18057-0433 HJ 5016

 
 
18h 05m 42.78s -04 32' 40.9" P.A. 88 sep 12.1 mag 9.02,11.10 Sp A2
 
 
Coord 2000
18057-0433
Discov num
HJ 5016
Comp
Coord arcsec 2000
18 05 42.78 -04 32 40.9
Date first
1904
Date last
2010
Obs
8
Pa first
89
Pa last
88
P.A. Now (θ)
88°
Sep first
12.2
Sep last
12.1
Sep. Now (ρ)
12.1"
Mag pri
9.02
Mag sec
11.10
delta mag (ΔM)
2.08
Spectral class
A2 (white)
Pri motion ra
+015
Sec motion ra
+025
Pri motion dec
-002
Sec motion dec
-001
Notes
rPM=0.402
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.6
Precise sep
12.09
Constellation
Serpens
Tycho2
5104-00031-1
HD
165344
last precise pa
87.6
last precise sep
12.09
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18057-0433 HJ 5016 2006 6 88 12.2 9.02 11.10 A2 D 180542.78-043240.9
18057-0433 HJ 5016 2010 8 88 12.0 9.02 11.10 A2 180542.78-043240.9

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