| Identifiers |
|
|
|
objname⭐ |
|
|
Common galaxy name |
pgc |
|
|
PGC number (from HyperLeda) |
nsa_id |
|
|
NASA-Sloan Atlas NSAID number |
specobjid |
|
|
unique SDSS 64-bit ID used for optical spectroscopic objects (-1 if not observed) |
plate |
|
|
SDSS plate number (-1 if not observed) |
fiberid |
|
|
SDSS fiber number (-1 if not observed) |
mjd |
|
|
SDSS MJD of spectroscopic observation (-1 if not observed) |
group_id |
|
|
Galaxy is member of group, number based on Lambert et al. 2020 group catalog |
ra⭐ |
|
deg |
Right Ascension combined from catalog sources |
dec⭐ |
|
deg |
Declination combined from catalog sources |
ra_nsa |
|
deg |
Right Ascension provided by NSA |
dec_nsa |
|
deg |
Declination provided by NSA |
ra_ned |
|
deg |
Primary Right Ascension provided by NED |
dec_ned |
|
deg |
Primary Declination provided by NED |
d25 |
|
arcmin |
Apparent Diameter from Karachentsev and HyperLeda |
v_h⭐ |
|
km/s |
Heliocentric Radial velocity, see Section 3.1 |
v_cmb |
|
km/s |
Radial velocity with respect to CMB radiation |
v_source |
|
|
Original source for compiled velocity: HyperLeda, LVG, NSA |
hl_obj |
|
|
True for objects in HyperLeda |
lvg_obj |
|
|
True for objects in Karachentsev's Catalog of Local Volume Galaxies |
nsa_obj |
|
|
True for objects in NASA-Sloan Atlas |
sga_obj |
|
|
True for objects in Siena Galaxy Atlas |
| Morphology |
- |
- |
Section 5 |
t_type⭐ |
|
|
Numerical Hubble T-Type |
color_type |
|
|
Color-based Type |
best_type⭐ |
|
|
Combined galaxy type, see Section 5.1 |
| Photometry |
- |
- |
Section 2 |
a_B_leda |
|
mag |
B-band extinction from Hyperleda multiplied by 0.86 to translate to Schlafly, A_V=0.769a_B_leda and A_R=0.629a_B_leda |
a_g_nsa |
|
mag |
g-band extinction from NASA-Sloan Atlas, the i-band extinction used is = 0.550 a_g_nsa |
EBV_irsa |
|
|
E(B-V) value from IRSA dust website Schlafly values for all galaxies. Used only for the Siena Galaxy Atlas sources, A_g/EBV_sga=3.303, A_r/EBV_sga=2.285. |
Bt0_leda |
|
mag |
Extinction corrected total B band magnitude from HyperLeda |
BV_color_leda |
|
mag |
Extinction corrected (B-V) color from HyperLeda |
B_lum |
|
[Lsun] |
B-band Luminosity — derived for non-Hyperleda sources as described in Section 2.2 |
gi_color_nsa |
|
mag |
Extinction corrected (g-i) color from NASA-Sloan Atlas |
i_lum_nsa |
|
[Lsun] |
i-Band Luminosity, calculated using M_i_sun=4.53 |
gr_color_sga |
|
mag |
Extinction corrected (g-r) color from Siena Galaxy Atlas |
r_lum_sga |
|
[Lsun] |
r-band Luminosity, calculated using M_r_sun=4.65 |
BR_color_ned |
|
mag |
Extinction corrected (B-R) color from NED |
R_lum_ned |
|
[Lsun] |
R-band Luminosity from NED, calculated using M_R_sun=4.60 |
BMag |
|
mag |
Estimated absolute B-Band Magnitude for all galaxies |
gi_color |
|
mag |
Estimated g-i color for all galaxies with color measurements |
mag_flag |
|
|
Flags galaxies with magnitude preference exceptions as described in Section 2.3 |
| Distance |
- |
- |
Section 3 |
cf3_dist |
|
Mpc |
Distances from CosmicFlows3 Calculator |
cf3_dist_error |
|
Mpc |
Error on cf3_dist |
zind_dist |
|
Mpc |
Redshift independent distances |
zind_dist_error |
|
Mpc |
Error on zind_dist |
zind_indicator |
|
|
Redshift independent distance indicator listed in NEDD |
bestdist⭐ |
|
Mpc |
Our chosen best distance estimate |
bestdist_error⭐ |
|
Mpc |
error for best distance estimate |
bestdist_method |
|
|
General method used for best distances: CF3-Z, Karachentsev, NED-D, Mei, Cantiello, EVCC, HyperLeda |
bestdist_source |
|
|
Source/Reference for bestdist, see Section 3 |
dist_ned_flag |
|
|
Flags galaxies with NED-D best distance exceptions as described in Section 3.2 |
| Mass |
- |
- |
Section 4 |
logmass_gi |
|
[Msun] |
log(M*) from (g-i) |
logmass_gr |
|
[Msun] |
log(M*) from (g-r) |
logmass_BV |
|
[Msun] |
log(M*) from (B-V) |
logmass_BR |
|
[Msun] |
log(M*) from (B-R) |
logmass⭐ |
|
[Msun] |
Compiled best log(M*) estimate |
logmass_error⭐ |
|
[Msun] |
Error on logmass |
logmass_src⭐ |
|
|
Color used for best mass estimate: g-i, g-r, B-V, B-R |
| X-ray |
- |
- |
Section 6 |
chandra_observation |
|
|
True if CSCView crossmatch returned a limiting sensitivity at matching position as described in Section 6 |
chandra_detection |
|
|
True if CSCView crossmatch returned flux information within a 1" matching radius as described in Section 6 |
log_lx |
|
|
X-ray luminosity log(L_x/erg/sec) calculated from the CSC 0.5-7 keV flux, using a 1" matching radius |
chandra_detection_3arcsec |
|
|
True if CSCView crossmatch returned flux information within a 3" matching radius as described in Section 6 |
log_lx_3arcsec |
|
|
X-ray luminosity log(L_x/erg/sec) calculated from the CSC 0.5-7 keV flux, using a 3" matching radius |
