18512+5923 STF 2420 AC
18h 51m 12.01s +59° 23' 17.8" P.A. 324.00 sep 141.3 mag 4.77,12.67 Sp G7III-IV dist. 104.82 pc (341.92 l.y.)
Coord 2000 |
18512+5923 |
|
Discov num |
STF2420 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 51 12.01 +59 23 17.8 |
|
Date first |
1960 |
|
Date last |
2014 |
|
Obs |
4 |
|
Pa first |
326 |
|
Pa last |
323.7 |
|
P.A. Now (θ) |
323.7° |
|
Sep first |
139.4 |
|
Sep last |
141.267 |
|
Sep. Now (ρ) |
141.267" |
|
Mag pri |
4.77 |
|
Mag sec |
12.67 |
|
delta mag (ΔM) |
7.9 |
|
Spectral class |
G7III-IV (yellow) |
|
Pri motion ra |
+078 |
|
Sec motion ra |
+000 |
|
Pri motion dec |
+025 |
|
Sec motion dec |
-003 |
|
Notes |
N
(See Notes) |
|
rPM=1.012
This double is not physical.
18512+5923 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
31218 |
18 51 12 +59 23 18 |
CIA 8 Aa,Ab |
2014 |
6 |
202 |
0.0 |
4.77 |
11.00 |
6.23 |
Y |
|
Show |
Omi Dra |
31218 |
18 51 12 +59 23 18 |
STF 2420 AB |
2019 |
94 |
316 |
37.6 |
4.77 |
8.26 |
3.49 |
|
|
Show |
|
31218 |
18 51 12 +59 23 18 |
STF 2420 AC |
2014 |
4 |
324 |
141.3 |
4.77 |
12.67 |
7.90 |
|
<=== |
Show |
|
|
18 51 09 +59 23 46 |
STF 2420 BC |
2015 |
9 |
326 |
103.5 |
8.26 |
12.67 |
4.41 |
|
|
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
SAO |
31218 |
|
HIP |
92512 |
|
Tycho2 |
3930-01790-1 |
|
Gaia DR2 |
2156134953382133632 |
|
HD |
175306 |
|
HR |
7125 |
|
GC |
25905 |
|
ADS |
11779 |
|
BD |
BD+59 1925 |
|
Bayer |
Omicron Draconis |
|
Bayer name |
Omi Dra |
|
Flamsteed |
47 Draconis |
|
Flamsteed name |
47 Dra |
|
FK5 |
707 |
|
Distance |
104.82 |
|
Distance ly |
341.92 |
|
Bayer greek |
ο Dra |
|