01531+2935 BUP 27 AC
01h 53m 04.91s +29° 34' 43.8" P.A. 183.00 sep 198.5 mag 3.46,12.87 Sp F6IV dist. 19.42 pc (63.35 l.y.)
Coord 2000 |
01531+2935 |
|
Discov num |
BUP 27 |
|
Comp |
AC |
|
Coord arcsec 2000 |
01 53 04.91 +29 34 43.8 |
|
Date first |
1879 |
|
Date last |
2012 |
|
Obs |
6 |
|
Pa first |
182 |
|
Pa last |
182.9 |
|
P.A. Now (θ) |
182.9° |
|
Sep first |
228.3 |
|
Sep last |
198.471 |
|
Sep. Now (ρ) |
198.471" |
|
Mag pri |
3.46 |
|
Mag sec |
12.87 |
|
delta mag (ΔM) |
9.41 |
|
Spectral class |
F6IV (yellow-white) |
|
Pri motion ra |
+011 |
|
Sec motion ra |
+007 |
|
Pri motion dec |
-234 |
|
Sec motion dec |
+001 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=1.003
This double is not physical.
01531+2935 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
74996 |
01 53 05 +29 34 44 |
BUP 27 AB |
2010 |
5 |
319 |
100.2 |
3.46 |
13.27 |
9.81 |
|
|
Show |
|
74996 |
01 53 05 +29 34 44 |
BUP 27 AC |
2012 |
6 |
183 |
198.5 |
3.46 |
12.87 |
9.41 |
|
<=== |
Show |
Mothallah |
74996 |
01 53 05 +29 34 44 |
BUP 27 AD |
2012 |
8 |
172 |
277.2 |
3.46 |
10.99 |
7.53 |
|
|
Show |
|
74996 |
01 53 05 +29 34 44 |
DAL 51 AE |
2010 |
4 |
340 |
146.7 |
3.46 |
12.35 |
8.89 |
|
|
Show |
|
74996 |
01 53 05 +29 34 44 |
DAL 51 AF |
2010 |
3 |
148 |
229.5 |
3.46 |
14.22 |
10.76 |
|
|
Show |
|
|
01 53 15 +29 31 25 |
DAL 51 FG |
2015 |
8 |
314 |
12.6 |
14.22 |
16.40 |
2.18 |
|
|
Septuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Common name |
Mothallah |
|
Constellation |
Triangulum |
|
SAO |
74996 |
|
HIP |
8796 |
|
Tycho2 |
1763-03028-1 |
|
Gaia DR2 |
299464296906886016 |
|
HD |
11443 |
|
HR |
544 |
|
GC |
2272 |
|
GL |
Gl 78.1 |
|
BD |
BD+28 312 |
|
Bayer |
Alpha Trianguli |
|
Bayer name |
Alp Tri |
|
Flamsteed |
2 Trianguli |
|
Flamsteed name |
2 Tri |
|
FK5 |
64 |
|
Distance |
19.42 |
|
Distance ly |
63.35 |
|
Bayer greek |
α Tri |
|
Other names |
Ras al Muthallah, Ras al Mothallah, Caput Trianguli, Rasalmudallah, Metallah, Atria |
|
Meaning |
the apex of the triangle |
|