20160+1850 J   508

 
 
20h 16m 00.74s +18 50' 02.7" P.A. 146 sep 2.9 mag 11.33,11.50
 
 
Coord 2000
20160+1850
Discov num
J   508
Comp
Coord arcsec 2000
20 16 00.74 +18 50 02.7
Date first
1911
Date last
2015
Obs
11
Pa first
150
Pa last
146
P.A. Now (θ)
146°
Sep first
3.0
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
11.33
Mag sec
11.50
delta mag (ΔM)
0.17
Spectral class
Pri motion ra
+000
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
145.8
Precise sep
2.913
Constellation
Sagitta
Tycho2
1639-00770-1
Gaia DR2
63920046208
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20160+1850 J 508 2007 10 145 2.9 11.33 11.50 201600.74+185002.7
20160+1850 J 508 2015 11 146 2.9 11.33 11.50 201600.74+185002.7

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