Rotational velocities for LAMOST DR9 stars J/ApJS/271/4 ivo://CDS.VizieR/J/ApJS/271/4 doi:10.26093/cds/vizier.22710004 CDS Zuo F. Luo A.-L. Du B. Li Y. Jones H.R.A. Song Y.-H. Kong X.,Guo Y.-X. 2024-11-06T20:31:16Z 2024-05-27T15:26:25Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr visible-astronomy spectroscopy effective-temperature metallicity In Data Release 9 of LAMOST, we present measurements of vsini for a total of 121698 stars measured using the Medium Resolution Spectrograph (MRS) and 80108 stars using the Low Resolution Spectrograph (LRS). These values were obtained through a {chi}^2^ minimization process, comparing LAMOST spectra with corresponding grids of synthetically broadened spectra. Due to the resolution and the spectral range of LAMOST, vsini measurements are limited to stars with an effective temperature (Teff) ranging from 5000 to 8500K for MRS and 7000 to 9000K for LRS. The detectable vsini for MRS is set between 27 and 350km/s, and for LRS between 110 and 350km/s. This limitation is because the convolved reference spectra become less informative beyond 350km/s. The intrinsic precision of vsini, determined from multiepoch observations, is approximately ~4.0km/s for MRS and ~10.0km/s for LRS at a signal-to-noise ratio greater than 50. Our vsini values show consistency with those from APOGEE17, displaying a scatter of 8.79km/s. They are also in agreement with measurements from the Gaia DR3 and Sun+ 2021, J/ApJS/257/22 catalogs. An observed trend in LAMOST MRS data is the decrease in vsini with a drop in Teff, particularly transiting around 7000K for dwarfs and 6500K for giants, primarily observed in stars with near-solar abundances. 2024ApJS..271....4Z https://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/271/4 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to III/284 : APOGEE-2 data from DR16 (Johnsson+, 2020) V/156 : LAMOST DR7 catalogs (Luo+, 2019) I/355 : Gaia DR3 Part 1. Main source (Gaia Collaboration, 2022) J/A+A/331/581 : Rotation and activity in field M dwarfs (Delfosse+ 1998) J/A+A/393/897 : Rotational velocities of A-type stars II. (Royer+, 2002) J/A+A/594/A39 : LAMOST-Kepler parameters & activity indicators (Frasca+, 2016) J/AJ/151/144 : ASPCAP weights for APOGEE chemical elements (Garcia+, 2016) J/ApJS/244/27 : Radial velocity measurements in LAMOST-II (Wang+, 2019) J/ApJ/911/138 : Low-mass pre-main-sequence stars in Taurus-Auriga (Nofi+, 2021) J/ApJS/257/22 : Early-type star stellar rot. in LAMOST MRS. I. (Sun+, 2021) J/ApJS/259/63 : Chemically peculiar stars CP1 & CP2 from LAMOST (Shang+, 2022) J/ApJS/259/38 : Ha em.-line stars & Herbig Ae/Be from LAMOST (Zhang+, 2022) J/AJ/165/193 : ~30000 Gaia EDR3 nearby accelerating stars (Whiting+, 2023) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/271/4 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/271/4 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/271/4 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/271/4 https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/271/4 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/271/4 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/ApJS/271/4/table2 (Parameters of LAMOST LRS & MRS v*sin(i) catalogs) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/ApJS/271/4/table2? https://vizier.iucaa.in/viz-bin/conesearch/J/ApJS/271/4/table2? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/ApJS/271/4/table2? 