20211+4341 A 46 AB
20h 21m 05.03s +43° 40' 30.6" P.A. 77.00 sep 0.4 mag 9.00,9.20 Sp A2
| Coord 2000 |
20211+4341 |
|
Discov num |
A 46 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 21 05.03 +43 40 30.6 |
|
| Date first |
1901 |
|
Date last |
2012 |
|
Obs |
21 |
|
| Pa first |
88 |
|
Pa last |
76.7 |
|
P.A. Now (θ) |
76.7° |
|
| Sep first |
0.2 |
|
Sep last |
0.438 |
|
Sep. Now (ρ) |
0.438" |
|
| Mag pri |
9.00 |
|
Mag sec |
9.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+017 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20211+4341 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
20 21 05 +43 40 31 |
A 46 AB |
2012 |
21 |
77 |
0.4 |
9.00 |
9.20 |
0.20 |
|
<=== |
| Show |
|
|
20 21 05 +43 40 31 |
A 46 AB,C |
2012 |
23 |
265 |
2.0 |
9.26 |
11.15 |
1.89 |
|
|
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3164-01488-1 |
|
Gaia DR2 |
2069246867335389312 |
|
