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
Cdsa2 id
UC 3645
Constellation
Corona Austrina
Ra deg
18.70093888888889
De deg
-42.622527777777776
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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