19439-0547 BWL  52AD

 
 
19H 43M 54.33S -05 46' 36.4" P.A. 245 SEP 2.5 MAG 8.86,20.20 SP M4.0
 
 
Coord 2000
19439-0547
Discov num
BWL  52
Comp
AD
Coord arcsec 2000
19 43 54.33 -05 46 36.4
Date first
2012
Date last
2013
Obs
2
Pa first
245
Pa last
245
P.A. Now (θ)
245°
Sep first
2.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
8.86
Mag sec
20.20
delta mag (ΔM)
11.34
Spectral class
M4.0 (red)
Pri motion ra
+057
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
U K (Proper motion indicates non-physical, K-band or other infrared magnitudes)
This double is not physical.
 
 
19439-0547 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19439-0547 BWL 52 AB 2012 2013 2 110 4.2 8.86 19.70 10.84
Show 19439-0547 BWL 52 AC 2012 2012 1 193 5.3 8.86 20.60 11.74
Show 19439-0547 BWL 52 AD 2012 2013 2 245 2.5 8.86 20.20 11.34 <===
Show 19439-0547 BWL 52 AE 2012 2013 2 281 4.9 8.86 20.50 11.64
Show 19439-0547 BWL 52 AF 2013 2013 1 83 6.0 8.86 22.40 13.54
Show 19439-0547 BWL 52 AG 2013 2013 1 94 4.9 8.86 22.50 13.64
Show 19439-0547 BWL 52 AH 2013 2013 1 333 5.8 8.86 22.30 13.44
Octuple system
8 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Aquila
last precise pa
244.9
last precise sep
2.471