18294-2258 BRT1538

 
 
18h 29m 20.34s -22 58' 19.4" P.A. 290 sep 4.1 mag 11.15,11.60
 
 
Coord 2000
18294-2258
Discov num
BRT1538
Comp
Coord arcsec 2000
18 29 20.34 -22 58 19.4
Date first
1921
Date last
1999
Obs
5
Pa first
287
Pa last
290
P.A. Now (θ)
290°
Sep first
3.2
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
11.15
Mag sec
11.60
delta mag (ΔM)
0.45
Spectral class
Pri motion ra
+031
Sec motion ra
-030
Pri motion dec
-037
Sec motion dec
-015
Notes
rPM=1.343
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
289.8
Precise sep
4.096
Constellation
Sagittarius
last precise pa
289.8
last precise sep
4.096
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18294-2258 BRT1538 1928 3 288 3.1 11.20 11.60 182915.00-225800.0
18294-2258 BRT1538 1998 4 290 3.9 11.15 11.60 D 182920.34-225819.4
18294-2258 BRT1538 1999 5 290 4.1 11.15 11.60 D 182920.34-225819.4

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