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面向世界科技前沿,面向国家重大需求,面向国民经济主战场,率先实现科学技术跨越发展,率先建成国家创新人才高地,率先建成国家高水平科技智库,率先建设国际一流科研机构。

——九州体育banyuanfangzhen

九州体育 > 传媒扫描

【科技日报】青海冷湖镇地区发现一流光学红外天文台台址

望向深空之眼建在哪儿“视力”最佳

2021-08-31 科技日报 金凤
【字体:

yuyinbobao

zaisaishentengshanshangdiyicizuodimianshiningduceliangshoufangzhegongtu

2021nianqixi,zhengzaishigongzhongdelenghuzhensaishentengshantaizhi。hongwenhanshe

  下一代地基光学红外望远镜最大的特点就是口径大,观测的天体也会更暗。这就要求天文台台址在保证可观测夜数足够的前提下,天空背景要更暗,大气湍流要更小,视宁度要更低,才能有效发挥望远镜性能。—— 冯麓 九州体育国家天文台副研究员

  qinghaishengxibeijiaodelenghuzhen,zhengzaichengweiquanqiutianwenjieguanzhudejiaodian。zheilidesaishentengshan,zuigaohaiba4576mi,julidunhuangyue250qianmi。

  zi2018nianchuzhi2020niandi,jin3nianjian,zheikuaiganhanshaoyu、rizhaoqiangliedediquxiyinleyipipikexuejia,tamenbushiyangwangxingkong,shitucongyunliang、yekongbeijingliangdu、qiwen、yali、shidu、fengsuhefangxiang、huichen、kejiangshuiliangdengshujuzhongchousibojian,mudezhiyouyige,weiweilaidewangyuanjingxunzhaoyichushiheanfangdexinjia。

  zuizhongdejieguozuyilingkexuejiamenxinwei。

  jinri,九州体育guojiatianwentai、九州体育daxue、xihuashifandaxue、九州体育dizhiyudiqiuwuliyanjiusuo、九州体育zijinshantianwentaiqinghaiguancezhandengtuanduideyanjiurenyuanzai《ziran》zazhifabiaolunwencheng,tamenfaxiansaishentengshancqu4200mihaibabiaogaodiandeguangxueguancetiaojian,zaiguangxuehongwaitianwenguancexingnengfangmiankeyibijianguojiyiliuguangxuehongwaitianwentaitaizhi。qizhong,nenggouyingxiangdijiwangyuanjingchengxiangzhiliangdeshiningduzhibiaodezhongzhiwei0.75jiaomiao,zheigecanshuyuguojizuijiataizhishujudazhixiangtong。

  muqianyizhideshijieshangzuihaodetianwentaitaizhibaokuoyimeiguoxiaweiyimonakeyashanweidaibiaodehaidaogaoshanxing,yizhilisailuo·palanadiquweidaibiaodehaianbiangaosongshanmaixingheyinanjiweidaibiaodejidixing。neilushifoucunzainengyuzhibijiandeyouxiutaizhi,saishentengshancqudefaxianjichuledaan。xuantaizhikenengshitianwenlingyuzhongzuijiankudegongzuozhiyi。zaimeiyichutaizhibeihou,douyouyichuandashujudezhicheng,chulexuyaokaochadixing、dizhi、yunxingzhichengwai,haixukaolvzhuduotianwenguancedexiangguanyingxiangyinsu,baokuoqingyeshu、shiningdu、qixiangtiaojiandengzhibiao。

  避开光污染 天文台台址不断远离城市

  “gulaodetianwentai,liruyingguogelinnizhitianwentai、jialilvegongzuoguodeyidalipaduowatianwentai,doujianzaichengshilihuojinjiao。zaitamenjianshedeshidai,wangyuanjingkoujinghenxiao,guanceyezhuyaoyimushiweizhu,erqieneishichengshijihumeiyouguangwuran。”shangshulunwendiyizuozhe、九州体育guojiatianwentaiyanjiuyuandenglicaijieshao,tianwenxuefazhandaojindai,zhujiankaishizhongshitianwentaidexuanzhi,tianwentaitaizhiyezaibuduanyuanlichengshi。

  denglicaishuo,dijitianwenguancedoushitouguodiqiudaqijinxingguance,daqizhongdewuzhihuixishoulaizitiantidexinhao,suoyitaizhishangkongdedaqiyuebo,beixishoudexinhaojiuyueshao。yincixuyaozaihaibajinkenenggaodedifangxuanzhi。

  ciwai,xuanzhihaixuyaoyuanlirenzaoguangyuan,yinweidaqizhonggezhongyinsuchanshengdesanshehuiyanzhongyingxiangtianwenguance。

