20119+6431 STF2660

 
 
20h 11m 55.09s +64 30' 31.8" P.A. 166.00 sep 22.3 mag 8.71,9.32 Sp F0
 
 
Coord 2000
20119+6431
Discov num
STF2660
Comp
Coord arcsec 2000
20 11 55.09 +64 30 31.8
Date first
1831
Date last
2015
Obs
28
Pa first
168
Pa last
166
P.A. Now (θ)
166°
Sep first
22.0
Sep last
22.3
Sep. Now (ρ)
22.3"
Mag pri
8.71
Mag sec
9.32
delta mag (ΔM)
0.61
Spectral class
F0 (yellow-white)
Pri motion ra
+014
Sec motion ra
+014
Pri motion dec
+036
Sec motion dec
+034
Notes
N V (See Notes, Proper motion indicates physical)
Visually invisible, K-band or other infrared star rPM=0.052 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
165.8
Precise sep
22.331
Constellation
Draco
SAO
18756
Tycho2
4240-00719-1
Gaia DR2
19379364480
HD
192618
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20119+6431 STF2660 1999 20 166 22.3 8.71 9.32 F0 N D 201155.09+643031.8
20119+6431 STF2660 2010 21 166 22.4 8.71 9.32 F0 N D 201155.09+643031.8
20119+6431 STF2660 2015 24 166 22.3 8.71 9.32 F0 N 201155.09+643031.8

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