16139+6420 MLR 138

 
 
16h 13m 56.71s +64 20' 11.2" P.A. 319 sep 2.6 mag 10.39,10.64 Sp F8
 
 
Coord 2000
16139+6420
Discov num
MLR 138
Comp
Coord arcsec 2000
16 13 56.71 +64 20 11.2
Date first
1971
Date last
2016
Obs
9
Pa first
316
Pa last
319
P.A. Now (θ)
319°
Sep first
2.0
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.39
Mag sec
10.64
delta mag (ΔM)
0.25
Spectral class
F8 (yellow-white)
Pri motion ra
+006
Sec motion ra
+006
Pri motion dec
+009
Sec motion dec
+009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
319.1
Precise sep
2.554
Constellation
Draco
SAO
17002
Tycho2
4192-02187-1
last precise pa
319.1
last precise sep
2.554
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16139+6420 MLR 138 1999 7 320 2.5 10.39 10.64 F8 161356.71+642011.2
16139+6420 MLR 138 2016 8 318 2.5 10.39 10.64 F8 161356.71+642011.2

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