Column | Value | | Explain (UCD) |
_RAJ2000 | 03 46 35.161 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra) (POS_EQ_RA) |
_DEJ2000 | +24 05 55.31 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC) |
_RAB1950 | 03 43 36.579 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra) (POS_EQ_RA) |
_DEB1950 | +23 56 41.19 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec) (POS_EQ_DEC) |
_Glon | 166.507777 | deg | Galactic longitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lon) (POS_GAL_LON) |
_Glat | -23.598086 | deg | Galactic latitude at Epoch=J2015.5, proper motions taken into account (pos.galactic.lat) (POS_GAL_LAT) |
765recno | 765 | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
|
Cluster | Melotte_22 | | Cluster name (meta.id;meta.main) (ID_MAIN) |
RA_ICRS | 056.6466 | deg | (i) Cluster center right ascension (ICRS) at Ep=2015.5 (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
DE_ICRS | +24.0985 | deg | (i) Cluster center declination (ICRS) at Ep=2015.5 (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
r50 | 1.281 | deg | Radius in which half of the identified members are located (phys.size.radius) (PHYS_SIZE_RADIUS_GENERAL) |
N | 847 | | Number of cluster stars (meta.number) (NUMBER) |
pmRA | 19.954 | mas/yr | Cluster proper motion along RA, pmRA*cosDE (pos.pm;pos.eq.ra) (POS_EQ_PMRA) |
e_pmRA | 1.107 | mas/yr | rms uncertainty on pmRA (stat.error;pos.pm;pos.eq.ra) (ERROR) |
pmDE | -45.511 | mas/yr | Cluster proper motion along DE (pos.pm;pos.eq.dec) (POS_EQ_PMDEC) |
e_pmDE | 1.179 | mas/yr | rms uncertainty on pmDE (stat.error;pos.pm;pos.eq.dec) (ERROR) |
Plx | 7.352 | mas | Cluster mean parallax (pos.parallax;stat.mean) (POS_PARLX_TRIG) |
e_Plx | 0.181 | mas | rms uncertainty on plx (stat.error;pos.parallax) (ERROR) |
RV | 5.792 | km/s | Cluster mean radial velocity (phys.veloc;pos.heliocentric) (VELOC_HC) |
e_RV | 1.109 | km/s | rms uncertainty on pm RV (stat.error) (ERROR) |
NRV | 200 | | Number of RV measurements (meta.number) (NUMBER) |
Dist | 135 | pc | Cluster distance (pos.distance) (PHYS_DISTANCE_TRUE) |
e_Dist | 1 | pc | rms uncertainty on Dist (stat.error) (ERROR) |
logage | 8.116 | [yr] | Age (time.age) (TIME_AGE) |
e_logage | 0.108 | [yr] | rms uncertainty on logage (stat.error;time.age) (ERROR) |
[Fe/H] | 0.032 | [-] | Metallicity (phys.abund.Z) (PHYS_ABUND_FE/H) |
e_[Fe/H] | 0.029 | [-] | rms uncertainty on [Fe/H] (stat.error;phys.abund.Fe) (ERROR) |
Av | 0.168 | mag | Absorption in V band (phot.mag) (PHOT_EXTINCTION_ISM) |
e_Av | 0.025 | mag | rms uncertainty on Av (stat.error) (ERROR) |
FileName | clusters1/Melotte_22.dat | | Name of the table with stars data (meta.id) (ID_FILE) |
|
SimbadName | Cl Melotte 22 | | Designation understandable by the Simbad data-base (meta.id) (ID_ALTERNATIVE) |
_RA.icrs | 056.6465 | deg | (i) Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra) (POS_EQ_RA_OTHER) |
_DE.icrs | +24.0987 | deg | (i) Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec) (POS_EQ_DEC_OTHER) |