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10418-10419 10425-10427 10432-10434 10464-10465 10467 10473-10475 10484-10486 10488 10490-10494 10496 10498-10500 10502-10505 10509-10512 10514 10516-10517 10519 10524-10525 10527-10528 10530 10535-10538 10545 10547 10553 10556 10558 10565-10567 10580-10582 10584 10592 10594 10598 10603-10604 10606-10607 10610 10612-10613 10617-10619 10624-10626 10628 10652 10654 10656-10657 10659 10673-10678 10680-10681 10684-10686 10712-10714 10717 10720-10721 10724 10730-10731 10746 10748 10772 10774-10776 10778-10779 10793-10795 10824-10825 10827 10836-10837 10839 10850-10852 10854-10855 10857 10860-10861 10863 10868 10871 10873 10875 10877 10908-10909 10920 10924 10928 10930-10931 10944 10946 10952 10959 10977-10979 10984-10985 10987 11000-11001 11005 11007 11016 11018-11019 11022 11029-11031 11035 11037-11040 11043 11048-11049 11063 11066-11067 11084-11086 11088-11090 11093 11096 11099-11100 11109 11118 11120 11132 11147 11150 11160-11161 11163 11178-11179 11184-11185 11187 11189-11193 11196 11204 11208 11210 11227 11264 11280-11281 11283 11289 11300 11302 11310 11317 11322 11327 11344-11346 11352 11354 11360 11362-11363 11376 11378-11379 11402 11417-11419 11421-11423 11429-11433 11437-11438 11448-11449 11452 11468 11472 11474 11488 11490-11492 11494 11496-11497 11525 11585 11587 11593 11604 11607 11621-11623 11640-11642 11644 11646 11713-11715 11728-11730 11732 11736 11752-11753 11756 11882-11883 11886-11887 11898 11913 11927 11932-11933 11935 11968 11970-11971 11984 11986-11987 11992 12024 12279 12285 12287 12293 12296 12300 12303 12311 12335 12338 12340 12345 12352 12355-12358 12360 12364 12366-12367 12373-12375 12378-12380 12382-12383 12389 12401 12403-12404 12406 12412 12414-12415 12424 12427 12429-12431 12453 12456-12458 12498-12499 12501-12502 12505-12506 12508 12510 12517 12528-12530 12539 12541 12543 12545 12552 12554-12556 12565-12566 12569 12571-12572 12577-12580 12582-12584 12586-12587 12589-12591 12594 12602-12604 12608 12610 12612-12614 12616 12622-12626 12631-12632 12634 12641 12648 12650-12651 12653-12656 12658 12662 12668-12670 12672 12674-12675 12692 12694 12702-12703 12713-12715 12717-12718 12729-12730 12741-12744 12746-12747 12749-12751 12772 12774-12775 12780 12782-12783 12785 12787-12789 12791 12793 12795-12797 12834 12836 12838-12840 12843-12846 12858 12863 12881 12883 12893-12895 12906-12907 12910-12911 12915 12921 12928 12930-12932 12944 12947 12949-12951 12957-12959 12980-12981 12983 12996-12997 13004-13006 13008 13012-13013 13023-13026 13028-13029 13045-13046 13052-13053 13055 13057-13060 13066-13067 13075 13085 13106-13107 13120-13122 13131-13132 13134-13136 13138-13139 13141 13143-13146 13153 13156 13158-13160 13162-13165 13176-13177 13183-13185 13187 13194-13195 13216-13217 13219 13228-13229 13240-13242 13260 13262-13263 13269 13271 13274-13275 13277-13279 13300 13302-13303 13308 13310-13311 13313 13315 13324-13325 13327 13330-13331 13340-13342 13345 13347 13352-13354 13384-13386 13388 13390 13400 13402 13404-13405 13407 13412 13414 13422-13423 13425-13427 13432-13434 13481-13486 13492-13494 13496-13498 13501-13503 13508 13510-13511 13525 13527-13530 13532 13534-13536 13538 13540-13542 13545-13548 13550-13554 13556-13557 13560-13561 13565 13567 13592 13595 13597 13599 13612-13614 13620 13622-13623 13637-13639 13656 13658-13659 13678-13682 13685-13687 13691-13693 13695-13697 13699-13700 13702-13703 13705-13707 13720 13722-13723 13744 13746 13764 13767 13773-13775 