18495+3316 STF2407

 
 
18h 49m 32.32s +33 15' 55.0" P.A. 208 sep 30 mag 8.98,11.40 Sp K2
 
 
Coord 2000
18495+3316
Discov num
STF2407
Comp
Coord arcsec 2000
18 49 32.32 +33 15 55.0
Date first
1903
Date last
2016
Obs
8
Pa first
207
Pa last
208
P.A. Now (θ)
208°
Sep first
27.8
Sep last
30.0
Sep. Now (ρ)
30"
Mag pri
8.98
Mag sec
11.40
delta mag (ΔM)
2.42
Spectral class
K2 (yellow-orange)
Pri motion ra
+012
Sec motion ra
-005
Pri motion dec
+013
Sec motion dec
-002
Notes
rPM=1.281
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
207.6
Precise sep
29.978
Constellation
Lyra
SAO
67433
Tycho2
2642-00400-1
last precise pa
207.6
last precise sep
29.978
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18495+3316 STF2407 2002 5 207 29.7 8.98 11.40 K2 D 184932.32+331555.0
18495+3316 STF2407 2010 7 208 29.7 8.98 11.40 K2 184932.32+331555.0
18495+3316 STF2407 2016 8 208 30.0 8.98 11.40 K2 184932.32+331555.0

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