18386+0236 DAM 381 AC
18h 40m 31.30s +02° 41' 04.0" P.A. 228.00 sep 14.2 mag 8.00,14.80 Sp F0v dist. 112.11 pc (365.7 l.y.)
| Coord 2000 |
18386+0236 |
|
Discov num |
DAM 381 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 40 31.30 +02 41 04.0 |
|
| Date first |
1999 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
229 |
|
Pa last |
228.2 |
|
P.A. Now (θ) |
228.2° |
|
| Sep first |
14.4 |
|
Sep last |
14.224 |
|
Sep. Now (ρ) |
14.224" |
|
| Mag pri |
8.00 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
6.8 |
|
Spectral class |
F0v (yellow-white) |
|
| Pri motion ra |
-034 |
|
Sec motion ra |
|
|
| Pri motion dec |
-019 |
|
Sec motion dec |
|
|
| Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
18386+0236 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 172506 |
123794 |
18 40 31 +02 41 04 |
HJ 5500 AB |
2015 |
17 |
40 |
84.0 |
7.99 |
10.16 |
2.17 |
|
|
| Show |
|
123794 |
18 40 31 +02 41 04 |
DAM 381 AC |
2015 |
7 |
228 |
14.2 |
8.00 |
14.80 |
6.80 |
|
<=== |
| Show |
|
123794 |
18 40 31 +02 41 04 |
SKF 2135 AD |
2016 |
12 |
238 |
54.4 |
7.99 |
14.50 |
6.51 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
SAO |
123794 |
|
HIP |
91580 |
|
Tycho2 |
0451-00791-1 |
|
| Gaia DR2 |
4279979582440702720 |
|
HD |
172506 |
|
BD |
BD+02 3646 |
|
Distance |
112.11 |
|
| Distance ly |
365.7 |
|
