18515+1019 HJ 870 AC
18h 51m 35.95s +10° 19' 14.0" P.A. 248.00 sep 65.8 mag 9.75,9.21 Sp A0+A0
Coord 2000 |
18515+1019 |
|
Discov num |
HJ 870 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 51 35.95 +10 19 14.0 |
|
Date first |
1909 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
249 |
|
Pa last |
248.3 |
|
P.A. Now (θ) |
248.3° |
|
Sep first |
65.7 |
|
Sep last |
65.8 |
|
Sep. Now (ρ) |
65.8" |
|
Mag pri |
9.75 |
|
Mag sec |
9.21 |
|
delta mag (ΔM) |
0.54 |
|
Spectral class |
A0+A0 (white/white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
+000 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=0.8
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 |
|
SAO |
104187 |
|
Tycho2 |
1030-00908-1 |
|
Gaia DR2 |
4311559308765105536 |
|
HD |
174734 |
|