18424+0040 HDZ 2 (HD 172848)
18h 42m 25.12s +00° 40' 13.7" P.A. 110.00 sep 11.8 mag 9.68,11.40 Sp A2
Coord 2000 |
18424+0040 |
|
Discov num |
HDZ 2 |
|
Comp |
|
|
Coord arcsec 2000 |
18 42 25.12 +00 40 13.7 |
|
Date first |
1879 |
|
Date last |
2016 |
|
Obs |
17 |
|
Pa first |
113 |
|
Pa last |
109.5 |
|
P.A. Now (θ) |
109.5° |
|
Sep first |
10.6 |
|
Sep last |
11.823 |
|
Sep. Now (ρ) |
11.823" |
|
Mag pri |
9.68 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
1.72 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
-009 |
|
Sec motion dec |
-011 |
|
Notes |
|
|
rPM=0.581
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 172848 |
|
Constellation |
Aquila |
|
Tycho2 |
0447-00028-1 |
|
Gaia DR2 |
4278701881196996864 |
|
HD |
172848 |
|