18390-1528 J  1834

 
 
18h 38m 58.65s -15 26' 25.7" P.A. 59 sep 7.5 mag 11.08,12.66 Sp B
 
 
Coord 2000
18390-1528
Discov num
J  1834
Comp
Coord arcsec 2000
18 38 58.65 -15 26 25.7
Date first
1941
Date last
2000
Obs
5
Pa first
60
Pa last
59
P.A. Now (θ)
59°
Sep first
6.0
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.08
Mag sec
12.66
delta mag (ΔM)
1.58
Spectral class
B (blue-white)
Pri motion ra
+002
Sec motion ra
+004
Pri motion dec
-001
Sec motion dec
-003
Notes
B (Blue magnitudes)
rPM=0.566
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
58.8
Precise sep
7.507
Constellation
Scutum
Tycho2
6267-02407-1
last precise pa
58.8
last precise sep
7.507
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18390-1528 J 1834 1941 1 60 6.0 11.08 12.66 B 183858.65-152625.7
18390-1528 J 1834 2000 2 59 7.5 11.08 12.66 B 183858.65-152625.7

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