spacecruft
/
CelestiaContent
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Update temperatures for cool stars

pull/3/head
SevenSpheres 2019-12-08 15:53:59 -07:00 committed by Hleb Valoshka
parent 705c383b9f
commit 2cd95ac2e7
1 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/celengine/star.cpp
View File

@ -1,6 +1,6 @@
// star.cpp
//
// Copyright (C) 2001-2009, the Celestia Development Team
// Copyright (C) 2001-2019, the Celestia Development Team
// Original version by Chris Laurel <claurel@gmail.com>
//
// This program is free software; you can redistribute it and/or
@ -54,7 +54,8 @@ StarDetails::StarTextureSet StarDetails::starTextures;
// Star temperature data from Lang's _Astrophysical Data: Planets and Stars_
// Temperatures from missing (and typically not used) types in those
// tables were just interpolated.
// tables were just interpolated. M dwarf temperatures are taken from:
// https://www.pas.rochester.edu/~emamajek/EEM_dwarf_UBVIJHK_colors_Teff.txt
static float tempO[3][10] =
{
{ 52500, 52500, 52500, 52500, 48000, 44500, 41000, 38000, 35800, 33000 },
@ -99,12 +100,12 @@ static float tempK[3][10] =
static float tempM[3][10] =
{
{ 3850, 3720, 3580, 3470, 3370, 3240, 3050, 2940, 2640, 2000 },
{ 3870, 3700, 3550, 3410, 3200, 3030, 2850, 2650, 2500, 2400 },
{ 3800, 3720, 3620, 3530, 3430, 3330, 3240, 3240, 3240, 3240 },
{ 3650, 3550, 3450, 3200, 2980, 2800, 2600, 2600, 2600, 2600 },
};
// Wolf-Rayet temperatures. From Lang's Astrophysical Data: Planets and
// Wolf-Rayet temperatures. From Lang's Astrophysical Data: Planets and
// Stars.
static float tempWN[10] =
{
@ -116,24 +117,25 @@ static float tempWC[10] =
60000, 60000, 60000, 60000, 60000, 60000, 60000, 54000, 46000, 38000
};
// Brown dwarf temperatures
// Brown dwarf temperatures. From this website:
// https://www.pas.rochester.edu/~emamajek/EEM_dwarf_UBVIJHK_colors_Teff.txt
// Data for types after Y2 (which are not actually used) is extrapolated.
static float tempL[10] =
{
1960, 1930, 1900, 1850, 1800, 1740, 1680, 1620, 1560, 1500
2250, 2100, 1960, 1830, 1700, 1590, 1490, 1410, 1350, 1300
};
static float tempT[10] =
{
1425, 1350, 1275, 1200, 1140, 1080, 1020, 900, 750, 500
1260, 1230, 1200, 1160, 1120, 1050, 960, 840, 700, 530
};
// For Y type we just extrapolate the L & T data
static float tempY[10] =
{
400, 350, 300, 250, 200, 150, 100, 50, 3, 3
420, 350, 250, 200, 150, 100, 50, 25, 3, 3
};
// White dwarf temperaturs
// White dwarf temperatures
static float tempWD[10] =
{
100000.0f, 50400.0f, 25200.0f, 16800.0f, 12600.0f,