16446+1337 HU 1277

 
 
16h 44m 33.90s +13 36' 40.0" P.A. 10 sep 2.8 mag 8.62,11.94 Sp A0 dist. 1666.67 pc (5436.68 l.y.)
 
 
Coord 2000
16446+1337
Discov num
HU 1277
Comp
Coord arcsec 2000
16 44 33.90 +13 36 40.0
Date first
1905
Date last
2010
Obs
7
Pa first
10
Pa last
10
P.A. Now (θ)
10°
Sep first
3.0
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
8.62
Mag sec
11.94
delta mag (ΔM)
3.32
Spectral class
A0 (white)
Pri motion ra
-006
Sec motion ra
-007
Pri motion dec
-001
Sec motion dec
+003
Notes
rPM=0.541
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.9
Precise sep
2.79
Constellation
Hercules
SAO
102355
HIP
81958
Tycho2
0974-01310-1
HD
151072
BD
BD+13 3207
Distance
1666.67
Distance ly
5436.68
last precise pa
9.9
last precise sep
2.79
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16446+1337 HU 1277 1991 6 7 2.9 8.62 11.94 A0 164433.90+133640.0
16446+1337 HU 1277 2010 7 10 2.8 8.62 11.94 A0 164433.90+133640.0

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