08495+0852 BU 1068 AB (HD 75300)
08h 49m 29.13s +08° 51' 52.8" P.A. 321.00 sep 0.4 mag 8.07,9.35 Sp A5 dist. 151.06 pc (492.76 l.y.)
Coord 2000 |
08495+0852 |
|
Discov num |
BU 1068 |
|
Comp |
AB |
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Coord arcsec 2000 |
08 49 29.13 +08 51 52.8 |
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Date first |
1889 |
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Date last |
2012 |
|
Obs |
30 |
|
Pa first |
190 |
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Pa last |
321.1 |
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P.A. Now (θ) |
321.1° |
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Sep first |
0.5 |
|
Sep last |
0.376 |
|
Sep. Now (ρ) |
0.376" |
|
Mag pri |
8.07 |
|
Mag sec |
9.35 |
|
delta mag (ΔM) |
1.28 |
|
Spectral class |
A5 (white) |
|
Pri motion ra |
-023 |
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Sec motion ra |
|
|
Pri motion dec |
+001 |
|
Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
08495+0852 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 75300 |
117168 |
08 49 29 +08 51 53 |
BU 1068 AB |
2012 |
30 |
321 |
0.4 |
8.07 |
9.35 |
1.28 |
Y |
<=== |
Show |
|
117168 |
08 49 29 +08 51 53 |
BU 1068 AB,C |
2015 |
10 |
313 |
17.7 |
7.41 |
12.80 |
5.39 |
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 75300 |
|
Constellation |
Cancer |
|
SAO |
117168 |
|
HIP |
43317 |
|
Tycho2 |
0810-01779-1 |
|
Gaia DR2 |
597202047024873216 |
|
HD |
75300 |
|
ADS |
7021 |
|
BD |
BD+09 2063 |
|
Distance |
151.06 |
|
Distance ly |
492.76 |
|
ORBITAL ELEMENTS
Period (P) | 416y | |
Periastron (T) | 1964.4y | |
Semi-major axis (a) | 0.448a | |
Eccentricity (e) | 0.608 | |
Inclination (i) | 128.1° | |
Longitude of periastron (ω) | 82.1° | |
Node (Ω) | 151.7° | |
Notes | | |
Reference | Hrt2010a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
330.1 |
0.317 |
2001 |
329.3 |
0.322 |
2002 |
328.5 |
0.327 |
2003 |
327.7 |
0.331 |
2004 |
326.9 |
0.336 |
2005 |
326.2 |
0.340 |
2006 |
325.4 |
0.344 |
2007 |
324.7 |
0.348 |
2008 |
324.0 |
0.352 |
2009 |
323.4 |
0.356 |
2010 |
322.7 |
0.360 |
2011 |
322.0 |
0.364 |
2012 |
321.4 |
0.367 |
2013 |
320.8 |
0.371 |
2014 |
320.2 |
0.374 |
2015 |
319.6 |
0.377 |
2016 |
319.0 |
0.380 |
2017 |
318.4 |
0.384 |
2018 |
317.8 |
0.387 |
2019 |
317.2 |
0.390 |
2020 |
316.7 |
0.392 |
2021 |
316.1 |
0.395 |
2022 |
315.6 |
0.398 |
2023 |
315.1 |
0.400 |
2024 |
314.5 |
0.403 |
2025 |
314.0 |
0.406 |
2026 |
313.5 |
0.408 |
2027 |
313.0 |
0.410 |
2028 |
312.5 |
0.413 |
2029 |
312.0 |
0.415 |
2030 |
311.5 |
0.417 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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