18322-0750 BU 419 (HD 170921)
18h 32m 12.94s -07° 49' 31.2" P.A. 32.00 sep 1.2 mag 8.38,9.42 Sp A0
Coord 2000 |
18322-0750 |
|
Discov num |
BU 419 |
|
Comp |
|
|
Coord arcsec 2000 |
18 32 12.94 -07 49 31.2 |
|
Date first |
1877 |
|
Date last |
2013 |
|
Obs |
29 |
|
Pa first |
58 |
|
Pa last |
31.8 |
|
P.A. Now (θ) |
31.8° |
|
Sep first |
1.2 |
|
Sep last |
1.195 |
|
Sep. Now (ρ) |
1.195" |
|
Mag pri |
8.38 |
|
Mag sec |
9.42 |
|
delta mag (ΔM) |
1.04 |
|
Spectral class |
A0 (white) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 170921 |
|
Constellation |
Scutum |
|
Tycho2 |
5691-00425-1 |
|
Gaia DR2 |
4156760677273159168 |
|
HD |
170921 |
|