18242-3423 SEE 351AB (Eps Sgr)

 
 
18h 24m 10.33s -34 23' 04.6" P.A. 313 sep 38.6 mag 1.85,14.30 Sp B9.5III dist. 43.94 pc (143.33 l.y.)
 
 
Coord 2000
18242-3423
Discov num
SEE 351
Comp
AB
Coord arcsec 2000
18 24 10.33 -34 23 04.6
Date first
1896
Date last
1999
Obs
4
Pa first
295
Pa last
313
P.A. Now (θ)
313°
Sep first
32.5
Sep last
38.6
Sep. Now (ρ)
38.6"
Mag pri
1.85
Mag sec
14.30
delta mag (ΔM)
12.45
Spectral class
B9.5III (blue-white)
Pri motion ra
-039
Sec motion ra
Pri motion dec
-124
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18242-3423 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eps Sgr 210091 18242-3423 SEE 351 AB 1896 1999 4 313 38.6 1.85 14.30 12.45 <===
Show 210091 18242-3423 GOL 2 AC 1992 1999 2 142 2.4 1.85 8.40 6.55
Show 210091 18242-3423 TOK 617 AD 1980 1999 4 36 857.7 1.85 9.03 7.18
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
313.2
Precise sep
38.576
Name
Eps Sgr
Constellation
Sagittarius
SAO
210091
HIP
90185
HD
169022
HR
6879
GC
25100
CD
CD-3412784
Bayer
Epsilon Sagittarii
Bayer name
Eps Sgr
Flamsteed
20 Sagittarii
Flamsteed name
20 Sgr
Distance
43.94
Distance ly
143.33
last precise pa
313.2
last precise sep
38.576
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18242-3423 SEE 351 AB 1998 3 314 39.4 1.85 14.30 B9.5III N D 182410.33-342304.6
18242-3423 SEE 351 AB 1999 4 313 38.6 1.85 14.30 B9.5III NUD 182410.33-342304.6

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