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revised.stc
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revised.stc
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# Revisions to stars listed in Celestia distribution stars.dat
#
# These consist of improvements or revisions to the Gaia EDR3+XHIP
# data from which stars.dat was prepared, and additional data
# for some bright star systems.
# Commonly used sources are listed below, and other sources are
# referenced in the annotations.
#
# McCook & Sion's white dwarf database:
# http://www.astronomy.villanova.edu/WDCatalog/index.html
# The SIMBAD astronomical database:
# http://simbad.u-strasbg.fr/sim-fid.pl
# Eric Mamajek's stellar parameter tables:
# http://www.pas.rochester.edu/~emamajek/EEM_dwarf_UBVIJHK_colors_Teff.txt
Modify 746 # Caph: rapidly rotating star, rotational parameters from
# Che et al. (2011), ApJ 732 (2), 68
# "Colder and Hotter: Interferometric Imaging of beta Cassiopeiae
# and alpha Leonis"
# https://arxiv.org/abs/1105.0740
{
Radius 2636700 # equatorial radius
SemiAxes [ 1 0.81 1 ] # equatorial radius 24% greater than polar
UniformRotation
{
Period 21.43 # from rotation rate
Inclination 125.88 # inclination (i) = 19.9 deg
AscendingNode 287.38 # orientation (alpha) = -7.09 deg
}
}
Modify 3693 # Zet And: rapidly rotating star, rotational parameters from
# Roettenbacher et al. (2011), Nature 533 (7602), 217
# "No Sun-like dynamo on the active star ζ Andromedae from
# starspot asymmetry"
# https://arxiv.org/abs/1709.10107
{
Radius 11061630 # equatorial radius
SemiAxes [ 1 0.94 1 ] # equatorial radius 6% greater than polar
UniformRotation
{
Inclination 151.6 # inclination (i) = 70.0 deg
AscendingNode 210.2 # orientation (alpha) = 126.0 deg
}
}
Modify 6726 # Improved spectral class from McCook & Sion
{
SpectralType "DA3.5"
}
Modify 7588 # Achernar: rapidly rotating star, rotational parameters from
# Domiciano de Souza et al. (2014), A&A 569, (A10)
# "The environment of the fast rotating star Achernar. III. Photospheric
# parameters revealed by the VLTI"
# https://www.aanda.org/articles/aa/abs/2014/09/aa24144-14/aa24144-14.html
{
SemiAxes [ 1 0.74 1 ] # equatorial radius 35.2% greater than polar
UniformRotation
{
Period 37.25
Inclination 68.76 # inclination (i) = 60.6 deg
AscendingNode 323.15 # orientation (alpha) = 216.9 deg
}
}
Modify 7681 # Spectral class from SIMBAD, replacing "O6+WR"
{
SpectralType "WN3h-w"
}
Modify 8305 # Spectral class from SIMBAD, replacing "C6,2"
{
SpectralType "B9IIp"
}
Modify 8325 # Spectral class from SIMBAD, replacing "C6,3"
{
SpectralType "B6Iab"
}
Modify 8709 # Improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 9115 # Spectral class from SIMBAD, replacing "G4"
{
SpectralType "Bnnpe"
}
Modify 11650 # Improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 12527 # V493 Per: spectral class from SIMBAD, replacing "F3"
{
SpectralType "WC6"
}
Modify 13380 # Spectral class from SIMBAD, replacing "G9"
{
SpectralType "WC6"
}
Modify 14647 # Spectral class from SIMBAD, replacing "C7:,3"
{
SpectralType "A0"
}
Modify 14754 # Improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 17358 # Del Per: rapidly rotating star, rotational parameters from
# Challouf et al. (2017), A&A 604, A51
# "Flattening and surface-brightness of the fast-rotating star
# δ Persei with the visible VEGA/CHARA interferometer"
# https://www.aanda.org/articles/aa/abs/2017/08/aa29934-16/aa29934-16.html
{
Radius 7304850 # equatorial radius
SemiAxes [ 1 0.89 1 ] # equatorial radius 12% greater than polar
UniformRotation
{
Period 72 # from equatorial rotational velocity
Inclination 49 # inclination (i) = 85 deg
AscendingNode 281 # orientation (alpha) = 23 deg
}
}
Modify 17797 # Spectral class of primary component from SIMBAD
{
SpectralType "B9V"
}
Modify 22485 # Spectral class from SIMBAD, replacing "DB"
{
SpectralType "sdO"
}
Modify 23342 # Spectral class from SIMBAD, replacing "O..."
