18535+1619 HEI 263

 
 
18h 53m 27.94s +16 19' 44.1" P.A. 353 sep 6.3 mag 10.61,11.20 Sp G2:
 
 
Coord 2000
18535+1619
Discov num
HEI 263
Comp
Coord arcsec 2000
18 53 27.94 +16 19 44.1
Date first
1896
Date last
2008
Obs
8
Pa first
358
Pa last
353
P.A. Now (θ)
353°
Sep first
6.1
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
10.61
Mag sec
11.20
delta mag (ΔM)
0.59
Spectral class
G2: (yellow)
Pri motion ra
+003
Sec motion ra
-001
Pri motion dec
-008
Sec motion dec
-005
Notes
rPM=0.585
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
352.8
Precise sep
6.27
Constellation
Hercules
Tycho2
1584-02988-2
last precise pa
352.8
last precise sep
6.27
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18535+1619 HEI 263 2007 6 353 6.3 10.61 11.20 D 185327.94+161944.1
18535+1619 HEI 263 2008 7 353 6.3 10.61 11.20 D 185327.94+161944.1

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