Posts by symaski62

by symaski62
15.03.2018, 13:54
Forum: Physics and Astronomy
Topic: TRAPPIST-1 system: 7 Earth-sized planets
Replies: 37
Views: 7486

Re: TRAPPIST-1 system: 7 Earth-sized planets

https://arxiv.org/abs/1803.04543 Possible Bright Starspots on TRAPPIST-1 The M8V star TRAPPIST-1 hosts seven roughly Earth-sized planets and is a promising target for exoplanet characterization. Kepler/K2 Campaign 12 observations of TRAPPIST-1 in the optical show an apparent rotational modulation wi...
by symaski62
09.01.2018, 02:50
Forum: Physics and Astronomy
Topic: TRAPPIST-1 system: 7 Earth-sized planets
Replies: 37
Views: 7486

Re: TRAPPIST-1 system: 7 Earth-sized planets

https://arxiv.org/abs/1801.02554 Early 2017 observations of TRAPPIST-1 with Spitzer To further advance our understanding of these planets' compositions, energy budgets, and dynamics, we are carrying out an intensive photometric monitoring campaign of their transits with the Spitzer Space Telescope. ...
by symaski62
08.12.2017, 21:51
Forum: Physics and Astronomy
Topic: earth trojan L4 "asteroid 2010 TK7"
Replies: 3
Views: 3388

Re: earth trojan L4 "asteroid 2010 TK7"

https://arxiv.org/abs/1712.02189 Dynamics of "jumping" Trojans: perturbative treatment The term "jumping" Trojan was introduced by Tsiganis et al. (2000) in their studies of long-term dynamics exhibited by the asteroid (1868) Thersites, which had been observed to jump from librat...
by symaski62
26.10.2017, 10:46
Forum: Physics and Astronomy
Topic: TRAPPIST-1 system: 7 Earth-sized planets
Replies: 37
Views: 7486

Re: TRAPPIST-1 system: 7 Earth-sized planets

https://arxiv.org/abs/1710.08761

Magma oceans and enhanced volcanism on TRAPPIST-1 planets due to induction heating

:wink:
by symaski62
17.04.2017, 20:41
Forum: Physics and Astronomy
Topic: sagitterius A
Replies: 0
Views: 1468

sagitterius A

http://forum.celestialmatters.org/viewtopic.php?f=2&t=901 :wink: sagitterius_A.stc "sgr A:Sagittarius A" { RA 266.404167 Dec -28.936111 Distance 27720.000000 AppMag 25 SpectralType "?" Radius 44000000 #black Hole (63 R_sun) mass 4060000 #M_Sun } Barycenter "Sagittarius A...
by symaski62
10.04.2017, 09:09
Forum: Physics and Astronomy
Topic: TRAPPIST-1 system: 7 Earth-sized planets
Replies: 37
Views: 7486

Re: TRAPPIST-1 system: 7 Earth-sized planets

https://arxiv.org/abs/1704.02261 Plausible Compositions of the Seven TRAPPIST-1 Planets Using Long-term Dynamical Simulations TRAPPIST-1 is a nearby ultra-cool dwarf that is host to a remarkable planetary system consisting of seven transiting planets. Here we perform many thousands of N-body dynamic...
by symaski62
19.03.2017, 14:05
Forum: Physics and Astronomy
Topic: TRAPPIST-1 system: 7 Earth-sized planets
Replies: 37
Views: 7486

Re: TRAPPIST-1 system: 7 Earth-sized planets

https://arxiv.org/abs/1703.04166 36 pages 18.764 days 0.715 Earth radii SemiMajorAxis 0.059 Epoch 2457662.55482 "h" "TRAPPIST-1" { Radius 4555 # radius of 0.715 Earth radii Mass 0.377359 # from mass-radius relationship Texture "asteroid.*" EllipticalOrbit { SemiMajorAxi...
by symaski62
05.03.2017, 18:57
Forum: Development
Topic: Celestia 1.7.0 Development will begin soon
Replies: 87
Views: 23128

