18401+0321 AG 224 (HD 172425)
18h 40m 05.03s +03° 21' 24.0" P.A. 348.00 sep 22.1 mag 8.75,10.01 Sp B9.5V dist. 869.57 pc (2836.54 l.y.)
Coord 2000 |
18401+0321 |
|
Discov num |
AG 224 |
|
Comp |
|
|
Coord arcsec 2000 |
18 40 05.03 +03 21 24.0 |
|
Date first |
1902 |
|
Date last |
2015 |
|
Obs |
23 |
|
Pa first |
349 |
|
Pa last |
347.8 |
|
P.A. Now (θ) |
347.8° |
|
Sep first |
21.9 |
|
Sep last |
22.111 |
|
Sep. Now (ρ) |
22.111" |
|
Mag pri |
8.75 |
|
Mag sec |
10.01 |
|
delta mag (ΔM) |
1.26 |
|
Spectral class |
B9.5V (blue-white) |
|
Pri motion ra |
+007 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-005 |
|
Sec motion dec |
-006 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.108 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 172425 |
|
Constellation |
Serpens |
|
SAO |
123786 |
|
HIP |
91537 |
|
Tycho2 |
0451-00286-1 |
|
Gaia DR2 |
4280089224370098944 |
|
HD |
172425 |
|
BD |
BD+03 3769 |
|
Distance |
869.57 |
|
Distance ly |
2836.54 |
|