12147-3144 PRO  99

 
 
12h 14m 44.16s -31 43' 56.8" P.A. 156 sep 8.2 mag 9.30,11.30 Sp A8/9V
 
 
Coord 2000
12147-3144
Discov num
PRO  99
Comp
Coord arcsec 2000
12 14 44.16 -31 43 56.8
Date first
1911
Date last
2010
Obs
5
Pa first
155
Pa last
156
P.A. Now (θ)
156°
Sep first
8.0
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
9.30
Mag sec
11.30
delta mag (ΔM)
2
Spectral class
A8/9V (white)
Pri motion ra
-037
Sec motion ra
-031
Pri motion dec
+001
Sec motion dec
-007
Notes
rPM=0.27 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.5
Precise sep
8.16
Cdsa2 id
PRO 99
Constellation
Hydra
SAO
203270
Tycho2
7232-00768-1
HD
106438
Ra deg
12.2456
De deg
-31.732444444444443
last precise pa
155.5
last precise sep
8.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12147-3144 PRO 99 1999 3 157 8.3 9.30 11.30 A8/9V D 121444.16-314356.8
12147-3144 PRO 99 2010 5 156 8.0 9.30 11.30 A8/9V 121444.16-314356.8

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