20175+5646 STI2517

 
 
20h 17m 32.99s +56 45' 23.2" P.A. 151 sep 16.2 mag 11.80,12.47
 
 
Coord 2000
20175+5646
Discov num
STI2517
Comp
Coord arcsec 2000
20 17 32.99 +56 45 23.2
Date first
1898
Date last
2010
Obs
5
Pa first
153
Pa last
151
P.A. Now (θ)
151°
Sep first
14.9
Sep last
16.2
Sep. Now (ρ)
16.2"
Mag pri
11.80
Mag sec
12.47
delta mag (ΔM)
0.67
Spectral class
Pri motion ra
-002
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
+003
Notes
rPM=1.581
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
150.7
Precise sep
16.15
Cdsa2 id
STI 2517
Constellation
Cygnus
Ra deg
20.292497222222224
De deg
56.75644444444445
last precise pa
150.7
last precise sep
16.15
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20175+5646 STI2517 1917 2 153 15.9 12.47 12.50 201733.94+564509.0
20175+5646 STI2517 2003 4 151 16.1 11.80 12.47 201732.99+564523.2
20175+5646 STI2517 2010 5 151 16.1 11.80 12.47 201732.99+564523.2

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