18143-4309 SHY 740

 
 
18h 14m 19.50s -43 09' 15.4" P.A. 345 sep 999.9 mag 7.81,8.08 Sp F2V+F2/3 dist. 99.11 pc (323.3 l.y.)
 
 
Coord 2000
18143-4309
Discov num
SHY 740
Comp
Coord arcsec 2000
18 14 19.50 -43 09 15.4
Date first
1991
Date last
1999
Obs
4
Pa first
345
Pa last
345
P.A. Now (θ)
345°
Sep first
999.9
Sep last
999.9
Sep. Now (ρ)
999.9"
Mag pri
7.81
Mag sec
8.08
delta mag (ΔM)
0.27
Spectral class
F2V+F2/3 (yellow-white/yellow-white)
Pri motion ra
-002
Sec motion ra
-005
Pri motion dec
-052
Sec motion dec
-049
Notes
N V (See Notes, Proper motion indicates physical)
rPM=0.082 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
344.6
Precise sep
3233.46
Cdsa2 id
SHY 740
Constellation
Corona Austrina
SAO
228832
HIP
89373
Tycho2
7912-00653-1
HD
166793
CD
CD-4312374
CP
CP-43 8507
Ra deg
18.23875
De deg
-43.15427777777778
Distance
99.11
Distance ly
323.3
last precise pa
344.6
last precise sep
3233.46
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18143-4309 SHY 740 1999 3 345 999.9 7.81 8.08 F2V F2/3 NVD 181419.50-430915.4

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