00174+0853 A  1803AB (38 Psc)

 
 
00H 17M 24.50S +08 52' 34.8" P.A. 297.4 SEP 0.12 MAG 8.38,7.78 SP F7V DIST. 15.19 PC (49.55 L.Y.)
 
 
Coord 2000
00174+0853
Discov num
A  1803
Comp
AB
Coord arcsec 2000
00 17 24.50 +08 52 34.8
Date first
1908
Date last
2008
Obs
53
Pa first
300
Pa last
307
P.A. Now (θ)
297.4°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.12"
Mag pri
8.38
Mag sec
7.78
delta mag (ΔM)
0.6
Spectral class
F7V (yellow-white)
Pri motion ra
+063
Sec motion ra
Pri motion dec
+061
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00174+0853 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 38 Psc 00174+0853 A 1803 AB 1908 2008 53 297 0.1 8.38 7.78 0.60 Y <===
Show 00174+0853 STF 22 AB,C 1821 2016 169 235 4.0 7.13 7.66 0.53
Show 00174+0853 STF 22 AB,D 1910 2005 10 151 66.8 7.13 11.50 4.37
Show 00174+0853 POP 229 AB,E 2000 2005 3 239 75.3 7.13 16.16 9.03
Quintuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name
38 Psc
Constellation
Pisces
HIP
1392
HD
1317
GC
340
ADS
238
BD
BD+08 24
Flamsteed
38 Piscium
Flamsteed name
38 Psc
Distance
15.19
Distance ly
49.55
last precise pa
307.2
last precise sep
0.162
 
 
ORBITAL ELEMENTS
 
 
Period (P)35.66y Periastron (T)1950.7y Semi-major axis (a)0.189a
Eccentricity (e)0.002 Inclination (i)95.4° Longitude of periastron (ω)282°
Node (Ω)124.1° Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.096 114.9
2001 0.067 109.7
2002 0.037 96.1
2003 0.018 33.7
2004 0.038 332.0
2005 0.067 318.5
2006 0.096 313.3
2007 0.123 310.4
2008 0.146 308.6
2009 0.165 307.2
2010 0.178 306.0
2011 0.187 305.0
2012 0.189 304.0
2013 0.186 303.1
2014 0.177 302.1
2015 0.162 300.9
2016 0.143 299.4
2017 0.119 297.4
2018 0.092 294.4
2019 0.063 288.5
2020 0.033 271.8
2021 0.019 197.0
2022 0.042 148.4
2023 0.072 137.3
2024 0.101 132.6
2025 0.127 130.0
2026 0.150 128.3
2027 0.168 126.9
2028 0.180 125.8
2029 0.187 124.8
2030 0.189 123.8

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic