| VII/112/catalog | RC2 Catalogue (de Vaucouleurs+ 1976) The RC2 catalogue (4364 rows) | recno=848 |
| Column | Value | Explain (UCD) | |
| _RAJ2000 | 04 57 22.06 | "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) |
| _DEJ2000 | +78 11 28.4 | "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) |
| _RAB1950 | 04 49 43.20 | "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) |
| _DEB1950 | +78 06 42.0 | "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) |
| _Glon | 134.04170 | 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) |
| _Glat | +21.06202 | 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) |
| 848recno | 848 | Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) | |
| Name | IC 391 | RC2 identification (NGC, IC, or anonymous) (meta.id;meta.main) | |
| m_Name | Component identification (A, B, C, etc.) (Note 1) (meta.code.multip) | ||
| RA1950 | 04 49 43 | "h:m:s" | (i) Hours RA, 1950.0 (pos.eq.ra;meta.main) |
| DE1950 | +78 06.7 | "d:m:s" | (i) Degrees Dec, 1950.0 (pos.eq.dec;meta.main) |
| GLON | 134.05 | deg | Galactic longitude (pos.galactic.lon) |
| SGLON | 20.7 | deg | Supergalactic longitude (pos.supergalactic.lon) |
| MType | .SAS5.. | Revised morphological Type (Table 2) (Note 9) (src.morph.type) | |
| Hubble | 5 | Numerical Hubble Sequence Index T (Table 3) (Note 9) (meta.code;spect.index;obs.sequence) | |
| n_Hubble | [*RP$] Remark on Hubble Sequence Index (Note 8) (meta.note) | ||
| Plate | L036 | Source of plate (Table 4) (Note 9) (meta.ref;pos.frame;instr.plate) | |
| r_MType | V | Morphological type author code (Table 5) (Note 9) (meta.note) | |
| Yerkes_1 | Yerkes list 1 type and color classes (Note 6) (meta.note;phot.color) | ||
| Byurkan | [1/5] Nuclear type in Byurkan system (Note 2) (meta.note) | ||
| n_Byurkan | [*$S2-5] Note on Byurkan nucleus type (Note 2) (meta.note) | ||
| logD25 | 1.24 | [0.1arcmin] | Major isophotal diameter, log(D_25) (phys.angSize) |
| logR25 | 0.01 | Ratio major to minor diameter, log(R_25) (phys.angSize;arith.ratio) | |
| logD(0)25 | 1.24 | [0.1arcmin] | Face-on major isophotal diameter (phys.angSize) |
| logAe | [0.1arcmin] | Effective aperture diameter, log(Ae) (phys.angSize;instr.fov) | |
| u_logAe | [*$] '*'=uncertain, '$'=doubtful (meta.code.error) | ||
| ID | Object identifications (Note 9) (meta.id) | ||
| precRAm | 15.36 | 0.01min/yr | Centennial precession in RA, minutes (pos.precess;pos.eq.ra) |
| precDEm | 9.0 | 0.01arcmin/yr | Centennial precession in DE, arcminutes (pos.precess;pos.eq.dec) |
| GLAT | 21.06 | deg | Galactic latitude (pos.galactic.lat) |
| SGLAT | 5.4 | deg | Supergalactic latitude (pos.supergalactic.lat) |
| DDOType | David Dunlap Obs. (van den Bergh) type (Note 7) (meta.note) | ||
| DDOClass | David Dunlap Obs. luminosity class (Note 7) (src.class.luminosity) | ||
| u_DDOClass | [*$] '*'=uncertain, '$'=doubtful (meta.code.error) | ||
| Weight | 2.4 | ]0/5] Plate material weight (Note 9) (stat.weight;phys.atmol.weight;instr.plate) | |
| Yerkes_2 | Yerkes list 2 type and nuclear class (Note 6) (src.morph.type) | ||
| RC1 | RC1 nuclear class (Note 9) (meta.code.class) | ||
| e_logD25 | 0.046 | [0.1arcmin] | Mean error of logD25 (stat.error) |
| e_logR25 | 0.045 | Mean error of logR25 (stat.error) | |
| D0 | 1.29 | [0.1arcmin] | Corrected log(D(0)25) for galactic extinc. (arith.zp) |
| e_logAe | [0.1arcmin] | Mean error of log(Ae) (stat.error) | |
| Hmag | mag | Harvard photographic magnitude, mH (phot.mag;em.opt) | |
| u_Hmag | [*] if Hmag uncertain (meta.code.error) | ||
| BT | 13.00 | mag | Total asymptotic B magnitude (BT) (phot.mag;em.opt.B) |
| n_BT | [*S] Flag on BT, see note (Note 3) (meta.note) | ||
| SuBr | mag/arcsec2 | Mean B surface brightness within Ae (Note 9) (phot.mag.sb;em.opt.B) | |