{
SpectralType "M0"
}
Modify 23692 # Improved spectral class from McCook & Sion
{
SpectralType "DA1"
}
Modify 28297 # Spectral class from SIMBAD, replacing "K3"
{
SpectralType "S2"
}
Modify 32560 # Improved spectral class from Gliese catalogue (Gliese 246)
{
SpectralType "DA2"
}
Modify 45880 # Spectral class from SIMBAD, replacing "B2"
{
SpectralType "sdO"
}
Modify 48619 # V437 Car: spectral class from SIMBAD, replacing "WN8-A"
{
SpectralType "ApSr"
}
Modify 49669 # Regulus: rapidly rotating star, rotational parameters from
# Hadjara et al. (2018), 480 (1) 1263
# "Differential interferometry of the rapid rotator Regulus"
# https://arxiv.org/abs/1808.01399
{
Radius 2894100
SemiAxes [ 1 0.76 1 ] # equatorial radius 35% greater than polar
UniformRotation
{
Period 14.63
Inclination 122.54 # inclination (i) = 86.3 deg
AscendingNode 145.74 # orientation (alpha) = 258 deg
}
}
Modify 55849 # Spectral class from SIMBAD, replacing "A2+"
{
SpectralType "K0III"
}
Modify 56662 # Improved spectral class from Gliese catalogue (Gliese 433.1)
{
SpectralType "DA3"
}
Modify 56709 # Spectral class from SIMBAD, replacing "B5"
{
SpectralType "F8/G0p"
}
Modify 64778 # UY Cen: spectral class from SIMBAD, replacing "K5. P,V"
{
SpectralType "S6/8"
}
Modify 64929 # Spectral class from SIMBAD, replacing "A7"
{
SpectralType "WC5"
}
Modify 65877 # Gliese 515: improved spectral class from McCook & Sion
{
SpectralType "DA5"
}
Modify 65925 # Spectral class from SIMBAD, replacing "G9"
{
SpectralType "WC8"
}
Modify 66578 # Improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 66383 # KN Cen: spectral class from SIMBAD, replacing "M0"
{
SpectralType "G8Iab"
}
Modify 66948 # Spectral class from SIMBAD, replacing "A3"
{
SpectralType "WC7"
}
Modify 71332 # Spectral class from SIMBAD, replacing "B2"
{
SpectralType "G0IIIn+sdO"
}
Modify 72105 # Eps Boo: Primary spectral class from SIMBAD
{
SpectralType "K0III"
}
Modify 72509 # Spectral class from SIMBAD
{
SpectralType "M1.5V"
}
Modify 72511 # Spectral class from SIMBAD
{
SpectralType "M1.5V"
}
Modify 75377 # Spectral class from SIMBAD, replacing "G0"
{
SpectralType "WC9d+OB?"
}
Modify 75863 # Spectral class from SIMBAD, replacing "K5"
{
SpectralType "WC9+OB"
}
Modify 76976 # HD 140283 (chemically peculiar star): improved parameters from
# Karovicova et al. (2020), A&A 640, A25
# "Fundamental stellar parameters of benchmark stars from CHARA
# interferometry. I. Metal-poor stars"
# https://arxiv.org/abs/2006.05411
# Spectral type chosen to match effective temperature
{
SpectralType "G0IV"
Temperature 5792
Radius 1507600
}
Modify 79607 # Sig CrB: Primary spectral class from SIMBAD
{
SpectralType "F6V"
}
Modify 80300 # Improved spectral class from McCook & Sion
{
SpectralType "DA2"
}
Modify 80488 # U Her: spectral class from SIMBAD, replacing "B2III/V+B8/9"
{
SpectralType "M6.5-8+e"
}
Modify 80802 # R UMi: spectral class from SIMBAD, replacing "G5"
{
SpectralType "M7III:e"
}
Modify 82257 # DN Dra: improved spectral class from McCook & Sion
{
SpectralType "DAV4"
}
Modify 84716 # Spectral class from SIMBAD, replacing "N7"
{
SpectralType "WN8h"
}
Modify 85755 # 51 Oph: rapidly rotating star, rotational parameters from
# Jamialahmadi et al. (2011), A&A 579, A81
# "The peculiar fast-rotating star 51 Ophiuchi probed by VEGA/CHARA"
# https://arxiv.org/abs/1709.04872
{
Radius 5621000
SemiAxes [ 1 0.70 1 ] # equatorial radius 43% greater than polar
UniformRotation
{
Period 36.75 # from equatorial rotational velocity
Inclination 46 # inclination (i) = 80 deg
AscendingNode 97 # position angle of major axis = 138 deg
}
}
Modify 86032 # Rasalhague: rapidly rotating star, rotational parameters from
# Monnier et al. (2017), ApJ 725 (1), 1192
# "Rotationally Modulated g-modes in the Rapidly Rotating δ Scuti Star
# Rasalhague (α Ophiuchi)"
# https://arxiv.org/abs/1012.0787
{
