18560+4414 STF 3130 AB,D
18h 55m 57.14s +44° 13' 41.9" P.A. 310.00 sep 181.2 mag 6.97,12.01 Sp A2 dist. 186.57 pc (608.59 l.y.)
| Coord 2000 |
18560+4414 |
|
Discov num |
STF3130 |
|
Comp |
AB,D |
|
Coord arcsec 2000 |
18 55 57.14 +44 13 41.9 |
|
| Date first |
1880 |
|
Date last |
2003 |
|
Obs |
6 |
|
| Pa first |
311 |
|
Pa last |
310.3 |
|
P.A. Now (θ) |
310.3° |
|
| Sep first |
181.1 |
|
Sep last |
181.178 |
|
Sep. Now (ρ) |
181.178" |
|
| Mag pri |
6.97 |
|
Mag sec |
12.01 |
|
delta mag (ΔM) |
5.04 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+028 |
|
Sec motion dec |
+017 |
|
| Notes |
N
W
(See Notes, ) |
|
rPM=0.49
Nature of this double is uncertain.
18560+4414 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 55 57 +44 13 42 |
STT 365 AB |
2016 |
8 |
359 |
0.2 |
7.20 |
8.30 |
1.10 |
|
|
| Show |
|
|
18 55 57 +44 13 42 |
STF 3130 AB,C |
2016 |
27 |
257 |
2.6 |
6.97 |
10.52 |
3.55 |
|
|
| Show |
|
|
18 55 57 +44 13 42 |
STF 3130 AB,D |
2003 |
6 |
310 |
181.2 |
6.97 |
12.01 |
5.04 |
|
<=== |
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Lyra |
|
SAO |
47928 |
|
HIP |
92926 |
|
Tycho2 |
3131-01425-1 |
|
| Gaia DR2 |
2106664351838552448 |
|
HD |
176003 |
|
BD |
BD+44 3017 |
|
Distance |
186.57 |
|
| Distance ly |
608.59 |
|
