17461-4920 BRT 991

 
 
17h 45m 58.45s -49 19' 40.8" P.A. 29 sep 4.8 mag 12.63,13.11
 
 
Coord 2000
17461-4920
Discov num
BRT 991
Comp
Coord arcsec 2000
17 45 58.45 -49 19 40.8
Date first
1905
Date last
2000
Obs
3
Pa first
44
Pa last
29
P.A. Now (θ)
29°
Sep first
3.5
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
12.63
Mag sec
13.11
delta mag (ΔM)
0.48
Spectral class
Pri motion ra
-001
Sec motion ra
+005
Pri motion dec
-028
Sec motion dec
-001
Notes
B (Blue magnitudes)
rPM=0.987
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.4
Precise sep
4.78
Constellation
Ara
last precise pa
29.4
last precise sep
4.78
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17461-4920 BRT 991 1905 1 44 3.5 12.63 13.11 B 174558.45-491940.8
17461-4920 BRT 991 1998 2 30 4.8 12.63 13.11 B 174558.45-491940.8
17461-4920 BRT 991 2000 3 29 4.8 12.63 13.11 B 174558.45-491940.8

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