19595+5944 ES 201 AB (HD 189979)
19h 59m 32.48s +59° 44' 14.5" P.A. 143.00 sep 4.1 mag 8.81,11.30 Sp F8
| Coord 2000 |
19595+5944 |
|
Discov num |
ES 201 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 59 32.48 +59 44 14.5 |
|
| Date first |
1903 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
145 |
|
Pa last |
142.9 |
|
P.A. Now (θ) |
142.9° |
|
| Sep first |
4.1 |
|
Sep last |
4.126 |
|
Sep. Now (ρ) |
4.126" |
|
| Mag pri |
8.81 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
2.49 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-018 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19595+5944 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 189979 |
32184 |
19 59 32 +59 44 14 |
ES 201 AB |
2016 |
12 |
143 |
4.1 |
8.81 |
11.30 |
2.49 |
|
<=== |
| Show |
|
32184 |
19 59 32 +59 44 14 |
ES 201 AC |
2015 |
12 |
94 |
29.3 |
8.81 |
10.70 |
1.89 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 189979 |
|
Constellation |
Cygnus |
|
SAO |
32184 |
|
Tycho2 |
3947-00527-1 |
|
| Gaia DR2 |
2237222905140306688 |
|
HD |
189979 |
|
ADS |
13241 |
|
