18185-1345 DCH  19

 
 
18h 18m 32.72s -13 45' 11.8" P.A. 231 sep 0.7 mag 7.07,10.62 Sp B9
 
 
Coord 2000
18185-1345
Discov num
DCH  19
Comp
Coord arcsec 2000
18 18 32.72 -13 45 11.8
Date first
1998
Date last
1998
Obs
1
Pa first
231
Pa last
231
P.A. Now (θ)
231°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
7.07
Mag sec
10.62
delta mag (ΔM)
3.55
Spectral class
B9 (blue-white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231.1
Precise sep
0.672
Cdsa2 id
DCH 19
Constellation
Serpens
Tycho2
5689-00966-1
Ra deg
18.30908888888889
De deg
-13.753277777777777
last precise pa
231.1
last precise sep
0.672
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18185-1345 DCH 19 1998 1 231 0.7 10.10   B9 181832.72-134511.8

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