17566+5129 BU 633 AE (Eltanin)

 
 
17h 56m 36.38s +51° 29' 20.2" P.A. 235.00 sep 96.0 mag 2.23,11.90 Sp K5III dist. 47.3 pc (154.29 l.y.)
 
 
Coord 2000 17566+5129 Discov num BU  633 Comp AE Coord arcsec 2000 17 56 36.38 +51 29 20.2
Date first 1898 Date last 2018 Obs 9
Pa first 235 Pa last 234.8 P.A. Now (θ) 234.8°
Sep first 97.5 Sep last 96.01 Sep. Now (ρ) 96.01"
Mag pri 2.23 Mag sec 11.90 delta mag (ΔM) 9.67 Spectral class K5III (yellow-orange)
Pri motion ra -009 Sec motion ra -002
Pri motion dec -023 Sec motion dec -005
Notes N (See Notes)
rPM=0.782
Nature of this double is uncertain.
 
 
17566+5129 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 30653 17 56 36 +51 29 20 BU 633 AB 2018 12 152 21.1 2.23 13.40 11.17
Show 30653 17 56 36 +51 29 20 BU 633 AC 2012 5 234 41.2 2.23 12.90 10.67
Show 30653 17 56 36 +51 29 20 BU 633 AD 2017 8 11 59.5 2.23 12.90 10.67
Show Eltanin 30653 17 56 36 +51 29 20 BU 633 AE 2018 9 235 96.0 2.23 11.90 9.67 <===
Show 30653 17 56 36 +51 29 20 BU 633 AF 2018 12 114 126.0 2.38 11.67 9.29
Show 30653 17 56 36 +51 29 20 BU 633 AG 2018 9 28 143.6 2.38 11.23 8.85
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Eltanin Constellation Draco SAO 30653 HIP 87833
Tycho2 3523-01684-1 HD 164058 HR 6705 GC 24432
ADS 10923 BD BD+51 2282 Bayer Gamma Draconis Bayer name Gam Dra
Flamsteed 33 Draconis Flamsteed name 33 Dra FK5 676 Distance 47.3
Distance ly 154.29 Bayer greek γ Dra
Other names ETAMIN, RASTABAN, ZENITH STAR
Meaning sea monster
 
 
WDS 17566+5129 BU 633 AE (Eltanin) : NOTES
 
 
discov_num notes refcode
BU 633 gam Dra = 33 Dra = Eltanin = Etamin. A is variable.
Mk III Limb-darkened diameter 10.2 +/- 0.2 mas. MkT1989
Mk III Limb-darkened diameter 9.860 +/- 0.128 mas. MkT2003
AF. Smyth's quoted separation is difference in RA only. Smy1844
 
 
REFERENCES
 
 
refcode metd author reference
MkT1989 not j Hutter, D.J., Johnston, K.J., Mozurkewich, D., Simon, R.S., Colavita, M.M., Pan, 1989ApJ...340.1103H
MkT1989 X.P., Shao, M., Hines, B.E., Staelin, D.H., Hershey, J.L., Hughes, J.A. & Kaplan, .
MkT1989 G.H. .
MkT1989 ApJ 340, 1103, 1989 .
MkT2003 Km - Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A., 2003AJ....126.2502M
MkT2003 +not Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MkT2003 AJ 126, 2502, 2003
Smy1844 Ma - Smyth, W.H. 1844QB43.S66.......
Smy1844 Cycle of Celestial Objects 2, 1844
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17566+5129 BU 633 AE 2007 4 235 95.8 2.23 11.90 K5III N D 175636.38+512920.2
17566+5129 BU 633 AE 2009 5 234 94.4 2.23 11.90 K5III N D 175636.38+512920.2
17566+5129 BU 633 AE 2012 7 234 94.9 2.23 11.90 K5III N 175636.38+512920.2
17566+5129 BU 633 AE 2017 8 235 95.6 2.23 11.90 K5III N 175636.38+512920.2
17566+5129 BU 633 AE 2018 9 235 96.0 2.23 11.90 K5III N 175636.38+512920.2

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WDS 17566+5129 BU 633 AE (Eltanin) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17566+5129 BU 633 AE (Eltanin) : MEASURES
 
 
No records found.

