21035-2842 UC 4368

 
 
21h 03m 31.09s -28 42' 05.6" P.A. 74.00 sep 20.4 mag 9.90,16.40 Sp G5V
 
 
Coord 2000
21035-2842
Discov num
UC 4368
Comp
Coord arcsec 2000
21 03 31.09 -28 42 05.6
Date first
1954
Date last
2015
Obs
6
Pa first
75
Pa last
74
P.A. Now (θ)
74°
Sep first
20.5
Sep last
20.4
Sep. Now (ρ)
20.4"
Mag pri
9.90
Mag sec
16.40
delta mag (ΔM)
6.5
Spectral class
G5V (yellow)
Pri motion ra
+085
Sec motion ra
+096
Pri motion dec
-004
Sec motion dec
-002
Notes
V (Proper motion indicates physical)
rPM=0.116 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
73.9
Precise sep
20.423
Constellation
Hydra
SAO
189970
Tycho2
6935-00911-1
Gaia DR2
6800630604939986048
HD
200300
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21035-2842 UC 4368 1999 2 74 20.4 9.90 16.40 V 210331.09-284205.6
21035-2842 UC 4368 2000 2 74 20.5 9.90 16.40 V 210331.09-284205.6
21035-2842 UC 4368 2010 4 74 20.5 9.90 16.40 G5V V 210331.09-284205.6
21035-2842 UC 4368 2015 5 74 20.4 9.90 16.40 G5V V 210331.09-284205.6

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