J/AJ/170/264ivo://CDS.VizieR/J/AJ/170/264CDSGupta A.F.Fitzmaurice E.Mahadevan S.Robertson P.Luhn J.K.,Wright J.T.Logsdon S.E.Krolikowski D.M.Paredes L.A.Bender C.F.,Giovinazzi M.R.Lin A.S.J.Blake C.H.Canas C.I.Ford E.B.,Halverson S.Kanodia S.McElwain M.W.Monson A.Ninan J.P.,Rajagopal J.Roy A.Schwab C.Stefansson G.Terrien R.C.2026-07-28T14:09:47Z2026-07-28T13:23:46ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frexoplanetsradial-velocitystellar-activityvisible-astronomyspectroscopyinfrared-astronomymultiple-starsThe NEID Earth Twin Survey (NETS) has been delivering a rich set of precise radial velocity (RV) measurements for 41 bright, nearby main-sequence stars. Here, we describe the status of the survey after 3yr on sky, and we present the full set of RV measurements and accompanying stellar activity indicators. We discuss intermediate survey diagnostics, including calibration of the known RV zero-point offset introduced following the Contreras fire in 2022 and the identification of an undiagnosed and previously unknown zero-point offset in 2021. An analysis of our data set using RVSearch demonstrates that for these target stars, NEID is independently sensitive to nearly all known planets with periods shorter than the NETS observing baseline. We also highlight a number of newly detected RV signals, which present exciting opportunities for future investigations.2025AJ....170..264Ghttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/AJ/170/264CatalogResearchIsServedByTAP VizieR generic serviceIsServedByConesearch servicerelated-toIII/159A : Ca II H and K Measurements Made at MWO (Duncan+ 1991)J/A+A/410/1051 : ELODIE surv. for north. extra-solar planets. II. (Naef+, 2003)J/ApJ/708/1366 : RVs for 61 Vir (Vogt+, 2010)J/ApJ/830/46 : RVs of 3 Neptune-mass planet hosts (Fulton+, 2016)J/AJ/154/200 : The nearby white dwarf/red dwarf pair 40 Eri BC (Mason+, 2017)J/AJ/155/126 : RVs & photometry of the K dwarf HD26965 (Diaz+, 2018)J/AJ/155/203 : HARPS-N RVs & activity ind. for Kepler-1655 (Haywood+, 2018)J/A+A/625/A17 : SOPHIE data of Gliese 411 (Diaz+, 2019)J/A+A/646/A77 : Chromospheric activity from AMBRE-HARPS (Gomes da Silva+, 2021)J/AJ/161/130 : List of 100 targets for NEID Earth Twin Survey (Gupta+, 2021)J/AJ/161/134 : Survey of stellar & planetary comp. within 25pc (Hirsch+, 2021)J/ApJS/255/8 : The California Legacy Surv. I. Planet cat. (Rosenthal+, 2021)J/AJ/163/183 : S-value for 59 Sun-like starswith HIRES and HKP (Baum+, 2022)J/AJ/163/218 : Radial velocity of Gliese 411 with APF and HIRES (Hurt+, 2022)J/AJ/163/171 : The EXPRES Stellar Signals Project. II. RVel (Zhao+, 2022)J/AJ/166/46 : EXPRES. IV. Two Additional Planets Orbiting (Brewer+, 2023)J/A+A/678/A2 : YARARA V2. 4 high proper motion stars RVs (Cretignier+, 2023)J/A+A/674/A39 : Gaia DR3. 95 extrasolar planets (Gaia Coll.+, 2023)J/AJ/166/123 : EXPRES radial volocity for {tau} Ceti (Korolik+, 2023)J/AJ/165/176 : Doppler constr. companions to Sun-like stars (Laliotis+, 2023)J/ApJS/274/35 : The California Legacy Surv. V. Activ. cycles (Isaacson+, 2024)J/AJ/170/52 : NETS. II. RV & astrometry of 7 star systems (Giovinazzi+, 2025)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/AJ/170/264https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/AJ/170/264http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/AJ/170/264https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/AJ/170/264https://vizier.iucaa.in/viz-bin/votable?