01078-4129 RST3352 (Ups Phe)

 
 
01h 07m 47.83s -41 29' 13.0" P.A. 295.8 sep 0.23 mag 5.54,6.88 Sp A3IV dist. 56.95 pc (185.77 l.y.)
 
 
Coord 2000
01078-4129
Discov num
RST3352
Comp
Coord arcsec 2000
01 07 47.83 -41 29 13.0
Date first
1936
Date last
2014
Obs
45
Pa first
306
Pa last
270
P.A. Now (θ)
295.8°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.23"
Mag pri
5.54
Mag sec
6.88
delta mag (ΔM)
1.34
Spectral class
A3IV (white)
Pri motion ra
+038
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
269.7
Precise sep
0.14
Name
Ups Phe
Cdsa2 id
RST 3352
Constellation
Phoenix
SAO
215374
HIP
5300
Tycho2
7537-00994-1
HD
6767
HR
331
GC
1378
CD
CD-42 391
CP
CP-42 111
Bayer
Upsilon Phoenicis
Bayer name
Ups Phe
Ra deg
1.1299527777777778
De deg
-41.48694444444445
Distance
56.95
Distance ly
185.77
last precise pa
269.7
last precise sep
0.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)28.36y± 0.04 Periastron (T)2007.94y± 0.02 Semi-major axis (a)0.2396a± 0.0005
Eccentricity (e)0.424± 0.002 Inclination (i)65.3°± 0.3 Longitude of periastron (ω)333.9°± 0.4
Node (Ω)142.7°± 0.3 Note Grade2(1=Definitive, 9=Indet.)
Equinox Last observation2007
label rho theta
2000 0.286 328.3
2001 0.260 331.9
2002 0.227 336.6
2003 0.187 343.0
2004 0.141 353.5
2005 0.094 14.6
2006 0.068 61.9
2007 0.092 109.2
2008 0.128 132.2
2009 0.144 146.6
2010 0.138 160.1
2011 0.120 176.7
2012 0.103 199.3
2013 0.099 227.1
2014 0.113 252.1
2015 0.139 269.8
2016 0.169 281.6
2017 0.199 289.8
2018 0.228 295.8
2019 0.255 300.6
2020 0.278 304.5
2021 0.297 307.8
2022 0.311 310.8
2023 0.322 313.5
2024 0.327 316.2
2025 0.327 318.7
2026 0.322 321.3
2027 0.311 324.1
2028 0.294 327.1
2029 0.270 330.5
2030 0.240 334.8

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

grafico orbita





wds01078-4129a.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
01078-4129 RST3352 2001 35 337 0.2 5.54 6.88 A3IV NOD 010747.83-412913.0
01078-4129 RST3352 2008 38 141 0.1 5.54 6.88 A3IV NOD 010747.83-412913.0
01078-4129 RST3352 2009 40 336 0.1 5.54 6.88 A3IV NOD 010747.83-412913.0
01078-4129 RST3352 2014 45 270 0.1 5.54 6.88 A3IV NO 010747.83-412913.0

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