16278+2506 COU 413

 
 
16h 27m 49.33s +25 05' 34.9" P.A. 323 sep 4.7 mag 9.70,10.50 Sp A0
 
 
Coord 2000
16278+2506
Discov num
COU 413
Comp
Coord arcsec 2000
16 27 49.33 +25 05 34.9
Date first
1969
Date last
2016
Obs
9
Pa first
316
Pa last
323
P.A. Now (θ)
323°
Sep first
4.2
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
9.70
Mag sec
10.50
delta mag (ΔM)
0.8
Spectral class
A0 (white)
Pri motion ra
-005
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
323.1
Precise sep
4.674
Constellation
Hercules
SAO
84391
Tycho2
2047-01166-1
last precise pa
323.1
last precise sep
4.674
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16278+2506 COU 413 1999 4 320 4.5 9.70 10.50 A0 D 162749.33+250534.9
16278+2506 COU 413 2008 7 321 4.6 9.70 10.50 A0 D 162749.33+250534.9
16278+2506 COU 413 2016 9 323 4.7 9.70 10.50 A0 162749.33+250534.9

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