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
Cdsa2 id
UC 3642
Constellation
Corona Austrina
Ra deg
18.700802777777778
De deg
-40.56008333333333
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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