19177-1558 S   715

 
 
19h 17m 39.96s -15 58' 01.7" P.A. 17 sep 8.4 mag 7.07,7.90 Sp A3V
 
 
Coord 2000
19177-1558
Discov num
S   715
Comp
Coord arcsec 2000
19 17 39.96 -15 58 01.7
Date first
1823
Date last
2016
Obs
53
Pa first
10
Pa last
17
P.A. Now (θ)
17°
Sep first
10.0
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
7.07
Mag sec
7.90
delta mag (ΔM)
0.83
Spectral class
A3V (white)
Pri motion ra
+022
Sec motion ra
+022
Pri motion dec
-018
Sec motion dec
-018
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
17.3
Precise sep
8.4
Constellation
Sagittarius
Tycho2
6296-01715-1
HD
180562
last precise pa
17.3
last precise sep
8.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19177-1558 S 715 2007 48 17 8.4 7.07 7.90 A3V D 191739.96-155801.7
19177-1558 S 715 2016 53 17 8.4 7.07 7.90 A3V 191739.96-155801.7

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