  renleihuodongbujinzhizaolegengduodeguangwuran,yerangjianduandedijiguangxuehongwaiwangyuanjingzhimiangengduotiaozhan。九州体育guojiatianwentaifuyanjiuyuanfenglugaosukejiribaojizhe:“xiandaideguangxuehongwaiwangyuanjingzailingminduhebozhangfugaifanweifangmian,yaobiyiqianqiangdeduo。wangyuanjingdejuguangnengliyuelaiyueqiang,yejiuyiweizhetamenbujinnengbuzhuoxingguang,yehuijiangchengshidengguangyiqishoujijinlai。erweilaiguancedetiantimubiaoyuelaiyueyuan,zheijiuyiweizhezaidimianguancedeshihoutamenbenshenjiuhuihenan。suoyiyongyuyejianguancedetianwentaidexuanzhijiuyaobimianchengshideguangwuran,xuanzegengpianpidedifang。”

  jianguochuqi,woguoyonglaizaiyejianguancedetianwentaizhiyouweiyunanjingshide九州体育zijinshantianwentai。shangshiji90niandai,tianwenxuejiazaiwoguoxibukaizhanleyixilietaizhitanchahejiancegongzuo。yunnantianwentaidegaomeiguguancezhan、xinjiangtianwentaidenanshanguancezhan、qinghaidedelinghaguancezhanjiudanshengyuzheiyishiqi。zheixietaizhandehaibagaodupubianzai2000—3000mi,xiangduiyuhaibajinyou900midehebeixinglongguancezhan,tamennengbikai1000—2000midedaqituanliu,shiningduyejiugenghao,gengyouzhuyuwangyuanjingchengxiang。

  weileyingduiweilaigengdakoujingwangyuanjingjianshedexuqiu,woguozai2003nianqianhoujizhongliliangduiqingzanggaoyuanhepamiergaoyuankaizhanlexuanzhigongzuo。xizangdewuma、gaer,xinjiangdekalasudenghaibazai3000—4000midetaizhidoushizaizheiqijianyongxianchulaide。

  海选、踏勘、精测 天文望远镜“落户”不简单

  yekongzhong,womenmulisuojidefanxing,90%yishangdoushiyinhexineidehengxing,zheishiyinweizheixiehengxingliwomenjiaojin。

  youyudiqiuzizhuanzhouheyinpancunzaiyigejiajiao,suoyizaishijiguancexingkongdeshihou,nanbanqiusuoduiyingdenantiankeyikandaogengduoyinhexineidetianti;erzaibeibanqiuduiyingdebeitian,yinhexizhedangjiaoshao,jiezhuwangyuanjingkeyikandaoyinhexiwaiheyinpanwaidetianti。

  duiyutianwenxuejiaeryan,wulunshiyinhexineihaishixiwaidetiantidouyouzhongyaodeyanjiujiazhi。fenglushuo:“duiyudakoujingwangyuanjingdejiansheeryan,diliweizhidekaolianggengduodeshichuyutianwentaizishendeqingxiangxing,birumeiguodetianwentaipianxiangyuzaibenguolingtuneijianshewangyuanjing,erouzhounanfangtianwentaicongjiantaizhichujiushiyaozainanbanqiushelizijideguancejidideng。”

  denglicaishuo,xiangyaoxunzhaoxiwaixingxingshangdeshengmingjixiang,buzhuodianciyinlibobaofahetaikongoufadeshunshitiantiwulishijian,wangyuanjingjiubixujinliangjunyundifenbuzaiquanqiugedi,cainengzaiyouxiandeshijianchuangkouzhongjingqueguance、yanzhengzheixietianwenxianxiang。erlenghuzhenzaidongbanqiudutedediliweizhi,qiahaotianbulemonakeyashan、atakamashamohejianeiliqundaosanditianwentaizhijianzaidilishangdejudahonggou。

  dangran,rangtianwenwangyuanjing“luohu”,bukenengyicuerjiu。denglicaijieshao,jiulenghuzhendiqudetianwentaixuanzhilaishuo,kexuejiashouxiancongduonianlaidimianqixiangtaiwangheweixingyunliangdeshujuzhong,xuanzeleyigedazhideshiyiquyu;ranhoushiditakan,chakandixingdimao、dizhitiaojiandeng,lirushifouyouqifumingxiandegaoshan,dizhitiaojianshifouliyuxiulu;zaidiaoyuedangdi3geqixiangzhanjin30niandeqihoujilu,chakanzheilidenianpingjunjiangshuilianghenianrizhaoshijian;quedingdazhikexingzhihou,haiyaozaijinxingzhangqidedingdianceliang。

  要“看到”还要“看好” 选址需考虑这些科学指标

  guangxuetianwentaidexuanzhixuyaokaolvzhuduokexuezhibiao,biruqingyeshu、tianguangbeijingliangdu、shiningduyijishejiqixiangtiaojiandefengli、keliwu、shuiqideng。

  shiningduzhideshidaqidoudongduiwangyuanjingguancexingxiangzaochengdemohuchengdu,xuanzhidiqudeshiningduyuediyuehao。shiningdudejiancewangwangcaiyongchafentuxiangyundongjianceyi。zheizhongshebeigenjusuoshoujidaoxingbandeyundongtongjijieguo,jiehedaqituanliudewulitongjimoxing,jiukeyifanyanchutaizhishangkongdaqideshiningdu。

