18278-8756 TDT 891 (HD 157945)
18h 27m 49.49s -87° 55' 47.6" P.A. 75.00 sep 3.0 mag 10.38,10.89 Sp F8/G0
Coord 2000 |
18278-8756 |
|
Discov num |
TDT 891 |
|
Comp |
|
|
Coord arcsec 2000 |
18 27 49.49 -87 55 47.6 |
|
Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
Pa first |
76 |
|
Pa last |
74.6 |
|
P.A. Now (θ) |
74.6° |
|
Sep first |
3.0 |
|
Sep last |
3.043 |
|
Sep. Now (ρ) |
3.043" |
|
Mag pri |
10.38 |
|
Mag sec |
10.89 |
|
delta mag (ΔM) |
0.51 |
|
Spectral class |
F8/G0 (yellow-white) |
|
Pri motion ra |
+003 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-025 |
|
Sec motion dec |
-025 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 157945 |
|
Constellation |
Octans |
|
Tycho2 |
9531-00347-1 |
|
Gaia DR2 |
6342268877613307520 |
|
HD |
157945 |
|