20090+4045 HJ 1487AB

 
 
20h 09m 03.33s +40 44' 08.1" P.A. 298 sep 14.3 mag 10.60,13.60 Sp M4
 
 
Coord 2000
20090+4045
Discov num
HJ 1487
Comp
AB
Coord arcsec 2000
20 09 03.33 +40 44 08.1
Date first
1828
Date last
2015
Obs
9
Pa first
290
Pa last
298
P.A. Now (θ)
298°
Sep first
6.0
Sep last
14.3
Sep. Now (ρ)
14.3"
Mag pri
10.60
Mag sec
13.60
delta mag (ΔM)
3
Spectral class
M4 (red)
Pri motion ra
+001
Sec motion ra
-006
Pri motion dec
-007
Sec motion dec
-001
Notes
rPM=1.304
This double is not physical.
 
 
20090+4045 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20090+4045 HJ 1487 AB 1828 2015 9 298 14.3 10.60 13.60 3.00 <===
Show 20090+4045 OPI9003 AC 1925 2015 11 195 60.1 10.60 11.30 0.70
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.5
Precise sep
14.306
Constellation
Cygnus
Tycho2
3154-00367-1
Gaia DR2
99046302720
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20090+4045 HJ 1487 AB 2006 4 298 14.3 10.60 13.60 M4 200903.33+404408.1
20090+4045 HJ 1487 AB 2015 5 298 14.3 10.60 13.60 M4 200903.33+404408.1

If you need more information about this double, apply for a data request form to the WDS.