19539-1237 J  2288

 
 
19h 53m 43.17s -12 37' 42.6" P.A. 99 sep 4.4 mag 12.80,13.20
 
 
Coord 2000
19539-1237
Discov num
J  2288
Comp
Coord arcsec 2000
19 53 43.17 -12 37 42.6
Date first
1942
Date last
2010
Obs
4
Pa first
85
Pa last
99
P.A. Now (θ)
99°
Sep first
3.0
Sep last
4.4
Sep. Now (ρ)
4.4"
Mag pri
12.80
Mag sec
13.20
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-049
Sec motion ra
+051
Pri motion dec
-023
Sec motion dec
-042
Notes
rPM=1.541
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.8
Precise sep
4.44
Constellation
Sagittarius
last precise pa
98.8
last precise sep
4.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19539-1237 J 2288 1942 1 85 3.0 10.40 10.80 195306.67-123700.0
19539-1237 J 2288 2000 2 101 4.6 10.40 10.80 195343.17-123742.6
19539-1237 J 2288 2010 4 99 4.4 12.80 13.20 195343.17-123742.6

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