21016+5422 A 1439 AC
21h 01m 38.09s +54° 21' 21.1" P.A. 342.00 sep 16.5 mag 9.97,14.00 Sp G0
| Coord 2000 |
21016+5422 |
|
Discov num |
A 1439 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 01 38.09 +54 21 21.1 |
|
| Date first |
1906 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
344 |
|
Pa last |
341.7 |
|
P.A. Now (θ) |
341.7° |
|
| Sep first |
15.7 |
|
Sep last |
16.461 |
|
Sep. Now (ρ) |
16.461" |
|
| Mag pri |
9.97 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
4.03 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+024 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+013 |
|
| Notes |
|
|
rPM=0.588
Nature of this double is uncertain.
21016+5422 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
33074 |
21 01 38 +54 21 21 |
A 1439 AB |
2016 |
9 |
250 |
4.4 |
9.97 |
14.00 |
4.03 |
|
|
| Show |
|
33074 |
21 01 38 +54 21 21 |
A 1439 AC |
2015 |
6 |
342 |
16.5 |
9.97 |
14.00 |
4.03 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
33074 |
|
Tycho2 |
3952-00025-1 |
|
Gaia DR2 |
2176737116930209280 |
|
| HD |
235429 |
|
