19039-2152 ARA1908

 
 
19h 03m 54.81s -21 52' 00.8" P.A. 272 sep 11.5 mag 10.70,12.60 Sp A4II
 
 
Coord 2000
19039-2152
Discov num
ARA1908
Comp
Coord arcsec 2000
19 03 54.81 -21 52 00.8
Date first
1926
Date last
1999
Obs
4
Pa first
274
Pa last
272
P.A. Now (θ)
272°
Sep first
11.0
Sep last
11.5
Sep. Now (ρ)
11.5"
Mag pri
10.70
Mag sec
12.60
delta mag (ΔM)
1.9
Spectral class
A4II (white)
Pri motion ra
-002
Sec motion ra
-003
Pri motion dec
-010
Sec motion dec
-007
Notes
rPM=0.31
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.4
Precise sep
11.488
Constellation
Sagittarius
Tycho2
6294-01314-1
HD
177055
last precise pa
272.4
last precise sep
11.488
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19039-2152 ARA1908 1998 2 272 11.6 10.70 12.60 A4II D 190354.81-215200.8
19039-2152 ARA1908 1999 3 272 11.5 10.70 12.60 A4II D 190354.81-215200.8
19039-2152 ARA1908 2010 5 271 12.4 10.70 12.60 A4II 190354.81-215200.8

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