Loactions of Stars (was RE: [FT] Size of "Countries" in FT)

> On Friday, 27 November 1998 14:18, Thomas Barclay
> [SMTP:Thomas.Barclay@sofkin.ca] wrote:
> > Moody, spake thusly upon matters weighty: 
> > > It can be found at http://www.maths.tcd.ie/~jaymin/chview/.
> > 
> > So, right now it is just a viewer?
> 
> Mostly, but it can be used to add/delete, and masage data quite
> nicely.  There is also a page on the format of datafiles, so it is
> fairly easy to export the star list to a spreadsheet, manipulate it,
> and re-import it.
> 
> > > At 15ly, you get a only couple useful systems (Tau Ceti, 61
> Cygni).
> > > At 25ly, you get a good number (Xi Ursae Majoris, etc), maybe
> about a
> > > dozen and a half.
> > 
> > What about 50 ly which I think is about what we were figuring?
> That's 
> > a big sphere and should give us enough places to work with. 
> 
> 
> Yep - 50ly gives us about 1100 stars (that is individual stars - many
> systems come in packets of multiple stars).  I'm assuming that the
> most habitable planets occur around the F G K series stars, this list
> only shows F G K stars.  This is not a complete list - I ignored
> multiple systems where the primary is too bright (O B A classes) and
> other systems for various reasons.  Consider these a minimum number
> system with possible inhabited worlds..
> 
> Within 10ly-3 systems
> System		Dist	Type
> Sol			0.0	G2V
> A. Centauri		4.4	G2V
> Ep. Eridani		10.5	K2V
> 
> Within 25ly - 27 systems
> System		Dist	Type
> 61 Cygni		11.36	K3.5-5Ve
> Procyon		11.41	F5V-IV
> Epsilon Indi	11.83	K3-5Ve
> Tau Ceti		11.9	G8Vp
> Van Maanen's	14.37	F-GVIId
> LTT 12352		14.6	KV
> CD-46 11540		14.8	K5-M3V
> Groombridge1618	15.89	K2-8Ve
> Keid			16.45	K1Ve
> 70 Ophiuchi		16.59	K0-1Ve
> Wolf	294		17.99	KV-M4V
> Alrakis		18.81	K0V
> Achird2		19.42	F9-G0V
> 36 Ophiuchi		19.52	K0-1Ve
> HR 7703 A		19.74	K2-3V
> 82 Eridani		19.77	G5-8V-IV
> D. Pavonis		19.92	G5-8V-IV
> BD+53  1321 A 20.45	K2-M0Ve
> Xi Bootis		21.85	G8Ve
> CD-34 11626 A 22.74	K3-4V
> Alula Australis	23.8	G0Ve
> G 184-19 A		24	K-MV
> 107 Piscium		24.36	K1V
> Beta Hydri		24.38	G1-2IV
> HR 5568 A		24.41	K4-M2V
> Mu Cassiopeiae	24.63	G5IV-VIp
> TW Piscis Aust	24.91	K4Vpe
> 
> Within 40ly - 44 systems
> System		Dist	Type
> Pi3 Orionis		26.18	F6V
> Chi Draconis	26.28	F7V
> p Eridani		26.57	K0-2V
> Chara 		27.3	G0V
> Mu Herculis		27.4	G5IV
> 61 Virginis		27.81	G5-6V
> Zeta Tucanae	28.03	F8-G0V
> Chi1 Orionis	28.26	G0V
> BD-05 1844 A	28.38	K3V
> HR 6416 A		28.66	G8-K0V
> G. Leporis2		29.26	F6-7V
> B. Comae Beren	29.86	F9.5-G0V
> Groombridge1830	29.87	G8VIp
> Kappa Ceti		29.87	G5Ve
> Gamma Pavonis 30.06	F6-8V
> HR 4523 A		30.14	G3-5V
> 61 Ursae Majori	31.12	G8Ve
> V2133 Ophiuchi	31.89	K0-2Ve
> Alpha Mensae	33.1	G5-6V
> Pollux		33.72	K0IIIb*
> Iota Persei		34.36	G0V
> Rutilicus		35.21	F9-G0IV
> L 989-20 A		35.23	G-M3.5V
> Delta Trianguli	35.38	G0.5Ve
> Zavijava		35.55	F8-A5V-IV
> HR 637		35.6	K0-1V
> 54 Piscium		36.23	K0V
> G. Serpentis	36.27	F6V
> SV Leo. Min.	36.46	G8V-IV
> Theta Persei	36.64	F7V
> Arcturus		36.71	K1.5IIIp*
> Muphrid		36.99	G0IV
> Zeta Doradus	38	F78V
> L. Serpentis	38.34	G0V
> Iota Pegasi		38.35	F5V
> BD+04   701		38.48	F8V
> Porrima		38.59	F0V
> Ross 948 A		39.3	GV
> Z.2 Reticuli	39.4	G1V
> Z. Tri. Aust	39.48	F9-G0V
> Z.1 Reticuli	39.53	G2.5V
> Beta Tri. Aust	40.15	F2IV-III
> 85 Pegasi		40.45	G3-5Vb
> 55 Cancri - Rho	40.87	G8V
> 
> Within 50ly - 53 systems
> System		Dist	Type
> HR 3259		41.04	G7.5-K0V
> HR 483 A		41.24	G1.5V
> L. Aurigae		41.24	G0-1.5V-IV
> HR 683		41.35	G5-8V
