17422+3804 RBR  29Aa,Ab

 
 
17h 42m 13.25s +38 04' 14.3" P.A. 35 sep 0.1 mag 6.00,7.30 Sp G0 dist. 40.44 pc (131.92 l.y.)
 
 
Coord 2000
17422+3804
Discov num
RBR  29
Comp
Aa,Ab
Coord arcsec 2000
17 42 13.25 +38 04 14.3
Date first
2013
Date last
2015
Obs
2
Pa first
202
Pa last
35
P.A. Now (θ)
35°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
6.00
Mag sec
7.30
delta mag (ΔM)
1.3
Spectral class
G0 (yellow)
Pri motion ra
-109
Sec motion ra
Pri motion dec
+094
Sec motion dec
Notes
N K (See Notes, K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
17422+3804 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 66273 17422+3804 RBR 29 Aa,Ab 2013 2015 2 35 0.1 6.00 7.30 1.30 Y <===
Show 66273 17422+3804 RAO 20 AB 2012 2015 3 303 2.3 7.36 12.00 4.64
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35
Precise sep
0.07
Constellation
Hercules
SAO
66273
HIP
86642
Tycho2
3088-00450-1
Gaia DR2
1342735149009387136
HD
161163
BD
BD+38 2984
Distance
40.44
Distance ly
131.92
last precise pa
35
last precise sep
0.07
 
 
ORBITAL ELEMENTS
 
 
Period (P)2232.6d (6.11y)± 4.1 Periastron (T)54635.3d (2008.462y)± 7.4 Semi-major axis (a)30.5m± 1.2
Eccentricity (e)0.2631± 0.0057 Inclination (i)105.4°± 4.7 Longitude of periastron (ω)52.6°± 1.3
Node (Ω)17.5°± 3.8 Note Grade9(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000-01-01 0.012 145.3
2001-01-01 0.018 39.7
2002-01-01 0.022 12.9
2003-01-01 0.012 226.9
2004-01-01 0.033 198.2
2005-01-01 0.031 185.8
2006-01-01 0.014 154.5
2007-01-01 0.016 44.9
2008-01-01 0.024 15.8
2009-01-01 0.009 241.0
2010-01-01 0.032 199.6
2011-01-01 0.032 187.4
2012-01-01 0.016 161.5
2013-01-01 0.014 51.6
2014-01-01 0.025 18.5
2015-01-01 0.007 267.9
2016-01-01 0.031 201.2
2017-01-01 0.033 188.9
2018-01-01 0.018 166.9
2019-01-01 0.013 60.2
2020-01-01 0.025 21.0
2021-01-01 0.007 307.0
2022-01-01 0.029 203.0
2023-01-01 0.034 190.3
2024-01-01 0.020 171.2
2025-01-01 0.011 71.5
2026-01-01 0.025 23.6
2027-01-01 0.009 335.9
2028-01-01 0.027 205.0
2029-01-01 0.034 191.7
2030-01-01 0.022 174.7

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

grafico orbita





wds17422%2B3804a.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
17422+3804 RBR 29 Aa,Ab 2013 1 202 0.1 6.00 7.30 G0 N K 174213.25+380414.3
17422+3804 RBR 29 Aa,Ab 2015 2 35 0.1 6.00 7.30 G0 N K 174213.25+380414.3

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