18515+1019 BU 1464 CD
18h 51m 31.79s +10° 18' 49.8" P.A. 23.00 sep 22.0 mag 9.21,9.68
| Coord 2000 |
18515+1019 |
|
Discov num |
BU 1464 |
|
Comp |
CD |
|
Coord arcsec 2000 |
18 51 31.79 +10 18 49.8 |
|
| Date first |
1879 |
|
Date last |
2015 |
|
Obs |
22 |
|
| Pa first |
22 |
|
Pa last |
23.2 |
|
P.A. Now (θ) |
23.2° |
|
| Sep first |
21.8 |
|
Sep last |
21.99 |
|
Sep. Now (ρ) |
21.99" |
|
| Mag pri |
9.21 |
|
Mag sec |
9.68 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
|
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-001 |
|
| Notes |
|
|
rPM=0.632
Nature of this double is uncertain.
18515+1019 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 174734 |
104187 |
18 51 36 +10 19 14 |
HJ 870 AB |
2015 |
18 |
219 |
11.6 |
9.75 |
12.00 |
2.25 |
|
|
| Show |
|
104187 |
18 51 36 +10 19 14 |
HJ 870 AC |
2015 |
16 |
248 |
65.8 |
9.75 |
9.21 |
0.54 |
|
|
| Show |
|
|
18 51 32 +10 18 50 |
BU 1464 CD |
2015 |
22 |
23 |
22.0 |
9.21 |
9.68 |
0.47 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
Tycho2 |
1030-03993-1 |
|
Gaia DR2 |
4311559274405377280 |
|
HD |
174715 |
|
