16240+6131 STT 312 AB (Athebyne)
16h 23m 59.51s +61° 30' 50.7" P.A. 142.00 sep 4.7 mag 2.80,8.20 Sp G8III+K1V dist. 28.23 pc (92.09 l.y.)
| Coord 2000 |
16240+6131 |
|
Discov num |
STT 312 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 23 59.51 +61 30 50.7 |
|
| Date first |
1843 |
|
Date last |
2016 |
|
Obs |
77 |
|
| Pa first |
150 |
|
Pa last |
142.3 |
|
P.A. Now (θ) |
142.3° |
|
| Sep first |
4.4 |
|
Sep last |
4.666 |
|
Sep. Now (ρ) |
4.666" |
|
| Mag pri |
2.80 |
|
Mag sec |
8.20 |
|
delta mag (ΔM) |
5.4 |
|
Spectral class |
G8III+K1V (yellow/yellow-orange) |
|
| Pri motion ra |
-016 |
|
Sec motion ra |
-028 |
|
| Pri motion dec |
+057 |
|
Sec motion dec |
+069 |
|
| Notes |
N
Z
(See Notes, Parallax indicates components are physical) |
|
rPM=0.228 (< 0.3, Physical double)
This double is physical.
16240+6131 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Athebyne |
17074 |
16 23 60 +61 30 51 |
STT 312 AB |
2016 |
77 |
142 |
4.7 |
2.80 |
8.20 |
5.40 |
|
<=== |
| Show |
|
17074 |
16 23 60 +61 30 51 |
STT 312 AB,C |
2003 |
6 |
240 |
565.8 |
2.80 |
8.10 |
5.30 |
|
|
| Show |
|
17074 |
16 23 60 +61 30 51 |
BU 9008 AD |
2003 |
3 |
87 |
111.0 |
2.80 |
13.81 |
11.01 |
|
|
| Show |
|
17074 |
16 23 60 +61 30 51 |
SMY 9002 AF |
2020 |
6 |
18 |
362.4 |
2.80 |
11.64 |
8.84 |
|
|
Quintuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Athebyne |
|
Var name |
NSV7713 Dra |
|
Constellation |
Draco |
|
SAO |
17074 |
|
| HIP |
80331 |
|
Tycho2 |
4190-02568-1 |
|
Gaia DR2 |
1625209684868172544 |
|
HD |
148387 |
|
| HR |
6132 |
|
GC |
22101 |
|
ADS |
10058 |
|
GL |
Gl 624.1A |
|
| BD |
BD+61 1591 |
|
Bayer |
Eta Draconis |
|
Bayer name |
Eta Dra |
|
Flamsteed |
14 Draconis |
|
| Flamsteed name |
14 Dra |
|
Distance |
28.23 |
|
Distance ly |
92.09 |
|
Bayer greek |
η Dra |
|
