21370+5032 ES 34 AB (HD 205918)
21h 36m 59.27s +50° 31' 43.6" P.A. 137.00 sep 2.7 mag 8.40,10.70 Sp A0
| Coord 2000 |
21370+5032 |
|
Discov num |
ES 34 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 36 59.27 +50 31 43.6 |
|
| Date first |
1900 |
|
Date last |
2001 |
|
Obs |
12 |
|
| Pa first |
140 |
|
Pa last |
136.6 |
|
P.A. Now (θ) |
136.6° |
|
| Sep first |
2.7 |
|
Sep last |
2.65 |
|
Sep. Now (ρ) |
2.65" |
|
| Mag pri |
8.40 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21370+5032 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 205918 |
|
21 36 59 +50 31 44 |
ES 34 AB |
2001 |
12 |
137 |
2.7 |
8.40 |
10.70 |
2.30 |
|
<=== |
| Show |
|
|
21 36 59 +50 31 44 |
ES 34 AC |
2015 |
22 |
70 |
39.1 |
8.38 |
9.63 |
1.25 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 205918 |
|
Constellation |
Cygnus |
|
Tycho2 |
3599-00092-1 |
|
Gaia DR2 |
2171346005266321024 |
|
| HD |
205918 |
|
