15356-7454 HJ 4770

 
 
15h 35m 33.87s -74 53' 59.1" P.A. 215.00 sep 8.0 mag 10.10,10.46 Sp A2V+A2V
 
 
Coord 2000
15356-7454
Discov num
HJ 4770
Comp
Coord arcsec 2000
15 35 33.87 -74 53 59.1
Date first
1835
Date last
2016
Obs
15
Pa first
206
Pa last
215
P.A. Now (θ)
215°
Sep first
7.0
Sep last
8.0
Sep. Now (ρ)
8"
Mag pri
10.10
Mag sec
10.46
delta mag (ΔM)
0.36
Spectral class
A2V+A2V (white/white)
Pri motion ra
-001
Sec motion ra
-001
Pri motion dec
+000
Sec motion dec
+000
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
214.7
Precise sep
7.986
Constellation
Apus
Tycho2
9271-02154-1
Gaia DR2
5793907893006777728
HD
137969
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15356-7454 HJ 4770 2000 11 215 8.0 10.10 10.46 A2V A2V N D 153533.87-745359.1
15356-7454 HJ 4770 2015 14 215 8.0 10.10 10.46 A2V+A2V N 153533.87-745359.1

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