20090-4452 B   986

 
 
20h 09m 01.81s -44 51' 46.3" P.A. 105 sep 2.1 mag 9.94,10.97 Sp F7V dist. 132.1 pc (430.91 l.y.)
 
 
Coord 2000
20090-4452
Discov num
B   986
Comp
Coord arcsec 2000
20 09 01.81 -44 51 46.3
Date first
1927
Date last
2015
Obs
8
Pa first
111
Pa last
105
P.A. Now (θ)
105°
Sep first
2.1
Sep last
2.1
Sep. Now (ρ)
2.1"
Mag pri
9.94
Mag sec
10.97
delta mag (ΔM)
1.03
Spectral class
F7V (yellow-white)
Pri motion ra
+004
Sec motion ra
+004
Pri motion dec
-036
Sec motion dec
-036
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.9
Precise sep
2.088
Constellation
Sagittarius
SAO
230069
HIP
99268
Tycho2
7959-00085-1
Gaia DR2
66903194880
HD
190897
CD
CD-4513634
CP
CP-45 9880
Distance
132.1
Distance ly
430.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20090-4452 B 986 1991 7 107 2.0 9.94 10.97 F7V D 200901.81-445146.3
20090-4452 B 986 2015 8 105 2.1 9.94 10.97 F7V 200901.81-445146.3

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