19447+4456 DA 13 AB (HD 186816)
19h 44m 44.02s +44° 55' 44.0" P.A. 274.00 sep 2.0 mag 7.42,11.60 Sp K0
| Coord 2000 |
19447+4456 |
|
Discov num |
DA 13 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 44 44.02 +44 55 44.0 |
|
| Date first |
1859 |
|
Date last |
2018 |
|
Obs |
16 |
|
| Pa first |
266 |
|
Pa last |
273.8 |
|
P.A. Now (θ) |
273.8° |
|
| Sep first |
2.3 |
|
Sep last |
2.03 |
|
Sep. Now (ρ) |
2.03" |
|
| Mag pri |
7.42 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
4.18 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+033 |
|
Sec motion ra |
|
|
| Pri motion dec |
+017 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19447+4456 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 186816 |
48791 |
19 44 44 +44 55 44 |
DA 13 AB |
2018 |
16 |
274 |
2.0 |
7.42 |
11.60 |
4.18 |
|
<=== |
| Show |
|
48791 |
19 44 44 +44 55 44 |
DA 13 AC |
2015 |
8 |
288 |
155.3 |
7.42 |
11.98 |
4.56 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 186816 |
|
Constellation |
Cygnus |
|
SAO |
48791 |
|
Tycho2 |
3148-00881-1 |
|
| Gaia DR2 |
2079759336670805376 |
|
HD |
186816 |
|