13777-13779 13809-13811 13817 13819 13825-13828 13830-13831 13841-13843 13876-13877 13879 13904 13906-13907 13918 13924-13925 13928 13930 13936-13938 13984-13985 13987 13989-13991 14012-14014 14020 14022-14023 14035 14072-14074 14112-14113 14128-14129 14131 14137 14160 14162 14169-14171 14184-14185 14187 14208 14210 14316-14318 14328-14329 14331 14366-14367 14380 14382 14385 14387 14396-14397 14399 14401-14403 14409-14411 14424-14426 14444 14446 14448 14452-14453 14468-14469 14471-14473 14475-14476 14478-14479 14485 14491 14494 14512-14514 14526 14528 14540-14541 14543 14549-14551 14553-14556 14558-14559 14571 14594-14595 14600-14602 14617 14619 14624 14626-14627 14641-14643 14648 14650 14652-14653 14672-14674 14676-14677 14679 14716 14719-14720 14722-14723 14729-14731 14736 14738-14739 14749-14751 14787 14789 14803 14811-14813 14815 14820-14822 14828 14830-14831 14848 14850-14851 14854-14856 14858 14861 14863 14867-14868 14870-14872 14874-14875 14877 14879 14881 14884-14886 14892 14895 14898-14899 14901-14903 14906-14907 14909 14911 14913-14915 14973-14975 14993-14995 15004 15008-15009 15011-15014 15018-15019 15021 15023-15025 15030 15032 15035-15038 15040-15042 15045 15047 15056-15057 15059 15068 15074 15079 15089 15091 15103 15148-15150 15156-15158 15160-15162 15172 15180 15182 15200-15202 15232 15246-15247 15250-15251 15253-15255 15266 15268-15269 15272-15273 15277 15280-15281 15283-15285 15289 15296 15298-15299 15302 15309 15315 15360-15361 15363 15372 15374 15376-15378 15380 15392-15393 15399 15401-15403 15412 15414 15420 15424-15425 15433 15435 15444 15446-15447 15452-15454 15457 15466-15467 15472-15474 15476 15500 15507 15516-15517 15556 15560-15561 15628-15629 15640 15675 15688-15689 15693 15697-15699 15701 15704-15705 15767 15774-15775 15796-15797 15853-15855 15864 15866-15867 16046 16058 16193 16195 16200-16201 16203 16216-16218 16225 16228-16229 16240 16349 16351 16369-16371 16377-16380 17371 17373 17391 17393 17395-17396 17398-17399 17645 17655 17678 17718 17725 17727 17741 17752 17756 17761 17765 17780 17782 17786-17788 17802 17815 17819-17820 17824 17834 17841 17854-17855 17860-17862 17872 17882 17892 17907 17910 17913 17915 17917-17919 18029 18058 18060 18086-18087 18092 18094-18095 18098 18106 18117 18121-18122 18128-18129 18131 18137 18139 18161 18163 18169 18172-18174 18188 18190 18197 18205 18207-18210 18212 18214 18228 18232 18234-18235 18244 18247 18249 18252 18254 18256-18257 18260 18262-18263 18265 18269-18270 18279 18285 18300 18308 18310 18321 18329-18330 18333 18344-18345 18347 18368 18377 18414 18423 18428 18431 18663 18668 18671 18675 18683 18685 18756-18757 18759 18764-18765 18767-18770 18773 18780 18789 18791 18796 18801 18804 18810 18815 18825 18830-18831 18841 18847 18853 18855-18856 18872 18879 18882 18889 18895 18901 18908 18910 18912 18917 18919 18924 18933 18935 18941-18942 18945 18950 18979 18997 19006 19013-19014 19018 19020-19021 19025 19034 19036 19041 19047 19053 19055-19056 19058-19060 19062-19063 19070-19071 19078-19079 19081 19087 19090 19095 19101 19106-19108 19110 19116 19118 19120 19122 19125 19135 19137-19139 19144 19147-19148 19150 19152-19153 19155-19157 19159 19164 19171-19173 19175-19176 19178-19180 19186-19188 19190 19192 19194-19196 19201 19205-19206 19209 19211-19212 19214 19217-19219 19223 19226 19230 19234 19238 19243 19246-19247 19250 19256-19258 19260 19266 19272 19275 19278-19279 19296 19301 19309-19310 19317-19318 19328 19330-19332 19334-19337 19340-19341 