20318+3517 SEI1152

 
 
20h 31m 50.32s +35 16' 42.2" P.A. 316 sep 25.3 mag 8.75,10.95 Sp K0
 
 
Coord 2000
20318+3517
Discov num
SEI1152
Comp
Coord arcsec 2000
20 31 50.32 +35 16 42.2
Date first
1896
Date last
2015
Obs
16
Pa first
317
Pa last
316
P.A. Now (θ)
316°
Sep first
26.2
Sep last
25.3
Sep. Now (ρ)
25.3"
Mag pri
8.75
Mag sec
10.95
delta mag (ΔM)
2.2
Spectral class
K0 (yellow-orange)
Pri motion ra
+007
Sec motion ra
+007
Pri motion dec
-013
Sec motion dec
-022
Notes
rPM=0.39
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
315.9
Precise sep
25.335
Constellation
Cygnus
SAO
70157
Tycho2
2693-01532-1
Gaia DR2
92845978752
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20318+3517 SEI1152 1999 8 316 25.4 8.75 10.95 K0 D 203150.32+351642.2
20318+3517 SEI1152 2002 9 316 25.5 8.75 10.95 K0 D 203150.32+351642.2
20318+3517 SEI1152 2013 10 316 25.0 8.75 10.95 K0 203150.32+351642.2
20318+3517 SEI1152 2015 12 316 25.3 8.75 10.95 K0 203150.32+351642.2

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