18243-4407 DUN 221 (NSV10724)
18h 24m 18.24s -44° 06' 36.9" P.A. 162.00 sep 74.0 mag 5.20,10.13 Sp B2.5Vn dist. 149.48 pc (487.6 l.y.)
Coord 2000 |
18243-4407 |
|
Discov num |
DUN 221 |
|
Comp |
|
|
Coord arcsec 2000 |
18 24 18.24 -44 06 36.9 |
|
Date first |
1826 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
180 |
|
Pa last |
161.6 |
|
P.A. Now (θ) |
161.6° |
|
Sep first |
40.0 |
|
Sep last |
73.954 |
|
Sep. Now (ρ) |
73.954" |
|
Mag pri |
5.20 |
|
Mag sec |
10.13 |
|
delta mag (ΔM) |
4.93 |
|
Spectral class |
B2.5Vn (blue-white) |
|
Pri motion ra |
+000 |
|
Sec motion ra |
+015 |
|
Pri motion dec |
-022 |
|
Sec motion dec |
+000 |
|
Notes |
N
(See Notes) |
|
rPM=1.21
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Var name |
NSV10724 |
|
Constellation |
Corona Austrina |
|
SAO |
228982 |
|
HIP |
90200 |
|
Tycho2 |
7913-00205-1 |
|
Gaia DR2 |
6721718444965335936 |
|
HD |
168905 |
|
HR |
6875 |
|
GC |
25094 |
|
CD |
CD-4412569 |
|
CP |
CP-44 9116 |
|
FK5 |
3461 |
|
Distance |
149.48 |
|
Distance ly |
487.6 |
|