16440+1236 HEI 544

 
 
16h 44m 02.60s +12 36' 07.3" P.A. 139 sep 3 mag 10.30,10.40 Sp em
 
 
Coord 2000
16440+1236
Discov num
HEI 544
Comp
Coord arcsec 2000
16 44 02.60 +12 36 07.3
Date first
1987
Date last
2014
Obs
5
Pa first
145
Pa last
139
P.A. Now (θ)
139°
Sep first
2.9
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
10.30
Mag sec
10.40
delta mag (ΔM)
0.1
Spectral class
em
Pri motion ra
-035
Sec motion ra
-007
Pri motion dec
+000
Sec motion dec
-028
Notes
rPM=1.131
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
139.2
Precise sep
3.02
Constellation
Hercules
Tycho2
0970-00929-1
last precise pa
139.2
last precise sep
3.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16440+1236 HEI 544 2000 3 140 2.9 10.30 10.40 D 164402.60+123607.3
16440+1236 HEI 544 2001 4 140 2.9 10.30 10.40 D 164402.60+123607.3
16440+1236 HEI 544 2014 5 139 3.0 10.30 10.40 em 164402.60+123607.3

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