18239-2139 BRT1536

 
 
18h 23m 53.00s -21 39' 13.6" P.A. 71 sep 3.5 mag 13.10,13.20
 
 
Coord 2000
18239-2139
Discov num
BRT1536
Comp
Coord arcsec 2000
18 23 53.00 -21 39 13.6
Date first
1920
Date last
1999
Obs
3
Pa first
69
Pa last
71
P.A. Now (θ)
71°
Sep first
3.3
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
13.10
Mag sec
13.20
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-035
Sec motion ra
+005
Pri motion dec
-005
Sec motion dec
-002
Notes
rPM=1.135
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
70.8
Precise sep
3.475
Constellation
Sagittarius
last precise pa
70.8
last precise sep
3.475
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18239-2139 BRT1536 1998 2 69 3.4 13.10 13.20 D 182353.00-213913.6
18239-2139 BRT1536 1999 3 71 3.5 13.10 13.20 D 182353.00-213913.6

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