02490-1029 BRG  16BC

 
 
02h 49m 02.28s -10 29' 22.0" P.A. 245 sep 0.2 mag 10.00, Sp M4.0+M4.0
 
 
Coord 2000
02490-1029
Discov num
BRG  16
Comp
BC
Coord arcsec 2000
02 49 02.28 -10 29 22.0
Date first
2008
Date last
2017
Obs
4
Pa first
215
Pa last
245
P.A. Now (θ)
245°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.00
Mag sec
delta mag (ΔM)
Spectral class
M4.0+M4.0 (red/red)
Pri motion ra
+052
Sec motion ra
Pri motion dec
-030
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
02490-1029 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 02490-1029 BRG 16 AB 2008 2017 4 214 0.5 8.82
Show 02490-1029 BRG 16 AC 2008 2008 1 211 0.6 8.82
Show 02490-1029 BRG 16 BC 2008 2017 4 245 0.2 10.00 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.4
Precise sep
0.207
Cdsa2 id
BRG 16 BC
Constellation
Eridanus
Ra deg
2.8173
De deg
-10.489444444444443
last precise pa
245.4
last precise sep
0.207
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02490-1029 BRG 16 BC 2010 1 217 0.2 10.00   M3.5 M3.5 K 024902.28-102922.0
02490-1029 BRG 16 BC 2012 3 228 0.2 10.00   M3.5 M3.5 NV K 024902.28-102922.0
02490-1029 BRG 16 BC 2017 4 245 0.2 10.00   M4.0+M4.0 NV K 024902.28-102922.0

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