20291+0135 GWP2957AC

 
 
20h 29m 08.61s +01 35' 14.8" P.A. 258 sep 172.4 mag 15.60,15.20
 
 
Coord 2000
20291+0135
Discov num
GWP2957
Comp
AC
Coord arcsec 2000
20 29 08.61 +01 35 14.8
Date first
1988
Date last
2015
Obs
4
Pa first
258
Pa last
258
P.A. Now (θ)
258°
Sep first
172.4
Sep last
172.4
Sep. Now (ρ)
172.4"
Mag pri
15.60
Mag sec
15.20
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
-010
Sec motion ra
-016
Pri motion dec
-066
Sec motion dec
-060
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.127 (< 0.3, Physical double)
This double is physical.
 
 
20291+0135 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20291+0135 GWP2956 AB 1988 2015 3 250 16.5 15.60 18.20 2.60
Show 20291+0135 GWP2957 AC 1988 2015 4 258 172.4 15.60 15.20 0.40 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
258.4
Precise sep
172.385
Constellation
Aquila
Gaia DR2
65551359232
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20291+0135 GWP2957 AC 2000 2 259 172.3 15.60 15.20 V R 202908.61+013514.8
20291+0135 GWP2957 AC 2015 4 258 172.4 15.60 15.20 V R 202908.61+013514.8

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