v3.26.3
Cover
Oct. 14, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 14, 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-41153
Entity Registrant Name ALPHA STAR ACQUISITION CORPORATION
Entity Central Index Key 0001865111
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 100 Church Street
Entity Address, Address Line Two 8th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10004
City Area Code (332)
Local Phone Number 233-4356
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false