17422+4900 STF2210

 
 
17h 42m 11.03s +49 00' 09.3" P.A. 121 sep 3.2 mag 8.93,10.63 Sp K0 dist. 337.84 pc (1102.03 l.y.)
 
 
Coord 2000
17422+4900
Discov num
STF2210
Comp
Coord arcsec 2000
17 42 11.03 +49 00 09.3
Date first
1831
Date last
2010
Obs
24
Pa first
122
Pa last
121
P.A. Now (θ)
121°
Sep first
3.0
Sep last
3.2
Sep. Now (ρ)
3.2"
Mag pri
8.93
Mag sec
10.63
delta mag (ΔM)
1.7
Spectral class
K0 (yellow-orange)
Pri motion ra
-018
Sec motion ra
+023
Pri motion dec
+015
Sec motion dec
-011
Notes
rPM=1.904
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.4
Precise sep
3.2
Constellation
Hercules
SAO
46899
HIP
86638
Tycho2
3518-00671-1
HD
161286
BD
BD+49 2680
Distance
337.84
Distance ly
1102.03
last precise pa
121.4
last precise sep
3.2
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17422+4900 STF2210 1998 22 121 3.2 8.93 10.63 K0 174211.03+490009.3
17422+4900 STF2210 2010 23 121 3.1 8.93 10.63 K0 174211.03+490009.3

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