20020+3840 A 1411 AB (HD 190131)
20h 01m 59.20s +38° 39' 55.4" P.A. 204.00 sep 1.3 mag 8.59,12.30 Sp A3V
| Coord 2000 |
20020+3840 |
|
Discov num |
A 1411 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 01 59.20 +38 39 55.4 |
|
| Date first |
1906 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
204 |
|
Pa last |
203.8 |
|
P.A. Now (θ) |
203.8° |
|
| Sep first |
1.1 |
|
Sep last |
1.318 |
|
Sep. Now (ρ) |
1.318" |
|
| Mag pri |
8.59 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
3.71 |
|
Spectral class |
A3V (white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
20020+3840 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 190131 |
69289 |
20 01 59 +38 39 55 |
A 1411 AB |
2016 |
9 |
204 |
1.3 |
8.59 |
12.30 |
3.71 |
|
<=== |
| Show |
|
69289 |
20 01 59 +38 39 55 |
A 1411 AC |
2015 |
5 |
208 |
10.2 |
8.59 |
13.40 |
4.81 |
|
|
| Show |
|
69289 |
20 01 59 +38 39 55 |
A 1411 AD |
2015 |
5 |
116 |
22.7 |
8.59 |
13.60 |
5.01 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 190131 |
|
Constellation |
Cygnus |
|
SAO |
69289 |
|
Tycho2 |
3150-01983-1 |
|
| Gaia DR2 |
2072415011337665408 |
|
HD |
190131 |
|
