12164-3444 JSP 522

 
 
12h 16m 23.31s -34 44' 04.7" P.A. 248 sep 2.2 mag 10.33,12.13 Sp F5V
 
 
Coord 2000
12164-3444
Discov num
JSP 522
Comp
Coord arcsec 2000
12 16 23.31 -34 44 04.7
Date first
1929
Date last
1991
Obs
3
Pa first
238
Pa last
248
P.A. Now (θ)
248°
Sep first
2.2
Sep last
2.2
Sep. Now (ρ)
2.2"
Mag pri
10.33
Mag sec
12.13
delta mag (ΔM)
1.8
Spectral class
F5V (yellow-white)
Pri motion ra
-020
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
247.9
Precise sep
2.211
Constellation
Hydra
SAO
203298
Tycho2
7240-01569-1
HD
106722
last precise pa
247.9
last precise sep
2.211
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12164-3444 JSP 522 1991 3 248 2.2 10.33 12.13 F5V 121623.31-344404.7

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