12177-5637 TDS8307

 
 
12h 17m 42.07s -56 37' 09.1" P.A. 73 sep 0.4 mag 10.38,10.47 Sp M3/4III:
 
 
Coord 2000
12177-5637
Discov num
TDS8307
Comp
Coord arcsec 2000
12 17 42.07 -56 37 09.1
Date first
1991
Date last
1991
Obs
1
Pa first
73
Pa last
73
P.A. Now (θ)
73°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.38
Mag sec
10.47
delta mag (ΔM)
0.09
Spectral class
M3/4III: (red)
Pri motion ra
-025
Sec motion ra
-025
Pri motion dec
+000
Sec motion dec
+000
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
72.9
Precise sep
0.44
Cdsa2 id
TDS 8307
Constellation
Crux
Tycho2
8641-01626-1
HD
106870
Ra deg
12.295019444444444
De deg
-56.619194444444446
last precise pa
72.9
last precise sep
0.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12177-5637 TDS8307 1991 1 73 0.4 10.38 10.47 121742.07-563709.1

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