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आश्लेषा Āśleṣā

Ashlesha · ε Hydrae · Hydra

nakshatraidentification disputedattestations 5 Ashlesha ε HyaHIP 43109mag 3.38

Attestations

Sūrya Siddhānta
रोहिण्यादित्यमूलानाम् प्राची सार्पस्य चैव हि / यथा प्रत्यवशेषाणाम् स्थूला स्याद् योगतारका //
19. Of Rohini, Punarvasu (aditya), and Mula, it is the eastern, and so also of Açlesha (sarpa): in the case of each of the others, the junction-star (yogataraka) is the great (sthula) one. — E. Burgess (1860)

Colebrooke pointed to α Cancri; Burgess rejects this ('α Cancri is not the eastern member of any group of five stars') and places the asterism in the circular group in Hydra's head, 'and ε Hydrae, its brightest star... is the junction-star', while conceding the latitude error is 'very considerable'.

Sūrya Siddhānta 8.19 · text · translation
Lexicons, Nirukta & Buddhist · c. 2nd–4th century CE
aśleṣā-nakṣatram eka-tāraṃ tilaka-saṃsthānaṃ pañca-daśa-muhūrta-yogaṃ pāyasa-bhojanaṃ sarpa-daivataṃ maitrāyaṇīyaṃ gotreṇa/
Literal rendering: 'The Aśleṣā asterism has one star, is shaped like a forehead-mark, has a fifteen-muhūrta conjunction, milk-rice for its food, Sarpa for its deity, Maitrāyaṇīya by gotra.' — Literal rendering by the compiler

ONE star, tilaka-shaped, deity Sarpa (the Serpent), gotra Maitrāyaṇīya. The single-star count conflicts with the later five- or six-star Āśleṣā of the siddhāntas and supports taking the yogatārā (ε Hydrae) as the whole asterism in the older reckoning — which is some support for Burgess against Colebrooke's α Cancri. The Sarpa deity matches Sārpa already on file.

Śārdūlakarṇāvadāna (Divyāvadāna 33), nakṣatra-vaṃśa, pp. 46–47 · text · translation
Vaṭeśvara & Sāmanta · composed 1869 CE (Śaka 1791); edited by Joges Chandra Ray, Calcutta 1899
वसुखेन्दवः(९)१०८ … मर्काश्च(९)१२

Devanagari transcribed by the compiler from the page FACSIMILE of the Ray edition (Calcutta 1899), scan leaf n216 = printed p. 114–115: https://archive.org/download/in.ernet.dli.2015.292705/page/n216.jpg . The archive.org OCR of this volume is unusable for Devanagari, so no verse here is taken from the OCR text; every figure was re-read at full scan resolution and cross-checked against a second independent scan of the same edition (https://archive.org/download/siddhantadarpanachandrashekarsimha1897_252_Z/page/n217.jpg). Round brackets and the figures in them are the PRINTED EDITION'S own: (n) is the serial number of the asterism/star and the figure following it is the edition's decoding of the bhūtasaṅkhyā word-numeral that precedes it. These are the two printed segments of the dhruva list (vv. 2–6) and the śara list (vv. 7–10) that carry this asterism's own figures; the complete verses are given under db_id 'yogatara-catalog'.

'…(9) 108 00…' and '…(9) 12 00…' — the polar longitude of asterism no. 9 is 108°00' and its polar latitude 12°00', south. — Literal rendering by the compiler

SIDDHĀNTA DARPAṆA XII (Sāmanta, 1869): dhruva (polar longitude) 108°00', śara (polar latitude) 12°00' south. The direction comes from XII.11, which makes the śara southern for the asterisms numbered 4, 5, 6, 9, 13, 14, 16–21 and 24 and northern for all the rest; XII.12–13 give the asterism 5 star(s). TRUE VALUES for 1870 CE, reduced to Sāmanta's OWN sidereal zero (his Citrā = 179°, i.e. Spica; implied ayanāṃśa 22°12'), as polar longitude / polar latitude: ε Hya 105°22' / -11°30'; δ Hya 103°08' / -12°47'. VAṬEŚVARA-SIDDHĀNTA VIII.2.1–2 (904 CE) puts the same junction star at Kulīra 18° (= 108°00' measured from the sidereal origin) with a śara of 7°00' south (VIII.2.5–6, direction by VIII.2.8). Sāmanta's 108° / 12° S supports ε Hydrae (105°22' / 11°30' S) over δ Hydrae (103°08' / 12°47' S) on longitude, and his re-measurement of the latitude from the Sūrya Siddhānta's 7° S to 12° S is exactly the correction needed for either Hydra star — the inherited 7° fits neither.

