19557-1305 HLD 153

 
 
19h 55m 39.70s -13 04' 31.1" P.A. 111 sep 1.9 mag 10.02,10.75 Sp F2V
 
 
Coord 2000
19557-1305
Discov num
HLD 153
Comp
Coord arcsec 2000
19 55 39.70 -13 04 31.1
Date first
1882
Date last
1991
Obs
8
Pa first
120
Pa last
111
P.A. Now (θ)
111°
Sep first
3.0
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.02
Mag sec
10.75
delta mag (ΔM)
0.73
Spectral class
F2V (yellow-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-012
Sec motion dec
-012
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
110.6
Precise sep
1.896
Constellation
Sagittarius
Tycho2
5746-00018-1
HD
188448
last precise pa
106
last precise sep
1.939
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19557-1305 HLD 153 1991 8 111 1.9 10.02 10.75 F2V 195539.70-130431.1

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