17557-1156 HJ 4997

 
 
17h 55m 37.22s -11 55' 53.6" P.A. 85 sep 11.1 mag 11.01,11.08
 
 
Coord 2000
17557-1156
Discov num
HJ 4997
Comp
Coord arcsec 2000
17 55 37.22 -11 55 53.6
Date first
1835
Date last
2010
Obs
9
Pa first
86
Pa last
85
P.A. Now (θ)
85°
Sep first
12.0
Sep last
11.1
Sep. Now (ρ)
11.1"
Mag pri
11.01
Mag sec
11.08
delta mag (ΔM)
0.07
Spectral class
Pri motion ra
-109
Sec motion ra
+019
Pri motion dec
+060
Sec motion dec
+071
Notes
N (See Notes)
rPM=1.033
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
85
Precise sep
11.05
Constellation
Serpens
Tycho2
5682-01843-1
last precise pa
85
last precise sep
11.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17557-1156 HJ 4997 1999 6 84 11.2 11.01 11.08 N D 175537.22-115553.6
17557-1156 HJ 4997 2000 8 85 11.1 11.01 11.08 N D 175537.22-115553.6
17557-1156 HJ 4997 2010 9 85 10.7 11.01 11.08 N 175537.22-115553.6

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