18269-1712 BU 965 (HD 169757)
18h 26m 55.95s -17° 11' 51.4" P.A. 109.00 sep 1.5 mag 7.90,11.60 Sp A3III/IV dist. 183.15 pc (597.44 l.y.)
| Coord 2000 |
18269-1712 |
|
Discov num |
BU 965 |
|
Comp |
|
|
Coord arcsec 2000 |
18 26 55.95 -17 11 51.4 |
|
| Date first |
1880 |
|
Date last |
1921 |
|
Obs |
4 |
|
| Pa first |
106 |
|
Pa last |
108.6 |
|
P.A. Now (θ) |
108.6° |
|
| Sep first |
1.6 |
|
Sep last |
1.45 |
|
Sep. Now (ρ) |
1.45" |
|
| Mag pri |
7.90 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
3.7 |
|
Spectral class |
A3III/IV (white) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
|
|
| Pri motion dec |
+006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 169757 |
|
Constellation |
Sagittarius |
|
SAO |
161477 |
|
HIP |
90418 |
|
| Tycho2 |
6270-00111-1 |
|
Gaia DR2 |
4096904226316711808 |
|
HD |
169757 |
|
BD |
BD-17 5196 |
|
| Distance |
183.15 |
|
Distance ly |
597.44 |
|