18254-2033 JC 6 (21 Sgr)
18h 25m 21.02s -20° 32' 29.9" P.A. 280.00 sep 1.7 mag 5.03,7.43 Sp K1III+A1V dist. 125.79 pc (410.33 l.y.)
Coord 2000 |
18254-2033 |
|
Discov num |
JC 6 |
|
Comp |
|
|
Coord arcsec 2000 |
18 25 21.02 -20 32 29.9 |
|
Date first |
1846 |
|
Date last |
2008 |
|
Obs |
34 |
|
Pa first |
297 |
|
Pa last |
279.6 |
|
P.A. Now (θ) |
279.6° |
|
Sep first |
1.8 |
|
Sep last |
1.65 |
|
Sep. Now (ρ) |
1.65" |
|
Mag pri |
5.03 |
|
Mag sec |
7.43 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
K1III+A1V (yellow-orange/white) |
|
Pri motion ra |
+020 |
|
Sec motion ra |
+020 |
|
Pri motion dec |
-023 |
|
Sec motion dec |
-023 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
21 Sgr |
|
Constellation |
Sagittarius |
|
SAO |
186794 |
|
HIP |
90289 |
|
Tycho2 |
6274-01663-1 |
|
Gaia DR2 |
4091210409716888704 |
|
HD |
169420 |
|
HR |
6896 |
|
GC |
25132 |
|
ADS |
11325 |
|
BD |
BD-20 5134 |
|
Flamsteed |
21 Sagittarii |
|
Flamsteed name |
21 Sgr |
|
Distance |
125.79 |
|
Distance ly |
410.33 |
|