17545+4938 STF2251

 
 
17h 54m 32.35s +49 38' 00.6" P.A. 21 sep 16 mag 9.11,12.10 Sp K0
 
 
Coord 2000
17545+4938
Discov num
STF2251
Comp
Coord arcsec 2000
17 54 32.35 +49 38 00.6
Date first
1830
Date last
2010
Obs
15
Pa first
33
Pa last
21
P.A. Now (θ)
21°
Sep first
14.4
Sep last
16.0
Sep. Now (ρ)
16"
Mag pri
9.11
Mag sec
12.10
delta mag (ΔM)
2.99
Spectral class
K0 (yellow-orange)
Pri motion ra
+002
Sec motion ra
-007
Pri motion dec
+005
Sec motion dec
+019
Notes
rPM=0.822
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
20.8
Precise sep
16.03
Constellation
Hercules
SAO
47056
Tycho2
3519-00493-1
HD
163619
last precise pa
20.8
last precise sep
16.03
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17545+4938 STF2251 2000 13 21 15.7 9.11 12.10 K0 D 175432.35+493800.6
17545+4938 STF2251 2003 14 21 15.9 9.11 12.10 K0 D 175432.35+493800.6
17545+4938 STF2251 2010 15 21 15.8 9.11 12.10 K0 175432.35+493800.6

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