16128+4122 STF2030

 
 
16h 12m 43.21s +40 46' 54.1" P.A. 240 sep 5.7 mag 7.91,10.16 Sp A0 dist. 139.47 pc (454.95 l.y.)
 
 
Coord 2000
16128+4122
Discov num
STF2030
Comp
Coord arcsec 2000
16 12 43.21 +40 46 54.1
Date first
1831
Date last
2015
Obs
22
Pa first
238
Pa last
240
P.A. Now (θ)
240°
Sep first
5.5
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
7.91
Mag sec
10.16
delta mag (ΔM)
2.25
Spectral class
A0 (white)
Pri motion ra
-019
Sec motion ra
-021
Pri motion dec
+003
Sec motion dec
+000
Notes
rPM=0.172 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
240.4
Precise sep
5.72
Constellation
Hercules
SAO
45965
HIP
79436
Tycho2
3064-00082-1
HD
146080
BD
BD+41 2680
Distance
139.47
Distance ly
454.95
last precise pa
240.4
last precise sep
5.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16128+4122 STF2030 1998 17 239 5.6 7.91 10.16 A0 D 161243.21+404654.1
16128+4122 STF2030 2011 19 239 5.5 7.91 10.16 A0 D 161243.21+404654.1
16128+4122 STF2030 2015 22 240 5.7 7.91 10.16 A0 161243.21+404654.1

If you need more information about this double, apply for a data request form to the WDS.