18101-3538 B 2857 (HD 165980)
18h 10m 05.64s -35° 38' 04.5" P.A. 303.00 sep 6.1 mag 9.97,10.00 Sp B8
Coord 2000 |
18101-3538 |
|
Discov num |
B 2857 |
|
Comp |
|
|
Coord arcsec 2000 |
18 10 05.64 -35 38 04.5 |
|
Date first |
1930 |
|
Date last |
2015 |
|
Obs |
5 |
|
Pa first |
315 |
|
Pa last |
302.5 |
|
P.A. Now (θ) |
302.5° |
|
Sep first |
6.0 |
|
Sep last |
6.051 |
|
Sep. Now (ρ) |
6.051" |
|
Mag pri |
9.97 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
B8 (blue-white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
-137 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
+040 |
|
Notes |
|
|
rPM=1.002
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 165980 |
|
Constellation |
Sagittarius |
|
SAO |
209796 |
|
Tycho2 |
7404-05262-1 |
|
Gaia DR2 |
4038794109071939968 |
|
HD |
165980 |
|