18420-4034 UC 3642

 
 
18h 42m 02.89s -40 33' 36.3" P.A. 337 sep 47 mag 14.30,16.50
 
 
Coord 2000
18420-4034
Discov num
UC 3642
Comp
Coord arcsec 2000
18 42 02.89 -40 33 36.3
Date first
1998
Date last
2010
Obs
4
Pa first
338
Pa last
337
P.A. Now (θ)
337°
Sep first
47.0
Sep last
47.0
Sep. Now (ρ)
47"
Mag pri
14.30
Mag sec
16.50
delta mag (ΔM)
2.2
Spectral class
Pri motion ra
-050
Sec motion ra
-055
Pri motion dec
-012
Sec motion dec
+002
Notes
V (Proper motion indicates physical)
rPM=0.27 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337.1
Precise sep
47.01
Constellation
Corona Austrina
last precise pa
337.1
last precise sep
47.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18420-4034 UC 3642 2000 2 338 47.2 14.30 16.10 V 184202.89-403336.3
18420-4034 UC 3642 2001 3 338 47.2 14.30 16.10 V 184202.89-403336.3
18420-4034 UC 3642 2010 4 334 47.6 14.30 16.50 V 184202.89-403336.3

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