| Column | Value | | Explain (UCD) |
| _RAJ2000 | 04 27 33.4400 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA) |
| _DEJ2000 | +74 07 30.000 | "d:m:s" | Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC) |
| _RAB1950 | 04 21 25.7403 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA) |
| _DEB1950 | +74 00 44.573 | "d:m:s" | Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC) |
| _Glon | 136.3313297 | deg | Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON) |
| _Glat | +17.1935814 | deg | Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT) |
| 30recno | 30 | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
|
| Name | 2RE J042734+740709 | | Source name (meta.id) (ID_IDENTIFIER) |
| l_S1 | | | Limit flag on S1 (meta.code.error) (CODE_LIMIT) |
| S1 | 90.4 | ct/ks | WFC survey filter S1 (60-140A) counts (phot.count;em.X-ray) (PHOT_COUNT-RATE_X) |
| l_S2 | | | Limit flag on S2 (meta.code.error) (CODE_LIMIT) |
| S2 | 42.5 | ct/ks | WFC survey filter S2 (110-200A) counts (phot.count;em.X-ray) (PHOT_COUNT-RATE_X) |
| NH | 11.6 | 10+20cm-2 | Galactic Hydrogen column density (phys.columnDensity) (PHYS_COLUMN_DENSITY) |
| RAJ2000 | 04 27 33.44 | "h:m:s" | (i) Right ascension J2000 (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| DEJ2000 | +74 07 30.0 | "d:m:s" | (i) Declination J2000 (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
| n_DEJ2000 | | | [g:] A 'g' indicates that the data are from the Hubble Space Telescope Guide Star Catalog (meta.note) (NOTE) |
| Vmag | 14.80 | mag | V magnitude of the optical counterpart (phot.mag;em.opt.V) (PHOT_MAG_V) |
| Vmag2 | | mag | Upper limit of Vmag when n_Vmag2='-' (phot.mag;em.opt.V) (PHOT_MAG_V) |
| u_Vmag | | | Uncertainty flag on Vmag (meta.code.error) (CODE_ERROR) |
| n_Vmag | (Ec) | | Note on Vmag (Note 1)
(meta.note) (NOTE) |
| B-V | -0.2 | mag | B-V color index of the optical counterpart (phot.color;em.opt.B;em.opt.V) (PHOT_CI_B-V) |
| SpType | DA | | Spectral type of the optical counterpart (src.spType) (SPECT_TYPE_GENERAL) |
| l_alpha | | | Limit flag on alpha (meta.code.error;pos.eq.ra) (CODE_LIMIT) |
| alpha | -1.59 | | Source apparent EUV to optical flux ratio (phot.flux;arith.ratio) (PHOT_FLUX_RATIO) |
| Class | WD | | Identification class (Note 2)
(src.class) (CLASS_OBJECT) |
| EWCa | | 0.1nm | Equivalent width of the Ca H 3933A chromospheric emission line (for stars only) (spect.line.eqWidth) (SPECT_EQ-WIDTH) |
| n_EWCa | | | [u-] Note on EWCa (Note 3)
(meta.note) (NOTE) |
| EWHa | | 0.1nm | Equivalent width of the Halpha line (for stars only) (spect.line.eqWidth) (SPECT_EQ-WIDTH) |
| n_EWHa | | | [?u-] Note on EWHa (Note 3)
(meta.note) (NOTE) |
| FWHb | 3.1 | 10+3km/s | Full width at half maximum of the Hbeta line (spect.line.width) (SPECT_LINE_WIDTH) |
| EWHb | 9.0 | 0.1nm | Equivalent width of the Hbeta line (spect.line.eqWidth) (SPECT_EQ-WIDTH) |
| u_EWHb | | | Uncertainty flag on EWHb (meta.code.error) (CODE_ERROR) |
| X | y | | [y] y: there is an X-ray telescope position available for the source (meta.note) (REMARKS) |
| Note | | | [+] +: additional information in appena file (meta.note) (NOTE) |
| Com | | | Comments (meta.note) (REMARKS) |
