19450+1145 BPM1456AB

19h 44m 59.97s +11 44' 45.4" P.A. 132.00 sep 101.9 mag 15.44,15.82

Coord 2000
19450+1145
Discov num
BPM1456
Comp
AB
Coord arcsec 2000
19 44 59.97 +11 44 45.4
Date first
1992
Date last
2015
Obs
7
Pa first
132
Pa last
132
P.A. Now (θ)
132°
Sep first
101.9
Sep last
101.9
Sep. Now (ρ)
101.9"
Mag pri
15.44
Mag sec
15.82
delta mag (ΔM)
0.38
Spectral class
Pri motion ra
-005
Sec motion ra
-004
Pri motion dec
-015
Sec motion dec
-012
Notes
N V (See Notes, Proper motion indicates physical)


Visually invisible, K-band or other infrared star rPM=0.2 (< 0.3, Physical double)

This double is physical.



19450+1145 SYSTEM COMPONENTS

Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 19450+1145 BPM1456 AB 1992 2015 7 132 101.9 15.44 15.82 0.38 <===
Show 19450+1145 BPM1457 BC 1991 2015 7 8 104.0 15.82 15.59 0.23
Triple system
3 visible stars in this system



OTHER CATALOGS AND DESIGNATIONS

Precise pa
131.5
Precise sep
101.899
Constellation
Aquila
Gaia DR2
42427955200




WDS HISTORIC DATA

coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19450+1145 BPM1456 AB 1999 2 132 101.9 15.44 15.82 NV 194459.97+114445.4
19450+1145 BPM1456 AB 2001 3 132 102.0 15.44 15.82 NV 194459.97+114445.4
19450+1145 BPM1456 AB 2015 4 131 101.9 15.44 15.82 NV 194459.97+114445.4

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