20022+3154 SEI 802

 
 
20h 02m 13.53s +31 53' 50.7" P.A. 312 sep 20 mag 10.11,11.90 Sp K2
 
 
Coord 2000
20022+3154
Discov num
SEI 802
Comp
Coord arcsec 2000
20 02 13.53 +31 53 50.7
Date first
1893
Date last
2015
Obs
11
Pa first
316
Pa last
312
P.A. Now (θ)
312°
Sep first
20.1
Sep last
20.0
Sep. Now (ρ)
20"
Mag pri
10.11
Mag sec
11.90
delta mag (ΔM)
1.79
Spectral class
K2 (yellow-orange)
Pri motion ra
+003
Sec motion ra
-007
Pri motion dec
+009
Sec motion dec
-004
Notes
rPM=1.729
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.1
Precise sep
20.021
Constellation
Cygnus
Tycho2
2674-01360-1
Gaia DR2
49691957888
HD
331689
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20022+3154 SEI 802 1998 4 313 20.0 10.11 11.90 K2 D 200213.53+315350.7
20022+3154 SEI 802 2002 5 313 20.0 10.11 11.90 K2 D 200213.53+315350.7
20022+3154 SEI 802 2015 6 312 20.0 10.11 11.90 K2 200213.53+315350.7

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