J/ApJS/225/27 3D-HST Survey: grism spectra master catalog (Momcheva+, 2016)
The 3D-HST survey: Hubble Space Telescope WFC3/G141 grism spectra, redshifts,
and emission line measurements for ∼100,000 galaxies.
Momcheva I.G., Brammer G.B., van Dokkum P.G., Skelton R.E., Whitaker K.E.,
Nelson E.J., Fumagalli M., Maseda M.V., Leja J., Franx M., Rix H.-W.,
Bezanson R., Da Cunha E., Dickey C., Forster Schreiber N.M.,
Illingworth G., Kriek M., Labbe I., Lange J.U., Lundgren B.F., Magee D.,
Marchesini D., Oesch P., Pacifici C., Patel S.G., Price S., Tal T.,
Wake D.A., van der Wel A., Wuyts S.
<Astrophys. J. Suppl. Ser., 225, 27-27 (2016)>
=2016ApJS..225...27M 2016ApJS..225...27M (SIMBAD/NED BibCode)
ADC_Keywords: Galaxies, spectra; Redshifts; Equivalent widths
Keywords: catalogs; galaxies: evolution; methods: data analysis;
techniques: spectroscopic
Abstract:
We present reduced data and data products from the 3D-HST survey, a
248-orbit HST Treasury program. The survey obtained WFC3 G141 grism
spectroscopy in four of the five CANDELS fields: AEGIS, COSMOS,
GOODS-S, and UDS, along with WFC3 H140 imaging, parallel ACS G800L
spectroscopy, and parallel I814 imaging. In a previous paper, we
presented photometric catalogs in these four fields and in GOODS-N,
the fifth CANDELS field. Here we describe and present the WFC3 G141
spectroscopic data, again augmented with data from GO-1600 in GOODS-N
(PI: B. Weiner). We developed software to automatically and optimally
extract interlaced two-dimensional (2D) and one-dimensional (1D)
spectra for all objects in the Skelton+ (2014, J/ApJS/214/24)
photometric catalogs. The 2D spectra and the multi-band photometry
were fit simultaneously to determine redshifts and emission line
strengths, taking the morphology of the galaxies explicitly into
account. The resulting catalog has redshifts and line strengths (where
available) for 22548 unique objects down to JHIR≤24 (79609 unique
objects down to JH_IR≤26). Of these, 5459 galaxies are at z>1.5 and
9621 are at 0.7<z<1.5, where Hα falls in the G141 wavelength
coverage. The typical redshift error for JHIR≤24 galaxies is
σz∼0.003x(1+z), i.e., one native WFC3 pixel. The 3σ
limit for emission line fluxes of point sources is 2.1x10-17erg/s/cm2.
Description:
Most of the data described in this paper were obtained by the 3D-HST
Treasury Survey (2010 October-2012 March), which was allocated 248
orbits of HST time during Cycles 18 and 19. These observations cover
124 pointings in four of the five deep fields observed by CANDELS
(AEGIS, COSMOS, GOODS-S, and UDS; prog. ID 12177, 12328, 12177 and
11600) and constitute the largest effort to acquire space-based
near-infrared spectra in these fields. A detailed description of the
3D-HST observations is presented in Brammer+ (2012ApJS..200...13B 2012ApJS..200...13B).
The fifth CANDELS field, GOODS-N, had already been observed with
WFC3/G141, in a Cycle 17 program as part of AGHAST (A Grism Hα
SpecTroscopic Survey; GO-11600, PI: Weiner), using a very similar
observing strategy. ACS/G800L observations in GOODS-N were taken as
part of GO-13420 in Cycle 21 (PI: Barro). We have included the
ACS/G800L and WFC3/G141 GOODS-N data in our sample.
In addition to the ACS/G800L and WFC3/G141 data, we also summarize the
available archival WFC3/G102 observations for each field.
See section 2 for further details.
