17097+3119 DAM 921

 
 
17h 09m 44.63s +31 18' 37.0" P.A. 26 sep 7.1 mag 15.10,17.20
 
 
Coord 2000
17097+3119
Discov num
DAM 921
Comp
Coord arcsec 2000
17 09 44.63 +31 18 37.0
Date first
1998
Date last
2010
Obs
5
Pa first
26
Pa last
26
P.A. Now (θ)
26°
Sep first
7.4
Sep last
7.1
Sep. Now (ρ)
7.1"
Mag pri
15.10
Mag sec
17.20
delta mag (ΔM)
2.1
Spectral class
Pri motion ra
-105
Sec motion ra
-126
Pri motion dec
-015
Sec motion dec
-031
Notes
V (Proper motion indicates physical)
rPM=0.203 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
26.3
Precise sep
7.13
Cdsa2 id
DAM 921
Constellation
Hercules
Ra deg
17.16239722222222
De deg
31.310277777777777
last precise pa
26.3
last precise sep
7.13
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17097+3119 DAM 921 2010 4 26 7.1 15.10 17.20 V 170944.63+311837.0

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