18101-3044 BU 245 (HD 166023)
18h 10m 05.81s -30° 43' 43.3" P.A. 345.00 sep 4.1 mag 5.77,7.99 Sp K1II dist. 137.74 pc (449.31 l.y.)
| Coord 2000 |
18101-3044 |
|
Discov num |
BU 245 |
|
Comp |
|
|
Coord arcsec 2000 |
18 10 05.81 -30 43 43.3 |
|
| Date first |
1874 |
|
Date last |
2016 |
|
Obs |
43 |
|
| Pa first |
355 |
|
Pa last |
345.3 |
|
P.A. Now (θ) |
345.3° |
|
| Sep first |
3.5 |
|
Sep last |
4.14 |
|
Sep. Now (ρ) |
4.14" |
|
| Mag pri |
5.77 |
|
Mag sec |
7.99 |
|
delta mag (ΔM) |
2.22 |
|
Spectral class |
K1II (yellow-orange) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+013 |
|
| Pri motion dec |
-038 |
|
Sec motion dec |
-028 |
|
| Notes |
N
(See Notes) |
|
rPM=0.302
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166023 |
|
Constellation |
Sagittarius |
|
SAO |
209803 |
|
HIP |
89020 |
|
| Tycho2 |
7392-03056-1 |
|
Gaia DR2 |
4049242222690813056 |
|
HD |
166023 |
|
HR |
6780 |
|
| GC |
24748 |
|
CD |
CD-3015316 |
|
Distance |
137.74 |
|
Distance ly |
449.31 |
|
