11188-3121 I   505

 
 
11h 18m 45.98s -31 21' 25.3" P.A. 284 sep 1.6 mag 8.37,10.93 Sp A3V dist. 251.89 pc (821.67 l.y.)
 
 
Coord 2000
11188-3121
Discov num
I   505
Comp
Coord arcsec 2000
11 18 45.98 -31 21 25.3
Date first
1909
Date last
1991
Obs
9
Pa first
280
Pa last
284
P.A. Now (θ)
284°
Sep first
1.8
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
8.37
Mag sec
10.93
delta mag (ΔM)
2.56
Spectral class
A3V (white)
Pri motion ra
-031
Sec motion ra
-035
Pri motion dec
+001
Sec motion dec
+003
Notes
rPM=0.127 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
283.9
Precise sep
1.64
Constellation
Hydra
SAO
202311
HIP
55240
Tycho2
7202-00299-1
HD
98380
CD
CD-30 9101
CP
CP-30 3310
Distance
251.89
Distance ly
821.67
last precise pa
283.9
last precise sep
1.64
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11188-3121 I 505 1991 9 284 1.6 8.37 10.93 A3V D 111845.98-312125.3

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