Русский New site

Advanced search

[ New messages · Forum rules · Members ]
Page 2 of 3«123»
Forum » SpaceEngine » Mods and Addons » COMMUNITY ADDON - Complete Multiple-star Catalog for SE (Ongoing effort to add all known Hipparcos multiples to SE)
COMMUNITY ADDON - Complete Multiple-star Catalog for SE
SpaceEngineerDate: Saturday, 13.07.2013, 13:30 | Message # 16
Author of Space Engine
Group: Administrators
Russian Federation
Messages: 4798
Status: Offline
Contineo, using Luminosity, AbsMagn and AppMagn simultaneously is redundant. They all define the star's luminosity, so you must use only one of these quantities. SE simply ignores AbsMagn and AppMagn if Luminosity is present, ignores AppMagn if AbsMagn is present and Luminosity is not, and uses AppMagn and Dist to calculate luminosity, if Luminosity and AbsMagn are not present.

  •  
    SpaceEngineerDate: Saturday, 13.07.2013, 13:52 | Message # 17
    Author of Space Engine
    Group: Administrators
    Russian Federation
    Messages: 4798
    Status: Offline
    Contineo, inclination of orbit of 55 CnC A and B is real, or some random number? If it random, I suggest to change it to something near 50-55°, to make binary star orbits complanar to 55 CnC A planetary system. Hubble has measured inclination of 55 CnC d (53°), and 55 CnC e is transit planet with inclination of 81°. So we might expect that inclinations of other planets in the system must be near that range, probably closer to 53°. I have modified script for other planets to make them have inclination of 53°, and calculated real masses as M = Mmin / sin i.






     
    EnkiDate: Sunday, 14.07.2013, 01:26 | Message # 18
    Astronaut
    Group: Users
    United States
    Messages: 67
    Status: Offline
    Quote (Contineo)
    The "ParentBody" parameter on the catlong 55 Cnc planets would need too be modified to "55 Cnc A" instead of just "55 Cnc" Here's the modification below.

    The planets should also have the A before their letter designation. Ex: 55 Cnc Af





    "If you arrive at a contradiction, check your premises. You will find that one of them is wrong." - Ayn Rand
    "It may be that our purpose on Earth is not to find God, but to create him." - Arthur C. Clarke
     
    ContineoDate: Sunday, 14.07.2013, 09:36 | Message # 19
    Space Tourist
    Group: Users
    United States
    Messages: 26
    Status: Offline
    Hi, once again. I was hoping someone could point out an error for me. I've been working on the 40 Eridani System. Yet again, another single obstacle is preventing it's completion. Here are the scripts.

    Code

    StarBarycenter    "Keid/OMI2 Eri/40 Eri/Gliese 166/HIP 19849/HD 26965"
    {
            RA    04 15 16.32
            Dec    -07 39 10.34
            Dist    5.044
    }


    Code

    Star    "Keid A/OMI2 Eri A/40 Eri A/HIP 19849 A/Hip 19849 A/HD 26965 A"
    {
          ParentBody    "Keid/OMI2 Eri/40 Eri/Gliese 166/HIP 19849/HD 26965"
          Class  "K1 V"
          Mass      0.77346
          Radius    1097939
          Luminosity  0.28963
          //AbsMagn  6.17
          //AppMagn  4.43
          Age           5.6 // 7.936

          RotationPeriod   20.8
          //Obliquity       133

          Orbit
          {
           Period  8000
           SemiMajorAxis    184
           Eccentricity    0.01265
           Inclination    0.51346
           AscendingNode    39.31601
           ArgOfPericenter  0.0
           MeanAnomaly    348.84963
          }
    }

    Barycenter    "Keid BC/OMI2 Eri BC/40 Eri BC/Gliese 166 BC/HIP 19849 BC/HD 26965 BC"
    {
          ParentBody      "Keid/OMI2 Eri/40 Eri/Gliese 166/HIP 19849/HD 26965"
          Orbit
          {
           Period  8000
           SemiMajorAxis    234
           Eccentricity    0.01265
           Inclination    0.51346
           AscendingNode    39.31601
           ArgOfPericenter  180.0
           MeanAnomaly    348.84963
          }
    }

    Star    "Keid B/OMI2 Eri B/40 Eri B/Gliese 166 B/HIP 19849 B/HD 26965 B"
    {
          ParentBody    "Keid BC/OMI2 Eri BC/40 Eri BC/Gliese 166 BC/HIP 19849 BC/HD 26965 BC"
          Class  "DA"
          Mass      0.77346
          Radius    19474
          Luminosity  0.002022
          //AppMagn  9.52
          Age           5.6 // 7.936

