01576+3134 BAR 21 BC
01h 57m 33.02s +31° 33' 58.7" P.A. 253.00 sep 2.3 mag 11.90,15.90
| Coord 2000 |
01576+3134 |
|
Discov num |
BAR 21 |
|
Comp |
BC |
|
Coord arcsec 2000 |
01 57 33.02 +31 33 58.7 |
|
| Date first |
1915 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
259 |
|
Pa last |
253.4 |
|
P.A. Now (θ) |
253.4° |
|
| Sep first |
2.0 |
|
Sep last |
2.342 |
|
Sep. Now (ρ) |
2.342" |
|
| Mag pri |
11.90 |
|
Mag sec |
15.90 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-021 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
01576+3134 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
01 57 33 +31 34 10 |
STF 187 AB |
2015 |
9 |
189 |
10.9 |
9.68 |
11.90 |
2.22 |
|
|
| Show |
|
|
01 57 33 +31 34 10 |
BAR 21 AD |
2015 |
9 |
244 |
19.8 |
9.68 |
15.50 |
5.82 |
|
|
| Show |
|
|
01 57 33 +31 33 59 |
BAR 21 BC |
2016 |
4 |
253 |
2.3 |
11.90 |
15.90 |
4.00 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Triangulum |
|
Gaia DR2 |
304561731597794688 |
|
