16076+0002 HDS2276

 
 
16h 07m 37.61s +00 01' 57.7" P.A. 232.2 sep 0.08 mag 9.92,12.97 Sp K3V dist. 47.3 pc (154.29 l.y.)
 
 
Coord 2000
16076+0002
Discov num
HDS2276
Comp
Coord arcsec 2000
16 07 37.61 +00 01 57.7
Date first
1991
Date last
2017
Obs
6
Pa first
178
Pa last
210
P.A. Now (θ)
232.2°
Sep first
0.8
Sep last
0.1
Sep. Now (ρ)
0.08"
Mag pri
9.92
Mag sec
12.97
delta mag (ΔM)
3.05
Spectral class
K3V (yellow-orange)
Pri motion ra
+038
Sec motion ra
Pri motion dec
-014
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
209.9
Precise sep
0.14
Constellation
Serpens
SAO
121376
HIP
79008
Tycho2
0367-00744-1
BD
BD+00 3459
Distance
47.3
Distance ly
154.29
last precise pa
209.9
last precise sep
0.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)165y Periastron (T)2022.86y Semi-major axis (a)0.6a
Eccentricity (e)0.847 Inclination (i)69.2° Longitude of periastron (ω)180.1°
Node (Ω)172.1° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.601 182.9
2001 0.581 183.3
2002 0.560 183.8
2003 0.539 184.3
2004 0.517 184.8
2005 0.494 185.4
2006 0.471 186.0
2007 0.446 186.7
2008 0.421 187.5
2009 0.395 188.4
2010 0.368 189.4
2011 0.340 190.6
2012 0.311 192.0
2013 0.281 193.7
2014 0.250 195.8
2015 0.217 198.5
2016 0.184 202.2
2017 0.149 207.6
2018 0.114 216.3
2019 0.082 232.2
2020 0.060 263.8
2021 0.062 306.8
2022 0.083 335.8
2023 0.092 354.6
2024 0.077 15.1
2025 0.059 49.1
2026 0.064 91.8
2027 0.091 117.9
2028 0.125 131.1
2029 0.160 138.5
2030 0.194 143.3

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

grafico orbita





wds16076%2B0002a.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
16076+0002 HDS2276 1991 1 178 0.8 9.92 12.97 K3V 160737.61+000157.7
16076+0002 HDS2276 2008 2 189 0.4 9.92 12.97 K3V D 160737.61+000157.7
16076+0002 HDS2276 2014 4 197 0.2 9.92 12.97 K3V 160737.61+000157.7
16076+0002 HDS2276 2015 5 200 0.2 9.92 12.97 K3V 160737.61+000157.7
16076+0002 HDS2276 2017 6 210 0.1 9.92 12.97 K3V 160737.61+000157.7

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