18405+3017 HJ 1336 AD
18h 40m 28.90s +30° 17' 21.5" P.A. 294.00 sep 33.1 mag 8.69,12.70 Sp A0
| Coord 2000 |
18405+3017 |
|
Discov num |
HJ 1336 |
|
Comp |
AD |
|
Coord arcsec 2000 |
18 40 28.90 +30 17 21.5 |
|
| Date first |
1828 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
300 |
|
Pa last |
294.4 |
|
P.A. Now (θ) |
294.4° |
|
| Sep first |
15.0 |
|
Sep last |
33.129 |
|
Sep. Now (ρ) |
33.129" |
|
| Mag pri |
8.69 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
4.01 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.415
Nature of this double is uncertain.
18405+3017 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 172716 |
67236 |
18 40 29 +30 17 22 |
HJ 1336 AB |
2015 |
8 |
89 |
16.9 |
8.69 |
12.00 |
3.31 |
|
|
| Show |
|
67236 |
18 40 29 +30 17 22 |
HJ 1336 AC |
2015 |
8 |
176 |
32.6 |
8.69 |
11.50 |
2.81 |
|
|
| Show |
|
67236 |
18 40 29 +30 17 22 |
HJ 1336 AD |
2015 |
11 |
294 |
33.1 |
8.69 |
12.70 |
4.01 |
|
<=== |
| Show |
|
67236 |
18 40 29 +30 17 22 |
HJ 1336 AE |
2015 |
8 |
334 |
32.3 |
8.69 |
14.20 |
5.51 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
SAO |
67236 |
|
Tycho2 |
2637-00449-1 |
|
Gaia DR2 |
4587912519745597312 |
|
| HD |
172716 |
|
