20414+4517 H N 73 (Deneb)
20h 41m 25.91s +45° 16' 49.2" P.A. 105.00 sep 75.6 mag 1.25,11.70 Sp A2Iae dist. 432.9 pc (1412.12 l.y.)
| Coord 2000 |
20414+4517 |
|
Discov num |
H N 73 |
|
Comp |
|
|
Coord arcsec 2000 |
20 41 25.91 +45 16 49.2 |
|
| Date first |
1837 |
|
Date last |
2008 |
|
Obs |
11 |
|
| Pa first |
103 |
|
Pa last |
105 |
|
P.A. Now (θ) |
105° |
|
| Sep first |
108.5 |
|
Sep last |
75.55 |
|
Sep. Now (ρ) |
75.55" |
|
| Mag pri |
1.25 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
10.45 |
|
Spectral class |
A2Iae (white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+006 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+007 |
|
| Notes |
N
(See Notes) |
|
rPM=0.782
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Deneb |
|
Constellation |
Cygnus |
|
SAO |
49941 |
|
HIP |
102098 |
|
| Tycho2 |
3574-03347-1 |
|
HD |
197345 |
|
HR |
7924 |
|
GC |
28846 |
|
| ADS |
14172 |
|
BD |
BD+44 3541 |
|
Bayer |
Alpha Cygni |
|
Bayer name |
Alp Cyg |
|
| Flamsteed |
50 Cygni |
|
Flamsteed name |
50 Cyg |
|
FK5 |
777 |
|
Distance |
432.9 |
|
| Distance ly |
1412.12 |
|
Bayer greek |
α Cyg |
|
| Other names |
DENEB EL ADIGE, ARIDIF, ARRIOPH, GALLINA, Deneb Cygni |
|
