20246+0104 STF2677AC

 
 
20h 24m 37.50s +01 04' 06.2" P.A. 13.00 sep 16.2 mag 6.15,13.10 Sp B9V dist. 247.52 pc (807.41 l.y.)
 
 
Coord 2000
20246+0104
Discov num
STF2677
Comp
AC
Coord arcsec 2000
20 24 37.50 +01 04 06.2
Date first
1946
Date last
2015
Obs
5
Pa first
15
Pa last
13
P.A. Now (θ)
13°
Sep first
17.2
Sep last
16.2
Sep. Now (ρ)
16.2"
Mag pri
6.15
Mag sec
13.10
delta mag (ΔM)
6.95
Spectral class
B9V (blue-white)
Pri motion ra
+008
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20246+0104 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 125769 20246+0104 STF2677 AB 1827 2015 21 30 31.2 6.13 10.83 4.70
Show 125769 20246+0104 STF2677 AC 1946 2015 5 13 16.2 6.15 13.10 6.95 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.9
Precise sep
16.232
Constellation
Aquila
SAO
125769
HIP
100664
Tycho2
0497-01222-1
Gaia DR2
92445915008
HD
194244
HR
7803
BD
BD+00 4495
Distance
247.52
Distance ly
807.41
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20246+0104 STF2677 AC 2000 3 13 16.4 6.15 13.10 B9V D 202437.50+010406.2
20246+0104 STF2677 AC 2015 5 13 16.2 6.15 13.10 B9V N 202437.50+010406.2

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