          RotationPeriod   12.0

          Orbit
          {
           Period  252.1
           SemiMajorAxis    35.0      
           Eccentricity    0.410
           Inclination    108.9
           AscendingNode    150.9
           ArgOfPericenter  327.8
           MeanAnomaly    348.84963
          }
    }

    Star    "Keid C/OMI2 Eri C/40 Eri C/Gliese 166 C/HIP 19849 C/HD 26965 C"
    {
          ParentBody    "Keid BC/OMI2 Eri BC/40 Eri BC/Gliese 166 BC/HIP 19849 BC/HD 26965 BC"
          Class  "M5 V"
          Mass      0.2
          Radius    431210
          Luminosity  0.00040816
          //AbsMagn  13.30
          Age           5.6 // 7.936

          RotationPeriod   12.0

          Orbit
          {
           Period  252.1
           SemiMajorAxis    35.0      
           Eccentricity    0.410
           Inclination    108.9
           AscendingNode    150.9
           ArgOfPericenter  147.8
           MeanAnomaly    348.84963
          }
    }


    For some reason, the white drawf star, Keid B is being displayed as the same spectral type of Keid A; an orange dwarf. I can't seem to fix this problem. Can anyone help?



    Added (14.07.2013, 12:32)
    ---------------------------------------------
    Quote (Enki)
    The planets should also have the A before their letter designation. Ex: 55 Cnc Af


    Yes, of course. I merely overlooked that parameter. It's already been fixed.

    Quote (SpaceEngineer)
    I suggest to change it to something near 50-55°, to make binary star orbits complanar to 55 CnC A planetary system.


    Thanks for your suggestion. It's been corrected to a 50 degree inclination.

    Added (14.07.2013, 12:36)
    ---------------------------------------------
    Quote (SpaceEngineer)
    They all define the star's luminosity, so you must use only one of these quantities.


    I should have figured. One of these quantities have been commented out on the posted addons and modifications,

    Attachments: 6068676.jpg(138Kb)


    Edited by Contineo - Sunday, 14.07.2013, 09:58
     
    EnkiDate: Sunday, 14.07.2013, 15:29 | Message # 20
    Astronaut
    Group: Users
    United States
    Messages: 67
    Status: Offline
    Quote (Contineo)
    For some reason, the white drawf star, Keid B is being displayed as the same spectral type of Keid A; an orange dwarf. I can't seem to fix this problem. Can anyone help?


    Keid B is Class DA. I'm no SE expert, but the engine is probably defaulting on the first star and ignoring the DA as it is invalid input.





    "If you arrive at a contradiction, check your premises. You will find that one of them is wrong." - Ayn Rand
    "It may be that our purpose on Earth is not to find God, but to create him." - Arthur C. Clarke


    Edited by Enki - Sunday, 14.07.2013, 15:30
     
    HarbingerDawnDate: Sunday, 14.07.2013, 16:15 | Message # 21
    Cosmic Curator
    Group: Administrators
    United States
    Messages: 8714
    Status: Offline
    Quote (Enki)
    ignoring the DA as it is invalid input.

    DA is a perfectly valid spectral class.





    All forum users, please read this!
    My SE mods and addons
    Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
     
    EnkiDate: Sunday, 14.07.2013, 17:17 | Message # 22
    Astronaut
    Group: Users
    United States
    Messages: 67
    Status: Offline
    Quote (HarbingerDawn)
    DA is a perfectly valid spectral class.

    Sorry. I was just trying to be helpful and I saw that didn't seem to fit with what I read about the star scripts.





    "If you arrive at a contradiction, check your premises. You will find that one of them is wrong." - Ayn Rand
    "It may be that our purpose on Earth is not to find God, but to create him." - Arthur C. Clarke
     
    HarbingerDawnDate: Sunday, 14.07.2013, 17:23 | Message # 23
    Cosmic Curator
    Group: Administrators
    United States
    Messages: 8714
    Status: Offline
    White dwarfs: DA DB DC DO DQ DZ





    All forum users, please read this!
    My SE mods and addons
    Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
     
    ContineoDate: Sunday, 14.07.2013, 18:13 | Message # 24
    Space Tourist
    Group: Users
    United States
    Messages: 26
    Status: Offline
    Keid B is a simple "DA" WHite dwarf as described in the script. I don't know why in Space Engine it's being displayed as a K1 orange dwarf. It's so annoying. wacko
     
    SpaceEngineerDate: Sunday, 14.07.2013, 19:04 | Message # 25
    Author of Space Engine
    Group: Administrators
    Russian Federation
    Messages: 4798
    Status: Offline
    Quote (Contineo)
    Keid B is a simple "DA" WHite dwarf as described in the script. I don't know why in Space Engine it's being displayed as a K1 orange dwarf. It's so annoying.

