05247+3723 BU 888 AB (Sig Aur)
05h 24m 39.14s +37° 23' 07.2" P.A. 164.00 sep 8.1 mag 5.16,12.00 Sp K3III dist. 143.27 pc (467.35 l.y.)
| Coord 2000 |
05247+3723 |
|
Discov num |
BU 888 |
|
Comp |
AB |
|
Coord arcsec 2000 |
05 24 39.14 +37 23 07.2 |
|
| Date first |
1880 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
171 |
|
Pa last |
164.4 |
|
P.A. Now (θ) |
164.4° |
|
| Sep first |
7.9 |
|
Sep last |
8.11 |
|
Sep. Now (ρ) |
8.11" |
|
| Mag pri |
5.16 |
|
Mag sec |
12.00 |
|
delta mag (ΔM) |
6.84 |
|
Spectral class |
K3III (yellow-orange) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-012 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
05247+3723 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Sig Aur |
57981 |
05 24 39 +37 23 07 |
BU 888 AB |
2016 |
8 |
164 |
8.1 |
5.16 |
12.00 |
6.84 |
|
<=== |
| Show |
|
57981 |
05 24 39 +37 23 07 |
BU 888 AC |
2016 |
8 |
334 |
27.9 |
5.16 |
13.40 |
8.24 |
|
|
| Show |
|
57981 |
05 24 39 +37 23 07 |
BU 888 AD |
2016 |
2 |
336 |
35.2 |
5.16 |
15.20 |
10.04 |
|
|
| Show |
|
|
05 24 39 +37 23 01 |
BU 888 BC |
2016 |
2 |
336 |
35.8 |
12.00 |
13.40 |
1.40 |
|
|
| Show |
|
|
05 24 39 +37 23 01 |
BU 888 BD |
2016 |
2 |
338 |
43.1 |
12.00 |
15.20 |
3.20 |
|
|
| Show |
|
|
05 24 38 +37 23 32 |
BU 888 CD |
2016 |
9 |
345 |
7.4 |
13.40 |
15.20 |
1.80 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Sig Aur |
|
Constellation |
Auriga |
|
SAO |
57981 |
|
HIP |
25292 |
|
| Tycho2 |
2415-01779-1 |
|
Gaia DR2 |
184433149893809024 |
|
HD |
35186 |
|
HR |
1773 |
|
| GC |
6636 |
|
ADS |
3984 |
|
BD |
BD+37 1175 |
|
Bayer |
Sigma Aurigae |
|
| Bayer name |
Sig Aur |
|
Flamsteed |
21 Aurigae |
|
Flamsteed name |
21 Aur |
|
Distance |
143.27 |
|
| Distance ly |
467.35 |
|
Bayer greek |
σ Aur |
|
