00214+6700 STT 6 AB (HD 1658)
00h 21m 22.17s +67° 00' 19.5" P.A. 153.00 sep 0.7 mag 7.54,8.77 Sp B8.5V dist. 165.56 pc (540.06 l.y.)
| Coord 2000 |
00214+6700 |
|
Discov num |
STT 6 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 21 22.17 +67 00 19.5 |
|
| Date first |
1843 |
|
Date last |
2021 |
|
Obs |
78 |
|
| Pa first |
137 |
|
Pa last |
152.9 |
|
P.A. Now (θ) |
152.9° |
|
| Sep first |
0.6 |
|
Sep last |
0.738 |
|
Sep. Now (ρ) |
0.738" |
|
| Mag pri |
7.54 |
|
Mag sec |
8.77 |
|
delta mag (ΔM) |
1.23 |
|
Spectral class |
B8.5V (blue-white) |
|
| Pri motion ra |
+025 |
|
Sec motion ra |
+025 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
+000 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
00214+6700 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 1658 |
11128 |
00 21 22 +67 00 20 |
STT 6 AB |
2021 |
78 |
153 |
0.7 |
7.54 |
8.77 |
1.23 |
Y |
<=== |
| Show |
|
11128 |
00 21 22 +67 00 20 |
STF 26 AB,C |
2020 |
42 |
115 |
13.1 |
7.54 |
9.92 |
2.38 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 1658 |
|
Constellation |
Cepheus |
|
SAO |
11128 |
|
HIP |
1700 |
|
| Tycho2 |
4027-00522-1 |
|
Gaia DR2 |
528650348895302144 |
|
HD |
1658 |
|
ADS |
293 |
|
| BD |
BD+66 20 |
|
Distance |
165.56 |
|
Distance ly |
540.06 |
|
ORBITAL ELEMENTS
| Period (P) | 335.385y | |
Periastron (T) | 1928.76y | |
Semi-major axis (a) | 0.3935a | |
| Eccentricity (e) | 0.9424 | |
Inclination (i) | 128.3° | |
Longitude of periastron (ω) | 182.7° | |
| Node (Ω) | 149° | |
Notes | n | |
Reference | Ole2001 | |
| Equinox | | |
Last observation | 1997 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
154.1 |
0.587 |
| 2001 |
154.0 |
0.591 |
| 2002 |
153.9 |
0.595 |
| 2003 |
153.8 |
0.599 |
| 2004 |
153.7 |
0.603 |
| 2005 |
153.6 |
0.607 |
| 2006 |
153.5 |
0.610 |
| 2007 |
153.4 |
0.614 |
| 2008 |
153.3 |
0.618 |
| 2009 |
153.2 |
0.621 |
| 2010 |
153.1 |
0.625 |
| 2011 |
153.1 |
0.628 |
| 2012 |
153.0 |
0.632 |
| 2013 |
152.9 |
0.635 |
| 2014 |
152.8 |
0.638 |
| 2015 |
152.7 |
0.642 |
| 2016 |
152.6 |
0.645 |
| 2017 |
152.5 |
0.648 |
| 2018 |
152.5 |
0.651 |
| 2019 |
152.4 |
0.654 |
| 2020 |
152.3 |
0.657 |
| 2021 |
152.2 |
0.660 |
| 2022 |
152.1 |
0.663 |
| 2023 |
152.1 |
0.666 |
| 2024 |
152.0 |
0.669 |
| 2025 |
151.9 |
0.671 |
| 2026 |
151.8 |
0.674 |
| 2027 |
151.8 |
0.677 |
| 2028 |
151.7 |
0.679 |
| 2029 |
151.6 |
0.682 |
| 2030 |
151.5 |
0.684 |
| 2031 |
151.5 |
0.687 |
| 2032 |
151.4 |
0.689 |
| 2033 |
151.3 |
0.692 |
| 2034 |
151.3 |
0.694 |
| 2035 |
151.2 |
0.696 |
| 2036 |
151.1 |
0.699 |
| 2037 |
151.0 |
0.701 |
| 2038 |
151.0 |
0.703 |
| 2039 |
150.9 |
0.705 |
| 2040 |
150.8 |
0.707 |
| 2041 |
150.8 |
0.710 |
| 2042 |
150.7 |
0.712 |
| 2043 |
150.6 |
0.714 |
| 2044 |
150.6 |
0.715 |
| 2045 |
150.5 |
0.717 |
| 2046 |
150.4 |
0.719 |
| 2047 |
150.4 |
0.721 |
| 2048 |
150.3 |
0.723 |
| 2049 |
150.2 |
0.725 |
| 2050 |
150.2 |
0.726 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