File Summary:
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FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
3dhst_sp.dat 1941 207967 3D-HST grism spectra master catalog
(3dhst.v4.1.5.master.fits)
fits/* . 5 268,760 individual 1D-spectrum files
in FITS format in the 5 field subdirectories
--------------------------------------------------------------------------------
See also:
J/ApJ/835/153 : Galaxy environment in 3D-HST fields (z=0.5-3) (Fossati+, 2017)
J/AJ/149/178 : Redshift catalog of gal. in GOODS-South field (Morris+, 2015)
J/ApJ/795/165 : Line ratios in z∼2-3 gal. from KBSS-MOSFIRE (Steidel+, 2014)
J/ApJS/214/24 : 3D-HST+CANDELS catalog (Skelton+, 2014)
J/ApJS/203/24 : Structural parameters of gal. in CANDELS (van der Wel+, 2012)
J/A+A/530/A86 : Hubble Legacy Archive ACS grism data (Kuemmel+, 2011)
J/AJ/141/14 : HST WFC3 ERS : emission-line galaxies (Straughn+, 2011)
J/ApJ/706/1364 : SINS survey of high-redshift gal. (Forster Schreiber+, 2009)
J/AJ/135/1624 : PEARS emission-line galaxies (Straughn+, 2008)
J/A+AS/120/323 : Long-slit spectroscopy of UCM galaxies (Gallego+ 1996)
http://3dhst.research.yale.edu/ : 3D-HST home page
Byte-by-byte Description of file: 3dhst_sp.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 5 I5 --- ID [1/50507] Photometric id from
Skelton+, 2014, J/ApJS/214/24 (phot_id)
7- 18 F12.8 deg RAdeg Right ascension (J2000) (ra)
20- 31 F12.8 deg DEdeg Declination (J2000) (dec)
33- 40 F8.2 pix Xpos Position along X (x)
42- 49 F8.2 pix Ypos Position along Y (y)
51- 71 A21 --- GrismID Grism id of the spectrum which yielded
this fit (grism_id)
73 I1 --- n_Field [1/5] Number for field (1=aegis, 2=cosmos,
3=goodsn, 4=goodss, 5=uds) (ifield)
75- 80 A6 --- Field Field name
82- 101 A20 --- Ptgs Pointing number(s) (pointings)
103 I1 --- Np [0/7] Number of pointings (npoint)
105- 111 F7.4 mag JHmag [10.9/31] MAG_AUTO measured from the
combined F125W+F140W+F160W image (jh_mag)
113- 121 F9.5 --- zspec [-1/6.2]?=-99.9 Spectroscopic redshift
where available (z_spec)
123- 131 F9.5 --- zS14 [0/6]?=- Photometric redshift from
Skelton+ 2014, J/ApJS/214/24
(zpeakphot)
133- 141 F9.5 --- zpl95 ?=- Photometric redshift at the lower
95% confidence limit (zphotl95)
143- 151 F9.5 --- zpl68 ?=- Photometric redshift at the lower
68% confidence limit (zphotl68)
153- 161 F9.5 --- zpu68 ?=- Photometric redshift at the upper
68% confidence limit (zphotu68)
163- 171 F9.5 --- zpu95 ?=- Photometric redshift at the upper
95% confidence limit (zphotu95)
173- 180 F8.5 --- zmax [0/4]?=- Default grism redshift
(zmaxgrism) (1)
182- 189 F8.5 --- zpk [0/4]?=- Integrated redshift
(zpeakgrism) (2)
191- 198 F8.5 --- zl95 ?=- Grism redshift at the lower
95% confidence limit (zgrisml95)
200- 207 F8.5 --- zl68 ?=- Grism redshift at the lower
68% confidence limit (zgrisml68)
209- 216 F8.5 --- zu68 ?=- Grism redshift at the upper
68% confidence limit (zgrismu68)
218- 225 F8.5 --- zu95 ?=- Grism redshift at the upper
95% confidence limit (zgrismu95)
