16566+5711 A 1143 AB

 
 
16h 56m 34.99s +57° 11' 17.2" P.A. 219.00 sep 0.3 mag 9.44,9.72 Sp G0 dist. 88.81 pc (289.7 l.y.)
 
 
Coord 2000 16566+5711 Discov num A  1143 Comp AB Coord arcsec 2000 16 56 34.99 +57 11 17.2
Date first 1905 Date last 2016 Obs 47
Pa first 252 Pa last 219 P.A. Now (θ) 199°
Sep first 0.4 Sep last 0.289 Sep. Now (ρ) 0.227"
Mag pri 9.44 Mag sec 9.72 delta mag (ΔM) 0.28 Spectral class G0 (yellow)
Pri motion ra +027 Sec motion ra +027
Pri motion dec -014 Sec motion dec -014
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
16566+5711 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 30169 16 56 35 +57 11 17 A 1143 AB 2016 47 219 0.3 9.44 9.72 0.28 Y <===
Show HD 153495 30169 16 56 35 +57 11 17 A 1143 AB,CD 2015 18 2 100.5 8.90 10.21 1.31
Show 30169 16 56 35 +57 11 17 A 1143 AB,E 2015 9 351 52.9 8.90 13.50 4.60
Show 30170 16 56 35 +57 12 57 A 1143 CD 2016 26 139 0.7 10.72 10.85 0.13
Quintuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30169 HIP 82910 Tycho2 3894-00576-1
HD 153495 ADS 10276 BD BD+57 1716 Distance 88.81
Distance ly 289.7
 
 
ORBITAL ELEMENTS
 
 
Period (P)88.2y Periastron (T)1949.8y Semi-major axis (a)0.29a
Eccentricity (e)0.632 Inclination (i)136.4° Longitude of periastron (ω)39.2°
Node (Ω)101.7° Notesn ReferenceHrt2000c
Equinox2000 Last observation1997 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 244.3 0.404
2001 243.1 0.399
2002 241.9 0.394
2003 240.7 0.389
2004 239.4 0.383
2005 238.0 0.377
2006 236.7 0.371
2007 235.2 0.364
2008 233.8 0.358
2009 232.2 0.350
2010 230.6 0.343
2011 229.0 0.335
2012 227.2 0.327
2013 225.4 0.319
2014 223.4 0.311
2015 221.4 0.302
2016 219.2 0.293
2017 216.9 0.284
2018 214.4 0.275
2019 211.8 0.266
2020 209.0 0.256
2021 205.9 0.247
2022 202.6 0.237
2023 199.0 0.227
2024 195.2 0.218
2025 190.9 0.208
2026 186.3 0.199
2027 181.2 0.190
2028 175.6 0.181
2029 169.4 0.173
2030 162.6 0.165


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds16566%2B5711a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 16566+5711 A 1143 AB : NOTES
 
 
discov_num notes refcode
A 1143 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 2.20 +/- 0.87, 2.16, and 1.05 Msun, respectively. Mlk2012
CD = BD +57 1717 (0.8") is 97" from AB and not associated with it
as the proper motions differ.
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2000c orb - Hartkopf, W.I. & Mason, B.D. 2000IAUDS.142....1H
Hrt2000c Inf. Circ. 142, 1, 2000
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16566+5711 A 1143 AB 1997 38 247 0.4 9.44 9.72 G0 NOD 165634.99+571117.2
16566+5711 A 1143 AB 2006 39 236 0.4 9.44 9.72 G0 NOD 165634.99+571117.2
16566+5711 A 1143 AB 2008 40 234 0.4 9.44 9.72 G0 NOD 165634.99+571117.2
16566+5711 A 1143 AB 2016 41 219 0.3 9.44 9.72 G0 NO 165634.99+571117.2

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WDS 16566+5711 A 1143 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16566+5711 A 1143 AB : MEASURES
 
 
No records found.

 
 
WDS 16566+5711 : VIRTUAL EYEPIECE
 
 

16566+5711 A  1143A mag 9.44 Sp G0 16566+5711 A  1143B sep 0.2 P.A. 203.70 mag 9.72 16566+5711 A  1143C sep 99.8 P.A. 2.30 mag 10.72 Sp K5 16566+5711 A  1143D sep 99.3 P.A. 2.50 mag 10.85 16566+5711 A  1143E sep 52.4 P.A. 355.20 mag 13.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 16566+5711 : ALADIN DSS IMAGE @ 16h 56m 34.99s +57° 11' 17.2"
 
 
 
