18501-1317 SRT   1

 
 
18h 50m 04.36s -13 16' 30.2" P.A. 251 sep 29 mag 9.01,9.52 Sp G5V+G0
 
 
Coord 2000
18501-1317
Discov num
SRT   1
Comp
Coord arcsec 2000
18 50 04.36 -13 16 30.2
Date first
1906
Date last
2015
Obs
17
Pa first
251
Pa last
251
P.A. Now (θ)
251°
Sep first
29.0
Sep last
29.0
Sep. Now (ρ)
29"
Mag pri
9.01
Mag sec
9.52
delta mag (ΔM)
0.51
Spectral class
G5V+G0 (yellow/yellow)
Pri motion ra
+042
Sec motion ra
+041
Pri motion dec
-155
Sec motion dec
-156
Notes
W
rPM=0.009 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251
Precise sep
28.951
Constellation
Scutum
last precise pa
251
last precise sep
28.951
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18501-1317 SRT 1 1998 10 251 28.9 9.01 9.52 G5V+G0 D 185004.36-131630.2
18501-1317 SRT 1 2008 11 251 29.1 9.01 9.52 G5V+G0 D 185004.36-131630.2
18501-1317 SRT 1 2010 16 251 29.0 9.01 9.52 G5V+G0 185004.36-131630.2
18501-1317 SRT 1 2015 17 251 29.0 9.01 9.52 G5V+G0 W 185004.36-131630.2

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