20116+5539 STI2511

 
 
20h 11m 33.45s +55 38' 35.6" P.A. 337 sep 13.1 mag 11.86,12.50
 
 
Coord 2000
20116+5539
Discov num
STI2511
Comp
Coord arcsec 2000
20 11 33.45 +55 38 35.6
Date first
1917
Date last
2015
Obs
7
Pa first
334
Pa last
337
P.A. Now (θ)
337°
Sep first
13.1
Sep last
13.1
Sep. Now (ρ)
13.1"
Mag pri
11.86
Mag sec
12.50
delta mag (ΔM)
0.64
Spectral class
Pri motion ra
-005
Sec motion ra
-006
Pri motion dec
-006
Sec motion dec
-005
Notes
rPM=0.181 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
336.5
Precise sep
13.066
Cdsa2 id
STI 2511
Constellation
Cygnus
Ra deg
20.192625
De deg
55.64322222222222
last precise pa
336.5
last precise sep
13.066
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20116+5539 STI2511 1917 2 155 10.9 11.90 11.70 201133.45+553835.6
20116+5539 STI2511 2003 4 336 13.1 11.86 12.50 201133.45+553835.6
20116+5539 STI2511 2015 6 337 13.1 11.86 12.50 201133.45+553835.6

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