18197-3700 RST3172

 
 
18h 19m 40.30s -36 58' 59.0" P.A. 336 sep 3.9 mag 10.40,13.40 Sp F5
 
 
Coord 2000
18197-3700
Discov num
RST3172
Comp
Coord arcsec 2000
18 19 40.30 -36 58 59.0
Date first
1935
Date last
1999
Obs
4
Pa first
336
Pa last
336
P.A. Now (θ)
336°
Sep first
3.5
Sep last
3.9
Sep. Now (ρ)
3.9"
Mag pri
10.40
Mag sec
13.40
delta mag (ΔM)
3
Spectral class
F5 (yellow-white)
Pri motion ra
+012
Sec motion ra
Pri motion dec
-029
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.8
Precise sep
3.85
Constellation
Corona Austrina
Tycho2
7405-00176-1
HD
325226
last precise pa
335.8
last precise sep
3.85
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18197-3700 RST3172 1999 3 336 3.9 10.36 13.40 F5 D 181940.30-365859.0
18197-3700 RST3172 2010 5 339 3.7 10.40 13.40 F5 181940.30-365859.0

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