16181+2551 STF2035

 
 
16h 18m 09.39s +25 51' 41.2" P.A. 35 sep 2.6 mag 9.71,10.90 Sp F5
 
 
Coord 2000
16181+2551
Discov num
STF2035
Comp
Coord arcsec 2000
16 18 09.39 +25 51 41.2
Date first
1831
Date last
2013
Obs
19
Pa first
34
Pa last
35
P.A. Now (θ)
35°
Sep first
2.7
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
9.71
Mag sec
10.90
delta mag (ΔM)
1.19
Spectral class
F5 (yellow-white)
Pri motion ra
+005
Sec motion ra
+004
Pri motion dec
-022
Sec motion dec
-017
Notes
rPM=0.226 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
35.2
Precise sep
2.59
Constellation
Hercules
SAO
84292
Tycho2
2046-00907-1
last precise pa
35.2
last precise sep
2.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16181+2551 STF2035 2000 17 36 2.5 9.71 10.90 F5 161809.39+255141.2
16181+2551 STF2035 2001 18 35 2.5 9.71 10.90 F5 161809.39+255141.2
16181+2551 STF2035 2013 19 35 2.6 9.71 10.90 F5 161809.39+255141.2

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