02217+3441 PTT 4 BC
02h 21m 43.70s +34° 41' 13.8" P.A. 148.00 sep 1.8 mag 11.52,11.50
| Coord 2000 |
02217+3441 |
|
Discov num |
PTT 4 |
|
Comp |
BC |
|
Coord arcsec 2000 |
02 21 43.70 +34 41 13.8 |
|
| Date first |
1916 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
150 |
|
Pa last |
148.3 |
|
P.A. Now (θ) |
148.3° |
|
| Sep first |
1.4 |
|
Sep last |
1.831 |
|
Sep. Now (ρ) |
1.831" |
|
| Mag pri |
11.52 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
+017 |
|
Sec motion dec |
+017 |
|
| Notes |
|
|
Nature of this double is uncertain.
02217+3441 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
02 21 45 +34 41 07 |
PTT 4 A,BC |
2013 |
10 |
295 |
15.4 |
10.53 |
11.52 |
0.99 |
|
|
| Show |
|
|
02 21 44 +34 41 14 |
PTT 4 BC |
2016 |
8 |
148 |
1.8 |
11.52 |
11.50 |
0.02 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Triangulum |
|
Tycho2 |
2318-00781-1 |
|
Gaia DR2 |
327673504668539136 |
|
