18048-7257 B  2853

 
 
18h 04m 49.49s -72 57' 07.1" P.A. 12 sep 7 mag 8.04,10.75 Sp A4V dist. 114.16 pc (372.39 l.y.)
 
 
Coord 2000
18048-7257
Discov num
B  2853
Comp
Coord arcsec 2000
18 04 49.49 -72 57 07.1
Date first
1892
Date last
2010
Obs
8
Pa first
21
Pa last
12
P.A. Now (θ)
12°
Sep first
6.9
Sep last
7.0
Sep. Now (ρ)
7"
Mag pri
8.04
Mag sec
10.75
delta mag (ΔM)
2.71
Spectral class
A4V (white)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-058
Sec motion dec
-041
Notes
rPM=0.293 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.2
Precise sep
7.02
Constellation
Apus
SAO
257556
HIP
88547
Tycho2
9298-00807-1
HD
163713
CP
CP-72 2166
Distance
114.16
Distance ly
372.39
last precise pa
12.2
last precise sep
7.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18048-7257 B 2853 2000 6 11 7.0 8.04 10.75 A4V D 180449.49-725707.1
18048-7257 B 2853 2010 8 11 6.3 8.04 10.75 A4V 180449.49-725707.1

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