18531-1838 HO 569 AB (HD 174802)
18h 53m 06.53s -18° 38' 12.4" P.A. 38.00 sep 15.6 mag 6.92,11.80 Sp K2III dist. 187.97 pc (613.16 l.y.)
| Coord 2000 |
18531-1838 |
|
Discov num |
HO 569 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 53 06.53 -18 38 12.4 |
|
| Date first |
1893 |
|
Date last |
1999 |
|
Obs |
6 |
|
| Pa first |
45 |
|
Pa last |
38.1 |
|
P.A. Now (θ) |
38.1° |
|
| Sep first |
12.0 |
|
Sep last |
15.628 |
|
Sep. Now (ρ) |
15.628" |
|
| Mag pri |
6.92 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
4.88 |
|
Spectral class |
K2III (yellow-orange) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-026 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18531-1838 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
161935 |
18 53 07 -18 38 12 |
OCC 9186 Aa,Ab |
1978 |
0 |
-1 |
-1.0 |
7.20 |
8.50 |
1.30 |
|
|
| Show |
HD 174802 |
161935 |
18 53 07 -18 38 12 |
HO 569 AB |
1999 |
6 |
38 |
15.6 |
6.92 |
11.80 |
4.88 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174802 |
|
Constellation |
Sagittarius |
|
SAO |
161935 |
|
HIP |
92682 |
|
| Tycho2 |
6285-01889-1 |
|
Gaia DR2 |
4086741650824370688 |
|
HD |
174802 |
|
GC |
25896 |
|
| BD |
BD-18 5115 |
|
Distance |
187.97 |
|
Distance ly |
613.16 |
|