21184+3749 SEI 1495
21h 18m 25.76s +37° 48' 35.4" P.A. 273.00 sep 14.8 mag 11.11,11.93 Sp B8IV
| Coord 2000 |
21184+3749 |
|
Discov num |
SEI1495 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 25.76 +37 48 35.4 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
269 |
|
Pa last |
272.6 |
|
P.A. Now (θ) |
272.6° |
|
| Sep first |
15.0 |
|
Sep last |
14.76 |
|
Sep. Now (ρ) |
14.76" |
|
| Mag pri |
11.11 |
|
Mag sec |
11.93 |
|
delta mag (ΔM) |
0.82 |
|
Spectral class |
B8IV (blue-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
+004 |
|
| Notes |
N
(See Notes) |
|
rPM=0.915
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-00824-1 |
|
Gaia DR2 |
1964737741664108544 |
|
