17215-5628 HJ 4939 (HD 156555)
17h 21m 30.78s -56° 28' 17.8" P.A. 227.00 sep 29.6 mag 8.65,9.90 Sp A2III/IV
Coord 2000 |
17215-5628 |
|
Discov num |
HJ 4939 |
|
Comp |
|
|
Coord arcsec 2000 |
17 21 30.78 -56 28 17.8 |
|
Date first |
1835 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
224 |
|
Pa last |
226.8 |
|
P.A. Now (θ) |
226.8° |
|
Sep first |
30.8 |
|
Sep last |
29.639 |
|
Sep. Now (ρ) |
29.639" |
|
Mag pri |
8.65 |
|
Mag sec |
9.90 |
|
delta mag (ΔM) |
1.25 |
|
Spectral class |
A2III/IV (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-031 |
|
Sec motion dec |
-020 |
|
Notes |
N
(See Notes) |
|
rPM=0.479
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156555 |
|
Constellation |
Ara |
|
SAO |
244655 |
|
Tycho2 |
8736-02600-1 |
|
Gaia DR2 |
5922333638585511424 |
|
HD |
156555 |
|
DM |
CP-56 8164 |
|