18554+1118 SRW 7 BC
18h 55m 25.33s +11° 17' 40.6" P.A. 267.00 sep 28.6 mag 11.00,11.56 Sp A:+A:
| Coord 2000 |
18554+1118 |
|
Discov num |
SRW 7 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 55 25.33 +11 17 40.6 |
|
| Date first |
1907 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
267 |
|
Pa last |
267.3 |
|
P.A. Now (θ) |
267.3° |
|
| Sep first |
28.5 |
|
Sep last |
28.604 |
|
Sep. Now (ρ) |
28.604" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.56 |
|
delta mag (ΔM) |
0.56 |
|
Spectral class |
A:+A: (white/white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+003 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-000 |
|
| Notes |
|
|
rPM=0.745
Nature of this double is uncertain.
18554+1118 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 55 25 +11 17 16 |
SRW 7 AB |
2015 |
14 |
24 |
26.4 |
10.73 |
11.00 |
0.27 |
|
|
| Show |
|
|
18 55 25 +11 17 16 |
SRW 7 AC |
2015 |
14 |
322 |
29.1 |
10.73 |
11.56 |
0.83 |
|
|
| Show |
|
|
18 55 25 +11 17 41 |
SRW 7 BC |
2015 |
15 |
267 |
28.6 |
11.00 |
11.56 |
0.56 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
Tycho2 |
1047-02261-1 |
|
Gaia DR2 |
4312135418503906432 |
|
