20202-2750 SEE 416AB

 
 
20h 20m 11.70s -27 50' 17.8" P.A. 248 sep 1.1 mag 9.95,10.08 Sp G1V dist. 469.48 pc (1531.44 l.y.)
 
 
Coord 2000
20202-2750
Discov num
SEE 416
Comp
AB
Coord arcsec 2000
20 20 11.70 -27 50 17.8
Date first
1897
Date last
1991
Obs
15
Pa first
243
Pa last
248
P.A. Now (θ)
248°
Sep first
1.0
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
9.95
Mag sec
10.08
delta mag (ΔM)
0.13
Spectral class
G1V (yellow)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
-033
Sec motion dec
-033
Notes
Nature of this double is uncertain.
 
 
20202-2750 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20202-2750 SEE 416 AB 1897 1991 15 248 1.1 9.95 10.08 0.13 <===
Show 20202-2750 SEE 416 AB,C 1897 1999 5 259 25.6 9.95 12.60 2.65
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.1
Precise sep
1.06
Constellation
Sagittarius
SAO
189158
HIP
100263
Tycho2
6914-01496-1
Gaia DR2
13892728704
HD
193243
CD
CD-2816583
Distance
469.48
Distance ly
1531.44
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20202-2750 SEE 416 AB 1991 15 248 1.1 9.95 10.08 G1V D 202011.70-275017.8

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