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baumgardt_harris_sele.txt
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baumgardt_harris_sele.txt
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Cluster, Cluster identification
RA, Right ascension
DEC, Declination
GAL_L, Galactic longitude
GAL_B, Galactic latitude
R_Sun, DR_Sun, Distance from Sun +err
R_GC, DR_GC, Distance from the Galactic centre +err
Mass, DMass, Cluster mass
V_mag, DV_mag, Apparent V-band magnitude and error from Baumgardt et al. (2020)
M/L_V, DM/L_V, V-band M/L ratio
rc, Core radius using the Spitzer (1987) definition
rh_l, Projected half-light radius
rh_m, Half-mass radius (3D)
rt, Tidal radius according to eq. 8 of Webb et al. (2013), ApJ 764, 124
rho_c, Core density
rho_h_m, Density inside half-mass radius
RV, ERV, Radial velocity
sig0, Central 1D velocity dispersion
mualpha,emualpha, Proper motion in right ascension +err
mu_delta,emudelta, Proper motion in declination +err
rhopmrad, Correlation coefficient pm
sig_c, Core density
sig_h_m, Half Mass density
Trh, Half-mass relaxation time
MF, Global mass function slope of 0.2 to 0.8M main-sequence stars, alphaKroupa=-1.50 over this range. Values in red indicate clusters where the MF is based on observations.
F_REM, Mass fraction of remnants. Error bars only available for those clusters where the photometry includes a significant fraction of the cluster stars.
vesc, Central escape velocity
etac, Mass segregation parameter from Trenti & van der Marel (2013) for stars in the core and in the mass range 0.5 to 0.8
etah, Mass segregation parameter from Trenti & van der Marel (2013) for stars at the half-mass radius and in the mass range 0.5 to 0.8
A_Rot, DA_Rot, Rotation velocity A from Sollima, Baumgardt & Hilker (2019)
P_Rot, Probability that a cluster is rotating from Sollima, Baumgardt & Hilker (2019)
X, DX, Distance from the Gal. centre in direction of Sun
Y, DY, Distance from the Gal. centre in direction of Solar motion
Z, DZ, Distance above/below galactic plane
U, DU, Velocity in X direction
V, DV, Velocity in Y direction
W, DW, Velocity in Z direction
RPERI, ERPERI, Average perigalactic distance
RAPO, ERAPO, Average apogalactic distance
[Fe/H], Metallicity [Fe/H]
E(B-V), Foreground reddening
V_HB, V magnitude level of the horizontal branch (or RR Lyraes)
V_t, Integrated V magnitude of the cluster
M_V_t, Absolute visual magnitude (cluster luminosity), M_V,t = V_t - (m-M)V
U-B, Integrated color indices (uncorrected for reddening)
B-V, Integrated color indices (uncorrected for reddening)
V-R, Integrated color indices (uncorrected for reddening)
V-I, Integrated color indices (uncorrected for reddening)
spt, Spectral type of the integrated cluster light
ellip, Projected ellipticity of isophotes, e = 1-(b/a)
v_r, ev_r, Heliocentric radial velocity (km/s)
v_LSR, Radial velocity relative to Solar neighborhood LSR
sig_v,esig_v, Central velocity dispersion sig_v (km/s)
c, coll, King-model central concentration, c = log(r_t/r_c); a 'c' denotes a core-collapsed cluster
r_c, Core radius in arcmin
r_h, Half-light radius in arcmin