227- 231 F5.2 --- Cov [-1/1] Fraction of spectrum within
the image (0=bad, 1=good) (f_cover)
233- 237 F5.2 --- fFP [-1/1] Fraction of flagged pixels
(1=bad, 0=good) (f_flagged)
239- 248 A10 --- Cont Maximum contamination (max_contam)
250- 259 A10 --- ICont Contamination integrated over the spectrum
(=fluxcontam/fluxobject) (int_contam)
261- 265 F5.2 --- Neg [-1/1] Fraction of pixels with negative
flux after contamination correction
(f_negative)
267- 268 I2 --- Fl1 [-1/3] Flag for the redshift quality
(user 1); 0=good (flag1) (3)
270- 271 I2 --- Fl2 [-1/3] Flag for the redshift quality
(user 2); 0=good (flag2) (3)
273- 274 I2 --- Use [-1/1] Flag defining objects with the most
reliable grism-derived redshifts; 1=use
(use_zgrism)
276 I1 --- US14 [0/1] Photometric use flag from Skelton+
(2014, J/ApJS/214/24); 1 = use (use_phot)
278 I1 --- n_zbest [0/3] Source of the best redshif
(zbests) (4)
280- 288 F9.5 --- zbest [-1/6]?=- Best available redshift
measurement (-1 for stars) (z_best) (5)
290- 298 F9.5 --- zbl95 ?=- Lower 95% confidence limit derived
from the z_best p(z) (zbestl95) (5)
300- 308 F9.5 --- zbl68 ?=- Lower 68% confidence limit derived
from the z_best p(z) (zbestl68) (5)
310- 318 F9.5 --- zbu68 ?=- Upper 68% confidence limit derived
from the z_best p(z) (zbestu68) (5)
320- 328 F9.5 --- zbu95 ?=- Upper 95% confidence limit derived
from the z_best p(z) (zbestu95) (5)
330- 337 F8.5 --- zmaxLF [-1/4] Grism redshift from linefit catalog
(linefitzmax_grism)
339- 350 E12.5 --- s0 [-7e+59/6e+56] Normalization coefficient
s0, parameter for internal use
352- 363 E12.5 --- e_s0 [0/3e+100] Error in s0 (s0_err)
365- 376 E12.5 --- s1 [-3e+60/8e+58] Normalization coefficient
s1, parameter for internal use
378- 389 E12.5 --- e_s1 [0/4e+101] Error in s1 (s1_err)
391- 393 I3 10-14W/m2 FLya [-99] Lya flux (always "-99") (Lya_FLUX)
395- 397 I3 10-14W/m2 e_FLya [-99] Lya flux error (LyaFLUXERR)
399- 401 I3 --- LyaSc [-99] Lya flux normalization parameter
(Lya_SCALE)
403- 405 I3 0.1nm EWLya [-99] Lya equivalent width (Lya_EQW)
407- 409 I3 0.1nm e_EWLya [-99] EWLya error (LyaEQWERR)
411- 413 I3 10-14W/m2 FCIV [-99] CIV flux (always "-99") (CIV_FLUX)
415- 417 I3 10-14W/m2 e_FCIV [-99] FCIV error (CIVFLUXERR)
419- 421 I3 --- CIVSc [-99] CIV flux normalization parameter
(CIV_SCALE)
423- 425 I3 0.1nm EWCIV [-99] CIV equivalent width (CIV_EQW)
427- 429 I3 0.1nm e_EWCIV [-99] EWCIV error (CIVEQWERR)
431- 438 F8.1 10-14W/m2 FMgII [-28/137561]?=- MgII line flux (MgII_FLUX)
440- 447 F8.1 10-14W/m2 e_FMgII [0/144136]?=- FMgII error (MgIIFLUXERR)
449- 460 A12 --- MgIISc ?=- MgII flux normalization
parameter (MgII_SCALE)
462- 473 A12 0.1nm EWMgII ?=- MgII equivalent width (MgII_EQW)
475- 486 A12 0.1nm e_EWMgII ?=- EWMgII error (MgIIEQWERR)
488- 499 A12 10-14W/m2 FOII ?=- OII line flux (OII_FLUX)
501- 512 A12 10-14W/m2 e_FOII ?=- FOII error (OIIFLUXERR)
514- 525 A12 --- OIISc ?=- OII flux normalization
parameter (OII_SCALE)
527- 538 A12 0.1nm EWOII ?=- OII equivalent width (OII_EQW)
