17533-2221 HJ 4990 (HD 162694)
17h 53m 15.70s -22° 20' 41.6" P.A. 300.00 sep 23.6 mag 9.95,11.33 Sp B8Ib/II
Coord 2000 |
17533-2221 |
|
Discov num |
HJ 4990 |
|
Comp |
|
|
Coord arcsec 2000 |
17 53 15.70 -22 20 41.6 |
|
Date first |
1890 |
|
Date last |
2010 |
|
Obs |
8 |
|
Pa first |
300 |
|
Pa last |
299.8 |
|
P.A. Now (θ) |
299.8° |
|
Sep first |
23.5 |
|
Sep last |
23.59 |
|
Sep. Now (ρ) |
23.59" |
|
Mag pri |
9.95 |
|
Mag sec |
11.33 |
|
delta mag (ΔM) |
1.38 |
|
Spectral class |
B8Ib/II (blue-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
rPM=1.374
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 162694 |
|
Constellation |
Sagittarius |
|
SAO |
185896 |
|
Tycho2 |
6262-00541-1 |
|
Gaia DR2 |
4070256982272954368 |
|
HD |
162694 |
|
DM |
CD-2212312 |
|