INDEX for NGC 2977 | |||
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Detailed Data (NED queries): |
ESSENTIAL NOTE for NGC 2977 (Back to INDEX)N/A |
CROSS-IDENTIFICATIONS for NGC 2977 (Back to INDEX)
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COORDINATES for NGC 2977 (Back to INDEX) Position Reference:2003A&A...411..391L Reference Frame Longitude Latitude RA DEC Uncertainty Ellipse (arcsec) (degrees) (degrees) Semimajor Semiminor PA(deg) Equatorial (B1950.0) 144.712417 75.089139 09h38m50.98s +75d05m20.9s 1.25E+00 1.25E+00 0 Equatorial (J2000.0) 145.942887 74.860231 09h43m46.29s +74d51m36.8s 1.25E+00 1.25E+00 0 Ecliptic (B1950.0) 111.961924 55.832650 1.25E+00 1.25E+00 0 Ecliptic (J2000.0) 112.664701 55.838465 1.25E+00 1.25E+00 0 Galactic 136.712306 36.793380 1.25E+00 1.25E+00 0 SuperGalactic 36.581153 4.305092 1.25E+00 1.25E+00 0Additional detailed measurements with references are also available by clicking below: 13 Position data point(s) |
REDSHIFT-INDEPENDENT DISTANCES for NGC 2977 (Back to INDEX) 4 Distances found in NED View 4 Individual Distance Measurement(s) for NGC 2977 Summary Statistics computed by NED from 4 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 2977 (Back to INDEX)
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FOREGROUND GALACTIC EXTINCTION for NGC 2977 (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 = 0.030 mag See Notes on Galactic Extinction for important caveats. |
BASIC DATA for NGC 2977 (Back to INDEX)Helio. Radial Velocity : 3049 +/- 2 km/s Redshift : 0.010170 +/- 0.000007 2008MNRAS.388..500E Major Diameter (arcmin) : 1.8 Minor Diameter (arcmin) : 0.8 Magnitude and Filter : 13.3 Classifications : Sb: NOTE: This information is indicative only. With the exception of the |
QUANTITIES DERIVED FROM REDSHIFT for NGC 2977 (Details)(Back to INDEX)Calculated and Corrected Velocities V (Heliocentric) : 3049 +/- 2 km/s 2008MNRAS.388..500E V (Kinematic LSR) : 3056 +/- 2 km/s 1986MNRAS.221.1023K V (Galactocentric GSR) : 3175 +/- 5 km/s 1991RC3.9.C...0000d V (Local Group) : 3218 +/- 10 km/s 1996AJ....111..794K V (3K CMB) : 3094 +/- 4 km/s 1996ApJ...473..576F V (Virgo Infall only) : 3359 +/- 14 km/s 2000ApJ...529..786M V (Virgo + GA only) : 3350 +/- 14 km/s 2000ApJ...529..786M V (Virgo + GA + Shapley) : 3360 +/- 14 km/s 2000ApJ...529..786M Hubble Flow Distance and Distance Modulus (where Ho = 73.0 +/- 5 km/sec/Mpc) D (Galactocentric GSR) : 43.5 +/- 3.0 Mpc (m-M) = 33.19 +/- 0.15 mag D (Local Group) : 44.1 +/- 3.1 Mpc (m-M) = 33.22 +/- 0.15 mag D (3K CMB) : 42.4 +/- 3.0 Mpc (m-M) = 33.14 +/- 0.15 mag D (Virgo Infall only) : 46.0 +/- 3.2 Mpc (m-M) = 33.31 +/- 0.15 mag D (Virgo + GA only) : 45.9 +/- 3.2 Mpc (m-M) = 33.31 +/- 0.15 mag D (Virgo + GA + Shapley) : 46.0 +/- 3.2 Mpc (m-M) = 33.32 +/- 0.15 mag Scale at Hubble Flow Distances Scale (Galactocentric GSR) : 211 pc/arcsec = 0.211 kpc/arcsec = 12.65 kpc/arcmin = 0.76 Mpc/degree Scale (Local Group) : 214 pc/arcsec = 0.214 kpc/arcsec = 12.82 kpc/arcmin = 0.77 Mpc/degree Scale (3K CMB) : 206 pc/arcsec = 0.206 kpc/arcsec = 12.33 kpc/arcmin = 0.74 Mpc/degree Scale (Virgo Infall only) : 223 pc/arcsec = 0.223 kpc/arcsec = 13.39 kpc/arcmin = 0.80 Mpc/degree Scale (Virgo + GA only) : 222 pc/arcsec = 0.222 kpc/arcsec = 13.35 kpc/arcmin = 0.80 Mpc/degree Scale(Virgo + GA + Shapley): 223 pc/arcsec = 0.223 kpc/arcsec = 13.39 kpc/arcmin = 0.80 Mpc/degree |
QUICK-LOOK PHOTOMETRY and LUMINOSITIES for NGC 2977 (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 (44.000 +/- 0.627) 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 48 Photometric data point(s) available in NED. |
QUICK-LOOK ANGULAR & PHYSICAL DIAMETERS for NGC 2977 (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 10 Diameter data point(s) available in NED. |