19551+3012 STT 390 AC
19h 55m 06.50s +30° 11' 41.6" P.A. 176.00 sep 15.8 mag 6.63,11.23 Sp B6V dist. 262.47 pc (856.18 l.y.)
| Coord 2000 |
19551+3012 |
|
Discov num |
STT 390 |
|
Comp |
AC |
|
Coord arcsec 2000 |
19 55 06.50 +30 11 41.6 |
|
| Date first |
1849 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
176 |
|
Pa last |
176.4 |
|
P.A. Now (θ) |
176.4° |
|
| Sep first |
16.2 |
|
Sep last |
15.829 |
|
Sep. Now (ρ) |
15.829" |
|
| Mag pri |
6.63 |
|
Mag sec |
11.23 |
|
delta mag (ΔM) |
4.6 |
|
Spectral class |
B6V (blue-white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
+001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
19551+3012 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 188651 |
69079 |
19 55 06 +30 11 42 |
STT 390 AB |
2015 |
33 |
22 |
9.6 |
6.63 |
9.50 |
2.87 |
|
|
| Show |
|
69079 |
19 55 06 +30 11 42 |
STT 390 AC |
2015 |
17 |
176 |
15.8 |
6.63 |
11.23 |
4.60 |
|
<=== |
| Show |
|
69079 |
19 55 06 +30 11 42 |
WAL 121 AD |
2015 |
5 |
145 |
54.8 |
6.63 |
12.21 |
5.58 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
69079 |
|
HIP |
98017 |
|
Tycho2 |
2669-05015-1 |
|
| Gaia DR2 |
2030389993316732288 |
|
HD |
188651 |
|
HR |
7607 |
|
ADS |
13117 |
|
| BD |
BD+29 3802 |
|
Distance |
262.47 |
|
Distance ly |
856.18 |
|
