Co-Artistic Illustration of Co-Spiraling of Earth and Sun: the Trajectory of the Sun and Sirius, and
the Whole Sirius Supercluster, is the same, that is a Co-propagating Helix
Proper Motion spectrum (range of velocities with respect to our Sun) of local stars from the 'Local Association' or 'Pleiades Moving Group', 'Ursa Major Supercluster', 'Hyades Supercluster', 'Castor Moving Group', and 'IC 2391 Supercluster.'
Radial Velocities of Young Moving Groups in the Vicinity of the Sun, from 10 to 50 parsecs
distance, about 30 to 150 lightyears
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What Does This All Mean?
It means that the group velocities of all the local stars with respect to the Sun are about zero to forty kilometers/second. If our 26,000 year
periodicy represents an "annual orbit" of Sirius at about 9 lightyears distance, that means our co-orbital velocity would be about 70 km/sec. If the actual 'annual orbit' period is a 'Great Round' of 250,000 years,
then a velocity of about 8 kilometers per second would suffice.
And eight kilometers per second turns out to be the known/observed 'Radial Velocity" between the Sun and SIrius, established about a hundred years ago.
THIS IS THE TRIG FOR SUN/SIRIUS ORBIT!
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Unedited Notes ...
tracking down the local stellar group information on the web is probably
just a matter of coming up with the correct keywords, astrophysical buzzwords ... here is a blurb I took off the web a year and a half ago ...
"Let's begin at the that place we call home, Mother Earth. The only published information of our region of the interstellar medium (ISM) goes something like this: Stars travel in groups or streams, moving with
the helicoid of fire and ice in the same direction. Our Sun Amaterasu with many other stars travel together in the Canopus Stream. The Ursa
Major Stream contains Sirius A and B, and Ursa Major, Mother Bear (whose tail is the Big Dipper) as well as about 160 other major stars and their companions! Because of their position at the very head or leading edge of this stream, the 'Heavenly Palace' known as Great Mother
Bear actually LEADS the remaining stars on their dancing sojourn in the
Orion Arm of Great GrandMother Amanogawa, our Sagittarius/Milky Way Galaxy!! The third stream, the Hyades Stream, contains the Pleiades and many others. At one location, all three streams intersect ... our GrandMother Sun is located there."
the region surrounding Arcturus, at 37 lightyears distance, to include us in a co-orbital relationship ... would describe a vast volume of stars, a 'cubic' volume of some 100 by 100 by 100 lightyears ... encompassing thousands of star deities ... compared to a 20 by 20 by 20 lightyear region around Sirius including only some hundred or so stellar
deities.
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A CATALOG OF MOVING GROUP CANDIDATES IN THE SOLAR NEIGHBORHOOD
Jingkun Zhao et al 2009 ApJ 692
Jingkun Zhao, Gang Zhao and Yuqin Chen
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
E-mail: gzhao-at-bao.ac.cn.
ABSTRACT. Based on the kernel estimator and wavelet technique, we have identified 22 moving group candidates in the solar neighborhood from a sample which includes around 14,000 dwarfs and 6000 giants. Six of them were previously known as the Hercules stream, the Sirus-UMa stream, the Hyades stream, the Caster group, the Pleiades stream, and the IC 2391; five of them have also been reported by other authors. 11 moving group candidates, not previously reported in the literature, show prominent structures in dwarf or giant samples. A catalog of moving group candidates in the solar neighborhood is presented in this work.
Key words: solar neighborhood; stars: abundances; stars: kinematics
jo.bovy-at-nyu.edu, SIGNIFICANCE OF THE MOVING GROUPS
local standard of rest (LSR), Sam T. Roweis, Google Inc, Mtn View
The Ursa Major Moving Group, also known as Collinder 285, is a nearby stellar moving group, a set of stars with common velocities in space and
thought to have a common origin. Its core is located roughly 80 light years away. It is rich in bright stars including most of the stars of the Big Dipper.
The bright, nearby star Sirius was long believed to be a member of the group, but may not be, according to research in 2003 by Jeremy King et al. at Clemson University. This research seems to indicate that it is too young to be a member.
Our Solar System is in the outskirts of this stream, but is not a member, being about 10 times older. Our Sun merely drifted in along its 250-million-year galactic orbit, and 40 million years ago was nowhere near the Ursa Major group.
In 1909, Ejnar Hertzsprung was the first to suggest that Sirius was a member of the Ursa Major Moving Group, based on his observations of the system's movements across the sky. The Ursa Major Group is a set of 220 stars that share a common motion through space and were once formed as members of an open cluster, which has since become gravitationally unbound.[83] However, analyses in 2003 and 2005 found Sirius's membership in the group to be questionable; the Ursa Major Group has an estimated age of 500±100 million years, while Sirius, with metallicity similar to the Sun's, has an age that is only half this, making it too young to belong to the group.[8][84][85] Sirius may instead be a member of the proposed Sirius Supercluster, along with other scattered stars such as Beta Aurigae, Alpha Coronae Borealis, Beta Crateris, Beta Eridani and Beta Serpentis.[86] This is one of three large clusters located within 500 light-years (32,000,000 AU) of the Sun. The other two
are the Hyades and the Pleiades, and each of these clusters consists of
hundreds of stars.[87]
The Castor Moving Group is a moving group, that is, a set of stars with common velocities in space, thought to have a common origin. The stars that have been identified as part of the group include Castor, Fomalhaut, Vega, α Cephei and α Librae. They are all of similar age
A set of stars with similar space motion and ages is known as a kinematic group.
