20137+1609 STF2651AB

 
 
20h 13m 44.90s +16 09' 28.7" P.A. 279 sep 0.9 mag 8.41,8.44 Sp F8 dist. 67.11 pc (218.91 l.y.)
 
 
Coord 2000
20137+1609
Discov num
STF2651
Comp
AB
Coord arcsec 2000
20 13 44.90 +16 09 28.7
Date first
1830
Date last
2018
Obs
89
Pa first
280
Pa last
279
P.A. Now (θ)
279°
Sep first
1.6
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
8.41
Mag sec
8.44
delta mag (ΔM)
0.03
Spectral class
F8 (yellow-white)
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
+001
Sec motion dec
+001
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20137+1609 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20137+1609 STF2651 AB 1830 2018 89 279 0.9 8.41 8.44 0.03 <===
Show 20137+1609 SHY 768 AC 1991 1999 3 84 999.9 8.41 9.18 0.77
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.2
Precise sep
0.899
Constellation
Sagitta
SAO
105861
HIP
99689
Tycho2
1618-00181-1
Gaia DR2
03160200576
HD
192324
BD
BD+15 4097
Distance
67.11
Distance ly
218.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20137+1609 STF2651 AB 2008 98 279 1.0 8.41 8.44 F8 D 201344.90+160928.7
20137+1609 STF2651 AB 2011 99 278 0.9 8.41 8.44 F8 N D 201344.90+160928.7
20137+1609 STF2651 AB 2015 85 282 1.0 8.41 8.44 F8 N 201344.90+160928.7
20137+1609 STF2651 AB 2017 86 280 0.9 8.41 8.44 F8 N 201344.90+160928.7
20137+1609 STF2651 AB 2018 89 279 0.9 8.41 8.44 F8 N 201344.90+160928.7

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