stampa
Login

Less is more. Filter out doubles you can't observe!
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
17053+5428
BU 1088 BC


Nearby doubles
10' : 17054+5438
TDT 206

43' : 17102+5430
STF2138AB

51' : 17103+5403
SCA9002AB

56' : 16594+5407
LDS4716

57' : 17118+5432
DEA 87

59' : 16589+5444
HDS2402

71' : 17131+5408
STF2146AB

76' : 17039+5314
STTA151AB

87' : 16554+5424
LDS4707

90' : 17071+5556
CRB 199

92' : 16549+5420
SKF 52

97' : 17165+5433
SCA9003AB

99' : 17047+5250
TDT 202

117' : 16565+5558
LDS4710

122' : 17170+5337
GRV1133

124' : 17185+5346
ES 776AB

125' : 17183+5338
SWI 3

125' : 17141+5608
STT 327

127' : 17138+5246
TDT 272

130' : 16513+5347
SWI 2

131' : 16554+5252
BEM9022AB

133' : 16538+5556
UC 3250

141' : 17111+5640
MET 80

141' : 17141+5627
TDT 276

145' : 17170+5612
SLE 81

150' : 16486+5508
STF2108



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

17053+5428 BU 1088 BC

 
 
17h 05m 20.24s +54° 28' 14.1" P.A. 179.00 sep 11.0 mag 5.69,13.70 Sp F7V dist. 27.43 pc (89.48 l.y.)
 
 
Coord 2000 17053+5428 Discov num BU 1088 Comp BC Coord arcsec 2000 17 05 20.24 +54 28 14.1
Date first 1889 Date last 2020 Obs 14
Pa first 191 Pa last 178.6 P.A. Now (θ) 178.6°
Sep first 12.3 Sep last 10.98 Sep. Now (ρ) 10.98"
Mag pri 5.69 Mag sec 13.70 delta mag (ΔM) 8.01 Spectral class F7V (yellow-white)
Pri motion ra -068 Sec motion ra -075
Pri motion dec +089 Sec motion dec +089
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.06 (< 0.3, Physical double)
This double is physical.
 
 
17053+5428 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Alrakis 30239 17 05 20 +54 28 14 STF 2130 AB 2020 831 358 2.5 5.66 5.69 0.03 Y
Show 30239 17 05 20 +54 28 14 BU 1088 AC 2015 6 174 12.2 5.66 13.70 8.04
Show 30239 17 05 20 +54 28 14 BU 1088 BC 2020 14 179 11.0 5.69 13.70 8.01 Y <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco SAO 30239 HIP 83608 Tycho2 3890-01396-1
Gaia DR2 1420101696285626624 HD 154905 HR 6369 GC 23092
ADS 10345 GL Wo 9584B BD BD+54 1857 Bayer Mu Draconis
Bayer name Mu Dra Flamsteed 21 Draconis Flamsteed name 21 Dra Distance 27.43
Distance ly 89.48 Bayer greek μ Dra
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier17053+5428 STF2130 B
coord_arcsec_2000170520.24+542814.1
Period (P)3.2y Periastron (T)1915.4y Semi-major axis (a)0.026a
Eccentricity (e)0.4 Inclination (i)83.5° Longitude of periastron (ω)272.6°
Node (Ω)134.1° Notesn ReferenceStr1943
Equinox1900 Last observation1942 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 172.9 0.006
2001 308.8 0.023
2002 129.6 0.015
2003 152.2 0.012
2004 305.4 0.020
2005 66.0 0.002
2006 144.6 0.017
2007 300.0 0.015
2008 319.5 0.014
2009 140.4 0.021
2010 288.3 0.009
2011 314.5 0.022
2012 137.3 0.023
2013 246.0 0.004
2014 311.6 0.024
2015 134.3 0.022
2016 172.9 0.006
2017 308.8 0.023
2018 129.6 0.015
2019 152.2 0.012
2020 305.4 0.020
2021 66.0 0.002
2022 144.6 0.017
2023 300.0 0.015
2024 319.5 0.014
2025 140.4 0.021
2026 288.3 0.009
2027 314.5 0.022
2028 137.3 0.023
2029 246.0 0.004
2030 311.6 0.024


