20201+0820 HJ 2949AB

 
 
20h 20m 05.92s +08 18' 32.1" P.A. 302 sep 7.5 mag 11.00,12.00
 
 
Coord 2000
20201+0820
Discov num
HJ 2949
Comp
AB
Coord arcsec 2000
20 20 05.92 +08 18 32.1
Date first
1830
Date last
2015
Obs
8
Pa first
312
Pa last
302
P.A. Now (θ)
302°
Sep first
4.0
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.00
Mag sec
12.00
delta mag (ΔM)
1
Spectral class
Pri motion ra
+007
Sec motion ra
+001
Pri motion dec
-005
Sec motion dec
+016
Notes
rPM=1.362
This double is not physical.
 
 
20201+0820 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20201+0820 HJ 2949 AB 1830 2015 8 302 7.5 11.00 12.00 1.00 <===
Show 20201+0820 DAM 209 AC 2000 2015 7 224 12.7 11.00 13.60 2.60
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
302.2
Precise sep
7.45
Constellation
Aquila
Gaia DR2
73371565056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20201+0820 HJ 2949 AB 2000 3 303 7.4 11.00 12.00 D 202005.92+081832.1
20201+0820 HJ 2949 AB 2015 4 302 7.5 11.00 12.00 202005.92+081832.1

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