20591+0418 STF 2737 BC
20h 59m 04.46s +04° 17' 36.6" P.A. 66.00 sep 10.6 mag 6.31,7.05 Sp F6IV dist. 54.08 pc (176.41 l.y.)
Coord 2000 |
20591+0418 |
|
Discov num |
STF2737 |
|
Comp |
BC |
|
Coord arcsec 2000 |
20 59 04.46 +04 17 36.6 |
|
Date first |
1780 |
|
Date last |
2019 |
|
Obs |
19 |
|
Pa first |
84 |
|
Pa last |
65.6 |
|
P.A. Now (θ) |
65.6° |
|
Sep first |
9.4 |
|
Sep last |
10.578 |
|
Sep. Now (ρ) |
10.578" |
|
Mag pri |
6.31 |
|
Mag sec |
7.05 |
|
delta mag (ΔM) |
0.74 |
|
Spectral class |
F6IV (yellow-white) |
|
Pri motion ra |
-113 |
|
Sec motion ra |
-113 |
|
Pri motion dec |
-150 |
|
Sec motion dec |
-150 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
This double is physical.
20591+0418 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
126428 |
20 59 05 +04 17 38 |
STF 2737 AB |
2021 |
487 |
125 |
0.0 |
5.96 |
6.31 |
0.35 |
Y |
|
Show |
Eps Equ |
126428 |
20 59 05 +04 17 38 |
STF 2737 AB,C |
2019 |
306 |
67 |
10.6 |
5.30 |
7.05 |
1.75 |
|
|
Show |
|
126428 |
20 59 05 +04 17 38 |
STF 2737 AD |
2013 |
4 |
293 |
69.3 |
5.96 |
13.10 |
7.14 |
|
|
Show |
|
126428 |
20 59 04 +04 17 37 |
STF 2737 BC |
2019 |
19 |
66 |
10.6 |
6.31 |
7.05 |
0.74 |
|
<=== |
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Equuleus |
|
SAO |
126428 |
|
HIP |
103569 |
|
Tycho2 |
0521-02814-2 |
|
HD |
199766 |
|
HR |
8034 |
|
GC |
29276 |
|
ADS |
14499 |
|
BD |
BD+03 4473 |
|
Bayer |
Epsilon Equulei |
|
Bayer name |
Eps Equ |
|
Flamsteed |
1 Equulei |
|
Flamsteed name |
1 Equ |
|
Distance |
54.08 |
|
Distance ly |
176.41 |
|
Bayer greek |
ε Equ |
|