18331-3752 BRT1781

 
 
18h 33m 10.61s -37 51' 32.8" P.A. 191 sep 4.2 mag 12.37,12.90
 
 
Coord 2000
18331-3752
Discov num
BRT1781
Comp
Coord arcsec 2000
18 33 10.61 -37 51 32.8
Date first
1913
Date last
2010
Obs
4
Pa first
191
Pa last
191
P.A. Now (θ)
191°
Sep first
3.0
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
12.37
Mag sec
12.90
delta mag (ΔM)
0.53
Spectral class
Pri motion ra
+011
Sec motion ra
-006
Pri motion dec
+036
Sec motion dec
-042
Notes
rPM=1.882
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
191.1
Precise sep
4.15
Constellation
Corona Austrina
Tycho2
7902-00782-1
last precise pa
191.1
last precise sep
4.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18331-3752 BRT1781 1913 1 191 3.0 12.37 12.90 183310.61-375132.8
18331-3752 BRT1781 1998 2 192 4.2 12.37 12.90 183310.61-375132.8
18331-3752 BRT1781 2010 4 190 3.4 12.37 12.90 183310.61-375132.8

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