17419+7209 STF 2241 AB (Dziban)

 
 
17h 41m 56.36s +72° 08' 55.8" P.A. 14.00 sep 29.6 mag 4.60,5.59 Sp F5IV+F8V dist. 22.84 pc (74.5 l.y.)
 
 
Coord 2000 17419+7209 Discov num STF2241 Comp AB Coord arcsec 2000 17 41 56.36 +72 08 55.8
Date first 1800 Date last 2019 Obs 183
Pa first 14 Pa last 14 P.A. Now (θ) 14°
Sep first 32.0 Sep last 29.6 Sep. Now (ρ) 29.6"
Mag pri 4.60 Mag sec 5.59 delta mag (ΔM) 0.99 Spectral class F5IV+F8V (yellow-white/yellow-white)
Pri motion ra +027 Sec motion ra +029
Pri motion dec -270 Sec motion dec -277
Notes N O Z (See Notes, Orbital solution, Parallax indicates components are physical)
rPM=0.026 (< 0.3, Physical double)
This double is physical.
 
 
17419+7209 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Dziban 8890 17 41 56 +72 08 56 STF 2241 AB 2019 183 14 29.6 4.60 5.59 0.99 Y <===
Show 8890 17 41 56 +72 08 56 STF 2241 AC 2004 14 107 78.1 4.60 11.05 6.45
Show 8890 17 41 56 +72 08 56 STF 2241 AD 2004 3 66 105.9 4.60 12.98 8.38
Show 8890 17 41 56 +72 08 56 PIN 11 AE 1999 1 144 69.0 3.50 14.18 10.68
Show 17 42 13 +72 08 32 STF 2241 CD 2015 8 19 69.4 11.05 12.98 1.93
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Dziban Constellation Draco SAO 8890 HIP 86614
Tycho2 4436-01425-1 Gaia DR2 1651268660202647296 HD 162003 HR 6636
GC 24089 ADS 10759 GL Gl 694.1A DM BD+72 805
BD BD+72 804 Bayer Psi Draconis Bayer name Psi Dra Flamsteed 31 Draconis
Flamsteed name 31 Dra FK5 670 Distance 22.84 Distance ly 74.5
Bayer greek ψ Dra
Other names DSIBAN
Meaning the two jackals
 
 
ORBITAL ELEMENTS
 
 
Period (P)100c± 33 Periastron (T)3817y± 500 Semi-major axis (a)31a± 7
Eccentricity (e)0.28± 0.07 Inclination (i)55°± 4 Longitude of periastron (ω)99°± 36
Node (Ω)16°± 1 Notesn ReferenceKis2009
Equinox Last observation2001 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 16.7 29.677
2001 16.8 29.671
2002 16.8 29.665
2003 16.8 29.659
2004 16.8 29.653
2005 16.9 29.647
2006 16.9 29.642
2007 16.9 29.636
2008 16.9 29.630
2009 16.9 29.624
2010 17.0 29.618
2011 17.0 29.611
2012 17.0 29.605
2013 17.0 29.599
2014 17.1 29.593
2015 17.1 29.587
2016 17.1 29.581
2017 17.1 29.575
2018 17.1 29.569
2019 17.2 29.563
2020 17.2 29.557
2021 17.2 29.551
2022 17.2 29.545
2023 17.2 29.538
2024 17.3 29.532
2025 17.3 29.526
2026 17.3 29.520
2027 17.3 29.514
2028 17.4 29.508
2029 17.4 29.501
2030 17.4 29.495


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



 
 


wds17419%2B7209a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 17419+7209 STF 2241 AB (Dziban) : NOTES
 
