18302-2135 ARA1537

 
 
18h 30m 13.84s -21 34' 59.9" P.A. 78 sep 13.3 mag 12.70,13.00
 
 
Coord 2000
18302-2135
Discov num
ARA1537
Comp
Coord arcsec 2000
18 30 13.84 -21 34 59.9
Date first
1922
Date last
2010
Obs
5
Pa first
76
Pa last
78
P.A. Now (θ)
78°
Sep first
13.0
Sep last
13.3
Sep. Now (ρ)
13.3"
Mag pri
12.70
Mag sec
13.00
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-002
Sec motion ra
-005
Pri motion dec
-002
Sec motion dec
+010
Notes
rPM=1.106
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.6
Precise sep
13.29
Constellation
Sagittarius
last precise pa
77.6
last precise sep
13.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18302-2135 ARA1537 1998 2 77 13.4 12.70 13.00 D 183013.84-213459.9
18302-2135 ARA1537 1999 3 78 13.4 12.70 13.00 D 183013.84-213459.9
18302-2135 ARA1537 2010 5 78 13.2 12.70 13.00 183013.84-213459.9

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