| Column | Value | | Explain (UCD) |
| _RAJ2000 | 18 08 30.0000 | "h:m:s" | Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000. (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 | -18 23 00.000 | "d:m:s" | Declination (FK5, Equinox=J2000.0) at Epoch=J2000. (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 | 18 05 34.0135 | "h:m:s" | Right ascension (FK4, Equinox=B1950.0) at Epoch=J2000. (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 | -18 23 30.754 | "d:m:s" | Declination (FK4, Equinox=B1950.0) at Epoch=J2000. (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 | 011.7513989 | deg | Galactic longitude at Epoch=J2000. (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 | +00.7736815 | deg | Galactic latitude at Epoch=J2000. (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) |
| 114recno | 114 | | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD) |
|
| VdB | 114 | | (i) [1-158] van den Bergh catalog number (Note 1)
(meta.id;meta.main) (ID_MAIN) |
| RemFlag | | | '*' if remark is given in the publication (meta.note) (REMARKS) |
| DM | BD-18 4800 | | Durchmusterung (BD, CD or CP) designation (meta.id) (ID_ALTERNATIVE) |
| HD | 165811 | | [1/359083] Henry Draper Catalog (HD) number (meta.id) (ID_ALTERNATIVE) |
| HD2 | | | HD number suffix if second designation given (meta.note) (NOTE) |
| SpType | A | | Spectral type (src.spType) (SPECT_TYPE_GENERAL) |
| Vmag | 9.10 | mag | V magnitude (phot.mag;em.opt.V) (PHOT_MAG_V) |
| n_Vmag | | | [v] 'v' if variable magnitude (meta.note) (NOTE) |
| Type | I | | Type of nebula, see Note (Note 2)
(src.class) (CLASS_OBJECT) |
| SurfBr | F | | Surface brightness on the blue PSS prints (Note 3)
(phot.mag.sb) (PHOT_SB_GENERAL) |
| Color | B | | Coded reference to colors, see Note (Note 4)
(src.class.color) (CLASS_COLOR) |
| Absorb | Mod | | Absorption in field of nebula (Note 5)
(meta.code) (CODE_MISC) |
| BRadMax | 0.6 | arcmin | Maximum radii observed on blue PSS prints (phys.angSize) (EXTENSION_DIAM) |
| u_BRadMax | | | Uncertainty flag (:) on BRadMax (meta.code.error) (CODE_ERROR) |
| RRadMax | | arcmin | Maximum radii observed on red PSS prints (phys.angSize) (EXTENSION_DIAM) |
| u_RRadMax | | | Uncertainty flag (:) on BRadMax (meta.code.error) (CODE_ERROR) |
|
| Simbad | BD-18 4800 | | ask the Simbad data-base about this object (meta.ref.url) (DATA_LINK) |
| _RA | 272.12500 | deg | (i) Right Ascension (J2000) from SIMBAD (not part of the original data) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN) |
| _DE | -18.38333 | deg | (i) Declination (J2000) from SIMBAD (not part of the original data) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN) |
|
| oGLON | 11.8 | deg | Original Galactic longitude (pos.galactic.lon) (POS_GAL_LON) |
| oGLAT | 0.8 | deg | Original Galactic latitude (pos.galactic.lat) (POS_GAL_LAT) |
