19500+4509 ES 23 AD (HD 187810)
19h 49m 59.38s +45° 09' 05.4" P.A. 327.00 sep 30.7 mag 8.27,10.01 Sp K0 dist. 709.22 pc (2313.48 l.y.)
| Coord 2000 |
19500+4509 |
|
Discov num |
ES 23 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 49 59.38 +45 09 05.4 |
|
| Date first |
1892 |
|
Date last |
2021 |
|
Obs |
23 |
|
| Pa first |
328 |
|
Pa last |
326.8 |
|
P.A. Now (θ) |
326.8° |
|
| Sep first |
30.6 |
|
Sep last |
30.72 |
|
Sep. Now (ρ) |
30.72" |
|
| Mag pri |
8.27 |
|
Mag sec |
10.01 |
|
delta mag (ΔM) |
1.74 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-007 |
|
| Notes |
Z
(Parallax indicates components are physical) |
|
rPM=0.198 (< 0.3, Physical double)
This double is physical.
19500+4509 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
48880 |
19 49 59 +45 09 05 |
ES 23 AB |
2021 |
16 |
136 |
8.6 |
8.27 |
12.60 |
4.33 |
|
|
| Show |
|
48880 |
19 49 59 +45 09 05 |
ES 23 AC |
2015 |
8 |
97 |
13.1 |
8.27 |
15.00 |
6.73 |
|
|
| Show |
HD 187810 |
48880 |
19 49 59 +45 09 05 |
ES 23 AD |
2021 |
23 |
327 |
30.7 |
8.27 |
10.01 |
1.74 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 187810 |
|
Constellation |
Cygnus |
|
SAO |
48880 |
|
HIP |
97576 |
|
| Tycho2 |
3557-00108-1 |
|
Gaia DR2 |
2079343480758592256 |
|
HD |
187810 |
|
BD |
BD+44 3264 |
|
| Distance |
709.22 |
|
Distance ly |
2313.48 |
|