17552+2557 TDT 570

 
 
17h 55m 14.17s +25 56' 37.3" P.A. 28 sep 2.7 mag 11.66,12.71
 
 
Coord 2000
17552+2557
Discov num
TDT 570
Comp
Coord arcsec 2000
17 55 14.17 +25 56 37.3
Date first
1991
Date last
1991
Obs
1
Pa first
28
Pa last
28
P.A. Now (θ)
28°
Sep first
2.7
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.66
Mag sec
12.71
delta mag (ΔM)
1.05
Spectral class
Pri motion ra
-003
Sec motion ra
-003
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
28.1
Precise sep
2.74
Constellation
Hercules
Tycho2
2094-00061-1
last precise pa
28.1
last precise sep
2.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17552+2557 TDT 570 1991 1 28 2.7 11.66 12.71 175514.17+255637.3

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