17372+3124 SEI 544 AB
17h 37m 13.86s +31° 23' 58.3" P.A. 276.00 sep 9.7 mag 10.00,11.70
| Coord 2000 |
17372+3124 |
|
Discov num |
SEI 544 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 37 13.86 +31 23 58.3 |
|
| Date first |
1899 |
|
Date last |
2016 |
|
Obs |
16 |
|
| Pa first |
277 |
|
Pa last |
276 |
|
P.A. Now (θ) |
276° |
|
| Sep first |
9.8 |
|
Sep last |
9.707 |
|
Sep. Now (ρ) |
9.707" |
|
| Mag pri |
10.00 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
1.7 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
+006 |
|
| Notes |
|
|
rPM=0.447
Nature of this double is uncertain.
17372+3124 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 37 14 +31 23 58 |
TDT 435 Aa,Ab |
1991 |
1 |
15 |
0.4 |
10.85 |
10.96 |
0.11 |
|
|
| Show |
|
|
17 37 14 +31 23 58 |
SEI 544 AB |
2016 |
16 |
276 |
9.7 |
10.00 |
11.70 |
1.70 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
2606-00992-1 |
|
Gaia DR2 |
4600755605834290432 |
|
