17413-7016 HEI 251

 
 
17h 41m 03.16s -70 15' 56.6" P.A. 91 sep 1.1 mag 11.24,11.67
 
 
Coord 2000
17413-7016
Discov num
HEI 251
Comp
Coord arcsec 2000
17 41 03.16 -70 15 56.6
Date first
1984
Date last
1991
Obs
3
Pa first
91
Pa last
91
P.A. Now (θ)
91°
Sep first
0.9
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
11.24
Mag sec
11.67
delta mag (ΔM)
0.43
Spectral class
Pri motion ra
-047
Sec motion ra
-047
Pri motion dec
-013
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
90.7
Precise sep
1.072
Constellation
Apus
Tycho2
9293-01054-1
last precise pa
90.7
last precise sep
1.072
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17413-7016 HEI 251 1991 3 91 1.1 11.24 11.67 174103.16-701556.6

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