 
WDS 16566+5711 A 1143 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


16566+5711  A  1143AB distance=0' 16566+5711  A  1143CD distance=2' 16544+5802  MLR 431 distance=54' 16523+5817  CRB 197 distance=74' 16565+5558  LDS4710 distance=75' 16490+5757  STI2346 distance=77' 16538+5556  UC 3250 distance=79' 16485+5807  RAO 357 distance=86' 16497+5816  MLR 430 distance=86' 16453+5647  MCA  44 distance=96' 17084+5758  CVR1692 distance=107' 17071+5556  CRB 199 distance=116' 16453+5559  UC 3225 distance=118' 16420+5711  HDS2371 distance=119' 17103+5801  CVR1696 distance=121' 17111+5640  MET  80 distance=124' 17070+5844  GRV1132 distance=128' 16484+5903  PRB   7 distance=130' 17129+5712  TOI1453 distance=133' 17037+5914  UC 3280 distance=136' 16437+5544  MLR 570 distance=138' 16486+5508  STF2108 distance=141' 16396+5744  TDT  22 distance=141' 16589+5444  HDS2402 distance=149' 16430+5533  TDT  45 distance=150' 17141+5627  TDT 276 distance=151' 17051+5927  CVR 197 distance=152' 16489+5930  STT 316 distance=152' 17053+5927  MLR 353 distance=153' 17033+5935  STF2128 distance=154' 17073+5920  MLR 354 distance=155' 17126+5838  DAM 987 distance=155' 17128+5837  DAM 989 distance=155' 16549+5948  LDS2403 distance=156' 17141+5608  STT 327 distance=158' 17159+5732  CVR 858 distance=158' 16398+5550  KPP 374 distance=162' 16590+5954  GRV1129 distance=166' 16379+5608  A  1140 distance=167' 17027+5952  STI 813 distance=168' 16554+5424  LDS4707 distance=169' 17054+5438  TDT 206 distance=171' 16369+5618  STI2345 distance=171' 16542+6001  LDS2402 distance=171' 16549+5420  SKF  52 distance=172' 16435+5457  KPP2323 distance=174' 17053+5428  STF2130AB (Alrakis) distance=179' 17053+5428  BU 1088AC (Alrakis) distance=179' 17053+5428  BU 1088BC distance=179' 16470+5954  UC  223 distance=180' 17020+6008  GRV1130 distance=184' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 16566+5711 A 1143 AB 219 0.3
Show 16566+5711 A 1143 AB,CD 2 100.5
Show 16566+5711 A 1143 AB,E 351 52.9
Show 16566+5711 A 1143 CD 139 0.7 2
Show 16544+5802 MLR 431 10 2.2 54
Show 16523+5817 CRB 197 243 22.3 74
Show 16565+5558 LDS4710 192 15.3 75
Show 16490+5757 STI2346 104 15.5 77
Show 16538+5556 UC 3250 34 4.7 79
Show 16485+5807 RAO 357 270 0.6 86
Show 16497+5816 MLR 430 159 0.1 86
Show 16453+5647 MCA 44 144 0.0 96
Show 17084+5758 CVR1692 279 3.9 107
Show 17071+5556 CRB 199 111 7.5 116
Show 16453+5559 UC 3225 27 13.2 118
Show 16420+5711 HDS2371 72 0.9 119
Show 17103+5801 CVR1696 322 4.5 121
Show 17111+5640 MET 80 0.1 124
Show 17070+5844 GRV1132 176 19.2 128
Show 16484+5903 PRB 7 114 999.9 130
Show 17129+5712 TOI1453 305 1.9 133
Show 17037+5914 UC 3280 339 47.7 136
Show 16437+5544 MLR 570 350 1.3 138
Show 16486+5508 STF2108 350 26.6 141
Show 16396+5744 TDT 22 327 1.1 141
Show 16589+5444 HDS2402 309 0.3 149
Show 16430+5533 TDT 45 43 0.9 150
Show 17141+5627 TDT 276 71 0.5 151
Show 17051+5927 CVR 197 103 12.4 152
Show 16489+5930 STT 316 348 46.6 152
Show 17053+5927 MLR 353 354 0.7 153
Show 17033+5935 STF2128 42 12.2 154
Show 17073+5920 MLR 354 289 1.7 155
Show 17126+5838 DAM 987 42 2.6 155
Show 17128+5837 DAM 989 13 5.2 155
Show 16549+5948 LDS2403 129 4.8 156
Show 17141+5608 STT 327 334 0.4 158
Show 17159+5732 CVR 858 191 29.8 158
Show 16398+5550 KPP 374 25 3.7 162
Show 16590+5954 GRV1129 315 44.9 166
Show 16379+5608 A 1140 123 3.4 167
Show 17027+5952 STI 813 66 11.1 168
Show 16554+5424 LDS4707 165 10.5 169
Show 17054+5438 TDT 206 355 0.7 171
Show 16369+5618 STI2345 75 4.3 171
Show 16542+6001 LDS2402 113 99.0 171
Show 16549+5420 SKF 52 116 5.3 172
Show 16435+5457 KPP2323 278 19.7 174
Show Alrakis 17053+5428 STF2130 AB 358 2.5 179
Show Alrakis 17053+5428 BU 1088 AC 174 12.2 179
Show 17053+5428 BU 1088 BC 179 11.0 179

 
 
