20333+4119 HJ 1539AB

 
 
20h 33m 15.08s +41 18' 50.5" P.A. 203 sep 9.5 mag 9.23,10.80 Sp O6e dist. 255.75 pc (834.26 l.y.)
 
 
Coord 2000
20333+4119
Discov num
HJ 1539
Comp
AB
Coord arcsec 2000
20 33 15.08 +41 18 50.5
Date first
1828
Date last
2015
Obs
17
Pa first
201
Pa last
203
P.A. Now (θ)
203°
Sep first
8.0
Sep last
9.5
Sep. Now (ρ)
9.5"
Mag pri
9.23
Mag sec
10.80
delta mag (ΔM)
1.57
Spectral class
O6e (blue)
Pri motion ra
-001
Sec motion ra
-003
Pri motion dec
-002
Sec motion dec
-005
Notes
rPM=0.618
Nature of this double is uncertain.
 
 
20333+4119 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20333+4119 HER 4 Aa,Ab 1961 1961 1 200 0.9 8.98 14.00 5.02
Show 20333+4119 HER 4 Aa,Ac 1961 1961 1 350 4.0 8.98 14.00 5.02
Show 20333+4119 HJ 1539 AB 1828 2015 17 203 9.5 9.23 10.80 1.57 <===
Show 20333+4119 ARN 77 AC 1893 2015 11 121 38.0 9.23 10.14 0.91
Show 20333+4119 HJ 1539 AD 1828 2015 9 51 18.2 9.23 11.80 2.57
Show 20333+4119 ARN 77 BC 1892 2015 14 106 37.8 10.80 10.14 0.66
Show 20333+4119 MZA 29 CE 1998 2015 8 185 10.2 10.14 15.40 5.26
Septuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
202.5
Precise sep
9.453
Constellation
Cygnus
SAO
49781
HIP
101425
Tycho2
3161-01325-1
Gaia DR2
24247057920
BD
BD+40 4227
Distance
255.75
Distance ly
834.26
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20333+4119 HJ 1539 AB 2004 12 203 9.4 9.23 10.80 O6e D 203315.08+411850.5
20333+4119 HJ 1539 AB 2009 13 202 9.5 9.23 10.80 O6e D 203315.08+411850.5
20333+4119 HJ 1539 AB 2014 16 202 9.4 9.23 10.80 O6e 203315.08+411850.5
20333+4119 HJ 1539 AB 2015 17 203 9.5 9.23 10.80 O6e 203315.08+411850.5

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