18462-5500 B 402 (HD 172998)
18h 46m 12.90s -54° 59' 43.0" P.A. 255.00 sep 0.5 mag 10.61,10.54 Sp F0V
| Coord 2000 |
18462-5500 |
|
Discov num |
B 402 |
|
Comp |
|
|
Coord arcsec 2000 |
18 46 12.90 -54 59 43.0 |
|
| Date first |
1927 |
|
Date last |
1991 |
|
Obs |
4 |
|
| Pa first |
282 |
|
Pa last |
255.2 |
|
P.A. Now (θ) |
255.2° |
|
| Sep first |
0.4 |
|
Sep last |
0.45 |
|
Sep. Now (ρ) |
0.45" |
|
| Mag pri |
10.61 |
|
Mag sec |
10.54 |
|
delta mag (ΔM) |
0.07 |
|
Spectral class |
F0V (yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-010 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 172998 |
|
Constellation |
Telescopium |
|
SAO |
245694 |
|
Tycho2 |
8762-02258-1 |
|
| Gaia DR2 |
6650410825232069120 |
|
HD |
172998 |
|
