20039+2351 COU 520

 
 
20h 03m 55.52s +23 50' 50.2" P.A. 144 sep 1.4 mag 7.44,13.00 Sp K0
 
 
Coord 2000
20039+2351
Discov num
COU 520
Comp
Coord arcsec 2000
20 03 55.52 +23 50 50.2
Date first
1970
Date last
2007
Obs
2
Pa first
150
Pa last
144
P.A. Now (θ)
144°
Sep first
1.2
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
7.44
Mag sec
13.00
delta mag (ΔM)
5.56
Spectral class
K0 (yellow-orange)
Pri motion ra
+028
Sec motion ra
Pri motion dec
+008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.2
Precise sep
1.431
Constellation
Vulpecula
SAO
88139
Tycho2
2141-01513-1
Gaia DR2
00224472704
HD
190384
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20039+2351 COU 520 1970 1 150 1.2 7.44 13.00 K0 200355.52+235050.2
20039+2351 COU 520 2007 2 144 1.4 7.44 13.00 K0 200355.52+235050.2

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