20182+1604 CHE 291

 
 
20h 18m 11.12s +16 03' 45.8" P.A. 275 sep 8.3 mag 9.75,11.50
 
 
Coord 2000
20182+1604
Discov num
CHE 291
Comp
Coord arcsec 2000
20 18 11.12 +16 03 45.8
Date first
1910
Date last
2015
Obs
10
Pa first
268
Pa last
275
P.A. Now (θ)
275°
Sep first
10.1
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
9.75
Mag sec
11.50
delta mag (ΔM)
1.75
Spectral class
Pri motion ra
+004
Sec motion ra
+006
Pri motion dec
-008
Sec motion dec
+004
Notes
rPM=1.36
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
274.6
Precise sep
8.284
Constellation
Delphinus
SAO
105935
Tycho2
1631-00596-1
Gaia DR2
90564260864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20182+1604 CHE 291 2006 3 274 8.4 9.75 11.50 D 201811.12+160345.8
20182+1604 CHE 291 2008 4 274 8.5 9.75 11.50 D 201811.12+160345.8
20182+1604 CHE 291 2015 6 275 8.3 9.75 11.50 201811.12+160345.8

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