 
discov_num notes refcode
STF2241 psi 1 Dra = Dziban. LDS1874. B is BD+72@805.
CHARA Array Limb-darkened diameter 0.949 +/- 0.026 mas, CIA2012e
R = 2.329 +/- 0.067 \rsun, L = 6.343 +/-0.153 \lsun,
Teff = 6014 +/- 90 K, M = 1.311 +/- 0.016 \msun,
Age = 3.8 +/- 0.1 Gyr.
A premature orbit has been computed.
A family of possible orbital solutions are determined by Romanenko Rmn1994
(1994), with periods ranging from 5,200 to 120,000 years, using the
method of apparent motion parameters and incorporating parallax and
radial velocity information.
STF2241 AB: H 4 7. MEv2010
31 Dra. Toyota et al. (2009) monitored the RV of both the A and B
components every 1-2 months between 2003 Mar - 2007 Nov, using a
high-dispersion echelle (precision ~10 m/s). The A component exhibits
a linear trend in RV, with a slope +220 m/s/y. Toyota et al. assert
that these variations are due to an unseen companion. Assuming a
circular orbit, period is estimated at 3200d; minimum mass of the
unseen star ~50 Mjup. Standard deviation of radial velocities for the
B component <40 m/s and velocities show no periodic variation. This
result rejects the association of a planet of mass > 1.8 Mjup Toy2009
AC: Rectilinear solution by Hurowitz et al. (2014). USN2014a
 
 
REFERENCES
 
 
refcode metd author reference
CIA2012e not j Boyajian, T.S., McAlister, H.A., van Belle, G., Gies, D.R., ten Brummelaar, T.A., 2012ApJ...746..101B
CIA2012e von Braun, K., Farrington, C., Goldfinger, P.J., O'Brien, D., Parks, J.R., .
CIA2012e Richardson, N.D., Ridgway, S., Schaefer, G., Sturmann, L., Sturmann, J., Touhami, .
CIA2012e Y., Turner, N.H. & White, R. .
CIA2012e ApJ 746, 101, 2012 .
Kis2009 orb - Kiselev, A.A., Romanenko, J.G., & Kalinichenko, O.A. 2009ARep...53..126K
Kis2009 ARep 53, 126, 2009 (SvAL 86, 148, 2009)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Rmn1994 orb - Romanenko, L.G. 1994ARep...38..779R
Rmn1994 SvA 71, 875, 1994 (ARep 38, 779, 1994)
Toy2009 rv - Toyota, E., Itoh, Y., Ishiguma, S., Urakawa, S., Murata, D., Oasa, Y., 2008PASJ...61...19T
Toy2009 Matsuyama, H., Funayama, H., Sato, B., & Mukai, T.
Toy2009 PASJ 61, 19, 2009
USN2014a lin - Hurowitz, J.L., Hartkopf, W.I., & Mason, B.D. 2014IAUDS.182....1H
USN2014a Inf. Circ. 182, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 PIN Pinfield, D.J., Jones, H.R.A., Lucas, P.W., Kendall, T.R., Folkes, S.L.,
1 PIN Day-Jones, A.C., Chappelle, R.J., & Steele, I.A.
2 PIN Pinfield, D.J., Burningham, B., Lodieu, N., Leggett, S.K., Tinney, C.G.,
2 PIN van Spaandonk, L., Marocco, F., Smart, R., Gomes, J., Smith, L., Lucas, P.W.,
2 PIN Day-Jones, A.C., et al.
3 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
17419+7209 STF2241 AB 2007 141 16 29.9 4.60 5.59 F5IV F8V NODV 174156.31+720858.2
17419+7209 STF2241 AB 2008 143 16 29.9 4.60 5.59 F5IV F8V NODV 174156.31+720858.2
17419+7209 STF2241 AB 2009 147 16 30.0 4.60 5.59 F5IV F8V NOD 174156.31+720858.2
17419+7209 STF2241 AB 2010 148 16 30.0 4.60 5.59 F5IV F8V NOD 174156.31+720858.2
17419+7209 STF2241 AB 2013 166 16 30.0 4.60 5.59 F5IV F8V NOD 174156.31+720858.2
17419+7209 STF2241 AB 2014 167 16 30.0 4.60 5.59 F5IV F8V NODZ 174156.31+720858.2
17419+7209 STF2241 AB 2015 172 16 30.2 4.60 5.59 F5IV+F8V NO Z 174156.31+720858.2
17419+7209 STF2241 AB 2016 176 16 30.1 4.60 5.59 F5IV+F8V NO Z 174156.36+720855.8
17419+7209 STF2241 AB 2017 177 14 30.1 4.60 5.59 F5IV+F8V NO Z 174156.36+720855.8
17419+7209 STF2241 AB 2018 180 17 30.1 4.60 5.59 F5IV+F8V NO Z 174156.36+720855.8
17419+7209 STF2241 AB 2019 181 14 29.6 4.60 5.59 F5IV+F8V NO Z 174156.36+720855.8

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

 
 
WDS 17419+7209 STF 2241 AB (Dziban) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 22/07/21 daedalus1 mean difficulty separated 16   Seeing: Pickering 8, excellent. Measures: theta 016, rho 30.0 +/- 0.212. Busy star field. C component barely visible.

