00307-1545 HJ 1979

 
 
00h 30m 44.31s -15 44' 31.2" P.A. 66 sep 7.3 mag 10.50,11.30 Sp F5
 
 
Coord 2000
00307-1545
Discov num
HJ 1979
Comp
Coord arcsec 2000
00 30 44.31 -15 44 31.2
Date first
1830
Date last
2016
Obs
12
Pa first
72
Pa last
66
P.A. Now (θ)
66°
Sep first
8.0
Sep last
7.3
Sep. Now (ρ)
7.3"
Mag pri
10.50
Mag sec
11.30
delta mag (ΔM)
0.8
Spectral class
F5 (yellow-white)
Pri motion ra
+008
Sec motion ra
+013
Pri motion dec
-023
Sec motion dec
-021
Notes
N (See Notes)
rPM=0.218 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
66.4
Precise sep
7.277
Constellation
Cetus
SAO
147316
Tycho2
5840-00431-1
last precise pa
66.4
last precise sep
7.277
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00307-1545 HJ 1979 2000 8 66 7.2 10.50 11.30 F5 N D 003044.31-154431.2
00307-1545 HJ 1979 2010 11 66 6.8 10.50 11.30 F5 N 003044.31-154431.2
00307-1545 HJ 1979 2016 12 66 7.3 10.50 11.30 F5 N 003044.31-154431.2

If you need more information about this double, apply for a data request form to the WDS.