18437-2430 B 401 (HD 172893)
18h 43m 40.20s -24° 30' 17.6" P.A. 123.00 sep 0.5 mag 10.14,9.93 Sp F0V dist. 628.93 pc (2051.57 l.y.)
Coord 2000 |
18437-2430 |
|
Discov num |
B 401 |
|
Comp |
|
|
Coord arcsec 2000 |
18 43 40.20 -24 30 17.6 |
|
Date first |
1926 |
|
Date last |
2017 |
|
Obs |
12 |
|
Pa first |
132 |
|
Pa last |
123.2 |
|
P.A. Now (θ) |
123.2° |
|
Sep first |
0.2 |
|
Sep last |
0.487 |
|
Sep. Now (ρ) |
0.487" |
|
Mag pri |
10.14 |
|
Mag sec |
9.93 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
F0V (yellow-white) |
|
Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 172893 |
|
Constellation |
Sagittarius |
|
SAO |
187190 |
|
HIP |
91858 |
|
Tycho2 |
6863-00092-1 |
|
HD |
172893 |
|
CD |
CD-2414630 |
|
CP |
CP-24 6500 |
|
Distance |
628.93 |
|
Distance ly |
2051.57 |
|