19344 19346-19347 19352 19365-19366 19370-19371 19375 19386-19387 19389 19393 19397 19401 19405 19410-19411 19414-19416 19420 19422 19434 19440 19442 19447-19448 19465 19467-19468 19470-19471 19479 19487-19489 19491 19500-19501 19503 19509-19514 19552-19554 19558 19564 19566-19567 19571 19580 19584 19587 19589 19594-19595 19603 19605-19606 19612 19614-19616 19618-19619 19624-19625 19627 19658 19662-19663 19681-19682 19690 19697 19705 19707-19708 19711 19735 19758 19765 19780 19782-19783 19788-19790 19796 19798 19805-19806 19808-19809 19812 19820 19823 19829 19860 19870-19871 19880-19881 19890-19891 19896-19897 19899 19916-19917 19921 19924-19925 19927 19932 19936 19938-19939 19944 19946-19948 19950-19952 19960-19961 19963-19965 19967 19969 19972-19973 19982 19985 19988-19989 19999 20001-20002 20005 20019-20020 20025 20027 20029 20048 20069-20070 20078 20082 20088 20090 20092 20094-20096 20105-20106 20116-20117 20119 20126-20127 20129 20134-20135 20140 20143 20147 20150 20156 20161 20163 20169 20173 20175-20177 20179 20188-20190 20193 20195 20201-20203 20205-20207 20225 20231 20237 20241-20243 20248-20249 20252-20253 20255 20266 20271 20273 20281 20284 20286-20290 20292 20294-20298 20300-20302 20304-20306 20309 20319-20321 20326-20327 20332-20333 20337-20339 20352 20354 20360-20361 20364-20365 20367 20371 20397-20399 20433-20435 20453-20458 20460-20461 20463 21351 21355 21362 21365-21367 21391 21395-21396 21398-21402 21413 21423 21429-21430 21433-21435 21437-21438 21441 21443 21448 21450 21472-21473 21481-21483 21591 21597 21599 21619 21621-21623 21687 21711 21713 21722-21723 21725-21727 21730-21731 21841-21843 21847-21848 21850-21852 21854-21855 21860 21862-21863 21873-21874 21988-21990 22004-22006 22022-22023 22034-22037 22039 22044 22046-22047 22345 22347 22368 22370-22371 22655 22732 22734 22739 22743 22748-22749 22751 22758 22764-22765 22767 22769 22771 22797 22800-22801 22803 22809-22811 22831 22840-22841 22844-22845 22912 22915-22917 22919 22921 22923 22926 22936 22938 22942 22947 22956-22957 22961-22965 22967 22972 22974 22984-22985 22987 23010 23013 23015-23016 23019 23023 23032-23033 23035 23063 23071 23077 23088 23095-23097 23107 23109-23110 23116-23117 23119 23132-23134 23136-23138 23140 23142-23143 23148-23149 23151-23153 23157 23160-23161 23163 23166 23173 23175 23183 23185-23187 23190 23196-23197 23202 23204-23205 23211 23215 23218 23220-23221 23224 23226 23230 23232-23233 23235 23240 23242-23243 23246 23248 23250-23254 23259 23264 23270-23273 23279-23280 23282-23283 23285 23288-23289 23291 23302-23304 23313 23315-23318 23322-23323 23325-23327 23330-23331 23333-23335 23337-23338 23360-23362 23364 23366-23367 23372 23374 23376 23378-23381 23389-23391 23396 23398-23400 23404-23406 23408-23410 23424-23425 23428-23430 23433 23435 23439 23448 23451 23453-23456 23458-23460 23462-23463 23472-23473 23477 23479-23480 23482 23487-23488 23493-23495 24064-24065 24067 24073 24075 25462 25531 25535 25558 25567 25570 25598 25703 25709 25711 25714 25719 25797-25798 25823 25845 25850 25855 25859 25882 25893 25932 25939 25945 25948 25951 25960 25962 25972 25974 25981 25984 25986 25989-25991 25993 26000-26002 26004 26006 26008-26010 26016 26027 26036-26038 26042-26043 26072 26075 26078 26081 26083 26089 26092 26106 26108-26109 26111 26123 26140 26148 26154 26159-26160 26170-26171 26173-26174 26177 26186 26190 26193 26200-26201 26203-26204 26206-26207 26209 26220 26224-26225 26227 26245 26251 26259-26260 