  juedingdijiguangxuehongwaiwangyuanjingnengfouguancedaotiantidezuizhongyaoyinsuhaibaokuoyunliangzhedang。fenglujieshao,chuantongtianwenguanceyouliangzhong,yizhongshiceliangtiantideliangdu,yizhongshiceliangtiantideguangpu。duiyuqianzheeryan,yinweiceliangdeshilaizimubiaotiantiguangzidejueduishuliang,suoyiyidanzaiguancemubiaohewangyuanjingzhijianchuxianyun,daodawangyuanjingdeguangzijiuhuijianshao,yuncengtaihoudeshihouyeyoukenengwanquanjieshoubudaoguangzi。erguangpuguancezebuxuyaoceliangdaodaguangzidejueduishuliang,zhiyaoyoulaizitiantideguangnengbeijieshou,erqieqiangduzugoukandaogetiaopuxiandexiangduiweizhi,guancejiushichenggongde。danruguoguancedetiantibijiaoan,guangpuguancekenengyehuishouyidianyingxiang。

  suoyi,tianwenxuejiazaikaochataizhideyunliangshi,yibanhuibazhangshijian(biru3dao6gexiaoshi)zaitiandingfangxianghendajiaodufanweilibucunzairenheyundeqingkuangchengweiqingyehuozheceguangye。erzaizhangshijianjiaoxiaofanweineiwuyunhuozheshaoyundeqingkuangbeichengweiguangpuye。

  fenglurenwei:“yigetaizhishifouyouliang,shouxianyaokandejiushitadeqingyeheguangpuyezhanquanniandebaifenbi。ruguoyouyun,haiyaokanyundefenbuheyouyunshijiandezhangduan。”

  ciwai,shuiqishizuzhihongwaiguangchuantoudaqidezhuyaoyinsu。pingjiadaqishuiqihanliangdezhibiaoshidaqikechenjiangshuiqihanliang。tabiaozhenglecongdimiandaotiandingdaqizhongshuiqidezongliang,haibayuegaoshuiqihanliangyuedi,zhouweizhibeiyueshaodetaizhitongchangkechenjiangshuiqihanliangyejiaodi。shuiqidezhibiaoceliangjiaoweifuza,wangwangxuyaozaihongwaiheshedianduoboduantongshijinxingtance,genjutancejieguo,jiehemoxingfanyanchukechenjiangshuiqihanliangdejueduizhi。

  “buguo,kaolvyidishifoushihezuoweitaizhi,haiyaozonghekaolvgegecanshuzhijiandeguanxi,zaineng‘kandao’tiantidejichushang‘kanhao’caixing。”fenglushuo。

  weilerangtianwenwangyuanjingjinkenengbushouhuanjingdeyingxiang,jinnianlaikexuejiayezaichangshijiangzishiyingguangxuexitongyingyongyutianwenwangyuanjingzhong。

  fenglujieshao,zishiyingguangxuexitongkeyigenjudaqituanliudetezheng,zaiwangyuanjingguangluzhongduijieshoudaodetiantijibianboqianjinxingxiaozheng,jinkenengjiangdidaqituanliuduichengxiangdeyingxiang。tongshi,weileshishitancedaqituanliu,kexuejiahuishiyonggaoxingnengdenajiguang,jifaweiyu90—110qianmigaokongzhongdenayuanzi,shinayuanzichanshenggongzhenyingguang。gongzhenyingguangzhong,houxiangfashedeguangzifanhuidimiandeguochengzhong,huijiangdaqituanliuzhaoliang,kexuejiajiukeyijucipanduandaqituanliudebianhuaqiangdu,jierjinxingxiaozheng。danzheizhongjishuhuishoudaonacengzaifengduhegaodushangdiyuhejijiexingbianhuadeyingxiang,tongshihaihuishoudaogaokongfengsu、diqiucichangshiliangdengyutaizhixiangguanyinsudezhiyue。

  “danwulunruhe,xiayidaidijiguangxuehongwaiwangyuanjingzuidadetedianjiushikoujingda,guancedetiantiyehuigengan。zheijiuyaoqiutianwentaitaizhizaibaozhengkeguanceyeshuzugoudeqiantixia,tiankongbeijingyaogengan,daqituanliuyaogengxiao,shiningduyaogengdi,cainengyouxiaofahuiwangyuanjingxingneng。”fenglushuo。

(yuanzaiyu《kejiribao》 2021-08-31 08ban)

打印 责任编辑:阎芳

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  • © 1996 - 九州体育 版权所有 京ICP备05002857号-1 京公网安备110402500047号 网站标识码bm48000002

    dizhi:beijingshixichengqusanlihelu52hao youbian:100864

    dianhua: 86 10 68597114(zongji) 86 10 68597289(zongzhibanshi)

    bianjibuyouxiang:casweb@cashq.ac.cn

  • © 1996 - 九州体育 版权所有
    京ICP备05002857号-1
    京公网安备110402500047号
    网站标识码bm48000002

    地址:北京市西城区三里河路52号 邮编:100864
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