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The Extended 12 Micron Galaxy Sample
Brian Rush
NSSDC/WDC-A-R&S 93-22
2013-06-18
The Extended 12 Micron Galaxy Sample(Rush, Malkan, and Spinoglio (1993))
The authors have used the IRAS data to compile a sample of 893 galaxies,
including 118 Seyfert galaxies. ADDSCAN/SCANPI integrated fluxes at 12, 25, 60,
and 100 microns from the IRAS survey, along with redshifts and 1950 coordinates
are given for all galaxies.
1 Introduction
The 12 Micron Galaxy Sample is an all–sky (|b|≥25○) sample of
893 galaxies selected from the IRAS Faint Source Catalog, Version 2. The
sample is 12–micron–flux–limited at 0.22 Jy and is complete down to a 12µmflux of 0.30 Jy. It includes 55 Seyfert 1 galaxies (including QSOs and two
blazars), 63 Seyfert 2 galaxies, 38 high–far–IR–luminosity non–Seyferts, and
29 LINERs. The flux densities presented are whole–galaxy fluxes obtained by the
ADDSCAN/SCANPI process at IPAC. Observed radial velocities, mostly obtained from
well–known extragalactic catalogs are also given.
This document is intended to provide the information necessary to describe this
catalog to a computer and to make it easy to use. A copy should accompany
any further distribution of this version of the machine-readable catalog.
2 Source Reference
The Extended 12 Micron Galaxy Sample. Rush, B., Malkan, M., and
Spinoglio, L. 1993, ApJS, 89, no. 1 (in press)
3 Structure
3.1 File Structure
The file given here has 893 lines with 76 bytes of data each. The data given are
exactly the same as those found in tables 1–5 of the source reference
(hereafter RMS), with two exceptions: (1) In RMS, tables 1-5 represent
Seyfert 1s, Seyfert 2s, high–far–IR–lum non–Seyferts, LINERs, and normal
galaxies, respectively, whereas all galaxy types here are in the same table,
sorted by RA; (2) several flags are given, one of which indicates the galaxy
type and, thus, the table in which it would appear in RMS.
3.2 File Format
Table 1 gives a byte-by-byte description of the contents of the data file.
\pagebreak
Bytes Unit Format Item
2- 3 hr I2 R.A. (1950)
4- 5 min I2 R.A. (1950)
6- 9 sec F4.1 R.A. (1950)
10-12 ○ I3 Dec (1950)
13-14 ' I2 Dec (1950)
15-16 '' I2 Dec (1950)
18-24 Jy F7.2 12µm flux
26-32 Jy F7.2 25µm flux
34-41 Jy F8.2 60µm flux
43-51 Jy F9.2 100µm flux
53-64 ... A12 Name
66 ... I1 Object type
67 ... A1 Redshift type
68 ... A1 Redshift reference
70-76 ... F7.5 Redshift
File Format
Notes to Table 1
RA and Dec are 1950, from the IRAS Faint Source Catalog, version 2. (A few
exceptions are explained in RMS.)
Flux densities are obtained by the ADDSCAN/SCANPI process at IPAC for most
objects; the exceptions are explained in RMS.
Names and redshifts are taken from various extragalactic catalogs.
Object type is as follows: 0, 1, 2, 3, or 4 for normal, Seyfert 1, Seyfert 2,
high–far–IR–luminosity, and LINER galaxies, respectively. (How these objects
are defined/identified is explained in RMS.)
Redshift type is as follows: ``S'' if corrected for solar motion about the
galactic
center, and for the Galaxy's motion towards Virgo; ``V'' if NOT corrected.
Redshift reference is listed in RMS, but a different labeling scheme is
used here, as given below.
