18022-2318 B 2851 (HD 164452)
18h 02m 12.46s -23° 18' 14.2" P.A. 156.00 sep 10.5 mag 10.20,11.40 Sp A2/3V:
Coord 2000 |
18022-2318 |
|
Discov num |
B 2851 |
|
Comp |
|
|
Coord arcsec 2000 |
18 02 12.46 -23 18 14.2 |
|
Date first |
1910 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
155 |
|
Pa last |
155.7 |
|
P.A. Now (θ) |
155.7° |
|
Sep first |
10.8 |
|
Sep last |
10.5 |
|
Sep. Now (ρ) |
10.5" |
|
Mag pri |
10.20 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
A2/3V: (white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-010 |
|
Sec motion dec |
-016 |
|
Notes |
|
|
rPM=0.375
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 164452 |
|
Constellation |
Sagittarius |
|
Tycho2 |
6842-01418-1 |
|
Gaia DR2 |
4069225842146826880 |
|
HD |
164452 |
|