20057+3536 SHJ 316AB

 
 
20h 05m 39.80s +35 36' 28.1" P.A. 323 sep 69.6 mag 7.79,8.82 Sp O7IIIe dist. 487.8 pc (1591.2 l.y.)
 
 
Coord 2000
20057+3536
Discov num
SHJ 316
Comp
AB
Coord arcsec 2000
20 05 39.80 +35 36 28.1
Date first
1876
Date last
2015
Obs
26
Pa first
324
Pa last
323
P.A. Now (θ)
323°
Sep first
69.4
Sep last
69.6
Sep. Now (ρ)
69.6"
Mag pri
7.79
Mag sec
8.82
delta mag (ΔM)
1.03
Spectral class
O7IIIe (blue)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-007
Sec motion dec
-007
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20057+3536 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69391 20057+3536 SHJ 316 AB 1876 2015 26 323 69.6 7.79 8.82 1.03 <===
Show 69391 20057+3536 ES 24 BC 1900 2015 6 242 11.0 8.82 13.80 4.98
Show 69391 20057+3536 ES 24 BD 1900 2015 9 84 17.0 8.82 13.11 4.29
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
322.9
Precise sep
69.566
Constellation
Cygnus
SAO
69391
HIP
98976
Tycho2
2678-00109-1
Gaia DR2
2059070135632404992
HD
190864
BD
BD+35 3949
Distance
487.8
Distance ly
1591.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20057+3536 SHJ 316 AB 2002 23 323 69.5 7.79 8.82 O7IIIe D 200539.80+353628.1
20057+3536 SHJ 316 AB 2009 24 323 69.6 7.79 8.82 O7IIIe D 200539.80+353628.1
20057+3536 SHJ 316 AB 2012 25 323 69.6 7.79 8.82 O7IIIe N D 200539.80+353628.1
20057+3536 SHJ 316 AB 2015 26 323 69.6 7.79 8.82 O7IIIe N 200539.80+353628.1

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