20387+0156 J   569

 
 
20h 38m 28.23s +01 55' 04.1" P.A. 316.00 sep 3.0 mag 11.03,11.80
 
 
Coord 2000
20387+0156
Discov num
J   569
Comp
Coord arcsec 2000
20 38 28.23 +01 55 04.1
Date first
1911
Date last
2016
Obs
11
Pa first
319
Pa last
316
P.A. Now (θ)
316°
Sep first
3.1
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
11.03
Mag sec
11.80
delta mag (ΔM)
0.77
Spectral class
Pri motion ra
+020
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
316
Precise sep
3.026
Constellation
Aquila
Tycho2
0515-00656-1
Gaia DR2
15332076800
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20387+0156 J 569 2001 7 317 3.1 9.00 9.70 203828.23+015504.1
20387+0156 J 569 2016 10 316 3.0 11.03 11.80 203828.23+015504.1

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