540- 551 A12 0.1nm e_EWOII ?=- EWOII error (OIIEQWERR)
553- 564 A12 10-14W/m2 FHd ?=- Hd line flux (Hd_FLUX)
566- 577 A12 10-14W/m2 e_FHd ?=- FHd error (HdFLUXERR)
579- 590 A12 --- HdSc ?=- Hd flux normalization
parameter (Hd_SCALE)
592- 603 A12 0.1nm EWHd ?=- Hd equivalent width (Hd_EQW)
605- 616 A12 0.1nm e_EWHd ?=- EWHd error (HdEQWERR)
618- 629 A12 10-14W/m2 FHg ?=- Hg line flux (Hg_FLUX)
631- 642 A12 10-14W/m2 e_FHg ?=- FHg error (HgFLUXERR)
644- 655 A12 --- HgSc ?=- Hg flux normalization
parameter (Hg_SCALE)
657- 668 A12 0.1nm EWHg ?=- Hg equivalent width (Hg_EQW)
670- 681 A12 0.1nm e_EWHg ?=- EWHg error (HgEQWERR)
683- 694 A12 10-14W/m2 FOIIIx ?=- OIIIx line flux (OIIIx_FLUX)
696- 707 A12 10-14W/m2 e_FOIIIx ?=- FOIIIx error (OIIIxFLUXERR)
709- 720 A12 --- OIIIxSc ?=- OIIIx flux normalization
parameter (OIIIx_SCALE)
722- 733 A12 0.1nm EWOIIIx ?=- OIIIx equivalent width (OIIIx_EQW)
735- 746 A12 0.1nm e_EWOIIIx ?=- EWOIIIx error (OIIIxEQWERR)
748- 759 A12 10-14W/m2 FHeII ?=- HeII line flux (HeII_FLUX)
761- 772 A12 10-14W/m2 e_FHeII ?=- FHeII error (HeIIFLUXERR)
774- 785 A12 --- HeIISc ?=- HeII flux normalization
parameter (HeII_SCALE)
787- 798 A12 0.1nm EWHeII ?=- HeII equivalent width (HeII_EQW)
800- 811 A12 0.1nm e_EWHeII ?=- EWHeII error (HeIIEQWERR)
813- 824 A12 10-14W/m2 FHb ?=- Hb line flux (Hb_FLUX)
826- 837 A12 10-14W/m2 e_FHb ?=- FHb error (HbFLUXERR)
839- 850 A12 --- HbSc ?=- Hb flux normalization
parameter (Hb_SCALE)
852- 863 A12 0.1nm EWHb ?=- Hb equivalent width (Hb_EQW)
865- 876 A12 0.1nm e_EWHb ?=- EWHb error (HbEQWERR)
878- 889 A12 10-14W/m2 FOIII ?=- OIII line flux (OIII_FLUX)
891- 902 A12 10-14W/m2 e_FOIII ?=- FOIII error (OIIIFLUXERR)
904- 915 A12 --- OIIISc ?=- OIII flux normalization
parameter (OIII_SCALE)
917- 928 A12 0.1nm EWOIII ?=- OIII equivalent width (OIII_EQW)
930- 941 A12 0.1nm e_EWOIII ?=- EWOIII error (OIIIEQWERR)
943- 954 A12 10-14W/m2 FHa ?=- Ha line flux (Ha_FLUX)
956- 967 A12 10-14W/m2 e_FHa ?=- FHa error (HaFLUXERR)
969- 980 A12 --- HaSc ?=- Ha flux normalization
parameter (Ha_SCALE)
982- 993 A12 0.1nm EWHa ?=- Ha equivalent width (Ha_EQW)
995-1006 A12 0.1nm e_EWHa ?=- EWHa error (HaEQWERR)
1008-1019 A12 10-14W/m2 FSII ?=- SII line flux (SII_FLUX)
1021-1032 A12 10-14W/m2 e_FSII ?=- FSII error (SIIFLUXERR)
1034-1045 A12 --- SIISc ?=- SII flux normalization
parameter (SII_SCALE)
1047-1058 A12 0.1nm EWSII ?=- SII equivalent width (SII_EQW)
1060-1071 A12 0.1nm e_EWSII ?=- EWSII error (SIIEQWERR)
1073-1084 A12 10-14W/m2 FSIII ?=- SIII line flux (SIII_FLUX)
1086-1097 A12 10-14W/m2 e_FSIII ?=- FSIII error (SIIIFLUXERR)
1099-1110 A12 --- SIIISc ?=- SIII flux normalization
parameter (SIII_SCALE)
1112-1123 A12 0.1nm EWSIII ?=- SIII equivalent width (SIII_EQW)
1125-1136 A12 0.1nm e_EWSIII ?=- EWSIII error (SIIIEQWERR)
1138-1149 A12 10-14W/m2 FHeI ?=- HeI line flux (HeI_FLUX)
1151-1162 A12 10-14W/m2 e_FHeI ?=- FHeI error (HeIFLUXERR)
1164-1175 A12 --- HeISc ?=- HeI flux normalization
