16540-2857 HJ 4895

 
 
16h 53m 57.95s -28 57' 08.1" P.A. 97 sep 23 mag 8.44,10.80 Sp A0V
 
 
Coord 2000
16540-2857
Discov num
HJ 4895
Comp
Coord arcsec 2000
16 53 57.95 -28 57 08.1
Date first
1834
Date last
2010
Obs
8
Pa first
95
Pa last
97
P.A. Now (θ)
97°
Sep first
15.0
Sep last
23.0
Sep. Now (ρ)
23"
Mag pri
8.44
Mag sec
10.80
delta mag (ΔM)
2.36
Spectral class
A0V (white)
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
-002
Notes
rPM=0.632
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
97.2
Precise sep
23.01
Constellation
Ophiuchus
SAO
184760
Tycho2
6822-02661-1
HD
152346
last precise pa
97.2
last precise sep
23.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16540-2857 HJ 4895 1998 6 97 23.1 8.44 10.80 A0V D 165357.95-285708.1
16540-2857 HJ 4895 1999 7 98 22.8 8.44 10.80 A0V D 165357.95-285708.1
16540-2857 HJ 4895 2010 8 97 23.0 8.44 10.80 A0V 165357.95-285708.1

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