17480+5707 MLB 1077 AC
17h 47m 57.47s +57° 06' 40.0" P.A. 28.00 sep 23.5 mag 9.24,13.90 Sp G5
Coord 2000 |
17480+5707 |
|
Discov num |
MLB1077 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 47 57.47 +57 06 40.0 |
|
Date first |
1918 |
|
Date last |
2016 |
|
Obs |
7 |
|
Pa first |
49 |
|
Pa last |
28.4 |
|
P.A. Now (θ) |
28.4° |
|
Sep first |
18.2 |
|
Sep last |
23.46 |
|
Sep. Now (ρ) |
23.46" |
|
Mag pri |
9.24 |
|
Mag sec |
13.90 |
|
delta mag (ΔM) |
4.66 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+022 |
|
Sec motion ra |
+172 |
|
Pri motion dec |
-082 |
|
Sec motion dec |
+183 |
|
Notes |
|
|
rPM=1.212
This double is not physical.
17480+5707 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 238759 |
30580 |
17 47 57 +57 06 40 |
MLB 1077 AB |
2019 |
14 |
215 |
4.3 |
9.24 |
11.10 |
1.86 |
|
|
Show |
|
30580 |
17 47 57 +57 06 40 |
MLB 1077 AC |
2016 |
7 |
28 |
23.5 |
9.24 |
13.90 |
4.66 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
SAO |
30580 |
|
Tycho2 |
3910-00595-1 |
|
Gaia DR2 |
1421766670423252992 |
|
HD |
238759 |
|