10540-2645 B  2722

 
 
10h 53m 58.65s -26 44' 46.1" P.A. 172 sep 16.1 mag 7.49,11.99 Sp B5III dist. 349.65 pc (1140.56 l.y.)
 
 
Coord 2000
10540-2645
Discov num
B  2722
Comp
Coord arcsec 2000
10 53 58.65 -26 44 46.1
Date first
1932
Date last
2010
Obs
5
Pa first
180
Pa last
172
P.A. Now (θ)
172°
Sep first
15.0
Sep last
16.1
Sep. Now (ρ)
16.1"
Mag pri
7.49
Mag sec
11.99
delta mag (ΔM)
4.5
Spectral class
B5III (blue-white)
Pri motion ra
-022
Sec motion ra
+025
Pri motion dec
+008
Sec motion dec
+066
Notes
rPM=1.058
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.8
Precise sep
16.06
Constellation
Hydra
SAO
179318
HIP
53294
Tycho2
6643-01189-1
HD
94473
CD
CD-26 8207
CP
CP-26 4408
Distance
349.65
Distance ly
1140.56
last precise pa
171.8
last precise sep
16.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10540-2645 B 2722 1999 3 172 16.0 7.30 13.00 B5III D 105358.65-264446.1
10540-2645 B 2722 2010 5 172 15.4 7.49 11.99 B5III 105358.65-264446.1

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