 
 
WDS 17566+5129 (Eltanin) : VIRTUAL EYEPIECE
 
 

17566+5129 BU  633A mag 2.23 Sp K5III 17566+5129 BU  633B sep 19.6 P.A. 161.90 mag 13.4 17566+5129 BU  633C sep 31.9 P.A. 220.70 mag 12.9 17566+5129 BU  633D sep 58.8 P.A. 7.00 mag 12.9 17566+5129 BU  633E sep 73.8 P.A. 221.40 mag 11.9 17566+5129 BU  633F sep 88.4 P.A. 126.10 mag 11.67 17566+5129 BU  633G sep 133.9 P.A. 18.00 mag 11.23 virtual eyepiece
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Radius:
Components only
 
 
WDS 17566+5129 (Eltanin) : ALADIN DSS IMAGE @ 17h 56m 36.38s +51° 29' 20.2"
 
 
 
 
WDS 17566+5129 BU 633 AE (Eltanin) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17566+5129  BU  633AE (Eltanin) distance=0' 17551+5117  KPP2198 distance=19' 17574+5111  ES   78AB distance=20' 17574+5111  FOX9011AC distance=20' 17578+5107  DAM 686 distance=25' 17581+5213  STF2261AB distance=46' 17581+5213  WAL  87AC distance=46' 18001+5045  KPP1193 distance=55' 17598+5039  COU2390 distance=59' 18012+5217  KPP 407 distance=65' 17500+5103  ES  779 distance=68' 18046+5111  WIS 323 distance=77' 18041+5053  COU2391 distance=80' 17491+5047  CHR  65Aa,Ab distance=83' 17491+5047  LEP  86AB distance=83' 17499+5036  BEM9016 distance=84' 18046+5053  STF2279 distance=84' 18054+5155  COU2513 distance=86' 18003+5251  STF2271AB distance=89' 18003+5251  STF2271AC distance=89' 18061+5116  COU2514 distance=91' 17480+5224  MMA  38 distance=97' 17514+5007  BEM  30 distance=98' 17469+5054  DAM 267 distance=99' 17473+5218  CVR 863 distance=99' 17599+5304  HO  563AB distance=100' 17599+5304  HO  563AC distance=100' 17464+5102  DAM 266 distance=100' 17571+5313  TDT 595 distance=104' 18009+4954  LDS4770 distance=104' 17493+5011  ES  974 distance=105' 17514+4956  UC 3428 distance=106' 18075+5054  KPP4085 distance=109' 17452+5157  STF2225AB distance=110' 17452+5157  STF2225AC distance=110' 18000+5316  A  1886 distance=112' 17452+5157  B  9005CE distance=113' 17452+5157  STF2225CD distance=113' 17545+4938  STF2251 distance=114' 18027+5312  TDT 650 distance=117' 18091+5153  WIS 325 distance=119' 17509+4943  CBL 519 distance=120' 17433+5121  BEM9015 distance=125' 17459+5011  STF2229 distance=129' 18066+5001  COU2276Aa,Ab distance=130' 18066+5001  STF2290AB distance=130' 18066+5001  STF2290AC distance=130' 18104+5104  COU2392 distance=132' 17482+4944  COU1923 distance=133' 18109+5139  ES  642 distance=134' 17448+5016  NSN 696 distance=134' 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 Eltanin 17566+5129 BU 633 AB 152 21.1
