18337-3648 JSP 777

 
 
18h 33m 39.76s -36 48' 20.2" P.A. 286 sep 11.2 mag 7.97,15.20 Sp B5III dist. 540.54 pc (1763.24 l.y.)
 
 
Coord 2000
18337-3648
Discov num
JSP 777
Comp
Coord arcsec 2000
18 33 39.76 -36 48 20.2
Date first
1929
Date last
2010
Obs
6
Pa first
283
Pa last
286
P.A. Now (θ)
286°
Sep first
11.7
Sep last
11.2
Sep. Now (ρ)
11.2"
Mag pri
7.97
Mag sec
15.20
delta mag (ΔM)
7.23
Spectral class
B5III (blue-white)
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-009
Sec motion dec
-010
Notes
rPM=0.192 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
286
Precise sep
11.19
Constellation
Sagittarius
SAO
210304
HIP
90992
Tycho2
7406-00665-1
HD
170943
CD
CD-3612786
Distance
540.54
Distance ly
1763.24
last precise pa
286
last precise sep
11.19
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18337-3648 JSP 777 1929 2 284 11.7 8.00 15.20 B5III 183339.76-364820.2
18337-3648 JSP 777 2000 3 286 11.2 8.00 15.20 B5III 183339.76-364820.2
18337-3648 JSP 777 2010 6 287 11.1 7.97 15.20 B5III 183339.76-364820.2

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