ngc 1637

ngc 1637 taramandal eridanus mein ack alag, gair-paraspar kriya karane vaali madhyavarti sarpil akashganga haye, joe taaraa myu eridani key wnw key lagbhag ack degree haye. yeh doodhiya raaste seey lagbhag kuchh doori parr sthit haye. akashganga prithvi seey drishti rekha key liye 31.1° key konn parr jhuki hui haye aur lambi dhuri 16.3° key sthiti konn key saath unmukh haye.
1991 mein, gerard dee voculars aur sahyogiyon ney sub (rs) see seey ngc 1637 kaa ack roopaatmak vargeekaran saunpa, joe naabhik key paar ack kamjor baar sanrachana (sub) key saath ack sarpil akashganga kaa sanket detaa haye, joe ack aanshik valay (rs) aur kuchh hudd taka shithil-ghaav vaali baahon (see) seey ghiraa huaa haye. jabaki akashganga kaa aantarik bhaag ack samamit dou-haath sanrachana dikhaata haye, isamen ack ekal baahari sarpil bhuja hoti haye joe naabhik key chaaron or 180° koo lapetati haye, jisase akashganga koo samagr roop seey asmamit, ektarafa roop milata haye. baahari sarpil bhuja mein ack laal ghatak hotaa haye joe ack mahatvapurna ayu kaa sanket detaa haye. haalaanki, iss sanrachana key astitva koo samajhaana mushkil haye. akashganga haal hii mein starberst gatividhi key sanket dikhaati haye joe lagbhag 15 million saal pahale samaapt hoe gaee hogi.
sakriya kendriya naabhik kamjor liner vyavhaar dikhaata haye, aur yeh ack liner aur ack aich II kshetra key beach ack madhyavarti roop hoe sakata haye. naabhik mein aiks-ray srot kii chamak 0.3-7 cave baind mein hoti haye.
ack prakaar kaa II-p core patan supernova octuber 1999 key dauran akashganga kendra key dakshin-paschim mein ack koniya prithakkaran parr khoja gayaa thaa. ise 1999 kaa aiss. aine. ee. aim. padnam praapt huaa aur yeh usa varsh khoja gayaa sabse chamkila supernova thaa, joe parimaan 13.1 taka pahunch gayaa thaa. yeh sthaan akashganga key ack avikasit prithakkaran seey mell khaata haye.

