20538+3723 SEI 1301 AC
20h 53m 47.34s +37° 23' 08.2" P.A. 290.00 sep 26.3 mag 9.04,11.60 Sp K0
| Coord 2000 |
20538+3723 |
|
Discov num |
SEI1301 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 53 47.34 +37 23 08.2 |
|
| Date first |
1896 |
|
Date last |
1896 |
|
Obs |
1 |
|
| Pa first |
290 |
|
Pa last |
290 |
|
P.A. Now (θ) |
290° |
|
| Sep first |
26.3 |
|
Sep last |
26.302 |
|
Sep. Now (ρ) |
26.302" |
|
| Mag pri |
9.04 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
2.56 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
N
X
(See Notes, Dubious double) |
|
Nature of this double is uncertain.
20538+3723 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 53 47 +37 23 08 |
SEI 1299 AB |
2016 |
17 |
356 |
9.0 |
9.04 |
11.65 |
2.61 |
|
|
| Show |
|
|
20 53 47 +37 23 08 |
SEI 1301 AC |
1896 |
1 |
290 |
26.3 |
9.04 |
11.60 |
2.56 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2700-02302-1 |
|
Gaia DR2 |
1872377527983750912 |
|
