18136-1536 BU 131 AC
18h 13m 35.49s -15° 35' 54.1" P.A. 301.00 sep 9.0 mag 7.54,11.75 Sp F6V
| Coord 2000 |
18136-1536 |
|
Discov num |
BU 131 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 13 35.49 -15 35 54.1 |
|
| Date first |
1880 |
|
Date last |
2023 |
|
Obs |
21 |
|
| Pa first |
279 |
|
Pa last |
301 |
|
P.A. Now (θ) |
301° |
|
| Sep first |
7.1 |
|
Sep last |
9 |
|
Sep. Now (ρ) |
9" |
|
| Mag pri |
7.54 |
|
Mag sec |
11.75 |
|
delta mag (ΔM) |
4.21 |
|
Spectral class |
F6V (yellow-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-030 |
|
Sec motion dec |
-004 |
|
| Notes |
S
(Parallax indidates non-physical) |
|
rPM=0.875
This double is not physical.
18136-1536 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166962 |
|
18 13 35 -15 35 54 |
BU 131 AB |
2023 |
41 |
276 |
3.0 |
7.54 |
9.30 |
1.76 |
|
|
| Show |
|
|
18 13 35 -15 35 54 |
BU 131 AC |
2023 |
21 |
301 |
9.0 |
7.54 |
11.75 |
4.21 |
|
<=== |
| Show |
|
|
18 13 35 -15 35 54 |
FOX 221 AD |
2023 |
7 |
34 |
41.6 |
7.54 |
12.52 |
4.98 |
|
|
| Show |
|
|
18 13 35 -15 35 54 |
BU 131 BC |
2023 |
18 |
312 |
6.5 |
9.30 |
11.75 |
2.45 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Tycho2 |
6264-01269-1 |
|
Gaia DR2 |
4145814493585839744 |
|
HD |
166962 |
|
| DM |
BD-15 4874 |
|
