10087-2538 B   193

 
 
10h 08m 42.16s -25 37' 57.4" P.A. 266 sep 0.4 mag 10.40,10.90
 
 
Coord 2000
10087-2538
Discov num
B   193
Comp
Coord arcsec 2000
10 08 42.16 -25 37 57.4
Date first
1926
Date last
2017
Obs
7
Pa first
76
Pa last
266
P.A. Now (θ)
266°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.40
Mag sec
10.90
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-041
Sec motion ra
Pri motion dec
+018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
265.8
Precise sep
0.38
Cdsa2 id
B 193
Constellation
Hydra
SAO
178460
Tycho2
6621-00950-1
Ra deg
10.145044444444444
De deg
-25.63261111111111
last precise pa
265.8
last precise sep
0.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10087-2538 B 193 1990 6 119 0.1 10.40 10.90 100842.16-253757.4
10087-2538 B 193 2017 7 266 0.4 10.40 10.90 100842.16-253757.4

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