19460+0415 BU  468

 
 
19h 45m 57.30s +04 14' 54.6" P.A. 181.00 sep 10.2 mag 7.09,11.30 Sp G0V+dM1e dist. 30.98 pc (101.06 l.y.)
 
 
Coord 2000
19460+0415
Discov num
BU  468
Comp
Coord arcsec 2000
19 45 57.30 +04 14 54.6
Date first
1876
Date last
2015
Obs
18
Pa first
182
Pa last
181
P.A. Now (θ)
181°
Sep first
9.6
Sep last
10.2
Sep. Now (ρ)
10.2"
Mag pri
7.09
Mag sec
11.30
delta mag (ΔM)
4.21
Spectral class
G0V+dM1e (yellow)
Pri motion ra
+056
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.6
Precise sep
10.195
Constellation
Aquila
HIP
97255
Tycho2
0488-02997-1
Gaia DR2
69993455744
HD
186704
BD
BD+03 4138
Distance
30.98
Distance ly
101.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19460+0415 BU 468 2000 13 181 10.1 7.00 11.30 G0V dM1e N D 194557.30+041454.6
19460+0415 BU 468 2012 14 180 10.0 7.00 11.30 G0V dM1e N D 194557.30+041454.6
19460+0415 BU 468 2013 15 182 9.9 7.00 11.30 G0V dM1e N 194557.30+041454.6
19460+0415 BU 468 2015 17 181 10.2 7.09 11.30 G0V+dM1e N 194557.30+041454.6

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