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


 
  


wds17053%2B5428r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 17053+5428 BU 1088 BC : NOTES
 
 
discov_num notes refcode
STF2130 mu Dra = Alrakis. Fat1941
Small motions with 3 or 6 yr periods in one of the components have
been suspected, but from the positional and RV observations Heintz
finds no evidence for them, and points out that the O-C residuals
would be increased by the hypothetical body.
AB: H 2 13. MEv2010
AB: Additional notes may be found in Simonov (1937). Smw1937
AB: Prieur et al. (2012) derive a dynamical parallax of 36.3 mas and
(using their orbital elements and the revised Hipparcos parallax of
van Leeuwen 2007 A&A 474, 653) a total mass 2.8 +/- 0.5 Msun. Pru2012
AB: Low-grade SB orbit for Ba,Bb (P=2270d, K1=2.8km/s), needs Pbx2004
confirmation (SB9) Tok2014d
BU 1088 AC: Star C (mag 13, 13.4" from the center of AB) is in slow retrograde
motion; Cf. Heintz (1966). Mt. Wilson spectral types F5s. Hei1966
 
 
REFERENCES
 
 
refcode metd author reference
Fat1941 Ma - Fatou, P. 1941JO.....24...29F
Fat1941 J. Obs. 24, 29, 1941
Hei1966 orb - Heintz, W.D. 1966VeMun...7...19H
Hei1966 Veroff. Sternw. Munchen 7, 19-28, 1966
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Pbx2004 orb - Pourbaix, D., Tokovinin, A.A., & Batten, A.H., Fekel, F.C., Hartkopf, W.I., 2004A&A...424..727P
Pbx2004 Levato, H., Morrell, N.I., Torres, G., & Udry, S.
Pbx2004 A&A 424, 727, 2004
Pru2012 S j Prieur, J.-L., Scardia, M., Pansecchi, L., Argyle, R.W., & Sala, M. 2012MNRAS.422.1057P
Pru2012 +orb MNRAS 422, 1057, 2012
Smw1937 Ma - Simonov, G.V. 1938VeBB....5.....S
Smw1937 Pub. Berlin Babelsberg Obs. 11, Pt.5, 1937
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17053+5428 BU 1088 BC 1958 12 186 13.6 5.80 13.70 N 170520.30+542815.0
17053+5428 BU 1088 BC 2020 14 179 11.0 5.69 13.70 F7V NV 170520.24+542814.1

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

 
 
WDS 17053+5428 BU 1088 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17053+5428 BU 1088 BC : MEASURES
 
 
No records found.

 
 
WDS 17053+5428 : VIRTUAL EYEPIECE
 
 

17053+5428 STF2130A mag 5.66 Sp F7V 17053+5428 BU 1088B sep 0.4 P.A. 119.80 mag 5.69 Sp F7V 17053+5428 BU 1088C sep 12.1 P.A. 176.60 mag 13.7 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 17053+5428 : ALADIN DSS IMAGE @ 17h 05m 20.24s +54° 28' 14.1"
 
 
 
