17281-7213 HEI 388

 
 
17h 28m 04.83s -72 13' 21.6" P.A. 318 sep 1.2 mag 10.55,11.26
 
 
Coord 2000
17281-7213
Discov num
HEI 388
Comp
Coord arcsec 2000
17 28 04.83 -72 13 21.6
Date first
1985
Date last
1991
Obs
2
Pa first
311
Pa last
318
P.A. Now (θ)
318°
Sep first
1.2
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.55
Mag sec
11.26
delta mag (ΔM)
0.71
Spectral class
Pri motion ra
+003
Sec motion ra
+003
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318
Precise sep
1.24
Constellation
Apus
Tycho2
9284-01468-1
last precise pa
318
last precise sep
1.24
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17281-7213 HEI 388 1991 2 318 1.2 10.55 11.26 172804.83-721321.6

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