20188+1442 CHE 300

 
 
20h 18m 48.25s +14 42' 31.0" P.A. 319 sep 40.2 mag 10.92,12.71 Sp A5+A0
 
 
Coord 2000
20188+1442
Discov num
CHE 300
Comp
Coord arcsec 2000
20 18 48.25 +14 42 31.0
Date first
1910
Date last
2016
Obs
16
Pa first
318
Pa last
319
P.A. Now (θ)
319°
Sep first
38.4
Sep last
40.2
Sep. Now (ρ)
40.2"
Mag pri
10.92
Mag sec
12.71
delta mag (ΔM)
1.79
Spectral class
A5+A0 (white/white)
Pri motion ra
+004
Sec motion ra
-001
Pri motion dec
-023
Sec motion dec
-007
Notes
rPM=0.718
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318.8
Precise sep
40.233
Constellation
Delphinus
Tycho2
1086-00297-1
Gaia DR2
00712813184
HD
355408
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+1442 CHE 300 1998 3 319 40.0 9.39 9.93 D 201848.25+144231.0
20188+1442 CHE 300 2008 4 319 40.2 9.39 9.93 D 201848.25+144231.0
20188+1442 CHE 300 2013 7 320 40.1 9.39 9.93 201848.25+144231.0
20188+1442 CHE 300 2016 12 319 40.2 10.92 12.71 A5+A0 201848.25+144231.0

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