parameter (HeI_SCALE)
1177-1188 A12 0.1nm EWHeI ?=- HeI equivalent width (HeI_EQW)
1190-1201 A12 0.1nm e_EWHeI ?=- EWHeI error (HeIEQWERR)
1203-1205 I3 10-14W/m2 FHeIb [-99] HeIb flux (always "-99") (HeIb_FLUX)
1207-1209 I3 10-14W/m2 e_FHeIb [-99] FHeIb error (HeIbFLUXERR)
1211-1213 I3 --- HeIbSc [-99] HeIb flux normalization parameter
(HeIb_SCALE)
1215-1217 I3 0.1nm EWHeIb [-99] HeIb equivalent width (HeIb_EQW)
1219-1221 I3 0.1nm e_EWHeIb [-99] EWHeIb error (HeIbEQWERR)
1223-1234 A12 10-14W/m2 FNeIII ?=- NeIII line flux (NeIII_FLUX)
1236-1247 A12 10-14W/m2 e_FNeIII ?=- FNeIII error (NeIIIFLUXERR)
1249-1260 A12 --- NeIIISc ?=- NeIII flux normalization
parameter (NeIII_SCALE)
1262-1273 A12 0.1nm EWNeIII ?=- NeIII equivalent width (NeIII_EQW)
1275-1286 A12 0.1nm e_EWNeIII ?=- EWNeIII error (NeIIIEQWERR)
1288-1290 I3 10-14W/m2 FNeV [-99] NeV flux (always "-99") (NeV_FLUX)
1292-1294 I3 10-14W/m2 e_FNeV [-99] FNeV error (NeVFLUXERR)
1296-1298 I3 --- NeVSc [-99] NeV flux normalization parameter
(NeV_SCALE)
1300-1302 I3 0.1nm EWNeV [-99] NeV equivalent width (NeV_EQW)
1304-1306 I3 0.1nm e_EWNeV [-99] EWNeV error (NeVEQWERR)
1308-1310 I3 10-14W/m2 FNeVI [-99] NeVI flux (always "-99") (NeVI_FLUX)
1312-1314 I3 10-14W/m2 e_FNeVI [-99] FNeVI error (NeVIFLUXERR)
1316-1318 I3 --- NeVISc [-99] NeVI flux normalization parameter
(NeVI_SCALE)
1320-1322 I3 0.1nm EWNeVI [-99] NeVI equivalent width (NeVI_EQW)
1324-1326 I3 0.1nm e_EWNeVI [-99] EWNeVI error (NeVIEQWERR)
1328-1339 A12 10-14W/m2 FOI ?=- OI line flux (OI_FLUX)
1341-1352 A12 10-14W/m2 e_FOI ?=- FOI error (OIFLUXERR)
1354-1365 A12 --- OISc ?=- OI flux normalization
parameter (OI_SCALE)
1367-1378 A12 0.1nm EWOI ?=- OI equivalent width (OI_EQW)
1380-1391 A12 0.1nm e_EWOI ?=- EWOI error (OIEQWERR)
1393-1401 F9.5 --- rfzbest [-1/6]?=- rf zbest value (rfzbest)
1403 I1 --- n_rfzbest [0/3] best redshift source (ztype3) (4)
1405-1413 F9.5 --- rfzspec [-99.9/6.2] rf zspec value (rfzspec)
1415-1420 F6.2 mag DM [0/47]?=- Distance modulus (6)
1422-1431 F10.5 0.3631uJ L153 [0/6062]?=- Fnu flux density in rest-frame
Johnson U band (7)
1433-1435 I3 --- o_L153 [1/25]?=-99 Number of filters considered
in RF fit for L153 (nfilt153)
1437-1447 F11.5 0.3631uJ L154 [0/10972]?=- Fnu flux density in
rest-frame Johnson B band (7)
1449-1451 I3 --- o_L154 [1/22]?=-99 Number of filters considered
in RF fit for L154 (nfilt154)
1453-1463 F11.5 0.3631uJ L155 [0/57866]?=- Fnu flux density in
rest-frame Johnson V band (7)
1465-1467 I3 --- o_L155 [1/21]?=-99 Number of filters considered
in RF fit for L155 (nfilt155)
1469-1480 F12.5 0.3631uJ L161 [0/271597]?=- Fnu flux density in 2MASS J
band (7)
1482-1484 I3 --- o_L161 [0/10]?=-99 Number of filters considered
in RF fit for L161 (nfilt161)
1486-1496 F11.5 0.3631uJ L162 [0/65488]?=- Fnu flux density in 2MASS H
band (7)
1498-1500 I3 --- o_L162 [/5]?=-99 Number of filters considered in
RF fit for L162 (nfilt162)
1502-1512 F11.5 0.3631uJ L163 [0/61779]?=- Fnu flux density in 2MASS K
band (7)
