17557+4626 BAR 43 AB
17h 55m 39.95s +46° 25' 31.8" P.A. 253.00 sep 2.0 mag 10.21,13.30 Sp A5
| Coord 2000 |
17557+4626 |
|
Discov num |
BAR 43 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 55 39.95 +46 25 31.8 |
|
| Date first |
1921 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
78 |
|
Pa last |
253.3 |
|
P.A. Now (θ) |
253.3° |
|
| Sep first |
2.0 |
|
Sep last |
1.955 |
|
Sep. Now (ρ) |
1.955" |
|
| Mag pri |
10.21 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
3.09 |
|
Spectral class |
A5 (white) |
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
-001 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17557+4626 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 55 40 +46 25 32 |
BAR 43 AB |
2016 |
4 |
253 |
2.0 |
10.21 |
13.30 |
3.09 |
|
<=== |
| Show |
|
|
17 55 40 +46 25 32 |
BAR 43 AC |
2015 |
10 |
313 |
33.4 |
10.21 |
11.43 |
1.22 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
3511-00887-1 |
|
Gaia DR2 |
1350737016678700672 |
|