 
 
WDS 17419+7209 STF 2241 AB (Dziban) : MEASURES
 
 
No records found.

 
 
WDS 17419+7209 (Dziban) : VIRTUAL EYEPIECE
 
 

17419+7209 STF2241A mag 4.6 Sp F5IV 17419+7209 STF2241B sep 28.8 P.A. 4.40 mag 5.59 Sp F8V 17419+7209 STF2241C sep 79.1 P.A. 107.70 mag 11.05 17419+7209 STF2241D sep 52.4 P.A. 34.40 mag 12.98 17419+7209 PIN  11E sep 57.3 P.A. 167.50 mag 14.18 Sp L? virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 17419+7209 (Dziban) : ALADIN DSS IMAGE @ 17h 41m 56.36s +72° 08' 55.8"
 
 
 
 
WDS 17419+7209 STF 2241 AB (Dziban) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


17419+7209  STF2241AB (Dziban) distance=1' 17419+7209  STF2241AC (Dziban) distance=1' 17419+7209  STF2241AD (Dziban) distance=1' 17419+7209  PIN  11AE (Dziban) distance=1' 17419+7209  STF2241CD distance=2' 17411+7225  GIC 148 distance=17' 17418+7140  MLR 202 distance=30' 17397+7256  H 1  41 distance=48' 17386+7120  WOR   7 distance=52' 17289+7208  KPP1876AB distance=60' 17494+7306  LDS1878 distance=66' 17373+7105  LDS1872 distance=69' 17377+7102  HEI 863AB distance=71' 17377+7102  HEI 863AC distance=71' 17394+7059  SKF2736 distance=71' 17464+7059  UC 3402 distance=73' 17284+7255  TDT 369 distance=77' 17279+7112  A  1154 distance=88' 17227+7147  CBL 516 distance=92' 17254+7306  TDT 343 distance=94' 17299+7050  TDT 381 distance=98' 17350+7344  WIS 319 distance=101' 17245+7111  LDS1866 distance=101' 17231+7313  TDT 329 distance=106' 17266+7331  MLR 201 distance=107' 17393+7020  A  1372 distance=113' 17420+7005  CRB 200 distance=124' 17232+7350  CBL  68 distance=131' 17334+7414  LDS1871 distance=131' 17315+7412  MLR 204 distance=132' 17535+7009  A  1373 distance=133' 17536+7417  MLR 211 distance=138' 17413+6948  HZG  11 distance=141' 17531+7423  LDS1880AB distance=144' 17292+7426  LDS1868 distance=148' 17296+6953  MLR 188 distance=149' 17295+6953  UR   11 distance=150' 17285+7430  A  1155 distance=153' 17417+7442  TDT 466 distance=154' 17249+7431  SKF1053 distance=160' 17425+7456  MLR 207 distance=167' 17427+7459  UC 3388 distance=171' 17338+7503  UC  232 distance=178' 17370+6845  FOX 203 distance=205' 17571+6849  LDS1459 distance=214' 17326+6834  LDS9182AB,C distance=220' 17326+6834  DAM1455AB distance=220' 17474+7549  MLR 210 distance=221' 17295+7547  UC 3353 distance=225' 17364+6820  CHR  62Aa,Ab distance=228' 17364+6820  ENG  61AB distance=228' 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 Dziban 17419+7209 STF2241 AB 14 29.6 1
Show Dziban 17419+7209 STF2241 AC 107 78.1 1
Show Dziban 17419+7209 STF2241 AD 66 105.9 1
Show Dziban 17419+7209 PIN 11 AE 144 69.0 1
Show 17419+7209 STF2241 CD 19 69.4 2
Show 17411+7225 GIC 148 28 89.6 17
Show 17418+7140 MLR 202 112 0.3 30
Show 17397+7256 H 1 41 335 0.9 48
Show 17386+7120 WOR 7 228 8.5 52
Show 17289+7208 KPP1876 AB 179 14.6 60
Show 17494+7306 LDS1878 106 10.1 66
Show 17373+7105 LDS1872 71 3.9 69
Show 17377+7102 HEI 863 AB 9 4.1 71
Show 17377+7102 HEI 863 AC 84 4.9 71
Show 17394+7059 SKF2736 260 14.0 71
Show 17464+7059 UC 3402 2 10.2 73
Show 17284+7255 TDT 369 166 0.5 77
Show 17279+7112 A 1154 248 0.9 88
Show 17227+7147 CBL 516 160 10.3 92
Show 17254+7306 TDT 343 182 1.7 94
Show 17299+7050 TDT 381 320 0.8 98
Show 17350+7344 WIS 319 94 556.4 101
Show 17245+7111 LDS1866 343 5.1 101
Show 17231+7313 TDT 329 273 0.8 106
Show 17266+7331 MLR 201 261 0.4 107
Show 17393+7020 A 1372 83 1.1 113
Show 17420+7005 CRB 200 198 14.6 124
Show 17232+7350 CBL 68 358 44.7 131
Show 17334+7414 LDS1871 232 33.3 131
Show 17315+7412 MLR 204 51 3.2 132
Show 17535+7009 A 1373 334 2.8 133
Show 17536+7417 MLR 211 189 2.5 138
Show 17413+6948 HZG 11 287 3.1 141
Show 17531+7423 LDS1880 AB 55 2.6 144
Show 17292+7426 LDS1868 133 3.0 148
Show 17296+6953 MLR 188 197 1.8 149
Show 17295+6953 UR 11 3 5.5 150
Show 17285+7430 A 1155 287 0.6 153
Show 17417+7442 TDT 466 126 0.7 154
Show 17249+7431 SKF1053 226 3.1 160
Show 17425+7456 MLR 207 135 0.2 167
Show 17427+7459 UC 3388 305 47.7 171
Show 17338+7503 UC 232 1 13.7 178
Show 17370+6845 FOX 203 249 77.2 205
Show 17571+6849 LDS1459 141 17.4 214
Show 17326+6834 LDS9182 AB,C 193 22.6 220
Show 17326+6834 DAM1455 AB 214 1.0 220
Show 17474+7549 MLR 210 82 0.6 221
Show 17295+7547 UC 3353 333 14.7 225
Show 17364+6820 CHR 62 Aa,Ab 352 0.3 228
Show 17364+6820 ENG 61 AB 209 177.7 228

