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Current system
17574+5111
ES 78 AB
HD 234522


Nearby doubles
6' : 17578+5107
DAM 686

20' : 17566+5129
BU 633AB
Eltanin

23' : 17551+5117
KPP2198

37' : 18001+5045
KPP1193

40' : 17598+5039
COU2390

63' : 17581+5213
STF2261AB

67' : 18041+5053
COU2391

68' : 18046+5111
WIS 323

70' : 17500+5103
ES 779

71' : 18046+5053
STF2279

75' : 18012+5217
KPP 407

80' : 17499+5036
BEM9016

83' : 18061+5116
COU2514

83' : 17491+5047
LEP 86AB

84' : 18009+4954
LDS4770

87' : 18054+5155
COU2513

88' : 17514+5007
BEM 30

95' : 17514+4956
UC 3428

97' : 18075+5054
KPP4085

98' : 17545+4938
STF2251

98' : 17493+5011
ES 974

101' : 17469+5054
DAM 267

104' : 18003+5251
STF2271AB

104' : 17464+5102
DAM 266

109' : 17509+4943
CBL 519

113' : 18066+5001
STF2290AB



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

17574+5111 ES 78 AB (HD 234522)

 
 
17h 57m 24.04s +51° 11' 18.0" P.A. 130.00 sep 8.1 mag 9.44,12.38 Sp G0 dist. 224.22 pc (731.41 l.y.)
 
 
Coord 2000 17574+5111 Discov num ES   78 Comp AB Coord arcsec 2000 17 57 24.04 +51 11 18.0
Date first 1901 Date last 2019 Obs 28
Pa first 137 Pa last 129.6 P.A. Now (θ) 129.6°
Sep first 6.5 Sep last 8.054 Sep. Now (ρ) 8.054"
Mag pri 9.44 Mag sec 12.38 delta mag (ΔM) 2.94 Spectral class G0 (yellow)
Pri motion ra -019 Sec motion ra -004
Pri motion dec +004 Sec motion dec -001
Notes N (See Notes)
rPM=0.814
This double is not physical.
 
 
17574+5111 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 234522 30657 17 57 24 +51 11 18 ES 78 AB 2019 28 130 8.1 9.44 12.38 2.94 <===
Show 30657 17 57 24 +51 11 18 FOX 9011 AC 2015 8 194 31.6 9.44 13.30 3.86
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 234522 Constellation Draco SAO 30657 HIP 87907
Tycho2 3523-00741-1 Gaia DR2 1367599951636073088 HD 234522 BD BD+51 2283
Distance 224.22 Distance ly 731.41
 
 
WDS 17574+5111 ES 78 AB (HD 234522) : NOTES
 
 
discov_num notes refcode
ES 78 Fox also notes a 1" double (12 mag.) 23" from A in 199@. Fox1915
 
 
REFERENCES
 
 
refcode metd author reference
Fox1915 Ma j Fox, P. 1915AnDea...1....1F
Fox1915 Ann. Dearborn Obs. 1, 1, 1915
 
 
DISCOVERER
 
 
idgroup discov author
1 ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17574+5111 ES 78 AB 2000 9 131 7.8 9.44 12.38 G0 N D 175724.04+511118.0
17574+5111 ES 78 AB 2003 10 131 7.8 9.44 12.38 G0 N D 175724.04+511118.0
17574+5111 ES 78 AB 2014 11 130 8.0 9.44 12.38 G0 N 175724.04+511118.0
17574+5111 ES 78 AB 2015 18 130 8.0 9.44 12.38 G0 N 175724.04+511118.0
17574+5111 ES 78 AB 2019 28 130 8.1 9.44 12.38 G0 N 175724.04+511118.0

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

 
 
WDS 17574+5111 ES 78 AB (HD 234522) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17574+5111 ES 78 AB (HD 234522) : MEASURES
 
 
No records found.

 
 
WDS 17574+5111 (HD 234522) : VIRTUAL EYEPIECE
 
 

17574+5111 ES 78A mag 9.44 Sp G0 17574+5111 ES 78B sep 6.4 P.A. 142.90 mag 12.38 17574+5111 FOX9011C sep 31.1 P.A. 188.80 mag 13.3 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 17574+5111 (HD 234522) : ALADIN DSS IMAGE @ 17h 57m 24.04s +51° 11' 18.0"
 
 
 
