17456-0424 A 31 (HD 161403)
17h 45m 36.06s -04° 23' 49.2" P.A. 5.00 sep 1.1 mag 9.86,9.92 Sp B9
Coord 2000 |
17456-0424 |
|
Discov num |
A 31 |
|
Comp |
|
|
Coord arcsec 2000 |
17 45 36.06 -04 23 49.2 |
|
Date first |
1899 |
|
Date last |
2017 |
|
Obs |
20 |
|
Pa first |
1 |
|
Pa last |
4.9 |
|
P.A. Now (θ) |
4.9° |
|
Sep first |
1.2 |
|
Sep last |
1.055 |
|
Sep. Now (ρ) |
1.055" |
|
Mag pri |
9.86 |
|
Mag sec |
9.92 |
|
delta mag (ΔM) |
0.06 |
|
Spectral class |
B9 (blue-white) |
|
Pri motion ra |
-009 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 161403 |
|
Constellation |
Ophiuchus |
|
SAO |
141856 |
|
Tycho2 |
5090-00615-1 |
|
Gaia DR2 |
4176239831413044608 |
|
HD |
161403 |
|