26262-26266 26277 26279 26282 26285-26286 26292-26293 26295 26306 26310-26312 26314-26316 26318-26319 26330 26336 26340 26368-26369 26371 26377-26379 26389 26392-26394 26397 26399 26404 26406-26407 26409 26411 26416 26438 26441 26443 26448 26453 26456 26473 26488 26495 26500-26501 26512 26547 26560 26567 26574 26578-26579 26581-26585 26587 26602-26603 26606 26608-26609 26612-26613 26615 26617 26619 26746 26841 26859 26866 26888 26903 26906-26907 26909 26911 26919 26927 26929 26931-26932 26954 26956 26961 26970 26982-26983 26994-26995 27009 27013 27018 27026 27031 27037-27039 27064-27065 27104-27105 27108-27110 27113 27115-27117 27119 27126-27128 27130-27134 27138-27139 27145 27150 27156-27157 27160 27162-27163 27173-27174 27177 27179 27185-27186 27189-27190 27192-27193 27212 27219-27220 27226-27228 27232-27234 27241-27242 27246-27248 27253-27254 27260 27262-27263 27265-27266 27268 27270 27272 27274-27276 27278 27280 27282-27286 27288 27290-27293 27295 27301-27302 27305-27307 27309 27312-27314 27316-27317 27321 27327 27352 27354 27364-27365 27369 27371 27377 27386-27387 27390 27397 27399-27400 27405 27407 27412 27414-27415 27424 27432 27434 27436 27449 27451 27458-27459 27480 27482-27483 27487 27508 27510 27516 27520 27522-27523 27525 27529 27532 27537 27540-27541 27546 27549-27550 27552 27562 27565 27571 27577 27579 27583 27596-27597 27600-27601 27603-27604 27606 27608-27609 27611 27614 27616 27622-27623 27625 27629-27631 27634-27635 27638 27650 27653 27655 27664 27666 27680-27681 27683 27692 27694 27705 27707 27723 27727 27730 27733 27743 27745 27753 27757 27768 27770 27776-27778 27780 27782-27784 27798 27804-27805 27816 27825 27848 27851 27856 27875 27878 27880 27882 27891-27892 27895 27910 27912 27914-27915 27917-27920 27926 27931 27933-27935 27944 27946-27947 27949-27951 27954 27957-27960 27963 27970 27972 27975-27978 27980-27981 27983 27985-27987 27992-27994 27996-27997 27999-28001 28003 28029-28031 28039 28046-28047 28050-28053 28055 28060 28062-28063 28068-28069 28071 28074 28077 28079 28085-28087 28098 28104-28106 28121 28123 28133-28135 28137-28138 28141-28143 28152 28154-28156 28158-28159 28168 28180 28191 28194 28198 28204-28205 28207-28209 28211-28212 28214-28215 28220 28222-28224 28231 28233-28234 28239 28245-28247 28256 28272-28273 28293 28295 28298 28300 28302-28303 28326 28329 28331 28334-28335 28337-28339 28344-28345 28347-28350 28364 28366-28367 28370-28371 28379 28383 28392-28393 28395 28400-28401 28403-28405 28407-28409 28411 28417-28419 28424-28426 28428-28430 28448 28453 28464-28465 28467 28473-28474 28488 28490-28491 28493-28494 28516 28518-28519 28529-28531 28545-28547 28552-28554 28557-28562 28572 28574 28577-28579 28589-28594 28604-28605 28607 28609 28618-28619 28624-28625 28634-28635 28660 28662 28665-28666 28668-28670 29567 29651 29653 29661 29663 29669 29680 29682-29683 29685-29687 29933 29935 29940 29942-29943 29948 29950-29951 30028-30029 30034-30035 30038 30044 30046-30047 30065 30074 30148 30175 30193 30195-30198 30203 30206 30211 30226 30240-30241 30243 30253 30256-30258 30277 30338 30344-30345 30347-30350 30355 30360 30366 30368 30370-30371 30373 30389-30391 30415 30427 30430 30433-30434 30440 30442-30443 30448-30450 30452-30454 30461-30462 30578 30581 30583 30585 30587 30589-30590 30634-30635 30673-30675 30843 30845 30847 30893 30895 30904 30907 30909-30910 30930 30932-30934 30946-30947 30950-30951 30964-30965 30967 31004 31008 31014 31020-31022 31025 31028 31031-31032 31034 