Show Eltanin 17566+5129 BU 633 AC 234 41.2
Show Eltanin 17566+5129 BU 633 AD 11 59.5
Show Eltanin 17566+5129 BU 633 AE 235 96.0
Show Eltanin 17566+5129 BU 633 AF 114 126.0
Show Eltanin 17566+5129 BU 633 AG 28 143.6
Show 17551+5117 KPP2198 35 18.2 19
Show 17574+5111 ES 78 AB 130 8.1 20
Show 17574+5111 FOX9011 AC 194 31.6 20
Show 17578+5107 DAM 686 191 6.7 25
Show 17581+5213 STF2261 AB 261 9.6 46
Show 17581+5213 WAL 87 AC 57 64.4 46
Show 18001+5045 KPP1193 108 9.3 55
Show 17598+5039 COU2390 179 0.1 59
Show 18012+5217 KPP 407 54 4.8 65
Show 17500+5103 ES 779 342 9.4 68
Show 18046+5111 WIS 323 193 187.4 77
Show 18041+5053 COU2391 97 2.2 80
Show 17491+5047 CHR 65 Aa,Ab 112 0.1 83
Show 17491+5047 LEP 86 AB 141 209.1 83
Show 17499+5036 BEM9016 17 4.1 84
Show 18046+5053 STF2279 180 13.6 84
Show 18054+5155 COU2513 54 1.0 86
Show 18003+5251 STF2271 AB 267 3.5 89
Show 18003+5251 STF2271 AC 17 160.8 89
Show 18061+5116 COU2514 35 0.1 91
Show 17480+5224 MMA 38 180 35.7 97
Show 17514+5007 BEM 30 114 14.8 98
Show 17469+5054 DAM 267 322 3.5 99
Show 17473+5218 CVR 863 178 7.9 99
Show 17599+5304 HO 563 AB 184 0.7 100
Show 17599+5304 HO 563 AC 243 69.8 100
Show 17464+5102 DAM 266 176 5.6 100
Show 17571+5313 TDT 595 77 0.5 104
Show 18009+4954 LDS4770 213 1.5 104
Show 17493+5011 ES 974 348 2.6 105
Show 17514+4956 UC 3428 146 20.6 106
Show 18075+5054 KPP4085 249 24.9 109
Show 17452+5157 STF2225 AB 339 5.5 110
Show 17452+5157 STF2225 AC 245 230.2 110
Show 18000+5316 A 1886 339 4.7 112
Show 17452+5157 B 9005 CE 302 65.1 113
Show 17452+5157 STF2225 CD 296 8.7 113
Show 17545+4938 STF2251 20 16.1 114
Show 18027+5312 TDT 650 125 1.1 117
Show 18091+5153 WIS 325 82 999.9 119
Show 17509+4943 CBL 519 191 14.0 120
Show 17433+5121 BEM9015 265 13.0 125
Show 17459+5011 STF2229 340 6.7 129
Show 18066+5001 COU2276 Aa,Ab 4 0.3 130
Show 18066+5001 STF2290 AB 351 4.0 130

