18303-2533 B 394 (HD 170398)
18h 30m 19.83s -25° 32' 59.8" P.A. 197.00 sep 0.2 mag 8.90,9.00 Sp A1/2IV
| Coord 2000 |
18303-2533 |
|
Discov num |
B 394 |
|
Comp |
|
|
Coord arcsec 2000 |
18 30 19.83 -25 32 59.8 |
|
| Date first |
1928 |
|
Date last |
2008 |
|
Obs |
12 |
|
| Pa first |
179 |
|
Pa last |
197.1 |
|
P.A. Now (θ) |
197.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.179 |
|
Sep. Now (ρ) |
0.179" |
|
| Mag pri |
8.90 |
|
Mag sec |
9.00 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
A1/2IV (white) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170398 |
|
Constellation |
Sagittarius |
|
SAO |
186888 |
|
Tycho2 |
6861-02179-1 |
|
| Gaia DR2 |
4076169503008294528 |
|
HD |
170398 |
|