21220-3733 B   525

 
 
21h 22m 00.02s -37 33' 15.8" P.A. 171 sep 0.9 mag 9.15,11.86 Sp F0V
 
 
Coord 2000
21220-3733
Discov num
B   525
Comp
Coord arcsec 2000
21 22 00.02 -37 33 15.8
Date first
1927
Date last
1991
Obs
5
Pa first
154
Pa last
171
P.A. Now (θ)
171°
Sep first
0.5
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.15
Mag sec
11.86
delta mag (ΔM)
2.71
Spectral class
F0V (yellow-white)
Pri motion ra
+003
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
-007
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
171.3
Precise sep
0.91
Cdsa2 id
B 525
Constellation
Microscopium
Tycho2
7979-00228-1
HD
203227
Ra deg
21.366672222222224
De deg
-37.55438888888889
last precise pa
171.3
last precise sep
0.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21220-3733 B 525 1991 5 171 0.9 9.15 11.86 F0V 212200.02-373315.8

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