20115+3630 SEI 971 AB (HD 228199)
20h 11m 27.26s +36° 29' 56.8" P.A. 14.00 sep 14.1 mag 9.30,11.60 Sp B0.5V
| Coord 2000 |
20115+3630 |
|
Discov num |
SEI 971 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 11 27.26 +36 29 56.8 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
13 |
|
Pa last |
13.7 |
|
P.A. Now (θ) |
13.7° |
|
| Sep first |
13.7 |
|
Sep last |
14.057 |
|
Sep. Now (ρ) |
14.057" |
|
| Mag pri |
9.30 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
B0.5V (blue-white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.403
Nature of this double is uncertain.
20115+3630 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 228199 |
69575 |
20 11 27 +36 29 57 |
SEI 971 AB |
2015 |
11 |
14 |
14.1 |
9.30 |
11.60 |
2.30 |
|
<=== |
| Show |
|
69575 |
20 11 27 +36 29 57 |
SLE 954 AC |
2015 |
9 |
294 |
24.1 |
9.30 |
11.70 |
2.40 |
|
|
| Show |
|
69575 |
20 11 27 +36 29 57 |
SLE 954 AD |
2015 |
8 |
357 |
22.3 |
9.30 |
12.80 |
3.50 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 228199 |
|
Constellation |
Cygnus |
|
SAO |
69575 |
|
Tycho2 |
2683-01190-1 |
|
| Gaia DR2 |
2059181250701393280 |
|
HD |
228199 |
|
