18022+2055 LOC   2

 
 
18h 02m 12.03s +20 54' 44.4" P.A. 13 sep 14.4 mag 14.60,14.70 Sp K3III+K2
 
 
Coord 2000
18022+2055
Discov num
LOC   2
Comp
Coord arcsec 2000
18 02 12.03 +20 54 44.4
Date first
1952
Date last
2010
Obs
4
Pa first
12
Pa last
13
P.A. Now (θ)
13°
Sep first
14.7
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
14.60
Mag sec
14.70
delta mag (ΔM)
0.1
Spectral class
K3III+K2 (yellow-orange/yellow-orange)
Pri motion ra
-007
Sec motion ra
-005
Pri motion dec
+009
Sec motion dec
+009
Notes
V (Proper motion indicates physical)
rPM=0.175 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.6
Precise sep
14.41
Constellation
Hercules
last precise pa
12.6
last precise sep
14.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18022+2055 LOC 2 2001 4 13 14.5 14.60 14.70 K3III+K2 V 180212.03+205444.4
18022+2055 LOC 2 2010 4 13 14.3 14.60 14.70 K3III+K2 V 180212.03+205444.4

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