18334-3844 DUN 222 (Kap2 CrA)
18h 33m 23.13s -38° 43' 33.6" P.A. 359.00 sep 20.5 mag 5.58,6.16 Sp B9V+A0III dist. 298.51 pc (973.74 l.y.)
Coord 2000 |
18334-3844 |
|
Discov num |
DUN 222 |
|
Comp |
|
|
Coord arcsec 2000 |
18 33 23.13 -38 43 33.6 |
|
Date first |
1836 |
|
Date last |
2018 |
|
Obs |
50 |
|
Pa first |
0 |
|
Pa last |
358.6 |
|
P.A. Now (θ) |
358.6° |
|
Sep first |
30.0 |
|
Sep last |
20.47 |
|
Sep. Now (ρ) |
20.47" |
|
Mag pri |
5.58 |
|
Mag sec |
6.16 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
B9V+A0III (blue-white/white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-022 |
|
Sec motion dec |
-029 |
|
Notes |
N
(See Notes) |
|
rPM=0.243 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
Kap2 CrA |
|
Constellation |
Corona Austrina |
|
SAO |
210293 |
|
HIP |
90968 |
|
Tycho2 |
7902-00891-1 |
|
Gaia DR2 |
6726876327040339712 |
|
HD |
170867 |
|
HR |
6952 |
|
GC |
25314 |
|
CD |
CD-3812895 |
|
CP |
CP-38 7537 |
|
Bayer |
Kappa 2 Coronae Austrinae |
|
Bayer name |
Kap2 CrA |
|
Distance |
298.51 |
|
Distance ly |
973.74 |
|
Bayer greek |
κ2 CrA |
|
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (Cra vs CrA)