12529-1732 UC 2421

 
 
12h 52m 55.09s -17 31' 47.0" P.A. 257 sep 19.7 mag 12.20,13.70
 
 
Coord 2000
12529-1732
Discov num
UC 2421
Comp
Coord arcsec 2000
12 52 55.09 -17 31 47.0
Date first
1997
Date last
2015
Obs
7
Pa first
257
Pa last
257
P.A. Now (θ)
257°
Sep first
19.5
Sep last
19.7
Sep. Now (ρ)
19.7"
Mag pri
12.20
Mag sec
13.70
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
-042
Sec motion ra
-046
Pri motion dec
-054
Sec motion dec
-076
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.252 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
256.8
Precise sep
19.743
Cdsa2 id
UC 2421
Constellation
Corvus
Ra deg
12.881969444444445
De deg
-17.529722222222222
last precise pa
256.8
last precise sep
19.743
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12529-1732 UC 2421 1999 2 257 19.7 12.20 13.70 V 125255.09-173147.0
12529-1732 UC 2421 2000 2 257 19.7 12.20 13.70 V 125255.09-173147.0
12529-1732 UC 2421 2014 3 257 19.8 12.20 13.70 V 125255.09-173147.0
12529-1732 UC 2421 2015 7 257 19.7 12.20 13.70 V R 125255.09-173147.0

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