18128-1618 HJ 2821 AB (HD 166763)
18h 12m 48.48s -16° 17' 44.9" P.A. 278.00 sep 7.8 mag 9.71,10.10 Sp B6II/III
| Coord 2000 |
18128-1618 |
|
Discov num |
HJ 2821 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 12 48.48 -16 17 44.9 |
|
| Date first |
1830 |
|
Date last |
2018 |
|
Obs |
11 |
|
| Pa first |
274 |
|
Pa last |
277.7 |
|
P.A. Now (θ) |
277.7° |
|
| Sep first |
4.0 |
|
Sep last |
7.84 |
|
Sep. Now (ρ) |
7.84" |
|
| Mag pri |
9.71 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
B6II/III (blue-white) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
+002 |
|
| Notes |
N
(See Notes) |
|
rPM=1.475
This double is not physical.
18128-1618 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166763 |
161188 |
18 12 48 -16 17 45 |
HJ 2821 AB |
2018 |
11 |
278 |
7.8 |
9.71 |
10.10 |
0.39 |
|
<=== |
| Show |
|
161188 |
18 12 48 -16 17 45 |
BU 1463 AC |
2018 |
12 |
12 |
53.1 |
9.71 |
9.80 |
0.09 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166763 |
|
Constellation |
Sagittarius |
|
SAO |
161188 |
|
Tycho2 |
6264-01792-1 |
|
| Gaia DR2 |
4145625201449987584 |
|
HD |
166763 |
|