16192+4140 STT 309

 
 
16h 19m 14.48s +41 39' 33.6" P.A. 314.4 sep 0.27 mag 8.74,8.97 Sp A5+G dist. 209.21 pc (682.44 l.y.)
 
 
Coord 2000
16192+4140
Discov num
STT 309
Comp
Coord arcsec 2000
16 19 14.48 +41 39 33.6
Date first
1843
Date last
2010
Obs
108
Pa first
225
Pa last
310
P.A. Now (θ)
314.4°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.27"
Mag pri
8.74
Mag sec
8.97
delta mag (ΔM)
0.23
Spectral class
A5+G (white/yellow)
Pri motion ra
-026
Sec motion ra
Pri motion dec
+028
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.3
Precise sep
0.28
Constellation
Hercules
SAO
46022
HIP
79957
Tycho2
3065-00774-1
HD
147275
ADS
10006
BD
BD+41 2689
Distance
209.21
Distance ly
682.44
last precise pa
310.3
last precise sep
0.28
 
 
ORBITAL ELEMENTS
 
 
Period (P)345y Periastron (T)1795y Semi-major axis (a)0.418a
Eccentricity (e)0.445 Inclination (i)61.1° Longitude of periastron (ω)66.7°
Node (Ω)44.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.294 297.6
2001 0.293 298.5
2002 0.291 299.5
2003 0.290 300.4
2004 0.288 301.3
2005 0.287 302.3
2006 0.286 303.3
2007 0.284 304.2
2008 0.283 305.2
2009 0.282 306.2
2010 0.281 307.2
2011 0.280 308.2
2012 0.279 309.2
2013 0.278 310.2
2014 0.277 311.3
2015 0.276 312.3
2016 0.275 313.3
2017 0.274 314.4
2018 0.274 315.4
2019 0.273 316.5
2020 0.272 317.5
2021 0.272 318.6
2022 0.271 319.7
2023 0.271 320.8
2024 0.270 321.8
2025 0.270 322.9
2026 0.270 324.0
2027 0.270 325.1
2028 0.270 326.2
2029 0.269 327.2
2030 0.269 328.3

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

grafico orbita





wds16192%2B4140a.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
16192+4140 STT 309 2001 101 299 0.3 8.74 8.97 A5+G OD 161914.48+413933.6
16192+4140 STT 309 2006 103 305 0.3 8.74 8.97 A5+G OD 161914.48+413933.6
16192+4140 STT 309 2009 104 307 0.3 8.74 8.97 A5+G OD 161914.48+413933.6
16192+4140 STT 309 2010 108 310 0.3 8.74 8.97 A5+G O 161914.48+413933.6

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