20047+0555 HEI 577

 
 
20h 04m 42.89s +05 55' 14.8" P.A. 178 sep 2.5 mag 11.60,12.40
 
 
Coord 2000
20047+0555
Discov num
HEI 577
Comp
Coord arcsec 2000
20 04 42.89 +05 55 14.8
Date first
1988
Date last
2000
Obs
2
Pa first
181
Pa last
178
P.A. Now (θ)
178°
Sep first
2.4
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
11.60
Mag sec
12.40
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-004
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
178.3
Precise sep
2.479
Constellation
Aquila
Gaia DR2
87163386112
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20047+0555 HEI 577 1988 1 181 2.4 11.60 12.40 200408.57+055500.0
20047+0555 HEI 577 2000 2 178 2.4 11.60 12.40 200442.89+055514.8

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