17118+4036 DAM 978

 
 
17h 11m 46.23s +40 36' 06.7" P.A. 221 sep 4.7 mag 11.40,13.80
 
 
Coord 2000
17118+4036
Discov num
DAM 978
Comp
Coord arcsec 2000
17 11 46.23 +40 36 06.7
Date first
1998
Date last
2004
Obs
4
Pa first
222
Pa last
221
P.A. Now (θ)
221°
Sep first
4.8
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
11.40
Mag sec
13.80
delta mag (ΔM)
2.4
Spectral class
Pri motion ra
-022
Sec motion ra
-026
Pri motion dec
-005
Sec motion dec
-014
Notes
rPM=0.334
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
221.4
Precise sep
4.69
Constellation
Hercules
Tycho2
3077-00899-1
last precise pa
221.4
last precise sep
4.69
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17118+4036 DAM 978 2004 4 221 4.7 11.40 13.80 171146.23+403606.7

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