20089+7715 LDS1928

 
 
20h 08m 55.39s +77 14' 44.9" P.A. 166 sep 5.4 mag 10.26,12.00 Sp K0
 
 
Coord 2000
20089+7715
Discov num
LDS1928
Comp
Coord arcsec 2000
20 08 55.39 +77 14 44.9
Date first
1962
Date last
2015
Obs
8
Pa first
169
Pa last
166
P.A. Now (θ)
166°
Sep first
7.0
Sep last
5.4
Sep. Now (ρ)
5.4"
Mag pri
10.26
Mag sec
12.00
delta mag (ΔM)
1.74
Spectral class
K0 (yellow-orange)
Pri motion ra
-069
Sec motion ra
-046
Pri motion dec
+094
Sec motion dec
-009
Notes
V (Proper motion indicates physical)
rPM=0.905
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
166.2
Precise sep
5.443
Constellation
Cepheus
SAO
9664
Tycho2
4589-02239-1
Gaia DR2
80943385856
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20089+7715 LDS1928 1999 2 166 5.5 10.26 12.00 K0 D 200855.39+771444.9
20089+7715 LDS1928 2004 3 166 5.5 10.26 12.00 K0 D 200855.39+771444.9
20089+7715 LDS1928 2010 4 166 4.7 10.26 12.00 K0 200855.39+771444.9
20089+7715 LDS1928 2015 4 166 5.5 10.26 12.00 K0 V 200855.39+771444.9

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