17013+6935 HEI 244

 
 
17h 01m 18.38s +69 34' 42.8" P.A. 281 sep 2.6 mag 10.60,11.70
 
 
Coord 2000
17013+6935
Discov num
HEI 244
Comp
Coord arcsec 2000
17 01 18.38 +69 34 42.8
Date first
1973
Date last
2004
Obs
6
Pa first
283
Pa last
281
P.A. Now (θ)
281°
Sep first
2.6
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.60
Mag sec
11.70
delta mag (ΔM)
1.1
Spectral class
Pri motion ra
+008
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.3
Precise sep
2.612
Constellation
Draco
Tycho2
4420-01395-1
last precise pa
281.3
last precise sep
2.612
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17013+6935 HEI 244 2002 5 282 2.7 10.60 11.70 170118.38+693442.8
17013+6935 HEI 244 2004 6 281 2.6 10.60 11.70 170118.38+693442.8

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