21097-5055 UC 4392

 
 
21h 09m 43.09s -50 54' 37.2" P.A. 347 sep 57.5 mag 7.77,16.50 Sp F8IV/V
 
 
Coord 2000
21097-5055
Discov num
UC 4392
Comp
Coord arcsec 2000
21 09 43.09 -50 54 37.2
Date first
1998
Date last
2010
Obs
3
Pa first
347
Pa last
347
P.A. Now (θ)
347°
Sep first
57.2
Sep last
57.5
Sep. Now (ρ)
57.5"
Mag pri
7.77
Mag sec
16.50
delta mag (ΔM)
8.73
Spectral class
F8IV/V (yellow-white)
Pri motion ra
+087
Sec motion ra
+085
Pri motion dec
-046
Sec motion dec
-048
Notes
V (Proper motion indicates physical)
rPM=0.029 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
347.2
Precise sep
57.53
Constellation
Indus
last precise pa
347.2
last precise sep
57.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21097-5055 UC 4392 1999 2 347 57.7 8.70 15.70 V 210943.09-505437.2
21097-5055 UC 4392 2000 2 347 57.6 8.70 15.70 V 210943.09-505437.2
21097-5055 UC 4392 2010 3 347 57.4 7.77 16.50 F8IV/V V 210943.09-505437.2

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