16229-2307 BU  624

 
 
16h 22m 51.78s -23 07' 07.3" P.A. 325 sep 1.4 mag 7.81,9.30 Sp A2.5V dist. 131.41 pc (428.66 l.y.)
 
 
Coord 2000
16229-2307
Discov num
BU  624
Comp
Coord arcsec 2000
16 22 51.78 -23 07 07.3
Date first
1878
Date last
2016
Obs
23
Pa first
322
Pa last
325
P.A. Now (θ)
325°
Sep first
1.1
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
7.81
Mag sec
9.30
delta mag (ΔM)
1.49
Spectral class
A2.5V (white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-025
Sec motion dec
-025
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
325
Precise sep
1.44
Constellation
Scorpius
SAO
184350
HIP
80238
Tycho2
6794-00016-1
HD
147432
BD
BD-22 4159
CD
CD-2211522
CP
CP-22 6185
Distance
131.41
Distance ly
428.66
last precise pa
325
last precise sep
1.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16229-2307 BU 624 1991 21 318 1.1 7.81 9.30 A2.5V VD 162251.78-230707.3
16229-2307 BU 624 2000 22 319 1.0 7.81 9.30 A2.5V VD 162251.78-230707.3
16229-2307 BU 624 2016 23 325 1.4 7.81 9.30 A2.5V V 162251.78-230707.3

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