19164+1433 CHR  85Aa,Ab

 
 
19h 16m 26.78s +14 32' 40.6" P.A. 84.2 sep 0.05 mag 5.90,7.40 Sp B9.5V dist. 125.63 pc (409.81 l.y.)
 
 
Coord 2000
19164+1433
Discov num
CHR  85
Comp
Aa,Ab
Coord arcsec 2000
19 16 26.78 +14 32 40.6
Date first
1985
Date last
2017
Obs
11
Pa first
54
Pa last
93
P.A. Now (θ)
84.2°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0.05"
Mag pri
5.90
Mag sec
7.40
delta mag (ΔM)
1.5
Spectral class
B9.5V (blue-white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+004
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
19164+1433 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104668 19164+1433 CHR 85 Aa,Ab 1985 2017 11 84 0.0 5.90 7.40 1.50 Y <===
Show 19164+1433 STF2489 AB 1828 2013 32 347 8.3 5.67 9.30 3.63
Show 19164+1433 WAL 109 AC 1944 2008 3 355 60.4 5.67 10.88 5.21
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
93.4
Precise sep
0.043
Constellation
Aquila
SAO
104668
HIP
94720
HD
180555
HR
7307
ADS
12248
Distance
125.63
Distance ly
409.81
last precise pa
93.4
last precise sep
0.043
 
 
ORBITAL ELEMENTS
 
 
Period (P)13.673y± 0.069 Periastron (T)2008.572y± 1.101 Semi-major axis (a)0.0583a± 0.0014
Eccentricity (e)0.022± 0.01 Inclination (i)131.3°± 3.7 Longitude of periastron (ω)262.7°± 28.7
Node (Ω)242.3°± 4.5 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.052 214.4
2001 0.044 188.6
2002 0.039 153.3
2003 0.043 117.5
2004 0.052 91.1
2005 0.057 71.5
2006 0.057 53.9
2007 0.050 33.7
2008 0.041 5.1
2009 0.038 325.5
2010 0.044 289.0
2011 0.053 264.0
2012 0.058 245.3
2013 0.057 227.7
2014 0.050 206.9
2015 0.042 178.0
2016 0.040 140.8
2017 0.046 107.8
2018 0.054 84.2
2019 0.058 65.8
2020 0.055 47.8
2021 0.047 25.6
2022 0.039 353.1
2023 0.039 312.4
2024 0.047 279.7
2025 0.056 257.5
2026 0.058 239.6
2027 0.055 221.5
2028 0.047 198.6
2029 0.040 166.3
2030 0.041 129.0

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

grafico orbita





wds19164%2B1433a.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
19164+1433 CHR 85 Aa,Ab 1999 7 218 0.1 5.90 7.40 B9.5V NOD 191626.78+143240.6
19164+1433 CHR 85 Aa,Ab 2006 9 39 0.1 5.90 7.40 B9.5V NO 191626.78+143240.6
19164+1433 CHR 85 Aa,Ab 2014 10 199 0.0 5.90 7.40 B9.5V O 191626.78+143240.6
19164+1433 CHR 85 Aa,Ab 2015 11 72 0.0 5.90 7.40 B9.5V O 191626.78+143240.6
19164+1433 CHR 85 Aa,Ab 2017 11 93 0.0 5.90 7.40 B9.5V O 191626.78+143240.6

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