19399-2100 SEE 390

 
 
19h 39m 53.50s -21 00' 17.3" P.A. 75 sep 15.8 mag 8.53,13.28 Sp F3V
 
 
Coord 2000
19399-2100
Discov num
SEE 390
Comp
Coord arcsec 2000
19 39 53.50 -21 00 17.3
Date first
1897
Date last
2015
Obs
8
Pa first
84
Pa last
75
P.A. Now (θ)
75°
Sep first
15.3
Sep last
15.8
Sep. Now (ρ)
15.8"
Mag pri
8.53
Mag sec
13.28
delta mag (ΔM)
4.75
Spectral class
F3V (yellow-white)
Pri motion ra
+006
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
75.3
Precise sep
15.831
Constellation
Sagittarius
SAO
188413
Tycho2
6311-01159-1
Gaia DR2
42065714176
HD
185445
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19399-2100 SEE 390 1998 4 76 15.6 8.53 13.20 F3V D 193953.50-210017.3
19399-2100 SEE 390 2000 6 77 15.7 8.53 13.20 F3V D 193953.50-210017.3
19399-2100 SEE 390 2010 7 76 15.1 8.53 13.28 F3V 193953.50-210017.3
19399-2100 SEE 390 2015 8 75 15.8 8.53 13.28 F3V 193953.50-210017.3

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