1514-1516 I3 --- o_L163 [0]?=-99 Number of filters considered in
RF fit for L163 (nfilt163)
1518-1527 F10.5 0.3631uJ L156 [0/5812]?=- Fnu flux density in SDSS u
band (7)
1529-1531 I3 --- o_L156 [2/26]?=-99 Number of filters considered
in RF fit for L156 (nfilt156)
1533-1543 F11.5 0.3631uJ L157 [0/16171]?=- Fnu flux density in SDSS g
band (7)
1545-1547 I3 --- o_L157 [1/22]?=-99 Number of filters considered
in RF fit for L157 (nfilt157)
1549-1559 F11.5 0.3631uJ L158 [0/80882]?=- Fnu flux density in SDSS r
band (7)
1561-1563 I3 --- o_L158 [1/19]?=-99 Number of filters considered
in RF fit for L158 (nfilt158)
1565-1576 F12.5 0.3631uJ L159 [0/129022]?=- Fnu flux density in SDSS i
band (7)
1578-1580 I3 --- o_L159 [0/17]?=-99 Number of filters considered
in RF fit for L159 (nfilt159)
1582-1592 F11.5 0.3631uJ L160 [0/59644]?=- Fnu flux density in SDSS z
band (7)
1594-1596 I3 --- o_L160 [0/11]?=-99 Number of filters considered
in RF fit for L160 (nfilt160)
1598-1607 F10.5 0.3631uJ L135 [0/5956]?=- Fnu flux density in rest-frame
Bessel UX band
1609-1611 I3 --- o_L135 [1/25]?=-99 Number of filters considered
in RF fit for L135 (nfilt135)
1613-1623 F11.5 0.3631uJ L136 [0/10962]?=- Fnu flux density in
rest-frame Bessel B band
1625-1627 I3 --- o_L136 [1/22]?=-99 Number of filters considered
in RF fit for L136 (nfilt136)
1629-1639 F11.5 0.3631uJ L137 [0/57796]?=- Fnu flux density in
rest-frame Bessel V band
1641-1643 I3 --- o_L137 [1/21]?=-99 Number of filters considered
in RF fit for L137 (nfilt137)
1645-1655 F11.5 0.3631uJ L138 [0/89308]?=- Fnu flux density in
rest-frame Bessel R band
1657-1659 I3 --- o_L138 [0/18]?=-99 Number of filters considered
in RF fit for L138 (nfilt138)
1661-1672 F12.5 0.3631uJ L139 [0/134196]?=- Fnu flux density in
rest-frame Bessel I band
1674-1676 I3 --- o_L139 [0/13]?=-99 Number of filters considered
in RF fit for L139 (nfilt139)
1678-1687 F10.5 0.3631uJ L270 [0/5493]?=- Fnu flux density for filter
RestUV/Tophat1400200.dat
1689-1691 I3 --- o_L270 [0/37]?=-99 Number of filters considered
in RF fit for L270 (nfilt270)
1693-1702 F10.5 0.3631uJ L271 [0/6023]?=- Fnu flux density for filter
RestUV/Tophat1700200.dat
1704-1706 I3 --- o_L271 [0/37]?=-99 Number of filters considered
in RF fit for L271 (nfilt271)
1708-1717 F10.5 0.3631uJ L272 [0/5637]?=- Fnu flux density for filter
RestUV/Tophat2200200.dat
1719-1721 I3 --- o_L272 [0/30]?=-99 Number of filters considered
in RF fit for L272 (nfilt272)
1723-1732 F10.5 0.3631uJ L273 [0/5826]?=- Fnu flux density for filter
RestUV/Tophat2700200.dat
1734-1736 I3 --- o_L273 [1/28]?=-99 Number of filters considered
in RF fit for L273 (nfilt273)
1738-1747 F10.5 0.3631uJ L274 [0/5768]?=- Fnu flux density for filter
RestUV/Tophat2800200.dat
1749-1751 I3 --- o_L274 [1/28]?=-99 Number of filters considered
in RF fit for L274 (nfilt274)
1753-1763 F11.5 0.3631uJ L275 [0/60396]?=- Fnu flux density for filter
RestUV/Tophat5500200.dat
1765-1767 I3 --- o_L275 [1/21]?=-99 Number of filters considered
