17449+3752 ES 2016

 
 
17h 44m 52.82s +37 52' 08.2" P.A. 217 sep 4 mag 8.85,13.32 Sp A0 dist. 371.75 pc (1212.65 l.y.)
 
 
Coord 2000
17449+3752
Discov num
ES 2016
Comp
Coord arcsec 2000
17 44 52.82 +37 52 08.2
Date first
1923
Date last
1998
Obs
5
Pa first
217
Pa last
217
P.A. Now (θ)
217°
Sep first
4.0
Sep last
4.0
Sep. Now (ρ)
4"
Mag pri
8.85
Mag sec
13.32
delta mag (ΔM)
4.47
Spectral class
A0 (white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
+005
Sec motion dec
+007
Notes
rPM=0.248 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
216.9
Precise sep
4.03
Constellation
Hercules
SAO
66302
HIP
86865
Tycho2
3088-01416-1
HD
161601
BD
BD+37 2940
Distance
371.75
Distance ly
1212.65
last precise pa
216.9
last precise sep
4.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17449+3752 ES 2016 1998 5 217 4.0 8.85 13.32 A0 D 174452.82+375208.2

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