17095+2552 DAM 917

 
 
17h 09m 31.23s +25 52' 20.7" P.A. 308 sep 6.2 mag 11.70,12.80
 
 
Coord 2000
17095+2552
Discov num
DAM 917
Comp
Coord arcsec 2000
17 09 31.23 +25 52 20.7
Date first
1907
Date last
2015
Obs
7
Pa first
315
Pa last
308
P.A. Now (θ)
308°
Sep first
6.3
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
11.70
Mag sec
12.80
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+007
Sec motion ra
+003
Pri motion dec
-017
Sec motion dec
-024
Notes
V (Proper motion indicates physical)
rPM=0.333
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.1
Precise sep
6.178
Cdsa2 id
DAM 917
Constellation
Hercules
Ra deg
17.158675
De deg
25.872416666666666
last precise pa
308.1
last precise sep
6.178
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17095+2552 DAM 917 2010 6 306 6.2 11.70 12.80 V 170931.23+255220.7
17095+2552 DAM 917 2015 7 308 6.2 11.70 12.80 V 170931.23+255220.7

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