20159+5109 HU  585

 
 
20h 15m 56.72s +51 08' 29.1" P.A. 49 sep 4.2 mag 9.30,10.50 Sp K7
 
 
Coord 2000
20159+5109
Discov num
HU  585
Comp
Coord arcsec 2000
20 15 56.72 +51 08 29.1
Date first
1899
Date last
2018
Obs
16
Pa first
48
Pa last
49
P.A. Now (θ)
49°
Sep first
5.1
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
9.30
Mag sec
10.50
delta mag (ΔM)
1.2
Spectral class
K7 (yellow-orange)
Pri motion ra
-016
Sec motion ra
+026
Pri motion dec
-013
Sec motion dec
+029
Notes
rPM=1.525
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.8
Precise sep
4.202
Constellation
Cygnus
Tycho2
3584-02167-1
Gaia DR2
76627658368
HD
235148
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20159+5109 HU 585 2003 13 47 4.3 9.30 10.50 201556.72+510829.1
20159+5109 HU 585 2015 15 48 4.2 9.30 10.50 K7 201556.72+510829.1
20159+5109 HU 585 2018 16 49 4.2 9.30 10.50 K7 201556.72+510829.1

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