20188+2142 A   285

 
 
20h 18m 49.21s +21 41' 32.5" P.A. 302 sep 3.2 mag 9.47,13.00 Sp F0
 
 
Coord 2000
20188+2142
Discov num
A   285
Comp
Coord arcsec 2000
20 18 49.21 +21 41 32.5
Date first
1901
Date last
1986
Obs
8
Pa first
299
Pa last
302
P.A. Now (θ)
302°
Sep first
2.7
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
9.47
Mag sec
13.00
delta mag (ΔM)
3.53
Spectral class
F0 (yellow-white)
Pri motion ra
+016
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
301.7
Precise sep
3.23
Constellation
Vulpecula
SAO
88498
Tycho2
1643-00618-1
Gaia DR2
10019622784
HD
346316
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+2142 A 285 1986 8 302 3.2 9.47 13.00 F0 201849.21+214132.5

If you need more information about this double, apply for a data request form to the WDS.