18509-1646 HLD 148

 
 
18h 50m 43.05s -16 47' 28.8" P.A. 30 sep 5 mag 9.00,12.80
 
 
Coord 2000
18509-1646
Discov num
HLD 148
Comp
Coord arcsec 2000
18 50 43.05 -16 47 28.8
Date first
1889
Date last
2015
Obs
9
Pa first
19
Pa last
30
P.A. Now (θ)
30°
Sep first
3.4
Sep last
5.0
Sep. Now (ρ)
5"
Mag pri
9.00
Mag sec
12.80
delta mag (ΔM)
3.8
Spectral class
Pri motion ra
-036
Sec motion ra
+051
Pri motion dec
-042
Sec motion dec
+092
Notes
rPM=1.519
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.8
Precise sep
5.006
Constellation
Sagittarius
SAO
161896
Gaia DR2
4099264499836482560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18509-1646 HLD 148 1936 4 20 3.6 9.00 12.80 185006.67-164600.0
18509-1646 HLD 148 2000 6 35 4.8 9.00 12.80 185043.05-164728.8
18509-1646 HLD 148 2015 9 30 5.0 9.00 12.80 185043.05-164728.8

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