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Results for object NGC 4038 (Antennae Galaxy NED01)

Overview
Cross-IDs (40)
Coordinates (34)
Redshifts (21)
Distances (27)
Classifications (41)
Galactic Extinctions
Notes (16)
Diameters (26)
Photometry & SED (81)
Spectra (3)
Images (65)
References (613)
External Links
Survey Coverage

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POSS-II F (North), AAO-SES/SERC-ER (South), Red image
View in IRSA Finderchart
Image Credit: Caltech or AAO/ROE

Selected data and derived quantities for NGC 4038†. More information in the tabs above.
Cross-identifications				Essential note
NGC 4038; UGCA 264; ESO 572-IG 047; ESO 115919-1835.2; ARP 244 NED01				ESO-LV has two entries for this object.
Coordinates for Preferred Position
Equatorial (J2000)					Galactic
RA, Dec	RA, Dec [Deg]	Unc Semi-major,minor ["]	Unc PA [deg]	Reference	Lon, Lat [deg]
12h01m53.010s, -18d52m03.40s	180.470875, -18.867611	2.00E-01, 2.00E-01	0	20002MASS.2.......:	286.958694, 42.461974
Preferred Redshift & Derived Quantities [H₀ = 67.8 km/sec/Mpc], Ωmatter = 0.308, Ωvacuum = 0.698]					Redshift-independent Distances
z (Helio)	V (Helio) [km/s]	Reference	V (CMB) [km/s]	Hubble Distance (CMB) [Mpc]	# Measurements
0.00548 +/- 0.00004	1641.963522 +/- 11.991700	1989ESOLV.C...0000L	1997 +/- 28	29.45 +/- 2.10	27
Classifications
Object Type	Morphology	Reference	Activity Type	Reference	Other
G	SB(s)m pec	1991RC3.9.C...0000d			SB(s)m pec
Quick-look Angular & Physical Diameters				Foreground Galactic Extinction (2011ApJ...737..103S)
Passband	Diameter ["]	Reference	Diameter [kpc]	A_λ [mag] V	A_λ [mag] K
ESO-LV "Quick Blue" IIa-O	1905.46	1989ESOLV.C...0000L	194.51	0.127	0.014
Quick-look Photometry & Luminosities (brightest flux in each spectral region)
Spectral region	Band	Apparent mag or flux	Reference	Absolute Mag or νL_ν [W]	νL_ν [L_☉(bol)]
X-Ray	0.2-4 keV (EINSTEIN)	14.16E-13 ergs sec^-1^ cm^-2^	1992ApJS...80..531F	7.52E+33 [W]	1.96E+07
UV	NUV (GALEX) AB	12.35 +/- 0.00 mag	2010AJ....139.1212S	-19.23 +/- 0.18 [mag]	7.82E+09 +/- 5.64E+08
Visible	R (Cousins) (R_T)	9.74 +/- 0.09 mag	1989ESOLV.C...0000L	-21.84 +/- 0.20 [mag]	2.53E+10 +/- 2.85E+09
Near-IR	K (HST)	10.77 +/- 0.05 mag	2007AJ....134.2124R	-20.81 +/- 0.19 [mag]	6.26E+08 +/- 5.35E+07
Far-IR	100 microns (IRAS)	85.69 +/- 8.20 Jy	2004AJ....127.3235S	1.36E+37 +/- 1.63E+36 [W]	3.55E+10 +/- 4.25E+09
Radio	80 MHz	5. Jy	1995AuJPh..48..143S	2.12E+31 [W]	5.52E+04
†Derived quantities are based on the median redshift-independent distance when available, otherwise the preferred redshift is used with the selected cosmological parameters (which can be changed in search options).
Cosmological params can be changed in search options.

Cross-identifications for NGC 4038

Coordinates for NGC 4038

Preferred Position: 12h01m53.010s -18d52m03.40s Equatorial J2000.0 ()

Preferred Position of NGC 4038

Reference Frame	Longitude	Latitude	Longitude	Latitude	Uncertainty Ellipse (arcsec)
	Decimal Degrees	Decimal Degrees	Sexagesimal	Sexagesimal	Semimajor (a)	Semiminor (b)	PA (deg)
RA/Dec Equatorial (J2000.0)	180.470875	-18.867611	12h01m53.010s	-18d52m03.40s	2.00E-01	2.00E-01	0
RA/Dec Equatorial (B1950.0)	179.829969	-18.589183	11h59m19.192s	-18d35m21.06s	2.00E-01	2.00E-01	0
Galactic	286.958694	42.461974			2.00E-01	2.00E-01	0
Supergalactic	131.778885	-17.268751			2.00E-01	2.00E-01	0
Ecliptic (J2000.0)	188.165259	-17.073865			2.00E-01	2.00E-01	0
Ecliptic (B1950.0)	187.468667	-17.072409			2.00E-01	2.00E-01	0

