20336+2111 HJ 2979AC

 
 
20h 33m 38.98s +21 10' 27.7" P.A. 354 sep 18.9 mag 10.35,12.40
 
 
Coord 2000
20336+2111
Discov num
HJ 2979
Comp
AC
Coord arcsec 2000
20 33 38.98 +21 10 27.7
Date first
1916
Date last
2015
Obs
11
Pa first
0
Pa last
354
P.A. Now (θ)
354°
Sep first
19.9
Sep last
18.9
Sep. Now (ρ)
18.9"
Mag pri
10.35
Mag sec
12.40
delta mag (ΔM)
2.05
Spectral class
Pri motion ra
+004
Sec motion ra
-023
Pri motion dec
+001
Sec motion dec
+006
Notes
rPM=1.155
This double is not physical.
 
 
20336+2111 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20336+2111 HJ 2979 AB 1831 2015 13 63 10.4 10.35 11.30 0.95
Show 20336+2111 HJ 2979 AC 1916 2015 11 354 18.9 10.35 12.40 2.05 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
353.9
Precise sep
18.916
Constellation
Vulpecula
SAO
88837
Tycho2
1645-01879-1
Gaia DR2
36029392000
HD
346964
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20336+2111 HJ 2979 AC 2000 3 355 19.1 10.35 12.40 D 203338.98+211027.7
20336+2111 HJ 2979 AC 2011 4 354 19.0 10.35 12.40 D 203338.98+211027.7
20336+2111 HJ 2979 AC 2013 6 356 18.7 10.35 12.40 203338.98+211027.7
20336+2111 HJ 2979 AC 2015 7 354 18.9 10.35 12.40 203338.98+211027.7

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