20251+3304 ES 2353

 
 
20h 25m 00.76s +33 07' 53.4" P.A. 152 sep 1.8 mag 9.87,11.02 Sp M2
 
 
Coord 2000
20251+3304
Discov num
ES 2353
Comp
Coord arcsec 2000
20 25 00.76 +33 07 53.4
Date first
1928
Date last
2015
Obs
6
Pa first
148
Pa last
152
P.A. Now (θ)
152°
Sep first
2.5
Sep last
1.8
Sep. Now (ρ)
1.8"
Mag pri
9.87
Mag sec
11.02
delta mag (ΔM)
1.15
Spectral class
M2 (red)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-008
Sec motion dec
-008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
152.4
Precise sep
1.786
Constellation
Cygnus
Tycho2
2689-00565-1
Gaia DR2
88358308096
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20251+3304 ES 2353 2003 3 152 1.7 9.87 11.02 202500.76+330753.4
20251+3304 ES 2353 2009 4 152 1.7 9.87 11.02 M2 202500.76+330753.4
20251+3304 ES 2353 2013 5 152 1.8 9.87 11.02 M2 202500.76+330753.4
20251+3304 ES 2353 2015 6 152 1.8 9.87 11.02 M2 202500.76+330753.4

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