02370+2439 STFA  5AB (30 Ari)

 
 
02h 37m 00.52s +24 38' 50.0" P.A. 275 sep 37.9 mag 6.50,7.02 Sp F5V+F7V dist. 41.75 pc (136.19 l.y.)
 
 
Coord 2000
02370+2439
Discov num
STFA  5
Comp
AB
Coord arcsec 2000
02 37 00.52 +24 38 50.0
Date first
1777
Date last
2016
Obs
74
Pa first
275
Pa last
275
P.A. Now (θ)
275°
Sep first
41.0
Sep last
37.9
Sep. Now (ρ)
37.9"
Mag pri
6.50
Mag sec
7.02
delta mag (ΔM)
0.52
Spectral class
F5V+F7V (yellow-white/yellow-white)
Pri motion ra
+137
Sec motion ra
+151
Pri motion dec
-015
Sec motion dec
-013
Notes
N Z V (See Notes, Parallax indicates components are physical, Proper motion indicates physical)
rPM=0.093 (< 0.3, Physical double)
This double is physical.
 
 
02370+2439 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 30 Ari 75471 02370+2439 STFA 5 AB 1777 2016 74 275 37.9 6.50 7.02 0.52 <===
Show 75470 02370+2439 RAO 8 BC 2012 2015 7 283 0.6 7.02 11.00 3.98
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.8
Precise sep
37.93
Name
30 Ari
Cdsa2 id
STFA 5 AB
Constellation
Aries
SAO
75471
HIP
12189
Tycho2
1771-01398-1
HD
16246
HR
765
GC
3140
BD
BD+24 376
Flamsteed
30 Arietis
Flamsteed name
30 Ari
Ra deg
2.616811111111111
De deg
24.647222222222222
Distance
41.75
Distance ly
136.19
last precise pa
274.8
last precise sep
37.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02370+2439 STFA 5 AB 2012 68 275 38.0 6.50 7.02 F5V F7V NZDV 023700.52+243850.0
02370+2439 STFA 5 AB 2015 70 275 37.7 6.50 7.02 F5V+F7V NZ V 023700.52+243850.0
02370+2439 STFA 5 AB 2016 72 275 37.8 6.50 7.02 F5V+F7V NZ V 023700.52+243850.0

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