20031+3343 SEI 818

 
 
20h 03m 07.00s +33 43' 01.9" P.A. 207 sep 15.1 mag 9.49,11.81 Sp K5
 
 
Coord 2000
20031+3343
Discov num
SEI 818
Comp
Coord arcsec 2000
20 03 07.00 +33 43 01.9
Date first
1893
Date last
2015
Obs
15
Pa first
207
Pa last
207
P.A. Now (θ)
207°
Sep first
15.1
Sep last
15.1
Sep. Now (ρ)
15.1"
Mag pri
9.49
Mag sec
11.81
delta mag (ΔM)
2.32
Spectral class
K5 (yellow-orange)
Pri motion ra
+001
Sec motion ra
-002
Pri motion dec
-003
Sec motion dec
-005
Notes
rPM=0.67
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
207.3
Precise sep
15.112
Constellation
Cygnus
Tycho2
2674-05784-1
Gaia DR2
16784155648
HD
227334
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20031+3343 SEI 818 1998 8 208 15.1 9.49 11.80 D 200307.00+334301.9
20031+3343 SEI 818 2008 9 207 15.4 9.49 11.80 D 200307.00+334301.9
20031+3343 SEI 818 2015 11 207 15.1 9.49 11.81 K5 200307.00+334301.9

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