20090-3843 SEE 407

 
 
20h 09m 01.09s -38 43' 24.8" P.A. 259 sep 3.3 mag 9.43,9.86 Sp F6V
 
 
Coord 2000
20090-3843
Discov num
SEE 407
Comp
Coord arcsec 2000
20 09 01.09 -38 43 24.8
Date first
1896
Date last
1998
Obs
12
Pa first
261
Pa last
259
P.A. Now (θ)
259°
Sep first
3.1
Sep last
3.3
Sep. Now (ρ)
3.3"
Mag pri
9.43
Mag sec
9.86
delta mag (ΔM)
0.43
Spectral class
F6V (yellow-white)
Pri motion ra
+037
Sec motion ra
+013
Pri motion dec
-020
Sec motion dec
-024
Notes
rPM=0.578
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.5
Precise sep
3.302
Constellation
Sagittarius
Tycho2
7947-01019-1
HD
190981
last precise pa
258.5
last precise sep
3.302
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20090-3843 SEE 407 1991 11 259 3.4 9.43 9.86 F6V 200901.09-384324.8
20090-3843 SEE 407 1998 12 259 3.3 9.43 9.86 F6V 200901.09-384324.8

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