21128+3907 SEI 1447
21h 12m 48.41s +39° 06' 40.7" P.A. 151.00 sep 13.3 mag 9.34,12.00 Sp A5
| Coord 2000 |
21128+3907 |
|
Discov num |
SEI1447 |
|
Comp |
|
|
Coord arcsec 2000 |
21 12 48.41 +39 06 40.7 |
|
| Date first |
1895 |
|
Date last |
2014 |
|
Obs |
12 |
|
| Pa first |
153 |
|
Pa last |
151 |
|
P.A. Now (θ) |
151° |
|
| Sep first |
13.5 |
|
Sep last |
13.254 |
|
Sep. Now (ρ) |
13.254" |
|
| Mag pri |
9.34 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
2.66 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
-004 |
|
| Notes |
N
(See Notes) |
|
rPM=0.158 (< 0.3, Physical double)
This double is physical.
21128+3907 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 12 48 +39 06 41 |
GUR 13 Aa,Ab |
2012 |
1 |
44 |
0.5 |
9.29 |
|
|
|
|
| Show |
|
|
21 12 48 +39 06 41 |
SEI 1447 |
2014 |
12 |
151 |
13.3 |
9.34 |
12.00 |
2.66 |
|
<=== |
Quadruple system
0 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-03877-1 |
|
Gaia DR2 |
1968108397638842368 |
|
