
yz ceti

yz ceti nakshatr mein ack laal bauna taaraa haye. haalaanki yeh kewal 12 prakaash varshon mein soorya key apekshaakrit karib haye, lekin iss taare koo nangi aankho seey naheen dekhaa jaa sakata haye. ise ack flair starr key roop mein vargeekrit kiya gayaa haye joe chamak mein rook-rook curr utaar-chadhaav seey gujarta haye. yz ceti soorya key dravyamaan kaa lagbhag 13 pratishat aur isaki trijya kaa 17 pratishat haye.
yeh taaraa asamanya roop seey taau setty key karib haye, joe varnakramiya varg jee8 kaa ack taaraa haye. donon kewal lagbhag 1.6 prakaash varsh key antar parr hain, joe soorya seey saur mandal key nikatatam padosi, proxima centauri kii doori key ack tihai seey thodaa adhik haye.
parivartansheelta.
yz ceti ack parivartaniya taaraa padnam haih taaraa kabhi-kabhi chamak mein teji seey aur sankshipt vriddhi dikhaata haye, kabhi-kabhi satah seey visfot key kaaran parimaan 12.03 taka pahunch jaataa haye. iss prakaar key charr taare koo isake pahale sadasya key baad yuvi ct taare key roop mein jaanaa jaataa haye, yaa bolchal kii bhasha mein ack flair taare key roop mein jaanaa jaataa haye.
yz ceti bhee taaraa key ghoomane key saath-saath taramandal yaa rangmandaliya visheshtaon key kaaran chamak mein chhoti aavadhik bhinnataon koo darshaata haye. charr taaron key iss varg koo draknis charr key roop mein jaanaa jaataa haye. aavadhik bhinnataon seey taare kii ghoornan avadhi koo 68.3 dinon mein maapa jaa sakata haye, halanki isaki grah pranali key pratiroopan seey taare key liye 83 dinon kii ghoornan avadhi milati haye.
grah pranali.
10 agast 2017 koo teen grahon kii khoj kii ghoshana kii gaee thee aur ack sambhaavit chautha upa-prithvi grah ummidwar, jise abhee bhee pushti kii aavashyakta haye, 0.472 ± 0.096 prithvi dravyamaan key saath 1 dinn kii kakshiya avadhi mein. teen pusht grahon kii kakshaon koo taaron key rahane yogya kshetra key bheetar honey key liye yz ceti key bahut karib honey key liye nirdhaarit kiya gayaa thaa, jisamen santulan tapman kramshah b, c aur d grahon key liye 347-491 k (74-218 ° c; 165-424 ° f), 299-423 k (26-150 ° c; 79-302 ° f), aur 260-368 k (− <2> ° c; 8-203 ° f) seey laker thaa.
agast 2018 key ack adhyayan ney khoj maapon kii phir seey jaanch kii, joe yz ceti d kii kaksha kii pushti kartaa haye, lekin sambhavatah 1.97 dinon key bajaay 2.02 dinon kii yz ceti b kii thodi lambi kakshiya avadhi kaa pataa lagaata haye, aur yeh bhee pataa chalata haye kii yz ceti c shayed 3.06 dinon key bajaay kewal 0.75 dinon mein parikrama kartaa haye. yadi baad vaalaa sach haye, tou yz ceti c kaa dravyamaan kewal 0.58 prithvi dravyamaan hoga aur lagbhag 10 pratishat sambhavana haye kii yz ceti pargaman curr sakata haye. haalaanki, 2020 key ack adhyayan ney baad key nishkarsh kaa samarthan naheen kiya, jisamen 0.75-day avadhi koo sahee 3.06-day avadhi kaa ack upnaam paaya gayaa. ise chauthe ummidwar grah key liye bhee saboot naheen milaa.
2023 key ack adhyayan mein yz ceti seey radio tarang dairdhya mein vikiran key visfot kaa pataa chalaa, joe kii sabse bheetari grah, yz ceti b, key taare key saath baatchit seey judaa hoe sakata haye.

