10073+1646 WRH  18 (Chort)

 
 
10h 07m 19.95s +16 45' 45.6" P.A. 309 sep 0.1 mag 3.49,8.40 Sp A0Ib dist. 389.11 pc (1269.28 l.y.)
 
 
Coord 2000
10073+1646
Discov num
WRH  18
Comp
Coord arcsec 2000
10 07 19.95 +16 45 45.6
Date first
1937
Date last
1993
Obs
6
Pa first
84
Pa last
309
P.A. Now (θ)
309°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
3.49
Mag sec
8.40
delta mag (ΔM)
4.91
Spectral class
A0Ib (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.4
Precise sep
0.056
Common name
Chort
Meaning
rib side
Other names
COXA, CHERTAN
Cdsa2 id
WRH 18
Constellation
Leo
SAO
98955
HIP
49583
HD
87737
HR
3975
GC
13899
BD
BD+17 2171
Bayer
Eta Leonis
Bayer name
Eta Leo
Flamsteed
30 Leonis
Flamsteed name
30 Leo
Ra deg
10.122208333333333
De deg
16.762666666666668
Distance
389.11
Distance ly
1269.28
last precise pa
309.4
last precise sep
0.056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10073+1646 WRH 18 1993 6 309 0.1 3.49 8.40 A0Ib N D 100719.95+164545.6

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