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Sagitta[1] est una e minimis constellationibus, quae in caelo septentrionali sita imprimis aestate bene videri potest. Constellatio cumulum stellarum globosum M71 continet, qui 13.000 sla distat.
Data Sagittae constellationis | |
---|---|
Nomen | Sagitta |
Genetivus | Sagittae |
Abbreviatio | Sga |
Ascensio recta | 18 h 57 min ad 20 h 20 min |
Declinatio | +16° ad +21° |
Area | 80 gradus quadrati ordo: 86 |
Videri potest inter | -70° ac +90° |
Numerus stellarum magnitudinis < 3m | nullae |
Stella lucidissima, Magnitudo | γ Sga, 3,47m |
Constellationes finitimae (a septem trionalibus sensu negativo) |
Vulpecula Hercules Aquila Delphinus |
Stella | Nomen | Magnitudo |
---|---|---|
α Sga | Sahm | 4,37m |
Sahm (Arabice: sagitta) aut classis spectralis G1 II est, 610 sla remota, aut classis G0 II ac 473 sla remota.
γ Sga aut classis M0 III ac 170 sla remota aut K5 III ac 274 sla remota est.
(Posteriores censurae secundum Hipparcum satellitem.)
Quis hanc sagittam iecerit, non liquet:
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