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ध्रुवाक्ष Dhruvākṣa

the ecliptic pole star · χ Draconis · Draco

individual staridentification likelyattestations 1 χ DraHIP 89937mag 3.55
DracoUrsa MinorDhruvākṣa
Dhruvākṣa sits at right ascension 18.4h, declination +73°. Stars to magnitude 4.8, north up and east to the left, with the IAU constellation figures.

Attestations

Sarvasiddhāntarāja (1639) · 1639 CE

No published e-text exists; the verse is readable in Pai & Shylaja's edition (JApA 42:113, 2021, open access), whose PDF is not machine-extractable (no ToUnicode maps). Pending an OCR proofread — never retyped.

Dhruvākṣa, of the second magnitude, stands always to the north. — Literal rendering by the compiler

The pole of the ECLIPTIC, named as a star — a concept no earlier Indian catalogue names, arriving with the Ptolemaic-Persian frame. Paired with Pūrvadhruvākṣa. Identification and verse number per Pai & Shylaja (2021), Table 1; rendering after the edition's construal.

Sarvasiddhāntarāja, saṃkrāntyādi 19 (ed. Pai & Shylaja 2021) · text · translation