03363-1728 HDS 456 (20 Eri)

 
 
03h 36m 17.39s -17 28' 01.3" P.A. 29 mag 5.48,6.84 Sp B8/B9III dist. 149.25 pc (486.85 l.y.)
 
 
Coord 2000
03363-1728
Discov num
HDS 456
Comp
Coord arcsec 2000
03 36 17.39 -17 28 01.3
Date first
1991
Date last
2016
Obs
15
Pa first
65
Pa last
29
P.A. Now (θ)
29°
Sep first
0.2
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
5.48
Mag sec
6.84
delta mag (ΔM)
1.36
Spectral class
B8/B9III (blue-white)
Pri motion ra
+033
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.1
Precise sep
0.044
Name
20 Eri
Var name
EG Eri
Constellation
Eridanus
SAO
149063
HIP
16803
Tycho2
5874-01098-1
HD
22470
HR
1100
GC
4305
BD
BD-17 699
Flamsteed
20 Eridani
Flamsteed name
20 Eri
Distance
149.25
Distance ly
486.85
last precise pa
29.1
last precise sep
0.044
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
03363-1728 HDS 456 2000 2 97 0.1 5.48 6.84 B8/B9III D 033617.39-172801.3
03363-1728 HDS 456 2007 3 80 0.2 5.48 6.84 B8/B9III D 033617.39-172801.3
03363-1728 HDS 456 2008 4 77 0.2 5.48 6.84 B8/B9III D 033617.39-172801.3
03363-1728 HDS 456 2010 7 73 0.2 5.48 6.84 B8/B9III 033617.39-172801.3
03363-1728 HDS 456 2014 9 58 0.1 5.48 6.84 B8/B9III 033617.39-172801.3
03363-1728 HDS 456 2015 10 50 0.1 5.48 6.84 B8/B9III 033617.39-172801.3
03363-1728 HDS 456 2016 15 29 0.0 5.48 6.84 B8/B9III 033617.39-172801.3

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