20410+3047 TDT2470

 
 
20h 40m 58.71s +30 47' 04.6" P.A. 181.00 sep 2.5 mag 11.72,13.28
 
 
Coord 2000
20410+3047
Discov num
TDT2470
Comp
Coord arcsec 2000
20 40 58.71 +30 47 04.6
Date first
1991
Date last
1991
Obs
1
Pa first
181
Pa last
181
P.A. Now (θ)
181°
Sep first
2.5
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
11.72
Mag sec
13.28
delta mag (ΔM)
1.56
Spectral class
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-011
Sec motion dec
-011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.8
Precise sep
2.47
Constellation
Cygnus
Tycho2
2686-00339-1
Gaia DR2
92279679360
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20410+3047 TDT2470 1991 1 181 2.5 11.72 13.28 204058.71+304704.6

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