19495+3843 ES 84 AB (HD 187638)
19h 49m 27.50s +38° 42' 36.5" P.A. 158.00 sep 10.3 mag 6.22,11.10 Sp G3II-III dist. 214.59 pc (699.99 l.y.)
| Coord 2000 |
19495+3843 |
|
Discov num |
ES 84 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 49 27.50 +38 42 36.5 |
|
| Date first |
1901 |
|
Date last |
2021 |
|
Obs |
12 |
|
| Pa first |
156 |
|
Pa last |
158 |
|
P.A. Now (θ) |
158° |
|
| Sep first |
11.4 |
|
Sep last |
10.33 |
|
Sep. Now (ρ) |
10.33" |
|
| Mag pri |
6.22 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
4.88 |
|
Spectral class |
G3II-III (yellow) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19495+3843 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 187638 |
68909 |
19 49 28 +38 42 36 |
ES 84 AB |
2021 |
12 |
158 |
10.3 |
6.22 |
11.10 |
4.88 |
|
<=== |
| Show |
|
68909 |
19 49 28 +38 42 36 |
ES 84 AC |
2021 |
11 |
94 |
22.1 |
6.22 |
13.20 |
6.98 |
|
|
| Show |
|
|
19 49 28 +38 42 26 |
ES 84 BC |
2015 |
11 |
66 |
20.0 |
11.10 |
13.20 |
2.10 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 187638 |
|
Constellation |
Cygnus |
|
SAO |
68909 |
|
HIP |
97538 |
|
| Tycho2 |
3136-01424-1 |
|
Gaia DR2 |
2073004864957474176 |
|
HD |
187638 |
|
HR |
7555 |
|
| GC |
27453 |
|
ADS |
12992 |
|
BD |
BD+38 3772 |
|
Distance |
214.59 |
|
| Distance ly |
699.99 |
|
