TY  - BOOK
AU  - Varaha Mihira
TI  -  Sûrya-Siddhânta : a text-book of Hindu astronomy,: Text with English translation
SN  - 9788183150170
U1  - 520.954 V4211 S 
PY  - 2015///
CY  - New Delhi
PB  - New Bharatiya Book Corporation
KW  - Hindu astronomy
N1  - Surya Siddhanta of Varaha as given in his Panca Siddhanitka are almost the same as those of the Khandakhadyaka, it is clear that the old Surya Siddhanta was made up to date y Varaha by replacing the old constants in it by new ones from Aryabhata I's midnight system. A subsequent redactor of the Surya Siddhanta changed the constants as introduced by Varaha by following Bhrahmagupta's teachings in his Brahmasphuta teachings in his Brahmaspura Siddhanta and the Uttara Khandakhadyaka
ER  -