20257+3609 TDT2260

 
 
20h 25m 44.17s +36 08' 31.2" P.A. 3 sep 2.7 mag 11.50,12.41
 
 
Coord 2000
20257+3609
Discov num
TDT2260
Comp
Coord arcsec 2000
20 25 44.17 +36 08 31.2
Date first
1991
Date last
1991
Obs
1
Pa first
3
Pa last
3
P.A. Now (θ)
Sep first
2.7
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.50
Mag sec
12.41
delta mag (ΔM)
0.91
Spectral class
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
-025
Sec motion dec
-025
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.9
Precise sep
2.67
Constellation
Cygnus
Tycho2
2697-00258-1
Gaia DR2
26149093504
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20257+3609 TDT2260 1991 1 3 2.7 11.50 12.41 202544.17+360831.2

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