19453-2245 B  2879

 
 
19h 45m 15.75s -22 44' 58.5" P.A. 150 sep 13 mag 9.15,12.30 Sp A9IV/V
 
 
Coord 2000
19453-2245
Discov num
B  2879
Comp
Coord arcsec 2000
19 45 15.75 -22 44 58.5
Date first
1930
Date last
2010
Obs
4
Pa first
135
Pa last
150
P.A. Now (θ)
150°
Sep first
10.0
Sep last
13.0
Sep. Now (ρ)
13"
Mag pri
9.15
Mag sec
12.30
delta mag (ΔM)
3.15
Spectral class
A9IV/V (white)
Pri motion ra
+004
Sec motion ra
+012
Pri motion dec
+001
Sec motion dec
-016
Notes
rPM=0.939
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.5
Precise sep
13.01
Cdsa2 id
B 2879
Constellation
Sagittarius
Ra deg
19.754375
De deg
-22.749583333333334
last precise pa
149.5
last precise sep
13.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19453-2245 B 2879 1930 1 135 10.0 9.15 12.30 A9IV/V 194515.75-224458.5
19453-2245 B 2879 1999 2 150 13.0 9.15 12.30 A9IV/V 194515.75-224458.5
19453-2245 B 2879 2010 4 150 12.9 9.15 12.30 A9IV/V 194515.75-224458.5

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