18046-1936 HJ 2817

 
 
18h 04m 39.59s -19 36' 23.0" P.A. 275 sep 13.4 mag 9.92,11.03 Sp G5
 
 
Coord 2000
18046-1936
Discov num
HJ 2817
Comp
Coord arcsec 2000
18 04 39.59 -19 36 23.0
Date first
1830
Date last
1999
Obs
10
Pa first
276
Pa last
275
P.A. Now (θ)
275°
Sep first
7.0
Sep last
13.4
Sep. Now (ρ)
13.4"
Mag pri
9.92
Mag sec
11.03
delta mag (ΔM)
1.11
Spectral class
G5 (yellow)
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-003
Sec motion dec
-002
Notes
rPM=0.392
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.7
Precise sep
13.432
Constellation
Sagittarius
Tycho2
6259-01049-1
HD
312572
last precise pa
274.7
last precise sep
13.432
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18046-1936 HJ 2817 1999 9 275 13.4 9.92 11.03 D 180439.59-193623.0
18046-1936 HJ 2817 2010 11 270 13.4 9.92 11.03 G5 180439.59-193623.0

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