18017-4442 BRT1012

 
 
18h 01m 45.86s -44 42' 19.1" P.A. 203 sep 5.6 mag 11.73,12.90
 
 
Coord 2000
18017-4442
Discov num
BRT1012
Comp
Coord arcsec 2000
18 01 45.86 -44 42 19.1
Date first
1905
Date last
1999
Obs
4
Pa first
217
Pa last
203
P.A. Now (θ)
203°
Sep first
4.1
Sep last
5.6
Sep. Now (ρ)
5.6"
Mag pri
11.73
Mag sec
12.90
delta mag (ΔM)
1.17
Spectral class
Pri motion ra
+012
Sec motion ra
-036
Pri motion dec
+022
Sec motion dec
-102
Notes
rPM=1.229
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
202.6
Precise sep
5.61
Constellation
Corona Austrina
Tycho2
7911-02275-1
last precise pa
202.6
last precise sep
5.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18017-4442 BRT1012 1905 2 215 3.3 11.73 12.90 180145.86-444219.1
18017-4442 BRT1012 1998 3 203 5.6 11.73 12.90 180145.86-444219.1
18017-4442 BRT1012 1999 4 203 5.6 11.73 12.90 180145.86-444219.1

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