02543+5246 EDG 1 AB (Tau Per)
02h 54m 15.46s +52° 45' 45.0" P.A. 107.00 sep 51.0 mag 3.95,12.28 Sp G4III+A4V dist. 77.94 pc (254.24 l.y.)
Coord 2000 |
02543+5246 |
|
Discov num |
EDG 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 54 15.46 +52 45 45.0 |
|
Date first |
1878 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
109 |
|
Pa last |
107.1 |
|
P.A. Now (θ) |
107.1° |
|
Sep first |
47.3 |
|
Sep last |
50.997 |
|
Sep. Now (ρ) |
50.997" |
|
Mag pri |
3.95 |
|
Mag sec |
12.28 |
|
delta mag (ΔM) |
8.33 |
|
Spectral class |
G4III+A4V (yellow/white) |
|
Pri motion ra |
-001 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-001 |
|
Notes |
N
(See Notes) |
|
rPM=1.029
This double is not physical.
02543+5246 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
23685 |
02 54 15 +52 45 45 |
LAB 1 Aa,Ab |
2010 |
13 |
277 |
0.1 |
4.20 |
5.90 |
1.70 |
Y |
|
Show |
Tau Per |
23685 |
02 54 15 +52 45 45 |
EDG 1 AB |
2015 |
9 |
107 |
51.0 |
3.95 |
12.28 |
8.33 |
|
<=== |
Show |
|
23685 |
02 54 15 +52 45 45 |
BU 1376 AC |
2014 |
5 |
107 |
50.9 |
3.95 |
12.70 |
8.75 |
|
|
Show |
|
23685 |
02 54 15 +52 45 45 |
BU 1376 AD |
2015 |
4 |
338 |
41.9 |
3.95 |
11.50 |
7.55 |
|
|
Show |
|
|
02 54 21 +52 45 30 |
BU 1376 BC |
2009 |
7 |
86 |
4.2 |
12.28 |
12.70 |
0.42 |
|
|
Quintuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
Tau Per |
|
Constellation |
Perseus |
|
SAO |
23685 |
|
HIP |
13531 |
|
Tycho2 |
3701-01394-1 |
|
Gaia DR2 |
441161693272720640 |
|
HD |
17878 |
|
HR |
854 |
|
GC |
3462 |
|
ADS |
2202 |
|
BD |
BD+52 641 |
|
Bayer |
Tau Persei |
|
Bayer name |
Tau Per |
|
Flamsteed |
18 Persei |
|
Flamsteed name |
18 Per |
|
FK5 |
103 |
|
Distance |
77.94 |
|
Distance ly |
254.24 |
|
Bayer greek |
τ Per |
|