17266-0505 MKT  14Aa,Ab

 
 
17h 26m 37.88s -05 05' 11.7" P.A. 194 mag 4.93,5.83 Sp F3V dist. 30.08 pc (98.12 l.y.)
 
 
Coord 2000
17266-0505
Discov num
MKT  14
Comp
Aa,Ab
Coord arcsec 2000
17 26 37.88 -05 05 11.7
Date first
1990
Date last
2002
Obs
22
Pa first
290
Pa last
194
P.A. Now (θ)
194°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
4.93
Mag sec
5.83
delta mag (ΔM)
0.9
Spectral class
F3V (yellow-white)
Pri motion ra
-093
Sec motion ra
Pri motion dec
-043
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
17266-0505 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 141665 17266-0505 MKT 14 Aa,Ab 1990 2002 22 194 0.0 4.93 5.83 0.90 Y <===
Show 47 Oph 141665 17266-0505 DEA 57 AB 1999 1999 1 308 294.1 3.55 14.66 11.11
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.7
Precise sep
0.004
Cdsa2 id
MKT 14 Aa,Ab
Constellation
Ophiuchus
SAO
141665
HIP
85365
HD
157950
HR
6493
GC
23617
BD
BD-04 4275
Flamsteed
47 Ophiuchi
Flamsteed name
47 Oph
Ra deg
17.443855555555555
De deg
-5.0865833333333335
Distance
30.08
Distance ly
98.12
last precise pa
193.7
last precise sep
0.004
 
 
ORBITAL ELEMENTS
 
 
Period (P)26.27565d± 0.00004 Periastron (T)48103.38d (1990.578y)± 0.026 Semi-major axis (a)7.99m± 0.1
Eccentricity (e)0.481± 0.002 Inclination (i)59.5°± 1.3 Longitude of periastron (ω)27.04°± 0.54
Node (Ω)121.8°± 1 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2002
label rho theta
2000-01-01 0.004 118.1
2001-01-01 0.004 58.3
2002-01-01 0.005 0.8
2003-01-01 0.008 335.9
2004-01-01 0.010 323.0
2005-01-01 0.011 313.9
2006-01-01 0.011 305.9
2007-01-01 0.010 296.9
2008-01-01 0.007 282.6
2009-01-01 0.003 228.6
2010-01-01 0.004 120.3
2011-01-01 0.004 61.2
2012-01-01 0.005 2.3
2013-01-01 0.008 336.6
2014-01-01 0.010 323.4
2015-01-01 0.011 314.3
2016-01-01 0.011 306.2
2017-01-01 0.010 297.3
2018-01-01 0.007 283.5
2019-01-01 0.003 233.7
2020-01-01 0.004 122.6
2021-01-01 0.004 64.1
2022-01-01 0.005 3.9
2023-01-01 0.008 337.3
2024-01-01 0.010 323.9
2025-01-01 0.011 314.6
2026-01-01 0.011 306.5
2027-01-01 0.010 297.7
2028-01-01 0.007 284.3
2029-01-01 0.003 238.4
2030-01-01 0.004 124.9

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

grafico orbita





wds17266-0505b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17266-0505 MKT 14 Aa,Ab 2002 22 194 0.0 4.93 5.83 F3V NO 172637.88-050511.7

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