18186-1347 DBR 291CD

 
 
18h 18m 36.45s -13 47' 19.0" P.A. 99 sep 3.1 mag 12.90,12.90
 
 
Coord 2000
18186-1347
Discov num
DBR 291
Comp
CD
Coord arcsec 2000
18 18 36.45 -13 47 19.0
Date first
1999
Date last
2017
Obs
3
Pa first
99
Pa last
99
P.A. Now (θ)
99°
Sep first
3.0
Sep last
3.1
Sep. Now (ρ)
3.1"
Mag pri
12.90
Mag sec
12.90
delta mag (ΔM)
0
Spectral class
Pri motion ra
Sec motion ra
Pri motion dec
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18186-1347 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18186-1347 DCH 24 AB 1998 1998 1 30 0.5 10.58 14.33 3.75
Show 18186-1347 DBR 291 CD 1999 2017 3 99 3.1 12.90 12.90 0.00 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.9
Precise sep
3.05
Constellation
Serpens
last precise pa
98.9
last precise sep
3.05
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18186-1347 DBR 291 CD 2017 3 99 3.1 12.90 12.90 181836.45-134719.0

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