20189+4522 ARG  37

 
 
20h 18m 51.42s +45 21' 32.5" P.A. 194 sep 14.1 mag 9.60,12.40 Sp F5
 
 
Coord 2000
20189+4522
Discov num
ARG  37
Comp
Coord arcsec 2000
20 18 51.42 +45 21 32.5
Date first
1905
Date last
2018
Obs
11
Pa first
195
Pa last
194
P.A. Now (θ)
194°
Sep first
15.5
Sep last
14.1
Sep. Now (ρ)
14.1"
Mag pri
9.60
Mag sec
12.40
delta mag (ΔM)
2.8
Spectral class
F5 (yellow-white)
Pri motion ra
-008
Sec motion ra
-021
Pri motion dec
-012
Sec motion dec
-001
Notes
rPM=0.81
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
193.9
Precise sep
14.138
Constellation
Cygnus
SAO
49461
Tycho2
3572-00216-1
Gaia DR2
36363279104
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20189+4522 ARG 37 2000 3 194 14.6 9.60 12.40 F5 D 201851.42+452132.5
20189+4522 ARG 37 2003 4 194 14.6 9.60 12.40 F5 D 201851.42+452132.5
20189+4522 ARG 37 2010 5 195 14.5 9.60 12.40 F5 201851.42+452132.5
20189+4522 ARG 37 2015 6 194 14.5 9.60 12.40 F5 201851.42+452132.5
20189+4522 ARG 37 2018 7 194 14.1 9.60 12.40 F5 201851.42+452132.5

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