente originario normalizzato AB Name EM Boo Coord arcsec 2000 144832.21+244503.7 Mag 9.27
Spectral class G5 (yellow) PmRA 15.00 PmDE 1.0 HIP 72426
Tycho2 2016-00131-1 HD 130617
Tycho2
Tycho2 2016-00131-1 Pflag RAmdeg 222.13425494 DEmdeg 24.75104367
PmRA 17.7 PmDE 0.7 E RAmdeg 9 E DEmdeg 10
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.32 EpDEm 1991.13
Num 5 Q RAmdeg 1.2 Q DEmdeg 0.5 Q pmRA 1.3
Q pmDE 0.5 BTmag 9.679 E BTmag 0.020 VTmag 9.122
E VTmag 0.016 Prox 999 TYC T HIP 72426
CCDM AB RAdeg 222.13420972 DEdeg 24.75104194 EpRA 1990 1.67
EpDE 1990 1.61 E RAdeg 8.6 E DEdeg 9.7 Posflg P
Corr -0.1
Hipparcos
Catalog H HIP 72426 Proxy H RAhms 14 48 32.21
DEdms +24 45 03.7 Vmag 9.02 VarFlag 2 R Vmag H
RAdeg 222.134 DEdeg 24.751 AstroRef A Plx -0.46
CCDM 14485+2445 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 306 Rho 0.469 HD 130617 BD
CD CP Dm number VIred 0.48
SpType G5 R SpType Coord arcsec 2000 144832.21+244503.7
Hipparcos 2
HIP 72426 Sn 15 So 3 Nc 2
RArad 3.8769734848 DErad 0.4319870365 Plx 1.33 PmRA 12.16
PmDE 2.28 E RArad 0.99 E DErad 0.77 E Plx 1.45
E pmRA 1.76 E pmDE 1.38 Hpmag 9.1351 E Hpmag 0.0027
SHp 0.037 VA 1 BV 0.505 E BV 0.021
VI 0.58
CCDM
Ccdm 14485+2445 RComp Comp A Note1
Note2 Discov num DRAs 2.25 DDEs 3.6
R dRAs 65 Year Theta Rho
Obs 2 Vmag 9.3 Sp PmNote *
PmRA 23 PmDE -3 Dm number Cat1
Name2 +24 1505 Cat2 AGK2/3 HD 130617 M HD
ADS BDS M ADS BDS N IDS IDS 14441N2510A
HIC 72426
 
 
14485+2445 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 144832.18+244503.9 Mag 11.44 Calc delta mag 2.17
Calc coord yes
CCDM
Ccdm 14485+2445 RComp Comp B Note1
Note2 Discov num COU 304 DRAs DDEs
R dRAs Year 1968 Theta 315 Rho 0.5
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 14441N2510B
HIC 72426