20069-0855 HDO 156 AB (RY Cap)
20h 06m 55.85s -08° 54' 51.3" P.A. 89.00 sep 6.6 mag 7.89,10.30 Sp A9V dist. 213.68 pc (697.02 l.y.)
| Coord 2000 |
20069-0855 |
|
Discov num |
HDO 156 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 06 55.85 -08 54 51.3 |
|
| Date first |
1892 |
|
Date last |
2016 |
|
Obs |
17 |
|
| Pa first |
81 |
|
Pa last |
88.6 |
|
P.A. Now (θ) |
88.6° |
|
| Sep first |
6.1 |
|
Sep last |
6.601 |
|
Sep. Now (ρ) |
6.601" |
|
| Mag pri |
7.89 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
2.41 |
|
Spectral class |
A9V (white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-012 |
|
| Notes |
N
(See Notes) |
|
rPM=0.31
Nature of this double is uncertain.
20069-0855 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
RY Cap |
144074 |
20 06 56 -08 54 51 |
HDO 156 AB |
2016 |
17 |
89 |
6.6 |
7.89 |
10.30 |
2.41 |
|
<=== |
| Show |
|
144074 |
20 06 56 -08 54 51 |
HDO 156 AC |
2016 |
8 |
54 |
8.3 |
7.89 |
12.80 |
4.91 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
RY Cap |
|
Constellation |
Aquila |
|
SAO |
144074 |
|
HIP |
99085 |
|
| Tycho2 |
5739-01739-1 |
|
Gaia DR2 |
4191680621098513664 |
|
HD |
190774 |
|
GC |
27898 |
|
| BD |
BD-09 5356 |
|
Distance |
213.68 |
|
Distance ly |
697.02 |
|
