16139+6420 MLR 138

 
 
16h 13m 56.71s +64 20' 11.2" P.A. 318 sep 2.5 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
2017
Obs
10
Pa first
316
Pa last
318
P.A. Now (θ)
318°
Sep first
2.0
Sep last
2.5
Sep. Now (ρ)
2.5"
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
318.3
Precise sep
2.528
Constellation
Draco
SAO
17002
Tycho2
4192-02187-1
last precise pa
318.3
last precise sep
2.528
 
 
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
16139+6420 MLR 138 2017 10 318 2.5 10.39 10.64 F8 161356.71+642011.2

If you need more information about this double, apply for a data request form to the WDS.