 
WDS 17053+5428 BU 1088 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17053+5428 BU 1088BC distance=0' 17053+5428 STF2130AB (Alrakis) distance=1' 17053+5428 BU 1088AC (Alrakis) distance=1' 17054+5438 TDT 206 distance=10' 17102+5430 STF2138AB distance=43' 17102+5430 SHY 89AC distance=43' 17103+5403 HDS2424Aa,Ab distance=51' 17103+5403 SCA9002AB distance=51' 16594+5407 LDS4716 distance=56' 17118+5432 DEA 87 distance=57' 16589+5444 HDS2402 distance=59' 17131+5408 STF2146CD distance=70' 17131+5408 STF2146AB distance=71' 17131+5408 STF2146AC distance=71' 17039+5314 MLR 603Aa,Ab distance=76' 17039+5314 STTA151AB distance=76' 17039+5314 STTA151BC distance=77' 16554+5424 LDS4707 distance=87' 17071+5556 CRB 199 distance=90' 16549+5420 SKF 52 distance=92' 17165+5433 SCA9003AB distance=97' 17165+5433 SCA9003AC distance=97' 17165+5433 DAM 27AD distance=97' 17047+5250 TDT 202 distance=99' 16565+5558 LDS4710 distance=117' 17170+5337 GRV1133 distance=122' 17185+5346 ES 776AB distance=124' 17185+5346 ES 776BC distance=124' 17183+5338 SWI 3 distance=125' 17141+5608 STT 327 distance=125' 17138+5246 TDT 272 distance=127' 16513+5347 SWI 2 distance=130' 16554+5252 BEM9022AB distance=131' 16554+5252 DAM 260AC distance=131' 16538+5556 UC 3250 distance=133' 17111+5640 MET 80 distance=141' 17141+5627 TDT 276 distance=141' 17170+5612 SLE 81 distance=145' 16486+5508 STF2108 distance=150' 16525+5250 TDS 840 distance=151' 17185+5608 ES 1740 distance=151' 17220+5351 BU 1249AB distance=152' 17220+5351 BU 1249AB,C distance=152' 16483+5359 RAO 356 distance=153' 17210+5537 GRV1134 distance=154' 17215+5532 ES 2656 distance=155' 16503+5305 TDT 108 distance=158' 17173+5636 STI2349 distance=164' 17178+5227 LEP 81 distance=165' 17174+5638 SLE 82 distance=166' 16581+5148 STF2117 distance=174' 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 17053+5428 BU 1088 BC 179 11.0
Show Alrakis 17053+5428 STF2130 AB 358 2.5 1
Show Alrakis 17053+5428 BU 1088 AC 174 12.2 1
Show 17054+5438 TDT 206 355 0.7 10
Show 17102+5430 STF2138 AB 133 22.1 43
Show 17102+5430 SHY 89 AC 10 999.9 43
Show 17103+5403 HDS2424 Aa,Ab 158 0.5 51
Show 17103+5403 SCA9002 AB 84 79.5 51
Show 16594+5407 LDS4716 297 12.3 56
Show 17118+5432 DEA 87 129 90.2 57
Show 16589+5444 HDS2402 309 0.3 59
Show 17131+5408 STF2146 CD 225 2.8 70
Show 17131+5408 STF2146 AB 224 2.6 71
Show 17131+5408 STF2146 AC 234 89.3 71
Show 17039+5314 MLR 603 Aa,Ab 347 0.4 76
Show 17039+5314 STTA151 AB 171 88.4 76
Show 17039+5314 STTA151 BC 356 22.4 77
Show 16554+5424 LDS4707 165 10.5 87
Show 17071+5556 CRB 199 111 7.5 90
Show 16549+5420 SKF 52 116 5.3 92
Show 17165+5433 SCA9003 AB 97 44.1 97
Show 17165+5433 SCA9003 AC 332 80.7 97
Show 17165+5433 DAM 27 AD 3 40.9 97
Show 17047+5250 TDT 202 206 2.4 99
Show 16565+5558 LDS4710 192 15.3 117
Show 17170+5337 GRV1133 328 12.9 122
Show 17185+5346 ES 776 AB 153 28.5 124
Show 17185+5346 ES 776 BC 313 2.2 124
Show 17183+5338 SWI 3 180 0.5 125
Show 17141+5608 STT 327 334 0.4 125
Show 17138+5246 TDT 272 81 0.7 127
Show 16513+5347 SWI 2 197 7.1 130
Show 16554+5252 BEM9022 AB 273 12.1 131
Show 16554+5252 DAM 260 AC 203 6.2 131
Show 16538+5556 UC 3250 34 4.7 133
Show 17111+5640 MET 80 0.1 141
Show 17141+5627 TDT 276 71 0.5 141
Show 17170+5612 SLE 81 16 17.5 145
Show 16486+5508 STF2108 350 26.6 150
Show 16525+5250 TDS 840 305 1.0 151
Show 17185+5608 ES 1740 315 1.6 151
Show 17220+5351 BU 1249 AB 82 0.6 152
Show 17220+5351 BU 1249 AB,C 78 62.1 152
Show 16483+5359 RAO 356 200 3.3 153
Show 17210+5537 GRV1134 319 20.8 154
Show 17215+5532 ES 2656 64 11.1 155
Show 16503+5305 TDT 108 354 2.0 158
Show 17173+5636 STI2349 60 10.0 164
Show 17178+5227 LEP 81 216 182.9 165
Show 17174+5638 SLE 82 331 42.4 166
Show 16581+5148 STF2117 92 1.4 174

 
 
WDS 17053+5428 : COMPONENTS
 
 
  A B
B pa=119.8°
sep=0.40"
 
C pa=176.6°
sep=12.14"
pa=178.2°
sep=11.93"
 
