09522+0807 A  2762

 
 
09h 52m 11.82s +08 06' 45.2" P.A. 238.20 sep 0.4 mag 8.85,11.90 Sp G5 dist. 60.02 pc (195.79 l.y.)
 
 
Coord 2000
09522+0807
Discov num
A  2762
Comp
Coord arcsec 2000
09 52 11.82 +08 06 45.2
Date first
1914
Date last
2018
Obs
13
Pa first
293
Pa last
244
P.A. Now (θ)
238.2°
Sep first
1.6
Sep last
0.4
Sep. Now (ρ)
0.38"
Mag pri
8.85
Mag sec
11.90
delta mag (ΔM)
3.05
Spectral class
G5 (yellow)
Pri motion ra
-054
Sec motion ra
Pri motion dec
-077
Sec motion dec
Notes
C (Has orbit and linear solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
244
Precise sep
0.399
Constellation
Hydra
HIP
48412
Tycho2
0828-01883-1
Gaia DR2
3877904359283357440
HD
85474
BD
BD+08 2281
Distance
60.02
Distance ly
195.79
last precise pa
244
last precise sep
0.399
 
 
ORBITAL ELEMENTS
 
 
Period (P)640y Periastron (T)2092.6y Semi-major axis (a)1.603a
Eccentricity (e)0.6 Inclination (i)105.8° Longitude of periastron (ω)17.3°
Node (Ω)131.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2018
label rho theta
2000 0.597 268.8
2001 0.585 267.8
2002 0.573 266.9
2003 0.561 265.9
2004 0.549 264.9
2005 0.537 263.8
2006 0.525 262.7
2007 0.513 261.6
2008 0.502 260.3
2009 0.490 259.0
2010 0.479 257.7
2011 0.468 256.3
2012 0.458 254.8
2013 0.447 253.3
2014 0.437 251.7
2015 0.427 250.0
2016 0.418 248.2
2017 0.409 246.4
2018 0.400 244.5
2019 0.391 242.5
2020 0.384 240.4
2021 0.376 238.2
2022 0.369 235.9
2023 0.363 233.6
2024 0.357 231.1
2025 0.351 228.6
2026 0.347 226.0
2027 0.343 223.4
2028 0.340 220.7
2029 0.337 217.9
2030 0.335 215.1


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



 
 


wds09522%2B0807a.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
09522+0807 A 2762 1991 4 275 0.7 8.85 11.90 G5 095211.82+080645.2
09522+0807 A 2762 2009 5 259 0.5 8.85 11.90 G5 095211.82+080645.2
09522+0807 A 2762 2013 6 251 0.5 8.85 11.90 G5 095211.82+080645.2
09522+0807 A 2762 2014 7 251 0.4 8.85 11.90 G5 L 095211.82+080645.2
09522+0807 A 2762 2015 8 250 0.4 8.85 11.90 G5 L 095211.82+080645.2
09522+0807 A 2762 2018 12 244 0.4 8.85 11.90 G5 L 095211.82+080645.2

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