18180-1842 HWE  42

 
 
18H 18M 03.20S -18 45' 44.7" P.A. 192 SEP 21.2 MAG 8.73,11.55 SP F6IAB/B
 
 
Coord 2000
18180-1842
Discov num
HWE  42
Comp
Coord arcsec 2000
18 18 03.20 -18 45 44.7
Date first
1879
Date last
2016
Obs
9
Pa first
195
Pa last
192
P.A. Now (θ)
192°
Sep first
20.2
Sep last
21.2
Sep. Now (ρ)
21.2"
Mag pri
8.73
Mag sec
11.55
delta mag (ΔM)
2.82
Spectral class
F6Iab/b (yellow-white)
Pri motion ra
-013
Sec motion ra
+001
Pri motion dec
+007
Sec motion dec
+001
Notes
rPM=1.032
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
161288
Tycho2
6273-00046-1
HD
167885
last precise pa
191.6
last precise sep
21.199