    Do you select a Keid B itself or the entire system? Then selected a system, SE displays its brightest component's class as the entire system class.





     
    HarbingerDawnDate: Sunday, 14.07.2013, 19:08 | Message # 26
    Cosmic Curator
    Group: Administrators
    United States
    Messages: 8714
    Status: Offline
    Quote (SpaceEngineer)
    Do you select a Keid B itself or the entire system?

    No. His screenshot clearly shows Keid B as a KV star.





    All forum users, please read this!
    My SE mods and addons
    Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
     
    ContineoDate: Sunday, 14.07.2013, 19:22 | Message # 27
    Space Tourist
    Group: Users
    United States
    Messages: 26
    Status: Offline
    I tried uninstalling then reinstalling SpaceEngine. That didn't seem to work.
     
    HarbingerDawnDate: Saturday, 15.02.2014, 01:56 | Message # 28
    Cosmic Curator
    Group: Administrators
    United States
    Messages: 8714
    Status: Offline
    Did the HIP 98298 system, which contains the famous black hole Cygnus X-1

    Star catalog script
    Code
    RemoveStar "HIP 98298"

    StarBarycenter "HIP 98298 system"
    {
      RA       19 58 21.67595
      Dec      35 12 05.7783
      Dist     1860
      Class   "B0 Ia"
      Age      0.005
    }

    Planet catalog script
    Code
    Star "HDE 226868/HD 226868/HIP 98298/V1357 Cyg/SAO 69181"
    {
      ParentBody    "HIP 98298 system"
      Class         "B0 Ia"
      AbsMagn       -6.5
      Mass           30.5
      Radius         1.4e7
      Age            0.005
      RotationPeriod 134.395896
      Obliquity      48
       
      Orbit
      {
       Period         0.0153314962
       SemiMajorAxis  0.0718829139
       Inclination    48
       Eccentricity   0.0018
       MeanAnomaly    0
      }
    }

    Star "Cygnus X-1"
    {
      ParentBody    "HIP 98298 system"
      Class         "X"
      AbsMagn        15
      Mass           14.8
      Age            0.005
      RotationPeriod 3.5161744e-7
       
      Orbit
      {
       Period         0.0153314962
       SemiMajorAxis  0.1481370861
       Inclination    48
       Eccentricity   0.0018
       MeanAnomaly    180
      }
    }







    All forum users, please read this!
    My SE mods and addons
    Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
     
    DeathStarDate: Saturday, 15.02.2014, 16:31 | Message # 29
    Pioneer
    Group: Users
    Croatia
    Messages: 515
    Status: Offline
    HarbingerDawn, great, I always wondered why Cyg X-1 isn't in the game. I will try and make some systems myself.
     
    HarbingerDawnDate: Thursday, 27.03.2014, 13:46 | Message # 30
    Cosmic Curator
    Group: Administrators
    United States
    Messages: 8714
    Status: Offline
    Luhman 16 system, which are the closest brown dwarfs to Earth and is the closest system to Alpha Centauri.

    Star catalog script
    Code
    StarBarycenter    "Luhman 16/WISE J1049-5319"
    {
       RA      10 49 18.723
       Dec    -53 19 09.86
       Dist    2.02
       AppMagn 15
       Class  "L8V"
    }

    Planet catalog script
    Code
    Star    "Luhman 16 A"
    {
       ParentBody  "Luhman 16"
       Class       "L8V"
       Mass         0.0432
       Lum          0.000001889

       Orbit
       {
        Period          25
        SemiMajorAxis   1.5
        MeanAnomaly     0
       }
    }

    Star    "Luhman 16 B"
    {
       ParentBody  "Luhman 16"
       Class       "T1V"
       Mass         0.0432
       Lum    0.0000016
       RotationPeriod   
         
       Surface
       {
        SurfStyle        0.99
       }

       Orbit
       {
        Period          25
        SemiMajorAxis   1.5
        MeanAnomaly     180
       }
    }





    All forum users, please read this!
    My SE mods and addons
    Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM


    Edited by HarbingerDawn - Thursday, 27.03.2014, 13:46
     
    Forum » SpaceEngine » Mods and Addons » COMMUNITY ADDON - Complete Multiple-star Catalog for SE (Ongoing effort to add all known Hipparcos multiples to SE)
    Page 2 of 3«123»
    Search: