12389-3308 UC 2377

 
 
12h 38m 54.73s -33 08' 24.5" P.A. 30 sep 21.2 mag 15.70,16.30
 
 
Coord 2000
12389-3308
Discov num
UC 2377
Comp
Coord arcsec 2000
12 38 54.73 -33 08 24.5
Date first
1997
Date last
2015
Obs
5
Pa first
29
Pa last
30
P.A. Now (θ)
30°
Sep first
21.0
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
15.70
Mag sec
16.30
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-064
Sec motion ra
-055
Pri motion dec
+006
Sec motion dec
+000
Notes
V (Proper motion indicates physical)
rPM=0.168 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.5
Precise sep
21.174
Constellation
Hydra
Gaia DR2
74691758592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12389-3308 UC 2377 1999 2 29 20.9 15.70 16.30 V 123854.73-330824.5
12389-3308 UC 2377 2000 2 29 21.0 15.70 16.30 V 123854.73-330824.5
12389-3308 UC 2377 2010 4 28 20.9 15.70 16.30 V 123854.73-330824.5
12389-3308 UC 2377 2015 5 30 21.2 15.70 16.30 V 123854.73-330824.5

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