18322-0922 BU 247 (HD 170901)
18h 32m 11.80s -09° 22' 13.3" P.A. 167.00 sep 7.9 mag 8.01,10.51 Sp A0II dist. 349.65 pc (1140.56 l.y.)
Coord 2000 |
18322-0922 |
|
Discov num |
BU 247 |
|
Comp |
|
|
Coord arcsec 2000 |
18 32 11.80 -09 22 13.3 |
|
Date first |
1875 |
|
Date last |
2015 |
|
Obs |
23 |
|
Pa first |
167 |
|
Pa last |
167.1 |
|
P.A. Now (θ) |
167.1° |
|
Sep first |
7.6 |
|
Sep last |
7.928 |
|
Sep. Now (ρ) |
7.928" |
|
Mag pri |
8.01 |
|
Mag sec |
10.51 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
A0II (white) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
-010 |
|
Pri motion dec |
-013 |
|
Sec motion dec |
-017 |
|
Notes |
|
|
rPM=0.227 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 170901 |
|
Constellation |
Scutum |
|
SAO |
142374 |
|
HIP |
90867 |
|
Tycho2 |
5691-00002-1 |
|
Gaia DR2 |
4155906769035462144 |
|
HD |
170901 |
|
BD |
BD-09 4762 |
|
Distance |
349.65 |
|
Distance ly |
1140.56 |
|