A stellar association is a very loose star cluster that shares a common origin, but has become gravitationally unbound and are still moving together through space. Associations are primarily identified by their common movement vectors and ages. Identification by chemical composition
is also used to factor in association memberships.
Stellar associations were first discovered by the Armenian astronomer Viktor Ambartsumian in 1947.[16] The conventional name for an association uses the names or abbreviations of the constellation (or constellations) in which they are located; the association type, and, sometimes, a numerical identifier.
If the remnants of a stellar association drifts through the galaxy as a somewhat coherent assemblage, then it is termed a moving group. Moving groups can be old, such as the HR 1614 moving group at 2 billion years, or young, such as the AB Doradus moving group at only 50 million.
Moving groups were studied intensely by Olin Eggen in the 1960s[25] A list of the nearest young moving groups has been compiled by López-Santiago et al.[26] The closest is the Ursa Major Moving Group which includes most of the stars in the Big Dipper asterism at 60° N, but with outliers as far away as Triangulum Australe at 70° S.
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Does our Solar System really orbit Alcyone and the Pleiades cluster? {Short answer, "No, Alcyone's distance is on the order of 10 to 100 times too distant from the Sun for the 26,000 year periodicy ...") http://www.shamballaschool.org/StudyResources/Alcyoneorbit.htm
The orbital movement of the sun around the galactic centre is well documented:
Distance from Galactic Centre 26,000 light years
Galactic Orbital speed 135 miles per sec : (220 km/s) [486,000 mph (780,000 km/hr )]
Orbital period (one revolution): 226,000,000 years
This orbital movement is clearly measureable (by our off world telescopes)
over a relatively short period of time.
The Earth rotates at 1,100 mph
Earth orbits sun at 67,000 mph
Solar system orbits galactic centre at 486,000 mph
Clearly the Sun will orbit around other systems, such as Alcyone. There are two problems with Alcyone however.
(a) Our movement has been measured against the background stars on numerous occasions and scientists have found no trace of such an orbit.
(b) The maths doesn't work. Alcyone is too far from Earth, 400 light years or 125 parsecs.
[2 pi r gives us the radius of such an orbit = 785 parsecs or 2500 light
years.]
If the sun was orbiting Alcyone in 250,000 years (a 'Great Round' of the
Zodiac) it would have to have an orbital speed of 3,142 km/s which is 14 times faster than the sun orbits the galactic centre. This would be readily apparent if it were so. Another way of expressing this is that if the sun Was orbiting Alcyone at the same speed as it goes around the galactic centre ( and if there was such a lesser orbit it would probably
be much slower ) then it would either take 3.5 million years (instead of 250,000) or Alcyone would have to be only 28 light years from earth and not 400.
To orbit Alcyone in 26,000 years, would require a ten times greater velocity of some 30,000 km/sec: ten percent of Vc, the average lightspeed of 300,000 km/sec!
Velocity of Sirius with Respect to the Sun (Radial Velocity) is −7.6 km/s, meaning 7.6 km/sec away from the Sun. For comparison the Earth's orbital velocity of the Sun is 30 km/sec. The velocity of the Sun about the Milky Way is 230 km/sec ... http://biocab.org/Cosmic_Cloud-Solar_System-Milky_Way.jpg
kia ora, Trebha ... Maori blessings. I need to ask around about the observed brightness of Sirius over the last ten or twenty thousands years, from oral traditions and storytelling and other chronicles ... and I haven't had a chance yet to revise the orbital schematic, and algebra, from circular to elliptical orbits to get a much better fit to the reality ...
Sirius is so important and our relationship to her....I am
finding for this time period so much especially that the southern cross,Triangulum Australe,Corona Borealis + many more from the southern hemisphere where visible from this sacred mountain on the summer solstice 10,500 BCE, here in France.....Plus there is a mountain here to
the North-East ... See moreof this spot called Cazopie, which is Cassiopiea and on that day, 10,500BCE this dark lady rose on the summer solstice exactly above this mountain....Plus i have just returned from Ireland where i have been measuring the standing stones,,,,is there anything in Maori history that gives anything special to the North-East????
24 March at 00:34
~~
another round, yet, of algebra to do ... from circular orbit analysis to
elliptical orbit analysis ... and looking to include oral tradition wisdom of 'brightness variations' of Sirius from 10,000 to 20,000 years ago. anyone with any lore or data 'bites' on that wisdom?
Millennium TwainThe TAU (Ta-oo).--The Tau is not only one of the most interesting, but it is one
of the most ancient symbols, as it. is found repeatedly in the oldest writings of the Motherland.It is the symbol of both resurrection and emersion. Emersion is really only a resurrection of land. I know of no country on the face of the ea...rth today that has not been under water several times-thus each time it was emersed it was resurrected.The Tau is the picture of the constellation, the Southern Cross, the most gorgeous group of stars appearing south of the equator. When the Southern Cross appeared at a certain angle over Mu, the rainy season commenced. The parched, dry land responded to the moisture from above. Leaves, flowers and fruit sprang forth upon tree and shrub. Seeds in the
ground, that had been lying dead, germinated and sprang forth into life, enriching the land with golden grain. Mu became the land of plenty. Life had been resurrected ... http://www.sacred-texts.com/atl/ssm/ssm08.htm
Our Co-Orbiting, Co-Rotating, Stellar Family Group ... http://www.facebook.com/photo.php?pid=1192131&id=1187826805#!/group.php?gid=109669179052745&ref=ss ...
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