16105-5415 ALD  88

 
 
16h 10m 33.52s -54 14' 18.9" P.A. 139 sep 2.8 mag 10.72,11.20 Sp A2
 
 
Coord 2000
16105-5415
Discov num
ALD  88
Comp
Coord arcsec 2000
16 10 33.52 -54 14 18.9
Date first
1931
Date last
2000
Obs
3
Pa first
141
Pa last
139
P.A. Now (θ)
139°
Sep first
2.7
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
10.72
Mag sec
11.20
delta mag (ΔM)
0.48
Spectral class
A2 (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
138.5
Precise sep
2.79
Constellation
Norma
Tycho2
8710-01484-1
last precise pa
138.5
last precise sep
2.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16105-5415 ALD 88 1936 2 140 2.6 10.72 11.20 161033.52-541418.9
16105-5415 ALD 88 2000 3 139 2.8 10.72 11.20 161033.52-541418.9

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