19139-2548 B  2475AB

 
 
19h 13m 51.54s -25 47' 54.9" P.A. 215 sep 8.2 mag 10.20,10.30 Sp F8
 
 
Coord 2000
19139-2548
Discov num
B  2475
Comp
AB
Coord arcsec 2000
19 13 51.54 -25 47 54.9
Date first
1911
Date last
2000
Obs
11
Pa first
218
Pa last
215
P.A. Now (θ)
215°
Sep first
8.7
Sep last
8.2
Sep. Now (ρ)
8.2"
Mag pri
10.20
Mag sec
10.30
delta mag (ΔM)
0.1
Spectral class
F8 (yellow-white)
Pri motion ra
+022
Sec motion ra
+015
Pri motion dec
-002
Sec motion dec
-019
Notes
rPM=0.759
Nature of this double is uncertain.
 
 
19139-2548 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19139-2548 B 2475 Aa,Ab 2016 2017 2 118 0.4 10.30 12.00 1.70
Show 19139-2548 B 2475 AB 1911 2000 11 215 8.2 10.20 10.30 0.10 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
214.7
Precise sep
8.15
Constellation
Sagittarius
last precise pa
214.7
last precise sep
8.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19139-2548 B 2475 AB 2000 11 215 8.2 10.20 10.30 F8 191351.54-254754.9

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