18515+1019 HJ 870 AB (HD 174734)
18h 51m 35.95s +10° 19' 14.0" P.A. 219.00 sep 11.6 mag 9.75,12.00 Sp A0
| Coord 2000 |
18515+1019 |
|
Discov num |
HJ 870 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 51 35.95 +10 19 14.0 |
|
| Date first |
1827 |
|
Date last |
2015 |
|
Obs |
18 |
|
| Pa first |
230 |
|
Pa last |
219.1 |
|
P.A. Now (θ) |
219.1° |
|
| Sep first |
10.0 |
|
Sep last |
11.56 |
|
Sep. Now (ρ) |
11.56" |
|
| Mag pri |
9.75 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
2.25 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=1.056
This double is not physical.
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
| Name |
HD 174734 |
|
Constellation |
Aquila |
|
SAO |
104187 |
|
Tycho2 |
1030-00908-1 |
|
| Gaia DR2 |
4311559308765105536 |
|
HD |
174734 |
|