 
 
WDS 17566+5129 : COMPONENTS
 
 
  A B C D E F
B pa=161.9°
sep=19.64"
 
C pa=220.7°
sep=31.87"
pa=258.4°
sep=27.44"
 
D pa=7.0°
sep=58.82"
pa=0.8°
sep=77.06"
pa=18.7°
sep=87.14"
 
E pa=221.4°
sep=73.82"
pa=236.3°
sep=66.08"
pa=222.0°
sep=41.96"
pa=206.2°
sep=126.76"
 
F pa=126.1°
sep=88.40"
pa=117.1°
sep=73.39"
pa=106.8°
sep=96.37"
pa=149.8°
sep=127.79"
pa=88.4°
sep=120.38"
 
G pa=18.0°
sep=133.89"
pa=13.5°
sep=150.22"
pa=22.3°
sep=163.74"
pa=26.3°
sep=76.97"
pa=26.3°
sep=203.73"
pa=350.5°
sep=181.94"
 
 
17566+5129 A
 
 
Common name Eltanin Meaning sea monster Other names ETAMIN, RASTABAN, ZENITH STAR Coord arcsec 2000 175636.38+512920.2
Mag 2.23 Spectral class K5III (yellow-orange) PmRA -8.00 PmDE -19.0
SAO 30653 HIP 87833 Tycho2 3523-01684-1 HD 164058
HR 6705 GC 24432 ADS 10923 BD BD+51 2282
Bayer Gamma Draconis Bayer name Gam Dra Flamsteed 33 Draconis Flamsteed name 33 Dra
FK5 676
Tycho2
Tycho2 3523-01684-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 4.246 E BTmag 0.014 VTmag 2.381
E VTmag 0.009 Prox 999 TYC T HIP 87833
CCDM RAdeg 269.15157222 DEdeg 51.48894944 EpRA 1990 1.68
EpDE 1990 1.74 E RAdeg 3.2 E DEdeg 3.3 Posflg
Corr -0.1
SAO
SAO 30653 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 -0.02 Vmag 2.4 SpType K5
Double code Source 74 CatNum 676 DM BD+51 2282
DMcomp BDsup HD 164058 M HD 0
GC 24432 RA1950rad 4.69250502 DE1950rad 0.89874049 PmRA2000 -0.0007
PmDE2000 -0.019
Hipparcos
Catalog H HIP 87833 Proxy RAhms 17 56 36.38
DEdms +51 29 20.2 Vmag 2.24 VarFlag 1 R Vmag H
RAdeg 269.152 DEdeg 51.489 AstroRef Plx 22.1
CCDM 17566+5129 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 164058 BD BD+51 2282
CD CP Dm number +51 2282 VIred 1.54
SpType K5III R SpType Coord arcsec 2000 175636.38+512920.2
Hipparcos 2
HIP 87833 Sn 5 So 0 Nc 1
RArad 4.6975811581 DErad 0.8986517235 Plx 21.14 PmRA -8.48
PmDE -22.79 E RArad 0.1 E DErad 0.09 E Plx 0.1
E pmRA 0.11 E pmDE 0.1 Hpmag 2.3617 E Hpmag 0.0008
SHp 0.006 VA 0 BV 1.521 E BV 0.005
VI 1.54
CCDM
Ccdm 17566+5129 RComp Comp A Note1
Note2 Discov num DRAs 0.36 DDEs 20.2
R dRAs 10 Year Theta Rho
Obs 7 Vmag 2.4 Sp K5 PmNote *
PmRA -13 PmDE -20 Dm number +51 2282 Cat1 BD
Name2 +51 1174 Cat2 AGK2/3 HD 164058 M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130A
HIC 87833
 
 
17566+5129 B
 
 
Coord arcsec 2000 175637.03+512901.5 Mag 13.4 Calc delta mag 11.17 Calc coord yes
CCDM
Ccdm 17566+5129 RComp Comp B Note1
Note2 Discov num BU 633 DRAs DDEs
R dRAs Year 1878 Theta 151 Rho 20.9
Obs 7 Vmag 13.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130B
HIC
 
 
17566+5129 C
 
 
Coord arcsec 2000 175634.16+512856.0 Mag 12.9 Calc delta mag 10.67 Calc coord yes
CCDM
Ccdm 17566+5129 RComp Comp C Note1
Note2 Discov num BU 633 DRAs DDEs
R dRAs Year 1898 Theta 230 Rho 45.7
Obs 2 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130C
HIC
 
 
17566+5129 D
 
 
Coord arcsec 2000 175637.14+513018.6 Mag 12.9 PmRA -2.00 PmDE -9.0
Calc delta mag 10.67 Calc coord yes
CCDM
Ccdm 17566+5129 RComp Comp D Note1
Note2 Discov num BU 633 DRAs DDEs
R dRAs Year 1915 Theta 012 Rho 57.6
Obs 3 Vmag 12.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130D
HIC
 
 
17566+5129 E
 
 
Coord arcsec 2000 175631.15+512824.9 Mag 11.9 PmRA -2.00 PmDE -5.0
Calc delta mag 9.67 Calc coord yes
CCDM
Ccdm 17566+5129 RComp Comp E Note1
Note2 Discov num BU 633 DRAs DDEs
R dRAs Year 1913 Theta 235 Rho 96.9
Obs 3 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130E
HIC
 
 
17566+5129 F
 
 
Coord arcsec 2000 175644.03+512828.2 Mag 11.67 PmRA 1.00 PmDE -8.0
Calc delta mag 9.44 Calc coord yes
CCDM
Ccdm 17566+5129 RComp Comp F Note1
Note2 Discov num BU 633 DRAs DDEs
R dRAs Year 1879 Theta 116 Rho 125.3
Obs 4 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130F
HIC
 
 
17566+5129 G
 
 
Coord arcsec 2000 175640.80+513127.6 Mag 11.23 PmRA 3.00 PmDE 4.0
Calc delta mag 9 Calc coord yes
CCDM
Ccdm 17566+5129 RComp Comp G Note1
Note2 Discov num BU 633 DRAs DDEs
R dRAs Year 1913 Theta 028 Rho 140.1
Obs 3 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10923 M ADS BDS N IDS IDS 17543N5130G
HIC