16446+1009 HEI 545

16h 44m 37.75s +10 09' 05.4" P.A. 237 sep 0.8 mag 10.77,11.03

Coord 2000
16446+1009
Discov num
HEI 545
Comp
Coord arcsec 2000
16 44 37.75 +10 09 05.4
Date first
1989
Date last
2010
Obs
6
Pa first
241
Pa last
237
P.A. Now (θ)
237°
Sep first
0.5
Sep last
0.8
Sep. Now (ρ)
0.8"
Mag pri
10.77
Mag sec
11.03
delta mag (ΔM)
0.26
Spectral class
Pri motion ra
-005
Sec motion ra
-005
Pri motion dec
-024
Sec motion dec
-024
Notes


Nature of this double is uncertain.



OTHER CATALOGS AND DESIGNATIONS

Precise pa
236.9
Precise sep
0.84
Constellation
Hercules
Tycho2
0966-00857-1
last precise pa
236.9
last precise sep
0.84




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16446+1009 HEI 545 1997 4 252 0.4 10.77 11.03 164437.75+100905.4
16446+1009 HEI 545 2008 5 236 0.8 10.77 11.03 164437.75+100905.4
16446+1009 HEI 545 2010 6 237 0.8 10.77 11.03 164437.75+100905.4

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