19080-1726 ARA 290

 
 
19h 07m 57.98s -17 26' 03.8" P.A. 149 sep 13.3 mag 10.52,11.13 Sp B9.5V
 
 
Coord 2000
19080-1726
Discov num
ARA 290
Comp
Coord arcsec 2000
19 07 57.98 -17 26 03.8
Date first
1916
Date last
2017
Obs
9
Pa first
150
Pa last
149
P.A. Now (θ)
149°
Sep first
13.8
Sep last
13.3
Sep. Now (ρ)
13.3"
Mag pri
10.52
Mag sec
11.13
delta mag (ΔM)
0.61
Spectral class
B9.5V (blue-white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-004
Notes
rPM=0.25 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.4
Precise sep
13.269
Constellation
Sagittarius
Tycho2
6287-01782-1
last precise pa
149.4
last precise sep
13.269
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19080-1726 ARA 290 2000 5 150 13.4 10.52 11.13 B9.5V D 190757.98-172603.8
19080-1726 ARA 290 2010 8 149 13.5 10.52 11.13 B9.5V 190757.98-172603.8
19080-1726 ARA 290 2017 9 149 13.3 10.52 11.13 B9.5V 190757.98-172603.8

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