Re: Celestia 1.7.0 Development will begin soon

# -- R G B {0-1}, normalized, mapped to gamut, logrithmic # (sRGB primaries and gamma correction) # sRGB D65 whitepoint replaced with a D58 [0.3281, 0.3392] # # -- r g b {0-255} # # -- sun Spectral classification G2V (5777k) 2 deg (yellow) R G B R G B DR65 => 1.0000 0.8836 0.8000 255 241 231 (5800k)...
by symaski62
05.03.2017, 01:42
Forum: Development
Topic: Celestia 1.7.0 Development will begin soon
Replies: 87
Views: 23128

Re: Celestia 1.7.0 Development will begin soon

http://www.vendian.org/mncharity/dir3/blackbody/ Update (2016-Mar-30) : For most applications where a human is looking at a screen, and thus judging colors against screen white, a nonstandard but white D58 whitepoint is preferable to a standard but bluish D65 whitepoint. ancien Blackbody color dataf...
by symaski62
03.03.2017, 00:55
Forum: Help Central
Topic: glitch: "point" stars appear as squares
Replies: 2
Views: 795

Re: glitch: "point" stars appear as squares

TiberiusGracchu

Ctrl + V => OpenGL graphics driver
by symaski62
03.03.2017, 00:50
Forum: Development
Topic: Celestia 1.7.0 Development will begin soon
Replies: 87
Views: 23128

Re: Celestia 1.7.0 Development will begin soon

Alexell yes SVN celestia 1.7.0 developement ?

:wink:
by symaski62
28.02.2017, 01:21
Forum: Development
Topic: Celestia 1.7.0 Development will begin soon
Replies: 87
Views: 23128

Re: Celestia 1.7.0 Development will begin soon

celestia 5213.exe (09/08/2012)
celestia-newstar-neworbit.exe (09/08/2012)

SVN 5213 (bêta)

-------------

celestia.exe (09/07/2009)

(jj/mm/aaaa)


:think: SVN 52xx ?
by symaski62
23.02.2017, 20:52
Forum: Physics and Astronomy
Topic: TRAPPIST-1 system: 7 Earth-sized planets
Replies: 37
Views: 7486

Re: TRAPPIST-1 system: 7 Earth-sized planets

:wink: stc "TRAPPIST-1" { Radius 79344 # 696000 km Rsol = 1 RA 346.622 Dec -5.041275 Distance 12.1 SpectralType "M8V" AbsMag 18.8 } ssc "b" "TRAPPIST-1" { Radius 6918.906 #earth 1 = 6371 km EllipticalOrbit { Period 0.004136538836 #1 year = 365.25 day SemiMajor...
by symaski62
30.09.2016, 16:16
Forum: Announcements
Topic: Welcome to restored Celestia Forums
Replies: 39
Views: 10040

Re: Welcome to restored Celestia Forums

hello :)

:wink: ty !
by symaski62
02.11.2013, 16:31
Forum: Bugs
Topic: Alcor Double?
Replies: 8
Views: 4127

Re: Alcor Double?

http://simbad.u-strasbg.fr/simbad/sim-id?Radius=2&Radius.unit=arcmin&submit=submit%20id&NbIdent=1&Ident=ALCOR%20B http://arxiv.org/pdf/0911.5028v2.pdf Alcor A Spectral type: A5V magnitude: 3.99 mag masse: 1.8 Msol Alcor B Spectral type: M3-4V C magnitude: 8.82 mag masse: ~0.3 Msol --...
by symaski62
01.11.2013, 21:13
Forum: Bugs
Topic: Alcor Double?
Replies: 8
Views: 4127

Re: Alcor Double?

http://en.wikipedia.org/wiki/Mizar_and_Alcor

Mizar => HIP 65378

Alcor => HIP 65477

----------------
http://en.wikipedia.org/wiki/Alcor_B

alcor B => red dwarf

-----------------
http://arxiv.org/abs/0911.5028


:wink:

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