\pagebreak
REDSHIFT REFERENCES
5em
[CODE] REFERENCE
[D] NED (NASA/IPAC Extragalactic Database)
[E] Lauberts (1982)
[F] NOT a real redshift: calculated as 75.0 × distance, where the
distance is in Mpc, from Rice et al. (1988); for LMC, SMC, and M33 only
[G] Geller & Huchra (1983); group velocity
[H] Hewitt & Burbidge (1991)
[M] Strauss (1991) or Strauss et al. (1990 or 1992)
[N] Norris et al. (1990)
[P] Calculated from spectra taken by the authors at Lick Observatory
[R] de Vaucouleurs, de Vaucouleurs & Corwin (1976; RC2)
[S] Spinoglio & Malkan (1989)
[V] Véron–Cetty & Véron (1991)
[W] Saunders (1991)
[Y] Geller & Huchra (1983); INDIVIDUAL (not group) velocity
[Z] ZCAT (Huchra et al. 1993)
4 Additional Information
In addition to tables 1–5, which contain the data described here, there are
seven more tables of data in RMS. Tables 6–8 therein give the calculated 12µm,
Far–IR, and 60µm luminosity functions, respectively. These three tables are
short enough that it would be easy for those interested in using the actual data
to simply type them in from RMS. Tables 9–12 list various objects that met the
search criterion of the sample, but were excluded for various reasons (e.g.,
being galactic objects). These four tables are given in tables 2–5 in this
document.
\pagebreak
R.A. Dec. R.A. Dec.
002643.4 +093557 154726.5 –020119
011541.6 –524857 155202.5 +040335
011626.9 +200934 155427.5 –872526
011955.4 –444034 161411.4 +031039
021331.2 +075746 162022.2 –082029
021417.2 –212052 171841.6 +434825
025348.6 +195339 175833.9 +663806
030437.0 +254424 182941.1 –741743
030615.8 –653830 192641.5 –445751
032327.8 –131432 192653.9 –455249
032547.4 –014317 195731.7 –293504
035201.9 –385742 202050.9 –193523
041003.2 –652036 204359.6 –315112
043043.3 –485444 205255.4 –123507
043736.3 –323856 211052.9 +064409
044333.7 –221801 212731.7 +115644
052715.0 –633305 213817.2 –265928
070246.5 –793424 214529.4 +000801
084555.1 +140106 221811.6 –862423
092941.9 +115918 224857.7 –774852
101943.8 +615154 225916.1 +124859
132419.4 +460449 231949.6 –023014
144514.5 +265102
Stellar Objects Excluded by Examination of Plates
[ht]
R.A. Dec. Date Note
003444.5 +071241 12JAN91 1
025520.7 +201806 12FEB91 1
031513.6 +213249 12JAN91 1
035245.4 +072636 12JAN91 1
041155.9 –125153 12JAN91 1
043231.9 –141919 19JAN91 2
044508.0 –053926 12FEB91 1
050505.0 –061418 12JAN91 3
093712.0 +121230 12JAN91 1
093931.7 –083832 12JAN91 1
123148.3 +825001 19FEB91 1
132435.4 –123044 12JAN91 1
142603.7 –131547 12FEB91 1
145940.0 –273852 19FEB91 1
155439.3 –063547 12FEB91 1
160115.9 +132843 12FEB91 1
162753.6 –034541 12FEB91 1
164300.9 +424903 12FEB91 1
174440.5 +395718 12FEB91 1
Stellar Objects Excluded by Examination of Spectra
Notes to Table 3
(1) Optical spectrum of stars
(2) Associated with MCG–2–12–42; optical spectrum contaminated by a strong
late–type star; infrared fluxes contaminated by a nebular object 3 arcmin SE of
the FSC––2 positionl.
(3) stellar–like optical spectrum, infrared fluxes dominated by a galactic
object.
[ht]
Name R.A. Dec. z Note
N9880 023259.6 –093415 0.0050 1
M-4-9-52 033951.1 –212357 0.0145 1
M-1-24-1 090822.7 –084118 0.0061 1
N3338 103927.2 +140033 0.0040 1
N3395/6 104705.1 +331512 0.0064 6
130650.4 +071536 4
144353.5 +064510 5
M-4-36-9 151609.3 –233821 0.0079 2
M-4-36-14 152312.3 –220626 0.0077 1
M+8-32-9 172940.8 +505439 0.0188 3
IRAS 223738.8 +242626 0.0423 1
Galaxies Excluded
Notes to Table 4
(1) Excluded when looking at ADDSCANs, finding charts, and IRAS colors.