Siddhānta Darpaṇa of Candraśekhara Sāmanta, Grahagaṇita, Tripraśnādhikāra, 12th prakāśa (Bhagrahayogavarṇana) 2–13 · text · translation
Vaṭeśvara & Sāmanta · 904 CE
त्र्य[३]ष्टि[१६]धृति[१८]भिः कुलीरे

This is the printed segment of the continuous dhruvaka list (VIII.2.1–2) that carries this star's own figure; the star's kṣepa is item no. 9 of the unbroken numeral run of VIII.2.5–6, which cannot be split, so the whole passage is also given verbatim under db_id 'yogatara-catalog'. Devanagari transcribed by the compiler from the page FACSIMILE of K. S. Shukla's INSA edition of the Sanskrit text, scan leaf n317 = printed p. 293: https://archive.org/download/VatesvaraSiddhantaSanskritText/page/n317.jpg . The archive.org OCR is unusable for Devanagari. The SQUARE brackets and the figures inside them are the EDITION'S own decoding of the bhūtasaṅkhyā word-numerals, reproduced here so that no numeral is silently converted. Shukla's English translation and notes are in copyright: they are neither quoted nor relied on here — only the constituted mūla text and the edition's numeric glosses.

Vaṭeśvara names no asterism individually in these verses: he gives, sign by sign, the degrees at which the junction stars stand. This star falls at Kulīra 18°, with polar latitude 7°00' south. — Literal rendering by the compiler

VAṬEŚVARA-SIDDHĀNTA VIII.2 (904 CE) gives the junction star's dhruvaka (polar longitude) as Kulīra 18° — Vaṭeśvara states the dhruvakas as degrees WITHIN each zodiacal sign, not as absolute longitudes, so this is 108°00' from the sidereal origin — and its kṣepa (polar latitude, VIII.2.5–6) as 7°00', south by the rule of VIII.2.8 (a verse the edition notes is identical with Brahmagupta's Khaṇḍakhādyaka I.9.13). TRUE VALUES for 904 CE reduced to Vaṭeśvara's own sidereal zero (his Citrā = 3° of Libra = 183°), as polar longitude / polar latitude: ε Hya 110°20' / -11°22'; δ Hya 108°11' / -12°40'. For comparison Sāmanta (1869) gives 108°00' / 12°00' south. Vaṭeśvara's list is essentially the inherited Sūrya-Siddhānta/Brahmagupta set: it is a fourth independent witness to those values rather than a fresh observation.

Vaṭeśvara-siddhānta VIII (Samāgamādhikāra), section 2 (Bhagrahayutyādividhiḥ) 1–2 (dhruvakas) and 4–8 (kṣepas) · text · translation
Chinese Buddhist witnesses · Xiuyao jing 759 CE (revised recension 764 CE); Modengqie jing (T1300) attributed to Zhu Lüyan and Zhi Qian, 230 CE; Shetoujian jing (T1301) Dharmarakṣa, c. 307 CE
柳圖。柳六星,形如蛇,神也,姓曼陀羅耶,食蟒蛇肉。

Verbatim parallels from the two earlier Chinese versions of the same Śārdūlakarṇāvadāna material, and the Tang commentator's note on the Chinese star-count: 摩登伽經 (Mātaṅga-sūtra) T21n1300, T21.0404c20: 「柳宿一星,半日共月不相捨離,祭之用乳,屬於龍神,因姓龍氏。有此七宿,在於東方。」 | 舍頭諫太子二十八宿經 T21n1301, T21.0415b19: 「不覲宿者,有五要星,形如曲鉤,行三十須臾而侍從矣,乾魚為食,主醍醐天,姓曰慈氏。是為七宿,屬于東方。」 | Yang Jingfeng's interlinear note in T21n1299 at T21.0389a25: 「景風曰:中國天文,柳八宿,主廚饍之任,南方之宿」

Xiuyao jing: "Chart of Liu. Liu has six stars; its form is like a snake; it is a [snake] deity; its clan is Māndhālāya (曼陀羅耶); its food is python-flesh." — Modengqie jing (T1300, c. 230 CE): "The Liu asterism has one star; for half a day it does not part from the moon; milk is used in its offering; it belongs to the Dragon (Nāga) deity, and its clan is accordingly the Dragon clan. These seven asterisms are in the east." — Shetoujian jing (T1301, c. 307 CE): "The asterism Not-Beheld has five principal stars, its form like a curved hook; it travels thirty muhūrta in attendance; dried fish is its food; the deva of Clarified Butter presides; its clan-name is Maitra (慈氏)." — Literal rendering by the compiler

Chinese lunar lodge (xiu) 柳 Liu; T1301 renders the name semantically as 不覲 ('Not Beheld'). A three-way DISAGREEMENT worth recording. The Śārdūlakarṇāvadāna gives Āśleṣā one star (eka-tāraṃ tilaka-saṃsthānam); the 3rd-century T1300 agrees exactly — 柳宿一星 — and adds half a day (15 muhūrta), matching pañca-daśa-muhūrta-yogam. But T1301 has five stars in a curved hook and the 759 CE Xiuyao jing has six in a snake-figure. The single star therefore looks original and the multi-star hook/snake secondary — which supports the DB's ε Hydrae yogatārā reading against the later five- or six-star Āśleṣā. The SARPA/Nāga deity is constant in T1300 (龍神, 龍氏) and implicit in T1299's snake-figure, matching sarpa-daivatam; T1301's clan 慈氏 = Maitra matches maitrāyaṇīyaṃ gotreṇa. Chinese astronomy gives Liu eight stars.

Taishō T21n1299 fasc. 1 (T21.0389a20), with T21n1300 fasc. 1 and T21n1301 · text · translation

See also

Sārpa