20115+3630 SLE 954AD

 
 
20h 11m 27.26s +36 29' 56.8" P.A. 357 sep 22.3 mag 9.30,12.80 Sp B0.5V
 
 
Coord 2000
20115+3630
Discov num
SLE 954
Comp
AD
Coord arcsec 2000
20 11 27.26 +36 29 56.8
Date first
1985
Date last
2015
Obs
8
Pa first
357
Pa last
357
P.A. Now (θ)
357°
Sep first
21.2
Sep last
22.3
Sep. Now (ρ)
22.3"
Mag pri
9.30
Mag sec
12.80
delta mag (ΔM)
3.5
Spectral class
B0.5V (blue-white)
Pri motion ra
-004
Sec motion ra
+001
Pri motion dec
-008
Sec motion dec
-002
Notes
rPM=0.873
This double is not physical.
 
 
20115+3630 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20115+3630 SEI 971 AB 1896 2015 11 14 14.1 9.30 11.60 2.30
Show 20115+3630 SLE 954 AC 1896 2015 9 294 24.1 9.30 11.70 2.40
Show 20115+3630 SLE 954 AD 1985 2015 8 357 22.3 9.30 12.80 3.50 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.1
Precise sep
22.268
Constellation
Cygnus
SAO
69575
Tycho2
2683-01190-1
Gaia DR2
50701393280
HD
228199
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20115+3630 SLE 954 AD 1998 2 357 22.2 9.30 12.80 B0.5V D 201127.26+362956.8
20115+3630 SLE 954 AD 2002 3 357 22.2 9.30 12.80 B0.5V D 201127.26+362956.8
20115+3630 SLE 954 AD 2015 4 357 22.2 9.30 12.80 B0.5V 201127.26+362956.8

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