18101-3538 B  2857

 
 
18h 10m 05.64s -35 38' 04.5" P.A. 303 sep 6 mag 9.97,10.00 Sp B8
 
 
Coord 2000
18101-3538
Discov num
B  2857
Comp
Coord arcsec 2000
18 10 05.64 -35 38 04.5
Date first
1930
Date last
1999
Obs
4
Pa first
315
Pa last
303
P.A. Now (θ)
303°
Sep first
6.0
Sep last
6.0
Sep. Now (ρ)
6"
Mag pri
9.97
Mag sec
10.00
delta mag (ΔM)
0.03
Spectral class
B8 (blue-white)
Pri motion ra
+000
Sec motion ra
-137
Pri motion dec
-001
Sec motion dec
+040
Notes
rPM=1.002
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.5
Precise sep
5.952
Constellation
Sagittarius
SAO
209796
Tycho2
7404-05262-1
HD
165980
last precise pa
302.5
last precise sep
5.952
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18101-3538 B 2857 1998 2 302 6.0 9.97   B8 D 181005.64-353804.5
18101-3538 B 2857 1999 4 303 6.0 9.97 10.00 B8 D 181005.64-353804.5

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