19240-2842 DAW 111

 
 
19h 23m 58.75s -28 42' 14.1" P.A. 274 sep 1.3 mag 9.42,11.99 Sp A9IV
 
 
Coord 2000
19240-2842
Discov num
DAW 111
Comp
Coord arcsec 2000
19 23 58.75 -28 42 14.1
Date first
1920
Date last
2016
Obs
7
Pa first
286
Pa last
274
P.A. Now (θ)
274°
Sep first
1.3
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
9.42
Mag sec
11.99
delta mag (ΔM)
2.57
Spectral class
A9IV (white)
Pri motion ra
-005
Sec motion ra
-006
Pri motion dec
+004
Sec motion dec
+003
Notes
rPM=0.211 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.1
Precise sep
1.315
Cdsa2 id
DAW 111
Constellation
Sagittarius
Tycho2
6888-00040-1
HD
182047
Ra deg
19.399652777777778
De deg
-28.703916666666665
last precise pa
274.1
last precise sep
1.315
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19240-2842 DAW 111 1991 6 277 1.3 9.42 11.99 A9IV 192358.75-284214.1
19240-2842 DAW 111 2016 7 274 1.3 9.42 11.99 A9IV 192358.75-284214.1

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