14257+2338 BU 1442AB

 
 
14h 25m 43.56s +23 36' 59.9" P.A. 74.00 sep 45.2 mag 9.87,10.21 Sp M1+M1.5 dist. 16.36 pc (53.37 l.y.)
 
 
Coord 2000
14257+2338
Discov num
BU 1442
Comp
AB
Coord arcsec 2000
14 25 43.56 +23 36 59.9
Date first
1881
Date last
2017
Obs
42
Pa first
74
Pa last
74
P.A. Now (θ)
74°
Sep first
45.3
Sep last
45.2
Sep. Now (ρ)
45.2"
Mag pri
9.87
Mag sec
10.21
delta mag (ΔM)
0.34
Spectral class
M1+M1.5 (red/red)
Pri motion ra
+079
Sec motion ra
+080
Pri motion dec
-112
Sec motion dec
-112
Notes
N V P (See Notes, Proper motion indicates physical, 100-year proper motion)
Visually invisible, K-band or other infrared star rPM=0.007 (< 0.3, Physical double)
This double is physical.
 
 
14257+2338 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 83344 14257+2338 BU 1442 AB 1881 2017 42 74 45.2 9.87 10.21 0.34 <===
Show 83344 14257+2338 BU 1442 AC 1880 2017 38 61 75.2 9.87 9.66 0.21
Show 83344 14257+2338 BU 1442 AD 1903 2016 10 285 250.0 9.87 13.06 3.19
Show 83344 14257+2338 STG 6 AE 1895 2016 7 305 424.3 9.87 9.90 0.03
Show 83347 14257+2338 BU 1442 CP 1906 2017 12 182 56.1 9.66 14.66 5.00
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
74.4
Precise sep
45.2
Constellation
Bootes
SAO
83344
HIP
70529
Tycho2
2008-00790-1
GL
Gl 548A
BD
BD+24 2733
Distance
16.36
Distance ly
53.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14257+2338 BU 1442 AB 2006 33 74 45.4 9.87 10.21 M1+M1.5 NYDP 142543.46+233701.5
14257+2338 BU 1442 AB 2012 36 74 45.3 9.87 10.21 M1 M1.5 NYVP 142543.46+233701.5
14257+2338 BU 1442 AB 2015 37 73 45.7 9.87 10.21 M1+M1.5 NVDP 142543.56+233659.9
14257+2338 BU 1442 AB 2016 40 74 45.3 9.87 10.21 M1+M1.5 NV P 142543.56+233659.9
14257+2338 BU 1442 AB 2017 41 74 45.2 9.87 10.21 M1+M1.5 NV P 142543.56+233659.9

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