20001+1111 HJ 1458

 
 
20h 00m 03.95s +11 10' 55.1" P.A. 312 sep 16.2 mag 9.27,9.43 Sp A9V
 
 
Coord 2000
20001+1111
Discov num
HJ 1458
Comp
Coord arcsec 2000
20 00 03.95 +11 10 55.1
Date first
1828
Date last
2015
Obs
30
Pa first
312
Pa last
312
P.A. Now (θ)
312°
Sep first
20.0
Sep last
16.2
Sep. Now (ρ)
16.2"
Mag pri
9.27
Mag sec
9.43
delta mag (ΔM)
0.16
Spectral class
A9V (white)
Pri motion ra
+014
Sec motion ra
+014
Pri motion dec
-004
Sec motion dec
-003
Notes
N (See Notes)
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.4
Precise sep
16.17
Cdsa2 id
HJ 1458
Constellation
Aquila
Tycho2
1075-03274-1
HD
189508
Ra deg
20.00109722222222
De deg
11.181972222222221
last precise pa
312.4
last precise sep
16.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20001+1111 HJ 1458 2005 24 316 16.4 9.27 9.43 A9V N D 200003.95+111055.1
20001+1111 HJ 1458 2009 25 313 16.3 9.27 9.43 A9V N D 200003.95+111055.1
20001+1111 HJ 1458 2012 28 313 16.4 9.27 9.43 A9V N D 200003.95+111055.1
20001+1111 HJ 1458 2015 30 312 16.2 9.27 9.43 A9V N 200003.95+111055.1

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