| Extinct | 0.61 | mag | Galactic extinction in B system (A_B) (Note 9) (phys.absorption.gal) |
| (B-V)T | 0.31 | mag | Asymptotic color index (Note 9) (phot.color;em.opt.B;em.opt.V) |
| n_(B-V)T | [*] Flag on (B-V)T, see comment (Note 3) (meta.note) | ||
| (U-B)T | mag | Asymptotic color index (Note 9) (phot.color;em.opt.U;em.opt.B) | |
| n_(U-B)T | [*] Flag on (U-B)T, see comment (Note 3) (meta.note) | ||
| (B-V)Ae | mag | Effective aperture color index (Note 9) (phot.color;em.opt.B;em.opt.V) | |
| n_(B-V)Ae | [*] Flag on (B-V)Ae, see comment (Note 3) (meta.note) | ||
| (U-B)Ae | mag | Effective aperture color index (Note 9) (phot.color;em.opt.U;em.opt.B) | |
| n_(U-B)Ae | [*] Flag on (U-B)Ae, see comment (Note 3) (meta.note) | ||
| B-V | 0.15 | mag | Total B-V color index, corrected (Note 9) (phot.color;em.opt.B;em.opt.V) |
| logS_R | [10mJy] | Radio continuum flux near 1.4GHz (21cm) (phot.flux.density;em.radio.750-1500MHz) | |
| n_logS_R | [$+*] Conditional code for logS_R (Note 4) (meta.note) | ||
| SpIndex1 | Spectral index, α- for ν < ν_R (spect.index) | ||
| u_SpIndex1 | [$*] '*'=uncertain, '$'=very uncertain (meta.code.error) | ||
| logS_H | [10-22W/m2] | Integrated HI flux density (phot.flux.density;em.line.HI) | |
| n_logS_H | [$+*] Conditional code for logS_H (Note 4) (meta.note) | ||
| RIndex | mag | Corrected radio index (RI) (Note 9) (spect.index;em.radio) | |
| u_RIndex | [$] '$' for doubtful RIndex value (meta.code.error) | ||
| RadVel | 1486 | km/s | Observed Radial velocity (cz) (spect.dopplerVeloc) |
| u_RadVel | [*] '*' if discrepant RadVel values (meta.code.error) | ||
| RadVel0 | 1687 | km/s | Radial velocity corrected for solar motion (spect.dopplerVeloc) |
| Appendix | [PST ] Appendices codes, see comment (Note 5) (meta.ref;pos.frame) | ||
| Zwicky | Zwicky identifications (meta.id) | ||
| HmagCorr | mag | Corrected Harvard photog. magnitude (Note 9) (phot.mag;em.opt.B) | |
| e_BT | 0.15 | mag | Estimated mean error of BT (Note 9) (stat.error;phot.mag;em.opt.B) |
| SuBrAv | 14.0 | mag/arcsec2 | Average surface brightness (Note 9) (phot.mag.sb) |
| BT0 | 12.37 | mag | Corrected face-on magnitude (Note 9) (phot.mag;em.opt.B) |
| e_(B-V)T | 0.06 | mag | Mean error of asymptotic color (Note 9) (stat.error) |
| e_(U-B)T | mag | Mean error of asymptotic color (Note 9) (stat.error) | |
| e_(B-V)Ae | mag | Mean error of effective color (Note 9) (stat.error) | |
| e_(U-B)Ae | mag | Mean error of effective color (Note 9) (stat.error) | |
| (U-B)T0 | Total corrected U-B color index (Note 9) (phot.color;em.opt.U;em.opt.B) | ||
| o_SpIndex1 | Number of radio continuum measurements (meta.number) | ||
| o_logS_R | Number of radio measurements for logS_R (meta.number) | ||
| o_SpIndex2 | Number of radio continuum measurements (meta.number) | ||
| SpIndex2 | Spectral index, α+ for ν > ν_R (spect.index) | ||
| u_SpIndex2 | [$*] '*'=uncertain, '$'=very uncertain (meta.code.error) | ||
| o_logS_H | Number of 21cm emission line observations (meta.number) | ||
| A21 | mag | Self-absorption at 21 cm (1.4GHz) (phot.mag;em.radio.750-1500MHz) | |
| HI | mag | Neutral hydrogen index (Note 9) (phot.color) | |
| u_HI | [$] '$' if HI is doubtful (meta.code.error) | ||
| o_RadVelR | 0 | Number of radio observations for RadVel (meta.number) | |
| o_RadVelO | 1 | Number of optical observations for RadVel (meta.number) | |
| e_RadVel | 116 | km/s | Radial velocity mean error (stat.error) |
| DVelSun | 201 | km/s | Solar motion correction, delta V (arith.factor;phys.veloc;pos.cartesian.y) |
| _RA.icrs | 04 57 22 | "h:m:s" | (i) Right ascension (ICRS) (computed by VizieR, not part of the original data) (pos.eq.ra) |
| _DE.icrs | +78 11.5 | "d:m:s" | (i) Declination (ICRS) (computed by VizieR, not part of the original data) (pos.eq.dec) |
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