18497-7300 R   314

 
 
18h 49m 43.67s -72 59' 44.6" P.A. 273 sep 2 mag 6.20,8.08 Sp B9.5IV-V dist. 215.98 pc (704.53 l.y.)
 
 
Coord 2000
18497-7300
Discov num
R   314
Comp
Coord arcsec 2000
18 49 43.67 -72 59 44.6
Date first
1880
Date last
2015
Obs
11
Pa first
260
Pa last
273
P.A. Now (θ)
273°
Sep first
1.0
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
6.20
Mag sec
8.08
delta mag (ΔM)
1.88
Spectral class
B9.5IV-V (blue-white)
Pri motion ra
+017
Sec motion ra
+017
Pri motion dec
-007
Sec motion dec
-007
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
273.3
Precise sep
1.965
Constellation
Pavo
SAO
257630
HIP
92394
Tycho2
9300-02260-1
Gaia DR2
6415333413847155712
HD
172881
HR
7027
CP
CP-73 1939
Distance
215.98
Distance ly
704.53
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18497-7300 R 314 1991 10 271 1.9 6.20 8.08 B9.5IV-V N D 184943.67-725944.6
18497-7300 R 314 2015 11 273 2.0 6.20 8.08 B9.5IV-V N 184943.67-725944.6

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