20337-4104 B   490

 
 
20h 33m 42.37s -41 03' 39.2" P.A. 63.00 sep 1.2 mag 10.50,10.98 Sp F0/2V dist. 278.55 pc (908.63 l.y.)
 
 
Coord 2000
20337-4104
Discov num
B   490
Comp
Coord arcsec 2000
20 33 42.37 -41 03 39.2
Date first
1927
Date last
2015
Obs
7
Pa first
64
Pa last
63
P.A. Now (θ)
63°
Sep first
1.3
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
10.50
Mag sec
10.98
delta mag (ΔM)
0.48
Spectral class
F0/2V (yellow-white)
Pri motion ra
+016
Sec motion ra
+016
Pri motion dec
-022
Sec motion dec
-022
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.4
Precise sep
1.212
Constellation
Microscopium
HIP
101454
Tycho2
7954-00364-1
Gaia DR2
98775946240
HD
195568
CD
CD-4114092
CP
CP-41 9398
Distance
278.55
Distance ly
908.63
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20337-4104 B 490 1991 6 62 1.2 10.50 10.98 F0/2V D 203342.37-410339.2
20337-4104 B 490 2015 7 63 1.2 10.50 10.98 F0/2V 203342.37-410339.2

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