16004+1540 HO  400

 
 
16h 00m 23.58s +15 40' 02.9" P.A. 137 sep 11.5 mag 7.97,13.40 Sp F0 dist. 263.16 pc (858.43 l.y.)
 
 
Coord 2000
16004+1540
Discov num
HO  400
Comp
Coord arcsec 2000
16 00 23.58 +15 40 02.9
Date first
1893
Date last
2012
Obs
8
Pa first
133
Pa last
137
P.A. Now (θ)
137°
Sep first
9.8
Sep last
11.5
Sep. Now (ρ)
11.5"
Mag pri
7.97
Mag sec
13.40
delta mag (ΔM)
5.43
Spectral class
F0 (yellow-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-022
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
137.1
Precise sep
11.46
Constellation
Serpens
SAO
101868
HIP
78409
Tycho2
1503-00662-1
HD
143551
BD
BD+16 2865
Distance
263.16
Distance ly
858.43
last precise pa
137.1
last precise sep
11.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16004+1540 HO 400 1997 6 133 10.8 8.40 13.40 F0 D 160023.58+154002.9
16004+1540 HO 400 2001 7 132 10.9 8.40 13.40 F0 D 160023.58+154002.9
16004+1540 HO 400 2012 8 137 11.5 8.40 13.40 F0 160023.58+154002.9

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