31037 31057-31059 31065-31067 31072-31073 31079 31093-31096 31098 31101 31103 31112 31114 31120 31133 31139 31143 31147 31166 31176-31178 31181-31183 31192-31194 31202-31204 31207 31223 31229 31231 31237 31239 31250-31252 31254-31255 31257 31285 31292 31294-31296 31299 31308 31315 31318 31327 31334 31337 31341 31343 31357 31379 31383 31391-31394 31396 31422 31424 31428 31437 31444 31447-31448 31450-31451 31453 31456-31457 31459-31460 31467-31469 31475 31478-31479 31485-31487 31489 31492-31493 31503-31504 31513-31514 31529 31536 31539 31545-31546 31551 31557 31562 31566 31569 31573 31575 31586 31594 31597-31599 31604-31605 31610 31612-31613 31617-31618 31620 31629 31632-31634 31650 31654-31655 31660-31662 31666 31672 31676 31686 31689 31692 31695 31697 31703 31707 31710-31711 31714 31720-31721 31740 31743-31746 31756-31758 31768 31770-31771 31800 31802-31803 31806-31807 31824 31827-31828 31830-31832 31834-31835 31841-31845 31848 31856-31857 31859 31861-31863 31867 31872-31873 31875 31882 31885 31888-31890 31893 31897 31900 31903 31905 31907-31910 31921 31925 31933-31935 31938 31941-31943 31948 31950-31951 31953-31957 31965-31967 31970 31974 31984 31986 31992 31996 31999 32002 32008 32010 32032 32034-32035 32044 32046 32073-32075 32096-32097 32099-32101 32103 32105 32107-32108 32112 32119 32125-32127 32138-32139 32141-32143 32150 32152-32154 32160 32162-32165 32167 32169 32177-32180 32182-32183 32185-32187 32212-32213 32221 32223-32224 32226-32227 32238-32239 32250-32251 32253 32255 32284-32286 32296-32297 32302 32304-32305 32307-32308 32311-32312 32314 32317 32332-32333 32337-32339 32356 32358-32359 32361 32369 32371 32384 32387-32388 32393 32406 32415 32419 32437-32441 32443 32453 32455 32461-32465 32467 32469 32471 32485-32487 32489-32491 32493 32504-32505 32507 32512 32514-32516 32518 32521-32523 32525-32527 32529 32536 32538-32539 32573-32575 32621 32632 32634 32636-32637 32648-32650 32688-32689 32691 32704-32706 32711 32714-32715 32719 32723 32726 32728 32730-32731 32734-32735 32741-32746 32748-32749 32751 32757-32759 32764-32766 36711 36717 36729 36732 36734 36804 36806-36808 36816 36818 36820-36821 36831 36847 36851 36860-36861 40871 40880-40882 40886-40887 40891 40905 40908 40915-40916 40919-40920 40923 40927 40933-40935 40944-40945 40948-40949 40951-40952 40954-40955 40958-40959 44943 44952 44954-44955 44958 44964-44965 44976-44977 44979-44980 44982 45045 45049 45051-45053 45055 48989 48998 49020 49023 49093 49104-49105 49108 49142-49143 49148-49149 49151 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/ApJS/271/4?format=ascii Optical default J/ApJS/271/4/table2 Parameters of LAMOST LRS & MRS v*sin(i) catalogs recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int Inst LAMOST spectrograph identifier (1) meta.id;instr char LAMOST LAMOST DR9 unique target identifier (source_id) meta.id;meta.main char RAJ2000 Right Ascension (J2000) deg pos.eq.ra;meta.main indexed DEJ2000 [-10/90] Declination (J2000) deg pos.eq.dec;meta.main indexed S/N [4/999]? Signal-to-Noise stat.snr int nullable Teff [5000/9000] Effective temperature K phys.temperature.effective int logg [0.09/5] log surface gravity log(cm.s**-2) phys.gravity float [Fe/H] [-2.5/1] Metallicity log(Sun) phys.abund.Z float vsini [27/350] Projected rotational velocity km/s phys.veloc.rotat int e_vsini [0/50]? Uncertainty in vsini km/s stat.error;phys.veloc.rotat int nullable DR7 Display data from LAMOST DR7 (V/156) within 0.5" meta.ref.url char