-source=J/AJ/170/264http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/AJ/170/264GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapCone search capability for table J/AJ/170/264/table1 (NEID Earth Twin Survey observing statistics)https://vizier.cds.unistra.fr/viz-bin/conesearch/J/AJ/170/264/table1?https://vizier.iucaa.in/viz-bin/conesearch/J/AJ/170/264/table1?http://vizieridia.saao.ac.za/viz-bin/conesearch/J/AJ/170/264/table1?GETtext/xml+votable180.050000true12.276227557.81517720.0055555555555555566/309 684 1341 3020 3102 3639 3780 5304 5420 6308 6409 6926 9403 9476 9662 10598 10812 13301 14290 14419 15030 15154 15174 16069 17425 18139 18821 21484 22708 24016 24028 24924 25966 26379 28987 29084 30579 30665 30878 32757https://cdsarc.cds.unistra.fr/viz-bin/moc/J/AJ/170/264?format=asciiOpticalInfrareddefaultJ/AJ/170/264/table1NEID Earth Twin Survey observing statisticsrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar namemeta.id;meta.maincharprimarytau[861/1270] Total NEID baselinetime.intervalintNobs0.5[1/25]? Number of observations during Run 0.5meta.number;obsintnullableNobs1[9/49] Number of observations during Run 1meta.number;obsintNobs2[28/115] Number of observations during Run 2meta.number;obsintSimbadSimbad column added by the CDSmeta.ref.urlcharRVRadial velocity Plotmeta.ref.urlcharRVrms0.5[0.62/3.4]? Radial velocity rms during Run 0.5 (1)stat.stdev;spect.dopplerVelocfloatnullableRVrms1[0.73/4.66] Radial velocity rms during Run 1 (1)stat.stdev;spect.dopplerVelocfloatRVrms2[0.6/4.54] Radial velocity rms during Run 2 (1)stat.stdev;spect.dopplerVelocfloatZP0.5-1[-1.38/3.71]? Zero-point offset during RV era Run 0.5-Run 1 (2)phys.veloc;arith.difffloatnullableZP1-2[-0.33/5.22]? Zero-point offset during RV era Run 1-Run 2 (2)phys.veloc;arith.difffloatnullableFig2NEID activity indicator time series measurements and GLS periodograms (Figure 2 in JPG format)meta.ref.urlcharFig8Results for the RVSearch run with no trend for all stars with no known signals from long-period companions (Figure 8 in JPG format)meta.ref.urlcharFig9Results for the blind RVSearch run for all stars with known signals from long-period companions (Figure 9 in JPG format)meta.ref.urlcharFig10Results for the informed RVSearch run for all stars with known signals from long-period companions (Figure 10 in JPG format)meta.ref.urlcharFig11Results for the RVSearch run with a trend test for all stars with no known signals from long-period companions (Figure 11 in JPG format)meta.ref.urlcharNrvNumber of activity indicator and radial velocity measurements (link to tables fig2 and fig8)meta.numberintnullable_RAPosition from Simbad (right ascension part)degpos.eq.ra;meta.main_DEPosition from Simbad (declination part)degpos.eq.dec;meta.mainJ/AJ/170/264/fig2NEID activity indicator time series measurementsStarStar identifiermeta.id;meta.maincharCaIRT[0.32/0.47] Telluric corrected, Ca II NIR triplet at 8498.018A (1)spect.indexdoublee_CaIRT[1.6e-4/7.1e-4] Uncertainty in CaIRTstat.error;spect.indexdoubleMn539[0.53/0.88] Telluric corrected, Mn I (539.4nm) index (1)spect.indexdoublee_Mn539[3.8e-4/2e-3] Uncertainty in Mn539stat.error;spect.indexdoublerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintBJD[2459220/2460510] Barycentric Julian date (mid-point) of observationdtime.epochdoubleSHK[0.11/0.7]? Mount Wilson S-index, scaledspect.indexdoublenullablee_SHK[1.2e-4/0.022]? Uncertainty in SHKstat.error;spect.indexdoublenullableCaIIHK[0.095/0.59] Telluric corrected, Ca II H&K (S-index) (1)spect.indexdoublee_CaIIHK[1e-4/0.04] Uncertainty in CaIIHKstat.error;spect.indexdoubleHa06-1[0.19/0.73] Telluric corrected, H{alpha}, 0.6 Angstrom window index (1)spect.indexdoublee_Ha06-1[1.1e-4/9.8e-4] Uncertainty in Ha06-1stat.errordoubleNaI[0.06/0.45] Telluric corrected, Na I NIR Doublet index (1)spect.indexdoublee_NaI[8e-05/4.3e-4] Uncertainty in NaIstat.error;spect.indexdoubleJ/AJ/170/264/fig8NEID radial velocity time seriesrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintStarStar identifiermeta.id;meta.maincharBJD[2459220/2460510] Barycentric Julian date (mid-point) of observationdtime.epochdoubleRVel[-100.3/84.8] Radial velocitykm/sspect.dopplerVelocdoublee_RVel[1.9e-4/2.2e-3] Uncertainty in RVel1km/sstat.error;spect.dopplerVelocdoubleRunNEID Run number (1)meta.idchar