20051+3021 ES  497

 
 
20h 05m 08.07s +30 21' 17.2" P.A. 195 sep 5.6 mag 10.15,11.80 Sp F5
 
 
Coord 2000
20051+3021
Discov num
ES  497
Comp
Coord arcsec 2000
20 05 08.07 +30 21 17.2
Date first
1900
Date last
2015
Obs
9
Pa first
194
Pa last
195
P.A. Now (θ)
195°
Sep first
4.7
Sep last
5.6
Sep. Now (ρ)
5.6"
Mag pri
10.15
Mag sec
11.80
delta mag (ΔM)
1.65
Spectral class
F5 (yellow-white)
Pri motion ra
-001
Sec motion ra
-004
Pri motion dec
-004
Sec motion dec
-013
Notes
N (See Notes)
rPM=0.697
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.7
Precise sep
5.565
Constellation
Cygnus
Tycho2
2670-01751-1
Gaia DR2
70664012288
HD
333373
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20051+3021 ES 497 1998 4 194 4.9 10.15 11.80 F5 D 200508.07+302117.2
20051+3021 ES 497 2002 5 196 5.5 10.15 11.80 F5 D 200508.07+302117.2
20051+3021 ES 497 2015 6 195 5.6 10.15 11.80 F5 N 200508.07+302117.2

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