18421-4237 UC 3645

 
 
18h 42m 03.38s -42 37' 21.1" P.A. 333 sep 14.4 mag 12.10,15.80
 
 
Coord 2000
18421-4237
Discov num
UC 3645
Comp
Coord arcsec 2000
18 42 03.38 -42 37 21.1
Date first
1998
Date last
2015
Obs
4
Pa first
334
Pa last
333
P.A. Now (θ)
333°
Sep first
14.4
Sep last
14.4
Sep. Now (ρ)
14.4"
Mag pri
12.10
Mag sec
15.80
delta mag (ΔM)
3.7
Spectral class
Pri motion ra
-037
Sec motion ra
-036
Pri motion dec
-051
Sec motion dec
-041
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.16 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
332.6
Precise sep
14.426
Constellation
Corona Austrina
last precise pa
332.6
last precise sep
14.426
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18421-4237 UC 3645 2000 2 333 14.4 12.10 15.80 V 184203.38-423721.1
18421-4237 UC 3645 2010 3 332 14.2 12.10 15.80 V R 184203.38-423721.1
18421-4237 UC 3645 2015 4 333 14.4 12.10 15.80 V R 184203.38-423721.1

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