19491-1104 HLN  47AC

 
 
19h 49m 07.69s -11 04' 00.1" P.A. 18 sep 11.4 mag 11.33,12.10
 
 
Coord 2000
19491-1104
Discov num
HLN  47
Comp
AC
Coord arcsec 2000
19 49 07.69 -11 04 00.1
Date first
1969
Date last
2000
Obs
3
Pa first
26
Pa last
18
P.A. Now (θ)
18°
Sep first
7.0
Sep last
11.4
Sep. Now (ρ)
11.4"
Mag pri
11.33
Mag sec
12.10
delta mag (ΔM)
0.77
Spectral class
Pri motion ra
+046
Sec motion ra
-005
Pri motion dec
+005
Sec motion dec
+018
Notes
rPM=1.137
This double is not physical.
 
 
19491-1104 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19491-1104 RST4641 AB 1940 1991 3 153 1.3 11.33 12.07 0.74
Show 19491-1104 HLN 47 AC 1969 2000 3 18 11.4 11.33 12.10 0.77 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18.2
Precise sep
11.41
Constellation
Aquila
Tycho2
5729-00770-1
last precise pa
18.2
last precise sep
11.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19491-1104 HLN 47 AC 1969 1 26 7.0 11.33 12.10 194907.72-110400.8
19491-1104 HLN 47 AC 1999 2 19 11.5 11.33 12.10 D 194907.69-110400.1
19491-1104 HLN 47 AC 2000 3 18 11.4 11.33 12.10 D 194907.69-110400.1
19491-1104 HLN 47 AC 2010 4 16 10.9 11.33 12.10 194907.69-110400.1

If you need more information about this double, apply for a data request form to the WDS.