16440+5036 ES   76AB

 
 
16h 44m 01.74s +50 36' 21.3" P.A. 44 sep 2.5 mag 10.77,11.27 Sp G5
 
 
Coord 2000
16440+5036
Discov num
ES   76
Comp
AB
Coord arcsec 2000
16 44 01.74 +50 36 21.3
Date first
1901
Date last
2011
Obs
18
Pa first
47
Pa last
44
P.A. Now (θ)
44°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
10.77
Mag sec
11.27
delta mag (ΔM)
0.5
Spectral class
G5 (yellow)
Pri motion ra
-018
Sec motion ra
Pri motion dec
-027
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16440+5036 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 16440+5036 ES 76 AB 1901 2011 18 44 2.5 10.77 11.27 0.50 <===
Show 16440+5036 ES 76 AC 1897 2011 14 204 44.7 10.77 11.07 0.30
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
44.1
Precise sep
2.5
Constellation
Hercules
Tycho2
3505-00052-1
HD
234343
last precise pa
44.1
last precise sep
2.5
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16440+5036 ES 76 AB 1998 12 45 2.5 10.77 11.27 G5 164401.74+503621.3
16440+5036 ES 76 AB 2010 13 44 2.4 10.77 11.27 G5 164401.74+503621.3
16440+5036 ES 76 AB 2011 14 44 2.4 10.77 11.27 G5 164401.74+503621.3

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