18142+2127 BIG   2

 
 
18h 14m 11.85s +21 26' 52.0" P.A. 141 sep 34.5 mag 9.70,11.70 Sp K0
 
 
Coord 2000
18142+2127
Discov num
BIG   2
Comp
Coord arcsec 2000
18 14 11.85 +21 26 52.0
Date first
1893
Date last
2016
Obs
9
Pa first
142
Pa last
141
P.A. Now (θ)
141°
Sep first
35.5
Sep last
34.5
Sep. Now (ρ)
34.5"
Mag pri
9.70
Mag sec
11.70
delta mag (ΔM)
2
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
+008
Pri motion dec
+000
Sec motion dec
+007
Notes
rPM=0.867
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
141.1
Precise sep
34.484
Constellation
Hercules
Tycho2
1579-01379-1
HD
341866
last precise pa
141.1
last precise sep
34.484
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18142+2127 BIG 2 2000 4 141 34.5 9.70 11.70 K0 181411.85+212652.0
18142+2127 BIG 2 2001 5 141 34.5 9.70 11.70 K0 181411.85+212652.0
18142+2127 BIG 2 2010 6 141 34.4 9.70 11.70 K0 181411.85+212652.0
18142+2127 BIG 2 2015 7 141 34.2 9.70 11.70 K0 181411.85+212652.0
18142+2127 BIG 2 2016 8 141 34.5 9.70 11.70 K0 181411.85+212652.0

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