20121+0306 HEI 581

 
 
20h 12m 04.92s +03 05' 12.3" P.A. 153 sep 0.4 mag 10.54,11.11
 
 
Coord 2000
20121+0306
Discov num
HEI 581
Comp
Coord arcsec 2000
20 12 04.92 +03 05 12.3
Date first
1989
Date last
1994
Obs
3
Pa first
156
Pa last
153
P.A. Now (θ)
153°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
10.54
Mag sec
11.11
delta mag (ΔM)
0.57
Spectral class
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.1
Precise sep
0.41
Constellation
Aquila
Tycho2
0499-02021-1
Gaia DR2
02265057664
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20121+0306 HEI 581 1994 3 153 0.4 10.54 11.11 201204.92+030512.3

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