17449-1839 A 2250 (SZ Sgr)
17h 44m 56.48s -18° 39' 26.4" P.A. 220.00 sep 2.1 mag 8.92,12.22 Sp CII dist. 2000 pc (6524 l.y.)
| Coord 2000 |
17449-1839 |
|
Discov num |
A 2250 |
|
Comp |
|
|
Coord arcsec 2000 |
17 44 56.48 -18 39 26.4 |
|
| Date first |
1910 |
|
Date last |
1991 |
|
Obs |
8 |
|
| Pa first |
213 |
|
Pa last |
220.4 |
|
P.A. Now (θ) |
220.4° |
|
| Sep first |
1.9 |
|
Sep last |
2.1 |
|
Sep. Now (ρ) |
2.1" |
|
| Mag pri |
8.92 |
|
Mag sec |
12.22 |
|
delta mag (ΔM) |
3.3 |
|
Spectral class |
CII (red carbon star) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-004 |
|
| Notes |
N
(See Notes) |
|
rPM=0.572
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
SZ Sgr |
|
Constellation |
Sagittarius |
|
SAO |
160795 |
|
HIP |
86873 |
|
| Tycho2 |
6253-00773-1 |
|
Gaia DR2 |
4120155431312654208 |
|
HD |
159869 |
|
BD |
BD-18 4634 |
|
| Distance |
2000 |
|
Distance ly |
6524 |
|
