18204+2423 TDT 805 Aa,Ab
18h 20m 22.55s +24° 23' 03.6" P.A. 235.00 sep 0.9 mag 11.59,11.76
| Coord 2000 |
18204+2423 |
|
Discov num |
TDT 805 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 20 22.55 +24 23 03.6 |
|
| Date first |
1991 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
246 |
|
Pa last |
234.9 |
|
P.A. Now (θ) |
234.9° |
|
| Sep first |
1.4 |
|
Sep last |
0.941 |
|
Sep. Now (ρ) |
0.941" |
|
| Mag pri |
11.59 |
|
Mag sec |
11.76 |
|
delta mag (ΔM) |
0.17 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
Nature of this double is uncertain.
18204+2423 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 20 23 +24 23 04 |
TDT 805 Aa,Ab |
2015 |
5 |
235 |
0.9 |
11.59 |
11.76 |
0.17 |
|
<=== |
| Show |
HD 335973 |
|
18 20 23 +24 23 04 |
POU 3388 AB |
2018 |
16 |
57 |
14.6 |
11.59 |
11.24 |
0.35 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2097-01316-1 |
|
Gaia DR2 |
4578629755389560832 |
|
