20189+1524 CHE 302

 
 
20h 18m 55.36s +15 23' 40.4" P.A. 129 sep 23.7 mag 9.56,10.50 Sp K5
 
 
Coord 2000
20189+1524
Discov num
CHE 302
Comp
Coord arcsec 2000
20 18 55.36 +15 23 40.4
Date first
1910
Date last
2015
Obs
12
Pa first
130
Pa last
129
P.A. Now (θ)
129°
Sep first
24.8
Sep last
23.7
Sep. Now (ρ)
23.7"
Mag pri
9.56
Mag sec
10.50
delta mag (ΔM)
0.94
Spectral class
K5 (yellow-orange)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-005
Sec motion dec
+003
Notes
rPM=1.259
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.8
Precise sep
23.745
Constellation
Delphinus
Tycho2
1631-00197-1
Gaia DR2
11930408960
HD
355387
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20189+1524 CHE 302 1998 3 129 24.1 9.56 10.50 D 201855.36+152340.4
20189+1524 CHE 302 2008 4 128 23.7 9.56 10.50 D 201855.36+152340.4
20189+1524 CHE 302 2013 7 130 23.5 9.56 10.50 201855.36+152340.4
20189+1524 CHE 302 2015 9 129 23.7 9.56 10.50 K5 201855.36+152340.4

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