17457-1832 A 2251 (HD 161340)
17h 45m 44.93s -18° 32' 06.3" P.A. 257.00 sep 2.5 mag 10.17,10.75 Sp A0/1III
| Coord 2000 |
17457-1832 |
|
Discov num |
A 2251 |
|
Comp |
|
|
Coord arcsec 2000 |
17 45 44.93 -18 32 06.3 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
258 |
|
Pa last |
257.3 |
|
P.A. Now (θ) |
257.3° |
|
| Sep first |
2.2 |
|
Sep last |
2.515 |
|
Sep. Now (ρ) |
2.515" |
|
| Mag pri |
10.17 |
|
Mag sec |
10.75 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
A0/1III (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
-050 |
|
| Pri motion dec |
+004 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
rPM=1.208
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 161340 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6253-00423-1 |
|
Gaia DR2 |
4120532632503257984 |
|
| HD |
161340 |
|
ADS |
10761 |
|