in RF fit for L275 (nfilt275)
1769-1775 F7.1 Msun/yr SFR [0/20342]?=- Star formation rate
SFR=SFRIR+SFRUV
1777-1783 F7.1 Msun/yr SFRir [0/20143]?=- IR star formation rate
SFRIR=1.09E-10*LIR (sfr_IR)
1785-1790 F6.1 Msun/yr SFRuv [0/3345]?=- UV star formation rate
SFRUV=1.09E-10*(2.2LUV) (sfr_UV)
1792-1801 E10.5 Lsun LIR [0/2e+14]?=- IR (8-1000micron) luminosity,
measured from Spitzer/MIPS 24um
photometry (L_IR)
1803-1812 E10.5 Lsun LUV [0/2e+13]?=- Total integrated
(1216-3000Å) rest-frame UV luminosity
(L_UV) (8)
1814-1816 I3 --- Flag [-99/2]? Flag (9)
1818-1825 F8.4 --- zbest2 [-1/6]?=- Best available redshift
measurement (-1 for stars) from SFR
catalog (sfrzbest)
1827 I1 --- n_zbest2 [0/3] Redshift source (ztype4) (4)
1829-1835 F7.1 0.3631uJ F24tot [-902/21790]?=- Total 24um flux density;
AB zeropoint of 25
1837-1842 F6.1 0.3631uJ e_F24tot [0/1685] F24tot error (ef24tot)
1844-1853 E10.5 Lsun L1600 [0/2e+13]?=- Rest-frame 1600Å
luminosity (L_1600)
1855-1864 E10.5 Lsun L2800 [0/10e+12]?=- Rest-frame 2800Å
luminosity (L_2800)
1866-1872 F7.3 --- beta [-10.5/26.7]?=- Rest-frame UV spectral
slope (10)
1874-1878 F5.2 --- z [-1/6] Redshift used in fit, zmaxgrism
in this case
1880-1884 F5.2 [yr] logtau [-1/10] log tau (ltau)
1886-1890 F5.2 [-] Metal [-1/0.02] Metallicity
1892-1896 F5.2 [yr] logAge [-1/10.1] log Age (lage)
1898-1902 F5.2 --- Av [-1/4] Dust attenuation in the V-band
1904-1909 F6.3 [Msun] logMass [-1/14.7]?=- log Mstar (lmass)
1911-1917 F7.3 [Msun/yr] logsfr [-37.6/4.4]?=- log SFR (lsfr)
1919-1925 F7.3 --- logssfr [-99/0]?=- log SSFR * yr (lssfr)
1927-1931 F5.2 --- la2t [-2.4/3.1] log age/tau
1933-1941 F9.4 --- Chi2 [-1/343] chi squared of fit
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Note (1): Default grism redshift: the redshift where the p(z|grism,phot) is
maximized.
Note (2): Integral of p(z|grism,phot)*z*dz, integrated over the whole
redshift range.
Note (3): Grism z flag (user 1 or 2): -1=no flag, 0=good, 1=bad, 2=unclear
Note (4): Source of the best redshift as follows:
1 = ground-based spectroscopy;
2 = grism;
3 = photometry;
0 = star
Note (5): -1 for stars and z_spec
Note (6): Distance modulus for a WM/WL/H0=0.3/0.7/70 cosmology.
Note (7): Fnu flux density for filter with an AB zeropoint of 25.
Note (8): Defined as LUV=1.5muL_2800
Note (9): Flag as follows:
1 = 24um aperture flux densities with 0<S/N<1
2 = negative 24 micron aperture flux densities
-99 = zmaxgrism≤0
Note (10): Rest-frame UV spectral slope, determined from a power-law fit of the
form f_lambda∼lambda^beta.
--------------------------------------------------------------------------------
Nomenclature note:
Sources are <[SWM2014] {field} {id}> in Simbad.
History:
From http://3dhst.research.yale.edu/Data.php (3dhst.v4.1.5.master.fits and 1D spectra)
References:
Skelton et al. 2014ApJS..214...24S 2014ApJS..214...24S Cat. J/ApJS/214/24
Whitaker et al. 2014ApJ...795..104W 2014ApJ...795..104W (F24 & L1600 origin)
(End) Emmanuelle Perret [CDS] 18-Sep-2017