20316+1442 A  1676

 
 
20h 31m 35.54s +14 42' 27.1" P.A. 99.00 sep 1.9 mag 8.74,14.10 Sp K2
 
 
Coord 2000
20316+1442
Discov num
A  1676
Comp
Coord arcsec 2000
20 31 35.54 +14 42 27.1
Date first
1907
Date last
2015
Obs
4
Pa first
88
Pa last
99
P.A. Now (θ)
99°
Sep first
3.5
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
8.74
Mag sec
14.10
delta mag (ΔM)
5.36
Spectral class
K2 (yellow-orange)
Pri motion ra
+019
Sec motion ra
Pri motion dec
+014
Sec motion dec
Notes
S (Parallax indidates non-physical)
Visually invisible, K-band or other infrared star This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
98.5
Precise sep
1.907
Constellation
Delphinus
SAO
106201
Tycho2
1099-00565-1
Gaia DR2
57657528320
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20316+1442 A 1676 1929 3 91 3.2 8.74 14.10 K2 203135.54+144227.1
20316+1442 A 1676 2015 4 99 1.9 8.74 14.10 K2 S 203135.54+144227.1

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