 
WDS 17574+5111 ES 78 AB (HD 234522) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17574+5111 ES 78AB distance=1' 17574+5111 FOX9011AC distance=1' 17578+5107 DAM 686 distance=6' 17566+5129 BU 633AB (Eltanin) distance=20' 17566+5129 BU 633AC (Eltanin) distance=20' 17566+5129 BU 633AD (Eltanin) distance=20' 17566+5129 BU 633AE (Eltanin) distance=20' 17566+5129 BU 633AF (Eltanin) distance=20' 17566+5129 BU 633AG (Eltanin) distance=20' 17551+5117 KPP2198 distance=23' 18001+5045 KPP1193 distance=37' 17598+5039 COU2390 distance=40' 17581+5213 STF2261AB distance=63' 17581+5213 WAL 87AC distance=63' 18041+5053 COU2391 distance=67' 18046+5111 WIS 323 distance=68' 17500+5103 ES 779 distance=70' 18046+5053 STF2279 distance=71' 18012+5217 KPP 407 distance=75' 17499+5036 BEM9016 distance=80' 18061+5116 COU2514 distance=83' 17491+5047 CHR 65Aa,Ab distance=83' 17491+5047 LEP 86AB distance=83' 18009+4954 LDS4770 distance=84' 18054+5155 COU2513 distance=87' 17514+5007 BEM 30 distance=88' 17514+4956 UC 3428 distance=95' 18075+5054 KPP4085 distance=97' 17545+4938 STF2251 distance=98' 17493+5011 ES 974 distance=98' 17469+5054 DAM 267 distance=101' 18003+5251 STF2271AB distance=104' 18003+5251 STF2271AC distance=104' 17464+5102 DAM 266 distance=104' 17509+4943 CBL 519 distance=109' 18066+5001 COU2276Aa,Ab distance=113' 18066+5001 STF2290AB distance=113' 18066+5001 STF2290AC distance=113' 17480+5224 MMA 38 distance=114' 17599+5304 HO 563AB distance=115' 17599+5304 HO 563AC distance=115' 17473+5218 CVR 863 distance=116' 18091+5153 WIS 325 distance=118' 17571+5313 TDT 595 distance=122' 18104+5104 COU2392 distance=123' 17452+5157 STF2225AB distance=123' 17452+5157 STF2225AC distance=123' 17482+4944 COU1923 distance=125' 17459+5011 STF2229 distance=126' 17484+4941 ES 1092 distance=126' 17452+5157 B 9005CE distance=126' 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 17574+5111 ES 78 AB 130 8.1 1
Show 17574+5111 FOX9011 AC 194 31.6 1
Show 17578+5107 DAM 686 191 6.7 6
Show Eltanin 17566+5129 BU 633 AB 152 21.1 20
Show Eltanin 17566+5129 BU 633 AC 234 41.2 20
Show Eltanin 17566+5129 BU 633 AD 11 59.5 20
Show Eltanin 17566+5129 BU 633 AE 235 96.0 20
Show Eltanin 17566+5129 BU 633 AF 114 126.0 20
Show Eltanin 17566+5129 BU 633 AG 28 143.6 20
Show 17551+5117 KPP2198 35 18.2 23
Show 18001+5045 KPP1193 108 9.3 37
Show 17598+5039 COU2390 179 0.1 40
Show 17581+5213 STF2261 AB 261 9.6 63
Show 17581+5213 WAL 87 AC 57 64.4 63
Show 18041+5053 COU2391 97 2.2 67
Show 18046+5111 WIS 323 193 187.4 68
Show 17500+5103 ES 779 342 9.4 70
Show 18046+5053 STF2279 180 13.6 71
Show 18012+5217 KPP 407 54 4.8 75
Show 17499+5036 BEM9016 17 4.1 80
Show 18061+5116 COU2514 35 0.1 83
Show 17491+5047 CHR 65 Aa,Ab 112 0.1 83
Show 17491+5047 LEP 86 AB 141 209.1 83
Show 18009+4954 LDS4770 213 1.5 84
Show 18054+5155 COU2513 54 1.0 87
Show 17514+5007 BEM 30 114 14.8 88
Show 17514+4956 UC 3428 146 20.6 95
Show 18075+5054 KPP4085 249 24.9 97
Show 17545+4938 STF2251 20 16.1 98
Show 17493+5011 ES 974 348 2.6 98
Show 17469+5054 DAM 267 322 3.5 101
Show 18003+5251 STF2271 AB 267 3.5 104
Show 18003+5251 STF2271 AC 17 160.8 104
Show 17464+5102 DAM 266 176 5.6 104
Show 17509+4943 CBL 519 191 14.0 109
Show 18066+5001 COU2276 Aa,Ab 4 0.3 113
Show 18066+5001 STF2290 AB 351 4.0 113
Show 18066+5001 STF2290 AC 69 178.1 113
Show 17480+5224 MMA 38 180 35.7 114
Show 17599+5304 HO 563 AB 184 0.7 115
Show 17599+5304 HO 563 AC 243 69.8 115
Show 17473+5218 CVR 863 178 7.9 116
Show 18091+5153 WIS 325 82 999.9 118
Show 17571+5313 TDT 595 77 0.5 122
Show 18104+5104 COU2392 147 0.6 123
Show 17452+5157 STF2225 AB 339 5.5 123
Show 17452+5157 STF2225 AC 245 230.2 123
Show 17482+4944 COU1923 282 0.5 125
Show 17459+5011 STF2229 340 6.7 126
Show 17484+4941 ES 1092 21 3.8 126
Show 17452+5157 B 9005 CE 302 65.1 126