 
17053+5428 A
 
 
Common name Alrakis Meaning dancer Other names Arrakis, Errakis Coord arcsec 2000 170520.20+542814.3
Mag 5.66 Spectral class F7V (yellow-white) PmRA -68.00 PmDE 89.0
SAO 30239 HIP 83608 Tycho2 3890-01396-2 HD 154906
HR 6370 GC 23092 BD BD+54 1857 Bayer Mu Draconis
Bayer name Mu Dra Flamsteed 21 Draconis Flamsteed name 21 Dra
Tycho2
Tycho2 3890-01396-2 Pflag P RAmdeg 256.33405978 DEmdeg 54.47032257
PmRA -68.4 PmDE 88.7 E RAmdeg 4 E DEmdeg 4
E pmRA 3.4 E pmDE 3.3 EpRAm 1991.62 EpDEm 1991.52
Num 3 Q RAmdeg 5.2 Q DEmdeg 0.2 Q pmRA 5.2
Q pmDE 0.3 BTmag 6.171 E BTmag 0.015 VTmag 5.656
E VTmag 0.009 Prox 22 TYC T HIP 83608
CCDM A RAdeg 256.33408417 DEdeg 54.46986639 EpRA 1990 1.62
EpDE 1990 1.52 E RAdeg 3.7 E DEdeg 3.8 Posflg D
Corr -0.1
SAO
SAO 30239 DelFlag RA1950 PmRA1950 -0.0091
DE1950 PmDE1950 0.084 Vmag 5.1 SpType F5
Double code Source 70 CatNum 23092 DM BD+54 1857
DMcomp BDsup HD 154905 M HD 9
GC 23092 RA1950rad 4.46930511 DE1950rad 0.95182475 PmRA2000 -0.0084
PmDE2000 0.085
Hipparcos
Catalog H HIP 83608 Proxy H RAhms 17 05 20.18
DEdms +54 28 11.5 Vmag 4.91 VarFlag R Vmag H
RAdeg 256.334 DEdeg 54.4699 AstroRef A Plx 37.08
CCDM 17053+5428 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 30 Rho 2.16 HD 154905 BD BD+54 1857
CD CP Dm number +54 1857 VIred 0.54
SpType F5 R SpType Coord arcsec 2000 170520.18+542811.5
Hipparcos 2
HIP 83608 Sn 15 So 3 Nc 2
RArad 4.4738739148 DErad 0.9506784466 Plx 36.45 PmRA -58.16
PmDE 67.87 E RArad 0.45 E DErad 0.42 E Plx 0.46
E pmRA 0.56 E pmDE 0.64 Hpmag 5.017 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.471 E BV 0.001
VI 0.54
CCDM
Ccdm 17053+5428 RComp Comp A Note1
Note2 Discov num DRAs 2.15 DDEs 12.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.8 Sp F5 PmNote *
PmRA -89 PmDE 63 Dm number +54 1857 Cat1 BD
Name2 +54 1079 Cat2 AGK2/3 HD 154906 M HD
ADS BDS A10345 M ADS BDS N IDS IDS 17033N5436A
HIC 83608
 
 
17053+5428 B
 
 
Coord arcsec 2000 170520.24+542814.1 Coord calc 170520.24+542814.1 Mag 5.69 Spectral class F7V (yellow-white)
PmRA -68.00 PmDE 89.0 Tycho2 3890-01396-1 HD 154905
HR 6369 Flamsteed 21 Draconis Flamsteed name 21 Dra Calc delta mag 0.03
Tycho2
Tycho2 3890-01396-1 Pflag P RAmdeg 256.33405978 DEmdeg 54.47032257
PmRA -68.4 PmDE 88.7 E RAmdeg 4 E DEmdeg 4
E pmRA 3.4 E pmDE 3.3 EpRAm 1991.62 EpDEm 1991.52
Num 3 Q RAmdeg 5.2 Q DEmdeg 0.2 Q pmRA 5.2
Q pmDE 0.3 BTmag 6.224 E BTmag 0.014 VTmag 5.693
E VTmag 0.009 Prox 22 TYC T HIP 83608
CCDM B RAdeg 256.33460611 DEdeg 54.47038444 EpRA 1990 1.64
EpDE 1990 1.54 E RAdeg 3.8 E DEdeg 3.8 Posflg D
Corr -0.1
CCDM
Ccdm 17053+5428 RComp Comp B Note1 *
Note2 @ Discov num STF2130 DRAs DDEs
R dRAs Year 1828 Theta Rho
Obs 99 Vmag 5.8 Sp F5 PmNote
PmRA -72 PmDE 77 Dm number Cat1
Name2 Cat2 HD 154905 M HD
ADS BDS A10345 M ADS BDS N IDS IDS 17033N5436B
HIC 83608
 
 
17053+5428 C
 
 
Coord arcsec 2000 170520.28+542802.2 Mag 13.7 PmRA -75.00 PmDE 89.0
Calc delta mag 8.04 Calc coord yes
CCDM
Ccdm 17053+5428 RComp Comp C Note1
Note2 Discov num BU 1088 DRAs DDEs
R dRAs Year 1958 Theta 175 Rho 13.2
Obs 3 Vmag 13.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A10345 M ADS BDS N N IDS IDS 17033N5436C
HIC