04287+1552 BPMA 7 BC
04h 28m 34.43s +15° 57' 44.0" P.A. 75.00 sep 268.3 mag 3.84,11.96 Sp K0IIIb dist. 47.33 pc (154.39 l.y.)
Coord 2000 |
04287+1552 |
|
Discov num |
BPMA 7 |
|
Comp |
BC |
|
Coord arcsec 2000 |
04 28 34.43 +15 57 44.0 |
|
Date first |
1996 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
75 |
|
Pa last |
74.9 |
|
P.A. Now (θ) |
74.9° |
|
Sep first |
268.4 |
|
Sep last |
268.26 |
|
Sep. Now (ρ) |
268.26" |
|
Mag pri |
3.84 |
|
Mag sec |
11.96 |
|
delta mag (ΔM) |
8.12 |
|
Spectral class |
K0IIIb (yellow-orange) |
|
Pri motion ra |
+105 |
|
Sec motion ra |
+110 |
|
Pri motion dec |
-015 |
|
Sec motion dec |
-027 |
|
Notes |
N
T
(See Notes, Parallax indicates physical) |
|
rPM=0.115 (< 0.3, Physical double)
This double is physical.
04287+1552 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
93957 |
04 28 40 +15 52 15 |
MKT 13 Aa,Ab |
1998 |
34 |
334 |
0.0 |
3.74 |
4.86 |
1.12 |
Y |
|
Show |
Chamukuy |
93957 |
04 28 40 +15 52 15 |
STFA 10 AB |
2019 |
46 |
347 |
336.9 |
3.41 |
3.94 |
0.53 |
|
|
Show |
|
93955 |
04 28 34 +15 57 44 |
MCA 15 Ba,Bb |
2020 |
51 |
351 |
0.2 |
3.84 |
7.30 |
3.46 |
Y |
|
Show |
|
93955 |
04 28 34 +15 57 44 |
BPMA 7 BC |
2015 |
7 |
75 |
268.3 |
3.84 |
11.96 |
8.12 |
|
<=== |
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
SAO |
93955 |
|
HIP |
20885 |
|
Tycho2 |
1265-01170-1 |
|
Gaia DR2 |
3312748824191278208 |
|
HD |
28307 |
|
HR |
1411 |
|
GC |
5433 |
|
BD |
BD+15 631 |
|
Bayer |
Theta 1 Tauri |
|
Bayer name |
The1 Tau |
|
Flamsteed |
77 Tauri |
|
Flamsteed name |
77 Tau |
|
Distance |
47.33 |
|
Distance ly |
154.39 |
|
Bayer greek |
θ1 Tau |
|