19579+6258 HJ 2923AB

 
 
19h 58m 31.96s +63 08' 52.7" P.A. 351 sep 28.5 mag 8.70,13.10 Sp G5
 
 
Coord 2000
19579+6258
Discov num
HJ 2923
Comp
AB
Coord arcsec 2000
19 58 31.96 +63 08 52.7
Date first
1831
Date last
2015
Obs
8
Pa first
348
Pa last
351
P.A. Now (θ)
351°
Sep first
20.0
Sep last
28.5
Sep. Now (ρ)
28.5"
Mag pri
8.70
Mag sec
13.10
delta mag (ΔM)
4.4
Spectral class
G5 (yellow)
Pri motion ra
-004
Sec motion ra
-003
Pri motion dec
-013
Sec motion dec
-015
Notes
N (See Notes)
rPM=0.146 (< 0.3, Physical double)
This double is physical.
 
 
19579+6258 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19579+6258 HJ 2923 AB 1831 2015 8 351 28.5 8.70 13.10 4.40 <===
Show 19579+6258 BU 9035 CD 1905 1999 2 237 47.2 8.43 13.60 5.17
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350.9
Precise sep
28.452
Constellation
Draco
SAO
18628
Tycho2
4235-01866-1
Gaia DR2
74845753344
HD
189878
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19579+6258 HJ 2923 AB 1831 1 168 20.0 8.70 16.90 G N 195753.81+625749.3
19579+6258 HJ 2923 AB 2010 4 349 28.1 8.70 13.10 G5 N 195831.96+630852.7
19579+6258 HJ 2923 AB 2015 8 351 28.5 8.70 13.10 G5 N 195831.96+630852.7

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