16578-7237 HEI 547

 
 
16h 57m 45.47s -72 37' 08.9" P.A. 63 sep 0.4 mag 10.03,10.14 Sp K2/3
 
 
Coord 2000
16578-7237
Discov num
HEI 547
Comp
Coord arcsec 2000
16 57 45.47 -72 37 08.9
Date first
1989
Date last
1991
Obs
3
Pa first
74
Pa last
63
P.A. Now (θ)
63°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.03
Mag sec
10.14
delta mag (ΔM)
0.11
Spectral class
K2/3 (yellow-orange)
Pri motion ra
-064
Sec motion ra
-064
Pri motion dec
-049
Sec motion dec
-049
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.2
Precise sep
0.35
Constellation
Apus
Tycho2
9283-01543-1
Gaia DR2
50002909696
HD
152047
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16578-7237 HEI 547 1991 3 63 0.4 10.03 10.14 K2/3 165745.47-723708.9

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