Radius 1988300
SemiAxes [ 1 0.84 1 ] # equatorial radius 19.7% greater than polar
UniformRotation
{
Period 14.55 # from rotation rate
Inclination 65.12 # inclination (i) = 87.5 deg
AscendingNode 239.23 # orientation (alpha) = -53.5 deg
}
}
Modify 86197 # Rearrange spectral type so WR comes first
{
SpectralType "WN4+O5/7V"
}
Modify 86986 # Spectral class from SIMBAD, replacing "B0"
{
SpectralType "sdO"
}
Modify 88267 # 95 Her: Spectral class from SIMBAD; replaces "A2V"
{
SpectralType "A5III"
}
Modify 88597 # Spectral class from SIMBAD, replacing "O7:Iafep"
{
SpectralType "WN9h+OB"
}
Modify 88933 # QT CrA: spectral class from SIMBAD, replacing "F8e"
{
SpectralType "M"
}
Modify 89769 # CV Ser: spectral class from SIMBAD, replacing "O8/9III/V"
{
SpectralType "WC8+O8/9III/V"
}
Modify 94049 # Spectral class from SIMBAD, replacing "F5V"
{
SpectralType "R2"
}
Modify 95071 # Improved spectral class from McCook & Sion
{
SpectralType "DBZ5"
}
Modify 97629 # Chi Cyg: Spectral class from SIMBAD; replaces "K0III"
{
AppMag 4.24
SpectralType "S6"
}
Modify 98057 # Spectral class from SIMBAD, replacing "A1.V"
{
SpectralType "R0"
}
Modify 98107 # Spectral class from SIMBAD, replacing "A0"
{
SpectralType "K2/4"
}
Modify 99002 # V1676 Cyg: spectral class from SIMBAD, replacing "O9.5 I COMP"
{
SpectralType "WN5+O9I"
}
Modify 99525 # V1042 Cyg: spectral class from SIMBAD, replacing "A9"
{
SpectralType "WC8+OB:"
}
Modify 100214 # V444 Cyg: spectral class from SIMBAD, replacing "O6III/V"
{
SpectralType "WN5+O6II-V"
}
Modify 100287 # V1687 Cyg: spectral class from SIMBAD, replacing "O5. COMP,SB"
{
SpectralType "WC7p+O5"
}
Modify 101516 # Gliese 794: improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 102207 # Improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 102531 # Gam1 Del: spectral class from SIMBAD, replacing "A2. IA COMP"
{
SpectralType "F8V"
}
Modify 105199 # Alderamin: rapidly rotating star, rotational parameters from
# Zhao et al. (2011), ApJ 701 (1), 209
# "Imaging and Modeling Rapidly Rotating Stars: α Cephei and α Ophiuchi"
# https://arxiv.org/abs/0906.2241
{
Radius 1906200
SemiAxes [ 1 0.79 1 ] # equatorial radius 27% greater than polar
UniformRotation
{
Period 12.22 # from v sin i, equatorial radius, and inclination
Inclination 132.90 # inclination (i) = 55.70 deg
AscendingNode 28.56 # orientation (alpha) = -178.84 deg
}
}
Modify 107968 # Improved spectral class from McCook & Sion
{
SpectralType "DA3"
}
Modify 108874 # Omi Aqr: rapidly rotating star, rotational parameters from
# de Almeida et al. (2020), A&A 636, A110
# "Visible and near-infrared spectro-interferometric analysis of
# the edge-on Be star o Aquarii"
# https://arxiv.org/abs/2002.09552
{
Radius 3732400 # equatorial radius
SemiAxes [ 1 0.89 1 ] # equatorial radius 12% greater than polar
UniformRotation
{
Period 17.7 # from equatorial rotational velocity
Inclination 130.3 # inclination (i) = 63.6 deg
AscendingNode 179.1 # orientation (alpha) = 110 deg
}
}
Modify 110154 # GP Cep: spectral class from SIMBAD, replacing "B0. :I :COMP,SB"
{
SpectralType "WN6"
}
Modify 111633 # CQ Cep: spectral class from SIMBAD, replacing "O7+WR"
{
SpectralType "WN6o+O9Ib/II"
}
Modify 112227 # Spectral class from SIMBAD, replacing "K5"
{
SpectralType "S"
}
Modify 114995 # V628 Cas: spectral class from SIMBAD, replacing "M1"
{
SpectralType "B0eq"
}
115125 # 94 Aqr B: missing named star - used Gaia DR2 parallax
{
RA 349.77733688
Dec -13.45525103
Distance 73.27 # Parallax 44.5152 +/- 0.0550
AppMag 7.60
SpectralType "K2"
}
Modify 117059 # Improved spectral class from McCook & Sion
{
SpectralType "DA4"
}
1028098626 # Eta Car - data from SIMBAD
{
RA 161.2647742
Dec -59.6844309
Distance 7500 # 2.3 kpc
AppMag 6.48
SpectralType "OBepec"
}