(2) Excluded by IRAS colors and finding chart; the object itself is likely
a star.
(3) Excluded because an optical spectrum (Lick 1m tel.) and near–IR photometry
(San Pedro Martir Obs., Mexico) showed the 12µm flux to be mostly from the
very red M star just E of the galaxy.
(4) ZCAT association and SAO association are both within 1 arcmin. SAO119793
at center, mostly covering the galaxy.
(5) ZCAT association and SAO association are both within 1 arcmin. The galaxy
is closer to the center, but SAO129652 appears large and is touching the galaxy
just to the right.
(6) Excluded because, upon viewing the finding chart and ADDSCANs two clearly
separated galaxies are each contributing less than 0.20 Jy of the 12µmflux.
\pagebreak
[ht]
Name R.A. Dec 12µm 25µm 60µm 100µm Note
F00028-2909 000253.9 –290935 0.29 0.36 0.45 0.45 1
E539-G8 001904.9 –195724 0.36 0.17 1.89 4.09 –
M-2-3-68 010054.8 –110720 0.25 0.33 1.37 2.76 –
F01266-7331 012641.0 –733136 0.24 0.06 0.32 2.40 2
E548-G36 033115.3 –214356 0.24 0.39 1.83 4.35 –
CGCG313-016 102133.5 +673305 0.22 0.52 0.74 1.02 –
M+15-1-12 115803.7 +882453 0.18 0.28 2.30 4.82 –
F12335+6414 123330.4 +641450 0.22 0.14 1.61 5.11 –
M-1-33-62 125715.2 –082834 0.30 0.26 1.58 6.35 –
F17020+4544 170202.9 +454458 0.33 0.37 1.16 1.27 –
F19518-8142 195148.3 –814211 0.42 0.29 1.95 6.63 –
F20254-8152 202529.6 –815236 0.41 0.53 1.21 1.13 3
N7665 232439.0 –093947 0.29 0.22 1.62 2.63 –
Unidentified Objects
Notes to Table 5
(1) Somewhat suspicious [25–12] color for a galaxy. It appears slightly
extended in the optical plates. It can be either a galaxy or a star with
some nebulosity.
(2) Very suspicious IRAS colors for a galaxy. It is located within the
boundaries of the SMC, but not identified by Schwering and Israel (1989).
(3) IRAS colors consistent with being a galaxy.
5 References
de Vaucouleurs, G., de Vaucouleurs, A., and Corwin, H. G., Jr. 1976,
Second Reference Catalog of Bright Galaxies (Austin, University of Texas
Press)
Geller, M. J., and Huchra, J. P. 1983, ApJS, 52, 61
Hewitt, A., and Burbidge, G. 1991, ApJS, 75, 297
Huchra, J. P., Geller, M. J., Clemens, C., Tokarz, S., and Michel, A.
1993, in preparation (ZCAT)
Lauberts, A. 1982, The ESO/Uppsala Survey of the ESO(B) Atlas
(Munich, European Southern Observatory)
Moshir, M., et al. 1991, Explanatory Supplement to the IRAS Faint
Source Survey, Version 2. (Pasadena, JPL)
Norris, R. P., Allen, D. A., Sramek, R. A., Kesteven, M. J., and Troup,
E. R. 1990, ApJ, 359, 291
Rice, W., Lonsdale, C. J., Soifer, B. T., Neugebauer, G., Kopan, E. L.,
Lloyd, L. A., deJong, T., and Habing, H. J. 1988, ApJS, 68, 91
Saunders, W. 1991, private communication
Spinoglio, L., and Malkan, M. A. 1989, ApJ, 342, 83
Strauss, M. A., Davis, M., Yahil, A., and Huchra, J. P. 1990, ApJ, 361,
49
Strauss, M. A. 1991, private communication
Strauss, M. A., Huchra, J. P., Davis, M., Yahil, A., Fisher, K. B., and
Tonry, J. 1992, ApJS, 83, 29
Véron––Cetty, M. P., and Véron, P. 1991, A Catalogue of Quasars
and Active Nuclei, 5th edition. ESO Scientific Report No. 10 –– October 1991
(Munich, European Southern Observatory)
