20320-3925 B   489AB

 
 
20h 32m 02.09s -39 25' 11.1" P.A. 278 sep 2.1 mag 9.46,12.60 Sp G0V
 
 
Coord 2000
20320-3925
Discov num
B   489
Comp
AB
Coord arcsec 2000
20 32 02.09 -39 25 11.1
Date first
1926
Date last
1935
Obs
4
Pa first
279
Pa last
278
P.A. Now (θ)
278°
Sep first
2.0
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.46
Mag sec
12.60
delta mag (ΔM)
3.14
Spectral class
G0V (yellow)
Pri motion ra
+036
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20320-3925 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20320-3925 B 489 AB 1926 1935 4 278 2.1 9.46 12.60 3.14 <===
Show 20320-3925 WG 257 AC 1904 2015 6 238 24.5 9.46 11.52 2.06
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.4
Precise sep
2.09
Constellation
Microscopium
SAO
212205
Tycho2
7954-00019-1
Gaia DR2
36623364224
HD
195333
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20320-3925 B 489 AB 1935 4 278 2.1 9.46 12.60 G0V 203202.09-392511.1

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