18100-3535 R 307 (HD 165956)
18h 10m 01.07s -35° 35' 04.6" P.A. 352.00 sep 2.5 mag 9.48,10.27 Sp A1/2V
Coord 2000 |
18100-3535 |
|
Discov num |
R 307 |
|
Comp |
|
|
Coord arcsec 2000 |
18 10 01.07 -35 35 04.6 |
|
Date first |
1880 |
|
Date last |
1991 |
|
Obs |
6 |
|
Pa first |
356 |
|
Pa last |
351.6 |
|
P.A. Now (θ) |
351.6° |
|
Sep first |
1.7 |
|
Sep last |
2.48 |
|
Sep. Now (ρ) |
2.48" |
|
Mag pri |
9.48 |
|
Mag sec |
10.27 |
|
delta mag (ΔM) |
0.79 |
|
Spectral class |
A1/2V (white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
|
|
Pri motion dec |
-038 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 165956 |
|
Constellation |
Sagittarius |
|
SAO |
209792 |
|
Tycho2 |
7400-00094-1 |
|
Gaia DR2 |
4038806242471167488 |
|
HD |
165956 |
|