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Cosmological Parameters

H₀

Ω_matter

Ω_vacuum

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Results for object KUG 1622+411B (I Zw 148)

Overview
Cross-IDs (12)
Coordinates (4)
Redshifts (2)
Distances (0)
Classifications (2)
Galactic Extinctions
Notes (2)
Diameters (4)
Photometry & SED (25)
Spectra (0)
Images (9)
References (9)
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 KUG 1622+411B†. More information in the tabs above.
Cross-identifications				Essential note
KUG 1622+411B; I Zw 148; CGPG 1623.0+4108; WISEA J162439.54+410116.5; 2MASX J16243955+4101159
Coordinates for Preferred Position
Equatorial (J2000)					Galactic
RA, Dec	RA, Dec [Deg]	Unc Semi-major,minor ["]	Unc PA [deg]	Reference	Lon, Lat [deg]
16h24m39.54s, +41d01m15.4s	246.164750, 41.020944	1.25E+00, 1.25E+00	0	20032MASX.C.......:	64.968487, 44.468451
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
0.02729 +/- 0.00006	8179.838362 +/- 17.088173	2002AJ....124.1266R	8207 +/- 17	121.05 +/- 8.48
Classifications
Object Type	Morphology	Reference	Activity Type	Reference	Other
G	E2	1991RC3.9.C...0000d			E2
Quick-look Angular & Physical Diameters				Foreground Galactic Extinction (2011ApJ...737..103S)
Passband	Diameter ["]	Reference	Diameter [kpc]	A_λ [mag] V	A_λ [mag] K
RC3 D_25; R_25 (blue)	25.00	1991RC3.9.C...0000d	15.49	0.025	0.003
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
UV
Visible
Near-IR	J	14.565 +/- 0.104 mag	20032MASX.C.......:	-20.89 +/- 0.51 [mag]	2.71E+09 +/- 6.08E+08
Far-IR
Radio
†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 KUG 1622+411B

Coordinates for KUG 1622+411B

Preferred Position: 16h24m39.54s +41d01m15.4s Equatorial J2000.0 ()

Preferred Position of KUG 1622+411B

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)	246.164750	41.020944	16h24m39.54s	+41d01m15.4s	1.25E+00	1.25E+00	0
RA/Dec Equatorial (B1950.0)	245.745588	41.134337	16h22m58.94s	+41d08m03.6s	1.25E+00	1.25E+00	0
Galactic	64.968487	44.468451			1.25E+00	1.25E+00	0
Supergalactic	70.851203	48.869801			1.25E+00	1.25E+00	0
Ecliptic (J2000.0)	230.669818	61.245646			1.25E+00	1.25E+00	0
Ecliptic (B1950.0)	229.964347	61.250927			1.25E+00	1.25E+00	0

Measured Positions for KUG 1622+411B

Redshifts and Derived Quantities for KUG 1622+411B

Preferred Redshift: Z = 0.02729, H₀ = 67.8 km/sec/Mpc, Ωmatter = 0.308, Ωvacuum = 0.698

Quantities Derived from Preferred Redshift for KUG 1622+411B

Calculated and Corrected Velocities
Type	Velocities	Reference
V (Heliocentric)	8180 ± 17 km/s	2002AJ....124.1266R
V (Kinematic LSR)	8198 ± 17 km/s	1986MNRAS.221.1023K
V (Galactocentric GSR)	8337 ± 18 km/s	1991RC3.9.C...0000d
V (Local Group)	8363 ± 20 km/s	1996AJ....111..794K
V (3K CMB)	8207 ± 17 km/s	1996ApJ...473..576F
V (Virgo Infall only)	8492 ± 22 km/s	2000ApJ...529..786M
V (Virgo + GA only)	8620 ± 24 km/s	2000ApJ...529..786M
V (Virgo + GA + Shapley)	8666 ± 24 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)	122.97 ± 8.61 Mpc	(m-M) = 35.45 ± 0.15 mag
D (Local Group)	123.35 ± 8.64 Mpc	(m-M) = 35.46 ± 0.15 mag
D (3K CMB)	121.05 ± 8.48 Mpc	(m-M) = 35.41 ± 0.15 mag
D (Virgo Infall only)	125.26 ± 8.77 Mpc	(m-M) = 35.49 ± 0.15 mag
D (Virgo + GA only)	127.14 ± 8.90 Mpc	(m-M) = 35.52 ± 0.15 mag
D (Virgo + GA + Shapley)	127.82 ± 8.95 Mpc	(m-M) = 35.53 ± 0.15 mag

Scale at Hubble Flow Distances
Type	Values
Scale (Galactocentric GSR)	596 pc/arcsec = 0.596 kpc/arcsec = 35.77 kpc/arcmin = 2.15 Mpc/degree
Scale (Local Group)	598 pc/arcsec = 0.598 kpc/arcsec = 35.88 kpc/arcmin = 2.15 Mpc/degree
Scale (3K CMB)	587 pc/arcsec = 0.587 kpc/arcsec = 35.21 kpc/arcmin = 2.11 Mpc/degree
Scale (Virgo Infall only)	607 pc/arcsec = 0.607 kpc/arcsec = 36.44 kpc/arcmin = 2.19 Mpc/degree
Scale (Virgo + GA only)	616 pc/arcsec = 0.616 kpc/arcsec = 36.98 kpc/arcmin = 2.22 Mpc/degree
Scale (Virgo + GA + Shapley)	620 pc/arcsec = 0.620 kpc/arcsec = 37.18 kpc/arcmin = 2.23 Mpc/degree
Cosmology-Corrected Quantities [H₀ = 67.8 km/sec/Mpc, Ω_matter = 0.308, Ω_vacuum = 0.698]
[Redshift 0.027377 as corrected to the Reference Frame defined by the 3K CMB]
Type	Values
Luminosity Distance	124 Mpc (m-M) = 35.46 mag
Angular-Size Distance	117 (m-M) = 35.34 mag
Co-Moving Radial Distance	120 (m-M) = 35.40 mag
Co-Moving Tangential Distance	120 (m-M) = 35.40 mag
Co-Moving Volume	0.00729 Gpc^3
Light Travel-Time	0.387 Gyr
Age at Redshift 0.027377	13.443 Gyr
Age of Universe	13.830 Gyr
Scale (Cosmology Corrected)	568 pc/arcsec = 0.568 kpc/arcsec = 34.06 kpc/arcmin = 2.04 Mpc/degree
Surface Brightness Dimming	Flux Density per Unit Area = 0.89760; Magnitude per Unit Area = 0.1173 mag

Measured Redshifts of KUG 1622+411B

Images for object KUG 1622+411B (I Zw 148)

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 KUG 1622+411B

External Resource Links for KUG 1622+411B

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Results for object KUG 1622+411B (I Zw 148)

Images for object KUG 1622+411B (I Zw 148)