Measured Positions for NGC 4038

Redshifts and Derived Quantities for NGC 4038

Preferred Redshift: Z = 0.00548, H₀ = 67.8 km/sec/Mpc, Ωmatter = 0.308, Ωvacuum = 0.698

Quantities Derived from Preferred Redshift for NGC 4038

Calculated and Corrected Velocities
Type	Velocities	Reference
V (Heliocentric)	1642 ± 12 km/s	1989ESOLV.C...0000L
V (Kinematic LSR)	1639 ± 12 km/s	1986MNRAS.221.1023K
V (Galactocentric GSR)	1485 ± 14 km/s	1991RC3.9.C...0000d
V (Local Group)	1401 ± 19 km/s	1996AJ....111..794K
V (3K CMB)	1997 ± 28 km/s	1996ApJ...473..576F
V (Virgo Infall only)	1757 ± 31 km/s	2000ApJ...529..786M
V (Virgo + GA only)	1710 ± 31 km/s	2000ApJ...529..786M
V (Virgo + GA + Shapley)	1702 ± 31 km/s	2000ApJ...529..786M
Hubble Flow Distance and Distance Modulus (where H₀ = 67.8 km/sec/Mpc ± km/sec/Mpc)
Type	Distance	Modulus
D (Galactocentric GSR)	21.90 ± 1.55 Mpc	(m-M) = 31.70 ± 0.15 mag
D (Local Group)	20.67 ± 1.47 Mpc	(m-M) = 31.58 ± 0.15 mag
D (3K CMB)	29.45 ± 2.10 Mpc	(m-M) = 32.35 ± 0.15 mag
D (Virgo Infall only)	25.92 ± 1.86 Mpc	(m-M) = 32.07 ± 0.15 mag
D (Virgo + GA only)	25.22 ± 1.77 Mpc	(m-M) = 32.01 ± 0.15 mag
D (Virgo + GA + Shapley)	25.11 ± 1.77 Mpc	(m-M) = 32.00 ± 0.15 mag

Scale at Hubble Flow Distances
Type	Values
Scale (Galactocentric GSR)	106 pc/arcsec = 0.106 kpc/arcsec = 6.37 kpc/arcmin = 0.38 Mpc/degree
Scale (Local Group)	100 pc/arcsec = 0.100 kpc/arcsec = 6.01 kpc/arcmin = 0.36 Mpc/degree
Scale (3K CMB)	143 pc/arcsec = 0.143 kpc/arcsec = 8.57 kpc/arcmin = 0.51 Mpc/degree
Scale (Virgo Infall only)	126 pc/arcsec = 0.126 kpc/arcsec = 7.54 kpc/arcmin = 0.45 Mpc/degree
Scale (Virgo + GA only)	122 pc/arcsec = 0.122 kpc/arcsec = 7.34 kpc/arcmin = 0.44 Mpc/degree
Scale (Virgo + GA + Shapley)	122 pc/arcsec = 0.122 kpc/arcsec = 7.30 kpc/arcmin = 0.44 Mpc/degree
Cosmology-Corrected Quantities [H₀ = 67.8 km/sec/Mpc, Ω_matter = 0.308, Ω_vacuum = 0.698]
[Redshift 0.006661 as corrected to the Reference Frame defined by the 3K CMB]
Type	Values
Luminosity Distance	29.6 Mpc (m-M) = 32.36 mag
Angular-Size Distance	29.2 (m-M) = 32.33 mag
Co-Moving Radial Distance	29.4 (m-M) = 32.34 mag
Co-Moving Tangential Distance	29.4 (m-M) = 32.34 mag
Co-Moving Volume	0.000107 Gpc^3
Light Travel-Time	0.096 Gyr
Age at Redshift 0.006661	13.735 Gyr
Age of Universe	13.830 Gyr
Scale (Cosmology Corrected)	142 pc/arcsec = 0.142 kpc/arcsec = 8.50 kpc/arcmin = 0.51 Mpc/degree
Surface Brightness Dimming	Flux Density per Unit Area = 0.97380; Magnitude per Unit Area = 0.02883 mag

Measured Redshifts of NGC 4038

Images for object NGC 4038 (Antennae Galaxy NED01)

POSS-II F (North), AAO-SES/SERC-ER (South), Red image
View in IRSA Finderchart

Image Credit: Caltech or AAO/ROE

Preview	File Size KB	Information	Lambda m	Clambda	Spectral Region	Band	FOV 1 arcmin	FOV 2 arcmin	Res. arcsec	Telescope	Refcode
Preview	File Size KB	Information	Lambda m	Clambda	Spectral Region	Band	FOV 1 arcmin	FOV 2 arcmin	Res. arcsec	Telescope	Refcode

Literature References for NGC 4038

External Resource Links for NGC 4038

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Results for object NGC 4038 (Antennae Galaxy NED01)

Images for object NGC 4038 (Antennae Galaxy NED01)