13316-2807 UC 2553

 
 
13h 31m 33.17s -28 06' 45.9" P.A. 196 sep 50 mag 6.49,14.36 Sp A1IV dist. 99.5 pc (324.57 l.y.)
 
 
Coord 2000
13316-2807
Discov num
UC 2553
Comp
Coord arcsec 2000
13 31 33.17 -28 06 45.9
Date first
1999
Date last
2010
Obs
3
Pa first
196
Pa last
196
P.A. Now (θ)
196°
Sep first
49.9
Sep last
50.0
Sep. Now (ρ)
50"
Mag pri
6.49
Mag sec
14.36
delta mag (ΔM)
7.87
Spectral class
A1IV (white)
Pri motion ra
-077
Sec motion ra
-082
Pri motion dec
+003
Sec motion dec
-005
Notes
V (Proper motion indicates physical)
rPM=0.115 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
196
Precise sep
50.01
Constellation
Hydra
SAO
181723
HIP
65969
Tycho2
6721-00106-1
HD
117558
HR
5090
CD
CD-27 9278
CP
CP-27 4734
Distance
99.5
Distance ly
324.57
last precise pa
196
last precise sep
50.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13316-2807 UC 2553 1999 2 196 50.5 8.20 14.40 V 133133.17-280645.9
13316-2807 UC 2553 2000 2 196 50.1 8.20 14.40 V 133133.17-280645.9
13316-2807 UC 2553 2010 3 196 50.0 6.49 14.36 A1IV V 133133.17-280645.9

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