02308+5533 STF 270 AB (HD 15407)
02h 30m 50.65s +55° 32' 54.2" P.A. 305.00 sep 21.3 mag 7.00,9.66 Sp F4V dist. 54.7 pc (178.43 l.y.)
| Coord 2000 |
02308+5533 |
|
Discov num |
STF 270 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 30 50.65 +55 32 54.2 |
|
| Date first |
1829 |
|
Date last |
2016 |
|
Obs |
45 |
|
| Pa first |
302 |
|
Pa last |
304.9 |
|
P.A. Now (θ) |
304.9° |
|
| Sep first |
21.2 |
|
Sep last |
21.267 |
|
Sep. Now (ρ) |
21.267" |
|
| Mag pri |
7.00 |
|
Mag sec |
9.66 |
|
delta mag (ΔM) |
2.66 |
|
Spectral class |
F4V (yellow-white) |
|
| Pri motion ra |
+083 |
|
Sec motion ra |
+083 |
|
| Pri motion dec |
-097 |
|
Sec motion dec |
-094 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.023 (< 0.3, Physical double)
This double is physical.
02308+5533 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 15407 |
23389 |
02 30 51 +55 32 54 |
STF 270 AB |
2016 |
45 |
305 |
21.3 |
7.00 |
9.66 |
2.66 |
|
<=== |
| Show |
|
23389 |
02 30 51 +55 32 54 |
STF 270 AC |
2015 |
13 |
333 |
48.0 |
7.00 |
11.37 |
4.37 |
|
|
| Show |
|
23389 |
02 30 51 +55 32 54 |
STF 270 AD |
2015 |
10 |
281 |
51.1 |
7.00 |
14.20 |
7.20 |
|
|
| Show |
|
|
02 30 49 +55 33 06 |
STF 270 BD |
2015 |
7 |
265 |
32.8 |
9.66 |
14.20 |
4.54 |
|
|
| Show |
|
|
02 30 49 +55 33 06 |
RAO 42 BE |
2015 |
7 |
208 |
16.0 |
9.66 |
14.70 |
5.04 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 15407 |
|
Constellation |
Perseus |
|
SAO |
23389 |
|
HIP |
11696 |
|
| Tycho2 |
3691-00669-1 |
|
Gaia DR2 |
457326850673147264 |
|
HD |
15407 |
|
GC |
2994 |
|
| BD |
BD+54 561 |
|
Distance |
54.7 |
|
Distance ly |
178.43 |
|
