SOURCE LISTRow Object Name EquJ2000.0 Object Velocity/Redshift Mag./ Separ. Number of Row No. (* => Essential Note) RA DEC Type km/s z Qual Filter arcmin Refs Notes Phot Posn Vel/z Diam Assoc Images Spectra No. 1 NGC 6999 21h01m59.5s -28d03m32s G 11000 0.036692 14.97 ... 28 2 36 8 7 16 0 Retrieve Retrieve 1 |
INDEX for NGC 6999 | |||
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Detailed Data (NED queries): |
ESSENTIAL NOTE for NGC 6999 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 6999 (Back to INDEX)
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COORDINATES for NGC 6999 (Back to INDEX) Position Reference:1996A&AS..116..203S Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 314.752200 -28.256244 20h59m00.528s -28d15m22.48s 5.00E-01 5.00E-01 0 Equatorial (J2000.0) 315.498083 -28.058920 21h01m59.540s -28d03m32.11s 5.00E-01 5.00E-01 0 Ecliptic (B1950.0) 309.130862 -10.686804 5.00E-01 5.00E-01 0 Ecliptic (J2000.0) 309.830341 -10.691456 5.00E-01 5.00E-01 0 Galactic 17.752797 -39.648168 5.00E-01 5.00E-01 0 SuperGalactic 241.739480 36.517563 5.00E-01 5.00E-01 0Additional detailed measurements with references are also available by clicking below: 8 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 6999 (Back to INDEX) 3 Distances found in NED View 3 Individual Distance Measurement(s) for NGC 6999 Summary Statistics computed by NED from 3 Distance(s) in the literature: NOTE: These summary statistics are provided for "quick-look" reference only; they are based exclusively on original values, as published. No homogenization or corrections have been applied.
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CLASSIFICATIONS (TYPES, ATTRIBUTES) for NGC 6999 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 6999 (Back to INDEX)Galactic Extinction from the Schlafly & Finkbeiner 2011, Appendix; 2011ApJ...737..103S (SF11) recalibration
For completeness, we include the original SFD98 values:
Galactic Extinction based on H I Column Densities and Galaxy Counts (Burstein & Heiles; 1982AJ.....87.1165B) assuming Rv = 3.1: AB = 0.420 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 6999 (Back to INDEX)Helio. Radial Velocity : 11000 +/- 11 km/s Redshift : 0.036692 +/- 0.000036 2000MNRAS.313..469S Major Diameter (arcmin) : 0.9 Minor Diameter (arcmin) : 0.7 Magnitude and Filter : 14.97 Classifications : SA(s)0^0^ NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 6999 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 11000 +/- 11 km/s 2000MNRAS.313..469S V (Kinematic LSR) : 11006 +/- 11 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 11057 +/- 11 km/s 1991RC3.9.C...0000d V (Local Group) : 11076 +/- 12 km/s 1996AJ....111..794K V (3K CMB) : 10747 +/- 21 km/s 1996ApJ...473..576F V (Virgo Infall only) : 10966 +/- 14 km/s 2000ApJ...529..786M V (Virgo + GA only) : 11132 +/- 18 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 11171 +/- 18 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 151.5 +/- 10.6 Mpc (m-M) = 35.90 +/- 0.15 mag D (Local Group) : 151.7 +/- 10.6 Mpc (m-M) = 35.91 +/- 0.15 mag D (3K CMB) : 147.2 +/- 10.3 Mpc (m-M) = 35.84 +/- 0.15 mag D (Virgo Infall only) : 150.2 +/- 10.5 Mpc (m-M) = 35.88 +/- 0.15 mag D (Virgo + GA only) : 152.5 +/- 10.7 Mpc (m-M) = 35.92 +/- 0.15 mag D (Virgo + GA + Shapley) : 153.0 +/- 10.7 Mpc (m-M) = 35.92 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 734 pc/arcsec = 0.734 kpc/arcsec = 44.06 kpc/arcmin = 2.64 Mpc/degree Scale (Local Group) : 736 pc/arcsec = 0.736 kpc/arcsec = 44.13 kpc/arcmin = 2.65 Mpc/degree Scale (3K CMB) : 714 pc/arcsec = 0.714 kpc/arcsec = 42.82 kpc/arcmin = 2.57 Mpc/degree Scale (Virgo Infall only) : 728 pc/arcsec = 0.728 kpc/arcsec = 43.70 kpc/arcmin = 2.62 Mpc/degree Scale (Virgo + GA only) : 739 pc/arcsec = 0.739 kpc/arcsec = 44.36 kpc/arcmin = 2.66 Mpc/degree Scale(Virgo + GA + Shapley): 742 pc/arcsec = 0.742 kpc/arcsec = 44.51 kpc/arcmin = 2.67 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 6999 (Back to INDEX) The brightest flux in each of the following spectral regions, when available: Gamma-Ray (ν > 2E19 Hz); X-Ray (2E19 Hz > ν > 2E16 Hz); Ultraviolet (2E16 Hz > ν > 9E14 Hz); Visual (9E14 Hz > ν > 3E14 Hz); Near-Infrared (3E14 Hz > ν > 6E13 Hz); Mid-Infrared (6E13 Hz > ν > 7.5E12 Hz); Far-Infrared (7.5E12 Hz > ν > 1E12 Hz); Sub-Millimeter (1E12 Hz > ν > 3E11 Hz); Millimeter (3E11 Hz > ν > 3E10 Hz); Radio (3E10 Hz > ν).
a Metric Distance of (174.000 +/- 23.388) Mpc using the Average NED-D value. The quantities quoted above have not necessarily been corrected for foreground extinction, and no K-Corrections have been applied. View details and SED for 36 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 6999 (Back to INDEX) The largest diameters in the Visual and Near-Infrared spectral regions, when available:
The quantities quoted above have not necessarily been corrected for foreground extinction. View details for 16 Diameter data point(s) available in NED. |