19374+4619 HJ 1427AB

 
 
19h 37m 25.64s +46 18' 36.8" P.A. 286 sep 8.4 mag 11.60,12.10 Sp A5
 
 
Coord 2000
19374+4619
Discov num
HJ 1427
Comp
AB
Coord arcsec 2000
19 37 25.64 +46 18 36.8
Date first
1828
Date last
2015
Obs
10
Pa first
285
Pa last
286
P.A. Now (θ)
286°
Sep first
4.0
Sep last
8.4
Sep. Now (ρ)
8.4"
Mag pri
11.60
Mag sec
12.10
delta mag (ΔM)
0.5
Spectral class
A5 (white)
Pri motion ra
-005
Sec motion ra
-008
Pri motion dec
-007
Sec motion dec
-007
Notes
R (Red magnitudes)
rPM=0.282 (< 0.3, Physical double)
This double is physical.
 
 
19374+4619 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19374+4619 HJ 1427 AB 1828 2015 10 286 8.4 11.60 12.10 0.50 <===
Show 19374+4619 ES 656 AC 1893 2015 7 292 38.8 11.60 12.20 0.60
Show 19374+4619 ES 656 CD 1908 2011 2 242 2.7 12.20 12.50 0.30
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
285.5
Precise sep
8.4
Constellation
Cygnus
last precise pa
285.5
last precise sep
8.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19374+4619 HJ 1427 AB 1911 5 288 8.8 10.50 10.70 193732.11+461915.1
19374+4619 HJ 1427 AB 2003 8 285 8.3 11.60 12.10 A5 R 193725.64+461836.8
19374+4619 HJ 1427 AB 2015 9 286 8.4 11.60 12.10 A5 R 193725.64+461836.8

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