| Show | Sort | Join tables | Column | Constraint | Explain (UCD) |
| | | (ALL) | recno | | Record number assigned by the VizieR team. Should Not be used for identification. (RECORD) |
| | |  (ALL) | BNJ | (char) | (i) Star designation, Cl* Collinder 121 BNJ N-NNNN (ID_MAIN) |
| | | (1) | n_BNJ | (char) | indicates that the star has an X-ray flux detailed in table2 or 3 (DATA_LINK) |
| | | (ALL) | RAJ2000 | "h:m:s" | (i) Right ascension (J2000.0) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| | | (ALL) | DEJ2000 | "d:m:s" | (i) Declination (J2000.0) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| | | (1+3) | Xpos | pix | X position (POS_CCD_X) |
| | | (1+3) | Ypos | pix | Y position (POS_CCD_Y) |
| | | (1) | Vmag | mag | (n) V magnitude (PHOT_JHN_V) |
| | | (1) | e_Vmag | mag | (n) rms uncertainty on Vmag (ERROR) |
| | | (1) | q_Vmag | (char) | Quality flag on Vmag (Note 1)
(CODE_QUALITY) |
| | | (1) | q_Icmag | (char) | Quality flag on Icmag (Note 1)
(CODE_QUALITY) |
ALL cols | | | |
| | | (1) | V-Ic | mag | (n) Cousins V-I colour index (PHOT_COUS_V-I) |
| | | (1) | e_V-Ic | mag | (n) rms uncertainty on V-Ic (ERROR) |
| | | (1) | Xpms | (char) | [pn] X-ray selected pre-main sequence star: 'p' if it is also a proper motion member, 'n' if it is not a proper motion member. (NOTE) |
| | | (2) | XMM | | XMM source index number (Note 1)
(ID_NUMBER) |
| | | (2) | n_XMM | (char) | [s] s: source from the S308 XMM-Newton pointing (NOTE) |
| | | (2) | Offset | arcsec | Offset from optical position (POS_ANG_DIST_GENERAL) |
| | | (2) | CR | ct/s | EPIC count rate (PHOT_COUNT-RATE_X) |
| | | (2) | e_CR | ct/s | rms uncertainty on CR (ERROR) |
| | | (2+3) | Old | (char) | Old star number, in version before 07-Oct-2004 (ID_NUMBER) |
| | | (3) | ROSAT | | ROSAT source index number, [BNJ2003] ROSAT NN (ID_NUMBER) |
| | | (3) | Flux | 10-15W/m2 | ROSAT flux (PHOT_FLUX_X) |
ALL cols | | | |