02278-0820 RST4207AB

 
 
02h 27m 50.90s -08 19' 55.8" P.A. 17 sep 4.5 mag 9.96,13.50
 
 
Coord 2000
02278-0820
Discov num
RST4207
Comp
AB
Coord arcsec 2000
02 27 50.90 -08 19 55.8
Date first
1938
Date last
2015
Obs
6
Pa first
309
Pa last
17
P.A. Now (θ)
17°
Sep first
2.4
Sep last
4.5
Sep. Now (ρ)
4.5"
Mag pri
9.96
Mag sec
13.50
delta mag (ΔM)
3.54
Spectral class
Pri motion ra
-039
Sec motion ra
Pri motion dec
-013
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02278-0820 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02278-0820 RST4207 AB 1938 2015 6 17 4.5 9.96 13.50 3.54 <===
Show 02278-0820 RST4207 AC 1938 2015 7 66 6.8 9.96 12.70 2.74
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
Tycho2
5282-00877-1
last precise pa
17.3
last precise sep
4.49
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02278-0820 RST4207 AB 1968 3 343 2.6 9.96 13.50 022750.90-081955.8
02278-0820 RST4207 AB 2000 4 11 3.7 9.96 13.50 022750.90-081955.8
02278-0820 RST4207 AB 2015 6 17 4.5 9.96 13.50 022750.90-081955.8

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