17536+2307 HJ 2813

 
 
17h 53m 37.61s +23 07' 16.2" P.A. 223 sep 21.3 mag 9.03,11.25 Sp K2 dist. 315.46 pc (1029.03 l.y.)
 
 
Coord 2000
17536+2307
Discov num
HJ 2813
Comp
Coord arcsec 2000
17 53 37.61 +23 07 16.2
Date first
1892
Date last
2013
Obs
8
Pa first
223
Pa last
223
P.A. Now (θ)
223°
Sep first
21.3
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
9.03
Mag sec
11.25
delta mag (ΔM)
2.22
Spectral class
K2 (yellow-orange)
Pri motion ra
-003
Sec motion ra
-018
Pri motion dec
-014
Sec motion dec
+032
Notes
rPM=1.318
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
222.8
Precise sep
21.28
Constellation
Hercules
SAO
85518
HIP
87597
Tycho2
2090-02839-1
BD
BD+23 3207
Distance
315.46
Distance ly
1029.03
last precise pa
222.8
last precise sep
21.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17536+2307 HJ 2813 1999 6 223 21.4 9.03 11.76 K2 D 175337.61+230716.2
17536+2307 HJ 2813 2001 7 223 21.4 9.03 11.76 K2 D 175337.61+230716.2
17536+2307 HJ 2813 2013 7 223 21.3 9.03 11.25 K2 175337.61+230716.2

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