20168+1543 CHE 266

 
 
20h 16m 49.50s +15 42' 53.9" P.A. 51 sep 36.5 mag 9.57,10.41 Sp K2
 
 
Coord 2000
20168+1543
Discov num
CHE 266
Comp
Coord arcsec 2000
20 16 49.50 +15 42 53.9
Date first
1910
Date last
2015
Obs
13
Pa first
51
Pa last
51
P.A. Now (θ)
51°
Sep first
38.3
Sep last
36.5
Sep. Now (ρ)
36.5"
Mag pri
9.57
Mag sec
10.41
delta mag (ΔM)
0.84
Spectral class
K2 (yellow-orange)
Pri motion ra
+011
Sec motion ra
+003
Pri motion dec
+003
Sec motion dec
-009
Notes
rPM=1.265
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
50.7
Precise sep
36.475
Constellation
Delphinus
Tycho2
1631-00493-1
Gaia DR2
44116423296
HD
355381
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20168+1543 CHE 266 1998 2 51 36.7 9.57 10.41 D 201649.50+154253.9
20168+1543 CHE 266 2008 3 51 36.3 9.57 10.41 D 201649.50+154253.9
20168+1543 CHE 266 2013 7 51 36.4 9.57 10.41 201649.50+154253.9
20168+1543 CHE 266 2015 9 51 36.5 9.57 10.41 K2 201649.50+154253.9

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