20235+3618 ES 2191

 
 
20h 23m 32.59s +36° 18' 37.1" P.A. 181.00 sep 1.9 mag 9.55,12.20 Sp F2III
 
 
Coord 2000
20235+3618
Discov num
ES 2191
Comp
Coord arcsec 2000
20 23 32.59 +36 18 37.1
Date first
1925
Date last
2009
Obs
2
Pa first
179
Pa last
181
P.A. Now (θ)
181°
Sep first
2.2
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
9.55
Mag sec
12.20
delta mag (ΔM)
2.65
Spectral class
F2III (yellow-white)
Pri motion ra
-010
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181
Precise sep
1.89
Constellation
Cygnus
Tycho2
2684-00180-1
Gaia DR2
2057299028535620224
HD
229203
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20235+3618 ES 2191 1925 1 179 2.2 9.55 12.20 202332.59+361837.1
20235+3618 ES 2191 2009 2 181 1.9 9.55 12.20 F2III 202332.59+361837.1

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