 
 
WDS 17419+7209 : COMPONENTS
 
 
  A B C D
B pa=4.4°
sep=28.80"
 
C pa=107.7°
sep=79.11"
pa=125.8°
sep=90.18"
 
D pa=34.4°
sep=52.40"
pa=62.1°
sep=31.01"
pa=325.8°
sep=81.31"
 
E pa=167.5°
sep=57.27"
pa=173.1°
sep=85.24"
pa=243.1°
sep=70.62"
pa=189.8°
sep=100.62"
 
 
17419+7209 A
 
 
Common name Dziban Meaning the two jackals Other names DSIBAN Coord arcsec 2000 174156.36+720855.8
Mag 4.6 Spectral class F5IV (yellow-white) PmRA 27.00 PmDE -270.0
SAO 8890 HIP 86614 Tycho2 4436-01425-1 HD 162003
HR 6636 GC 24089 ADS 10759 BD BD+72 804
Bayer Psi 1 Draconis Bayer name Psi1 Dra Flamsteed 31 Draconis Flamsteed name 31 Dra
FK5 670
Tycho2
Tycho2 4436-01425-1 Pflag RAmdeg 265.48480656 DEmdeg 72.14884700
PmRA 25.4 PmDE -267.8 E RAmdeg 4 E DEmdeg 3
E pmRA 0.6 E pmDE 0.7 EpRAm 1990.86 EpDEm 1991.38
Num 16 Q RAmdeg 2.2 Q DEmdeg 1.0 Q pmRA 2.7
Q pmDE 1.1 BTmag 5.057 E BTmag 0.014 VTmag 4.600
E VTmag 0.009 Prox 302 TYC T HIP 86614
CCDM A RAdeg 265.48461611 DEdeg 72.14946139 EpRA 1990 1.65
EpDE 1990 1.74 E RAdeg 3.5 E DEdeg 3.4 Posflg
Corr 0.1
SAO
SAO 8890 DelFlag RA1950 PmRA1950 0.0033
DE1950 PmDE1950 -0.267 Vmag 4.9 SpType F5
Double code Source 74 CatNum 670 DM BD+72 804
DMcomp BDsup HD 162003 M HD 0
GC 24089 RA1950rad 4.63743304 DE1950rad 1.25967303 PmRA2000 0.0056
PmDE2000 -0.267
Hipparcos
Catalog H HIP 86614 Proxy RAhms 17 41 56.31
DEdms +72 08 58.2 Vmag 4.57 VarFlag R Vmag H
RAdeg 265.485 DEdeg 72.1495 AstroRef A Plx 45.38
CCDM 17420+7209 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual D M HIP
Theta Rho HD 162003 BD BD+72 804
CD CP Dm number +72 804 VIred 0.49
SpType F5IV-V R SpType Coord arcsec 2000 174156.31+720858.2
Hipparcos 2
HIP 86614 Sn 95 So 3 Nc 1
RArad 4.6335806147 DErad 1.2592463153 Plx 43.79 PmRA 25.32
PmDE -268.47 E RArad 0.39 E DErad 0.34 E Plx 0.45
E pmRA 0.43 E pmDE 0.54 Hpmag 4.6681 E Hpmag 0.0042
SHp 0.005 VA 0 BV 0.434 E BV 0.004
VI 0.5
 
