00521+1036 STF 67 (HD 4936)
00h 52m 07.59s +10° 36' 03.7" P.A. 349.00 sep 2.3 mag 8.98,9.56 Sp F8 dist. 98.62 pc (321.7 l.y.)
Coord 2000 |
00521+1036 |
|
Discov num |
STF 67 |
|
Comp |
|
|
Coord arcsec 2000 |
00 52 07.59 +10 36 03.7 |
|
Date first |
1829 |
|
Date last |
2018 |
|
Obs |
113 |
|
Pa first |
14 |
|
Pa last |
348.9 |
|
P.A. Now (θ) |
348.9° |
|
Sep first |
1.7 |
|
Sep last |
2.311 |
|
Sep. Now (ρ) |
2.311" |
|
Mag pri |
8.98 |
|
Mag sec |
9.56 |
|
delta mag (ΔM) |
0.58 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
+043 |
|
Sec motion ra |
+043 |
|
Pri motion dec |
-033 |
|
Sec motion dec |
-033 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 4936 |
|
Constellation |
Pisces |
|
SAO |
92126 |
|
HIP |
4065 |
|
Tycho2 |
0608-00938-1 |
|
Gaia DR2 |
2582605066775095808 |
|
HD |
4936 |
|
GC |
1036 |
|
ADS |
709 |
|
BD |
BD+09 99 |
|
Distance |
98.62 |
|
Distance ly |
321.7 |
|
ORBITAL ELEMENTS
Period (P) | 41.33c | ± 53.88 |
Periastron (T) | 1741y | ± 54 |
Semi-major axis (a) | 5.982a | ± 0.085 |
Eccentricity (e) | 0.908 | ± 0.078 |
Inclination (i) | 113.3° | ± 11.3 |
Longitude of periastron (ω) | 102° | ± 11.5 |
Node (Ω) | 216° | ± 25 |
Notes | | |
Reference | Hrt2011a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
351.0 |
2.242 |
2001 |
350.9 |
2.245 |
2002 |
350.8 |
2.247 |
2003 |
350.7 |
2.250 |
2004 |
350.6 |
2.253 |
2005 |
350.5 |
2.256 |
2006 |
350.4 |
2.258 |
2007 |
350.3 |
2.261 |
2008 |
350.2 |
2.264 |
2009 |
350.1 |
2.266 |
2010 |
350.0 |
2.269 |
2011 |
349.9 |
2.272 |
2012 |
349.8 |
2.274 |
2013 |
349.7 |
2.277 |
2014 |
349.6 |
2.280 |
2015 |
349.5 |
2.282 |
2016 |
349.4 |
2.285 |
2017 |
349.3 |
2.288 |
2018 |
349.2 |
2.290 |
2019 |
349.1 |
2.293 |
2020 |
349.0 |
2.296 |
2021 |
348.9 |
2.298 |
2022 |
348.8 |
2.301 |
2023 |
348.7 |
2.303 |
2024 |
348.6 |
2.306 |
2025 |
348.5 |
2.309 |
2026 |
348.4 |
2.311 |
2027 |
348.3 |
2.314 |
2028 |
348.2 |
2.316 |
2029 |
348.2 |
2.319 |
2030 |
348.1 |
2.321 |
|
|

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|

Measures: green=micrometric, blue=interferometric, purple=photographic |
|