WDS 16566+5711 : COMPONENTS
 
 
  A B C D
B pa=203.7°
sep=0.25"
 
C pa=2.3°
sep=99.78"
pa=2.4°
sep=100.01"
 
D pa=2.5°
sep=99.27"
pa=2.5°
sep=99.49"
pa=155.0°
sep=0.58"
 
E pa=355.2°
sep=52.43"
pa=355.3°
sep=52.64"
pa=190.1°
sep=48.20"
pa=190.5°
sep=47.72"
 
 
16566+5711 A
 
 
Coord arcsec 2000 165634.99+571117.2 Mag 9.44 Spectral class G0 (yellow) PmRA 27.00
PmDE -14.0 SAO 30169 HIP 82910 Tycho2 3894-00576-1
HD 153495 BD BD+57 1716
Tycho2
Tycho2 3894-00576-1 Pflag RAmdeg 254.14599284 DEmdeg 57.18809202
PmRA 27.1 PmDE -13.8 E RAmdeg 8 E DEmdeg 9
E pmRA 1.5 E pmDE 1.6 EpRAm 1991.08 EpDEm 1990.94
Num 8 Q RAmdeg 2.1 Q DEmdeg 0.8 Q pmRA 2.3
Q pmDE 0.8 BTmag 9.561 E BTmag 0.020 VTmag 8.900
E VTmag 0.014 Prox 996 TYC T HIP 82910
CCDM AB RAdeg 254.14587750 DEdeg 57.18812361 EpRA 1990 1.75
EpDE 1990 1.74 E RAdeg 8.2 E DEdeg 8.6 Posflg P
Corr 0.0
SAO
SAO 30169 DelFlag RA1950 PmRA1950 0.0029
DE1950 PmDE1950 -0.024 Vmag 8.6 SpType G0
Double code Source 38 CatNum 9055 DM BD+57 1716
DMcomp BDsup HD 153495 M HD 0
GC RA1950rad 4.43174416 DE1950rad 0.99945958 PmRA2000 0.0038
PmDE2000 -0.022
Hipparcos
Catalog H HIP 82910 Proxy H RAhms 16 56 34.99
DEdms +57 11 17.2 Vmag 8.87 VarFlag R Vmag G
RAdeg 254.146 DEdeg 57.1881 AstroRef B Plx 11.9
CCDM 16566+5712 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 74 Rho 0.433 HD 153495 BD BD+57 1716
CD CP Dm number +57 1716 VIred 0.67
SpType G0 R SpType Coord arcsec 2000 165634.99+571117.2
Hipparcos 2
HIP 82910 Sn 15 So 3 Nc 2
RArad 4.4356805322 DErad 0.9981207897 Plx 11.26 PmRA 26.82
PmDE -20.16 E RArad 1.25 E DErad 0.83 E Plx 1.09
E pmRA 1.42 E pmDE 0.99 Hpmag 8.9426 E Hpmag 0.0017
SHp 0.016 VA 0 BV 0.6 E BV 0.015
VI 0.67
 
 
16566+5711 B
 
 
Coord arcsec 2000 165634.98+571117.0 Mag 9.72 PmRA 27.00 PmDE -14.0
Calc delta mag 0.28 Calc coord yes
 
 
16566+5711 C
 
 
Coord arcsec 2000 165635.49+571256.9 Mag 10.72 Spectral class K5 (yellow-orange) PmRA -12.00
PmDE 30.0 SAO 30170 Tycho2 3894-00682-1 HD 238627
DM BD+57 1717 Calc delta mag 1.28
Tycho2
Tycho2 3894-00682-1 Pflag RAmdeg 254.14789271 DEmdeg 57.21583184
PmRA -12.2 PmDE 29.8 E RAmdeg 18 E DEmdeg 18
E pmRA 1.7 E pmDE 1.8 EpRAm 1988.50 EpDEm 1988.66
Num 7 Q RAmdeg 0.7 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.6 BTmag 10.749 E BTmag 0.037 VTmag 10.212
E VTmag 0.031 Prox 996 TYC T HIP
CCDM RAdeg 254.14794472 DEdeg 57.21576500 EpRA 1990 1.74
EpDE 1990 1.76 E RAdeg 20.2 E DEdeg 20.3 Posflg P
Corr 0.0
SAO
SAO 30170 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 0.022 Vmag 9.3 SpType K5
Double code Source 38 CatNum 9056 DM BD+57 1717
DMcomp BDsup HD 238627 M HD 0
GC RA1950rad 4.43180156 DE1950rad 0.99993204 PmRA2000 0
PmDE2000 0.024
 
 
16566+5711 D
 
 
Coord arcsec 2000 165635.52+571256.4 Mag 10.85 PmRA -12.00 PmDE 30.0
Calc delta mag 1.41 Calc coord yes
 
 
16566+5711 E
 
 
Coord arcsec 2000 165634.45+571209.4 Mag 13.5 PmRA 22.00 PmDE 53.0
Calc delta mag 4.06 Calc coord yes