10551-3100 OL   42AB

 
 
10h 55m 05.30s -30 59' 34.2" P.A. 154 sep 3.4 mag 9.99,11.10 Sp A3V:
 
 
Coord 2000
10551-3100
Discov num
OL   42
Comp
AB
Coord arcsec 2000
10 55 05.30 -30 59 34.2
Date first
1910
Date last
1999
Obs
10
Pa first
154
Pa last
154
P.A. Now (θ)
154°
Sep first
3.3
Sep last
3.4
Sep. Now (ρ)
3.4"
Mag pri
9.99
Mag sec
11.10
delta mag (ΔM)
1.11
Spectral class
A3V: (white)
Pri motion ra
-002
Sec motion ra
+017
Pri motion dec
+025
Sec motion dec
-062
Notes
rPM=1.385
This double is not physical.
 
 
10551-3100 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 201894 10551-3100 OL 42 AB 1910 1999 10 154 3.4 9.99 11.10 1.11 <===
Show 201894 10551-3100 OL 42 AC 1910 1999 8 38 35.1 9.99 10.97 0.98
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.6
Precise sep
3.42
Constellation
Hydra
SAO
201894
Tycho2
7199-01477-1
HD
94640
last precise pa
153.6
last precise sep
3.42
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10551-3100 OL 42 AB 1999 9 154 3.4 9.99 11.10 A3V: D 105505.30-305934.2

If you need more information about this double, apply for a data request form to the WDS.