 
17419+7209 B
 
 
Coord arcsec 2000 174156.84+720924.5 Mag 5.59 Spectral class F8V (yellow-white) PmRA 29.00
PmDE -277.0 SAO 8891 HIP 86620 Tycho2 4436-01424-1
HD 162004 HR 6637 GC 24090 ADS 10759
BD BD+72 805 Flamsteed 31 Draconis Flamsteed name 31 Dra Calc delta mag 0.99
Calc coord yes
Tycho2
Tycho2 4436-01424-1 Pflag RAmdeg 265.49206731 DEmdeg 72.15690621
PmRA 29.3 PmDE -277.2 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.50 EpDEm 1991.65
Num 9 Q RAmdeg 2.0 Q DEmdeg 1.0 Q pmRA 2.0
Q pmDE 1.0 BTmag 6.141 E BTmag 0.014 VTmag 5.586
E VTmag 0.009 Prox 302 TYC T HIP 86620
CCDM B RAdeg 265.49184444 DEdeg 72.15753972 EpRA 1990 1.62
EpDE 1990 1.77 E RAdeg 3.7 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 8891 DelFlag RA1950 PmRA1950 0.0041
DE1950 PmDE1950 -0.278 Vmag 6.1 SpType F5
Double code Source 70 CatNum 24090 DM BD+72 805
DMcomp BDsup HD 162004 M HD 0
GC 24090 RA1950rad 4.63755286 DE1950rad 1.25981444 PmRA2000 0.0065
PmDE2000 -0.278
Hipparcos
Catalog H HIP 86620 Proxy RAhms 17 41 58.04
DEdms +72 09 27.3 Vmag 5.81 VarFlag R Vmag G
RAdeg 265.492 DEdeg 72.1576 AstroRef B Plx 44.8
CCDM 17420+7209 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual D M HIP
Theta Rho HD 162004 BD BD+72 805
CD CP Dm number +72 805 VIred 0.6
SpType G0V R SpType Coord arcsec 2000 174158.04+720927.3
Hipparcos 2
HIP 86620 Sn 95 So 3 Nc 1
RArad 4.6337064965 DErad 1.2593872767 Plx 43.36 PmRA 34.89
PmDE -275.94 E RArad 0.41 E DErad 0.37 E Plx 0.51
E pmRA 0.48 E pmDE 0.59 Hpmag 5.868 E Hpmag 0.0096
SHp 0 VA 0 BV 0.53 E BV 0
VI 0.6
 
 
17419+7209 C
 
 
Coord arcsec 2000 174212.75+720831.8 Coord calc 174212.75+720831.8 Mag 11.05 PmRA -24.00
PmDE -22.0 Calc delta mag 6.45
 
 
17419+7209 D
 
 
Coord arcsec 2000 174202.80+720939.0 Mag 12.98 PmRA 0.00 PmDE -9.0
Calc delta mag 8.38 Calc coord yes
 
 
17419+7209 E
 
 
Coord arcsec 2000 174159.06+720759.9 Mag 14.18 Spectral class L? (very deep red) Calc delta mag 9.58
Calc coord yes