> 44-I Bootis		41.61	F9-G1Vn
> 36 Urs. Majoris	41.91	F8V
> HR 6094 A		41.98	G3-G5V
> HR 4587		42.1	G8-K0IV
> Capella4		42.2	G0-5IIIe*
> HR 6998		4	2.35	G4-5V
> L 489-58 A		43.4	G0VI
> 58 Eridani		43.43	G1-2.5V
> BK+00 2334		43.5	G2V
> Up. Andromedae	43.93	F7-8V
> The. Urs. Maj 43.99	F6IV
> HR 8501 A		44.39	G1-3V
> Alshain		44.71	G8IV
> 10 Tauri		44.75	F8-9V-IV
> Iota Piscium	44.98	F7V
> Errai 		44.99	K1IV-IIIe
> L 1064-69		45.3	GV
> Tau1 Eridani	45.58	F5-6V
> 18 Scorpii		45.75	G1-2Va
> 47 Ursae Maj	45.91	G0-1V
> 26 Draconis		45.95	G0-1V
> A. Fornacis		46.03	F8V-IV
> Pi1 Ursae Maj 46.55	G0-1.5Vb
> Diadem		46.72	F5V
> Eta Cephei		46.78	K0IVe
> BD+39 2947 A	46.86	G8V
> 72 Herculis		46.94	G0V
> CP-58 8327		47.3	G4V
> Nu2 Lupi		47.48	G2V
> Theta Bootis	47.52	F7V
> HR 7898		47.77	G8-K0V
> 111 Tauri		47.83	F8Ve
> Psi Capricorni	47.85	F4-5V
> Psi Serpentis 47.85	G2.5-5V
> Gliese 420 A	47.87	K5V
> Alkiba2		48.17	F2V-IV
> HR 3862		48.54	F9-G0V
> 20 Leo. Min.	48.58	G1-3Va
> CP-65   475		48.74	K1V-IIIp
> HR 209		48.74	G1-5IV
> HR 7162 Aa		48.86	F9-G0V
> Eta Leporis		49.07	F0-1V-III
> Nu Phoenicis	49.1	F8V
> HD 110833		49.12	K3V
> 19 Draconis		49.21	F6V
> 31 Aquilae		49.41	G8IV
> HR 3018 A		49.58	G0V
> HR 5864 A		49.72	G6V-IV
> Mu Arae		49.83	G3-5V
> 
> > > Outworlds: (worlds beyond 25ly from Sol)
> > >	...other worlds
> > 
> > Does this agree with what Jon T posted today or last night?
> 
> Indeed, it fits quite well.
> 
> > What format does CHVIEW use for its star data?
> 
> CHView uses an internal binary format, but can import/export ASCII
> files.  Simple slash "/" delimited files.
> 
> > > It would not be to difficult to whip up a CHView file with systems
> > > labled for FT.  The only question that realy needs to be answered
> is:
> > > what is the speed/endurance of FT's FTL drives?
> > 
> > Why?
> > 
> > I ask this because that is 'individual campaign specific'. Why not 
> > just locate the colonies and mark their names and leave it at that. 
> > Some use jump points, some use a hyper drive. 
> 
> For a roll-your-own background, I agree, but I would like some
> parameters on the "official' version.  Nothing more specific than how
> far a ship can go without refueling, or how a hyperjump works (star to
> star only?  to empty space? multiple jumps or one big 'un?).
> 
> The way a ship travels will directly affect the location of stategic
> planets, choke points, trade routes, etc in a universe.  If a ship is
> required to go from star to star that is only a short distance away
> (ie 2300AD), then there will be many stars unreachable, and some stars
> will become nexus points that everyone wants, since they allow access
> to other stars.  If your FTL drive is of the 'pop out anywhere at any
> distance' then the actual locations of worlds doesn't really matter.
> However, if you use a system of fixed 'warp points' (like StarFire)
> then the relation between your systems and the real univers becomes
> meaningless.	Since Jon T does talk about systems with a relation to
> Sol, I assume that the technique of the FTL drive in the 'official'
> universe is affected by realspace distances, somehow.
> 
> > > vargr1
> UPP-8D9B85
> > 
> > High dex. And int. 
> > 
> > Former service? Emissary?
> 
> Nope, my UPP as determined by Greg Porter at GenCon96.
>  
> > (I love Traveller!). 
> 
> Me too...
> 
> vargr1						   UPP-8D9B85
> ---------------------------- Omnia dicta fortiora, si dicta latina.
> Meyers-Briggs personality type: ENTJ		      vargr1@jcn1.com
> "...the ENTJ is not one to be trifled with."	    dmoody@bridge.com
>