 
 
WDS 17574+5111 : COMPONENTS
 
 
  A B
B pa=142.9°
sep=6.44"
 
C pa=188.8°
sep=31.08"
pa=198.7°
sep=27.00"
 
 
17574+5111 A
 
 
Name HD 234522 Coord arcsec 2000 175724.04+511118.0 Mag 9.44 Spectral class G0 (yellow)
PmRA -19.00 PmDE 4.0 SAO 30657 HIP 87907
Tycho2 3523-00741-1 HD 234522 BD BD+51 2283
Tycho2
Tycho2 3523-00741-1 Pflag RAmdeg 269.35015867 DEmdeg 51.18834449
PmRA -19.5 PmDE 3.6 E RAmdeg 13 E DEmdeg 12
E pmRA 1.2 E pmDE 1.3 EpRAm 1990.14 EpDEm 1990.54
Num 6 Q RAmdeg 1.3 Q DEmdeg 0.4 Q pmRA 1.4
Q pmDE 0.5 BTmag 9.998 E BTmag 0.024 VTmag 9.441
E VTmag 0.019 Prox 76 TYC T HIP 87907
CCDM A RAdeg 269.35023000 DEdeg 51.18833639 EpRA 1990 1.72
EpDE 1990 1.78 E RAdeg 12.8 E DEdeg 12.1 Posflg
Corr -0.1
SAO
SAO 30657 DelFlag RA1950 PmRA1950 -0.0015
DE1950 PmDE1950 0.01 Vmag 8.8 SpType G0
Double code Source 37 CatNum 5404 DM BD+51 2283
DMcomp BDsup HD 234522 M HD 0
GC RA1950rad 4.69591153 DE1950rad 0.89347152 PmRA2000 -0.0008
PmDE2000 0.011
Hipparcos
Catalog H HIP 87907 Proxy H RAhms 17 57 24.06
DEdms +51 11 18.0 Vmag 9.35 VarFlag R Vmag H
RAdeg 269.35 DEdeg 51.1883 AstroRef A Plx 6.5
CCDM 17574+5111 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 131 Rho 7.646 HD 234522 BD BD+51 2283
CD CP Dm number +51 2283 VIred 0.59
SpType G0... R SpType Coord arcsec 2000 175724.06+511118.0
Hipparcos 2
HIP 87907 Sn 15 So 3 Nc 2
RArad 4.7010484705 DErad 0.8934050351 Plx 4.46 PmRA -15.97
PmDE 3.77 E RArad 0.81 E DErad 0.75 E Plx 0.81
E pmRA 0.96 E pmDE 0.92 Hpmag 9.4629 E Hpmag 0.0027
SHp 0.024 VA 0 BV 0.625 E BV 0.126
VI 0.59
CCDM
Ccdm 17574+5111 RComp Comp A Note1
Note2 Discov num DRAs 0.11 DDEs 19.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp G0 PmNote *
PmRA -12 PmDE 20 Dm number +51 2283 Cat1 BD
Name2 +51 1175 Cat2 AGK2/3 HD 234522 M HD
ADS BDS A10941 M ADS BDS N IDS IDS 17550N5112A
HIC 87907
 
 
17574+5111 B
 
 
Coord arcsec 2000 175724.45+511112.9 Mag 12.38 PmRA -4.00 PmDE -1.0
Calc delta mag 2.94 Calc coord yes
CCDM
Ccdm 17574+5111 RComp Comp B Note1
Note2 Discov num ES 78 DRAs 0.60 DDEs 14.5
R dRAs 90 Year 1910 Theta 136 Rho 6.5
Obs 3 Vmag 11.6 Sp PmNote
PmRA -12 PmDE 20 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10941 M ADS BDS N N IDS IDS 17550N5112B
HIC 87907
 
 
17574+5111 C
 
 
Coord arcsec 2000 175723.53+511047.3 Mag 13.3 PmRA 2.00 PmDE 11.0
Calc delta mag 3.86 Calc coord yes