18562+0412 STF 2417 AC
18h 56m 13.18s +04° 12' 12.9" P.A. 58.00 sep 421.0 mag 4.59,6.78 Sp A5V dist. 47.42 pc (154.68 l.y.)
| Coord 2000 |
18562+0412 |
|
Discov num |
STF2417 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 56 13.18 +04 12 12.9 |
|
| Date first |
1908 |
|
Date last |
2007 |
|
Obs |
18 |
|
| Pa first |
58 |
|
Pa last |
58.1 |
|
P.A. Now (θ) |
58.1° |
|
| Sep first |
432.1 |
|
Sep last |
420.965 |
|
Sep. Now (ρ) |
420.965" |
|
| Mag pri |
4.59 |
|
Mag sec |
6.78 |
|
delta mag (ΔM) |
2.19 |
|
Spectral class |
A5V (white) |
|
| Pri motion ra |
+038 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+027 |
|
Sec motion dec |
-084 |
|
| Notes |
N
S
(See Notes, Parallax indidates non-physical) |
|
rPM=1.401
This double is not physical.
18562+0412 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Alya |
124068 |
18 56 13 +04 12 13 |
STF 2417 AB |
2019 |
236 |
106 |
22.4 |
4.59 |
4.93 |
0.34 |
|
|
| Show |
|
124068 |
18 56 13 +04 12 13 |
STF 2417 AC |
2007 |
18 |
58 |
421.0 |
4.59 |
6.78 |
2.19 |
|
<=== |
| Show |
|
124070 |
18 56 15 +04 12 08 |
STF 2417 BC |
2007 |
17 |
56 |
405.6 |
4.93 |
6.78 |
1.85 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Alya |
|
Var name |
NSV11557 Ser |
|
Constellation |
Serpens |
|
SAO |
124068 |
|
| HIP |
92946 |
|
Tycho2 |
0457-00687-1 |
|
Gaia DR2 |
4281199284413726208 |
|
HD |
175638 |
|
| HR |
7141 |
|
GC |
25991 |
|
ADS |
11853 |
|
BD |
BD+04 3916 |
|
| Bayer |
Theta 1 Serpentis |
|
Bayer name |
The1 Ser |
|
Flamsteed |
63 Serpentis |
|
Flamsteed name |
63 Ser |
|
| FK5 |
709 |
|
Distance |
47.42 |
|
Distance ly |
154.68 |
|
Bayer greek |
θ1 Ser |
|
