21473+4148 A 404 AB
21h 47m 17.69s +41° 48' 17.7" P.A. 100.00 sep 3.8 mag 9.15,14.10 Sp F5
| Coord 2000 |
21473+4148 |
|
Discov num |
A 404 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 47 17.69 +41 48 17.7 |
|
| Date first |
1902 |
|
Date last |
1999 |
|
Obs |
5 |
|
| Pa first |
96 |
|
Pa last |
100.3 |
|
P.A. Now (θ) |
100.3° |
|
| Sep first |
4.1 |
|
Sep last |
3.84 |
|
Sep. Now (ρ) |
3.84" |
|
| Mag pri |
9.15 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
4.95 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-048 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21473+4148 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
21 47 18 +41 48 18 |
A 404 AB |
1999 |
5 |
100 |
3.8 |
9.15 |
14.10 |
4.95 |
|
<=== |
| Show |
|
|
21 47 18 +41 48 18 |
A 404 AC |
2015 |
4 |
294 |
14.0 |
9.15 |
15.10 |
5.95 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3192-01542-1 |
|
Gaia DR2 |
1960555783544567808 |
|
ADS |
15333 |
|
