17488+2918 TDS 884 AB
17h 48m 50.77s +29° 17' 42.2" P.A. 126.00 sep 1.2 mag 11.59,11.80
| Coord 2000 |
17488+2918 |
|
Discov num |
TDS 884 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 48 50.77 +29 17 42.2 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
127 |
|
Pa last |
125.7 |
|
P.A. Now (θ) |
125.7° |
|
| Sep first |
1.2 |
|
Sep last |
1.171 |
|
Sep. Now (ρ) |
1.171" |
|
| Mag pri |
11.59 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+009 |
|
Sec motion dec |
+009 |
|
| Notes |
|
|
Nature of this double is uncertain.
17488+2918 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 48 51 +29 17 42 |
TDS 884 AB |
2016 |
4 |
126 |
1.2 |
11.59 |
11.80 |
0.21 |
|
<=== |
| Show |
|
|
17 48 51 +29 17 42 |
SCA 204 AB,C |
2021 |
1 |
92 |
1.6 |
10.90 |
12.80 |
1.90 |
|
|
| Show |
|
|
17 48 51 +29 17 42 |
SCA 204 AB,D |
2021 |
1 |
47 |
0.9 |
10.90 |
13.30 |
2.40 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2089-00328-1 |
|
