18144+2127 HJ 2828

 
 
18h 14m 23.56s +21 27' 08.6" P.A. 110 sep 16.4 mag 9.23,9.84 Sp G5
 
 
Coord 2000
18144+2127
Discov num
HJ 2828
Comp
Coord arcsec 2000
18 14 23.56 +21 27 08.6
Date first
1830
Date last
2016
Obs
22
Pa first
111
Pa last
110
P.A. Now (θ)
110°
Sep first
15.0
Sep last
16.4
Sep. Now (ρ)
16.4"
Mag pri
9.23
Mag sec
9.84
delta mag (ΔM)
0.61
Spectral class
G5 (yellow)
Pri motion ra
-038
Sec motion ra
-037
Pri motion dec
-089
Sec motion dec
-089
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.01 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
109.8
Precise sep
16.438
Constellation
Hercules
SAO
85849
Tycho2
1579-01567-1
HD
341868
last precise pa
109.8
last precise sep
16.438
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18144+2127 HJ 2828 2004 18 110 16.8 9.23 9.84 G5 N DV 181423.56+212708.6
18144+2127 HJ 2828 2010 20 110 16.0 9.23 9.84 G5 NV 181423.56+212708.6
18144+2127 HJ 2828 2015 21 110 16.4 9.23 9.84 G5 NV 181423.56+212708.6
18144+2127 HJ 2828 2016 22 110 16.4 9.23 9.84 G5 NV 181423.56+212708.6

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