17528-1319 HJ 4993

 
 
17h 52m 51.55s -13 19' 46.1" P.A. 302 sep 19.3 mag 10.43,11.53
 
 
Coord 2000
17528-1319
Discov num
HJ 4993
Comp
Coord arcsec 2000
17 52 51.55 -13 19 46.1
Date first
1890
Date last
2010
Obs
9
Pa first
304
Pa last
302
P.A. Now (θ)
302°
Sep first
18.7
Sep last
19.3
Sep. Now (ρ)
19.3"
Mag pri
10.43
Mag sec
11.53
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+003
Sec motion ra
-005
Pri motion dec
+001
Sec motion dec
-002
Notes
rPM=1.587
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.8
Precise sep
19.34
Constellation
Serpens
Tycho2
5686-00301-1
last precise pa
301.8
last precise sep
19.34
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17528-1319 HJ 4993 1999 7 302 19.4 10.43 11.53 D 175251.55-131946.1
17528-1319 HJ 4993 2000 8 302 19.4 10.43 11.53 D 175251.55-131946.1
17528-1319 HJ 4993 2010 9 302 19.0 10.43 11.53 175251.55-131946.1

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