18180-1842 HWE 42 (HD 167885)
18h 18m 03.20s -18° 45' 44.7" P.A. 189.00 sep 21.5 mag 8.73,11.55 Sp F6Iab/b
Coord 2000 |
18180-1842 |
|
Discov num |
HWE 42 |
|
Comp |
|
|
Coord arcsec 2000 |
18 18 03.20 -18 45 44.7 |
|
Date first |
1879 |
|
Date last |
2018 |
|
Obs |
11 |
|
Pa first |
195 |
|
Pa last |
189.4 |
|
P.A. Now (θ) |
189.4° |
|
Sep first |
20.2 |
|
Sep last |
21.5 |
|
Sep. Now (ρ) |
21.5" |
|
Mag pri |
8.73 |
|
Mag sec |
11.55 |
|
delta mag (ΔM) |
2.82 |
|
Spectral class |
F6Iab/b (yellow-white) |
|
Pri motion ra |
-013 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
+007 |
|
Sec motion dec |
+001 |
|
Notes |
|
|
rPM=1.032
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 167885 |
|
Constellation |
Sagittarius |
|
SAO |
161288 |
|
Tycho2 |
6273-00046-1 |
|
Gaia DR2 |
4094820209441290368 |
|
HD |
167885 |
|
DM |
BD-18 4893 |
|