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Hoshi Stars星

The stars you can see without a telescope, with names, colours and distances; the 88 constellations with their lines and boundaries; the Messier objects; and seven map projections to draw them on.

Hoshi is the Japanese word 星 for a star. About the name

Contents

Reference · How well each value of a star is known: the source and error of its position, magnitude, colour, parallax and proper motion, and a grade A, B or C

AccuracySourcetype

Where a value is from: BSC the Yale Bright Star Catalogue, GCTP the Yale General Catalogue of Trigonometric Stellar Parallaxes, 2MASS the Two Micron All Sky Survey, dynamical the Bright Star Catalogue's parallax from the orbit of a binary, literature a distance typed from a published paper (Betelgeuse, Rigel, Polaris).

Import it

import type { AccuracySource } from "@johnmorrisdotca/hoshi-stars/accuracy";

Definition

type AccuracySource = "BSC" | "GCTP" | "2MASS" | "dynamical" | "literature";

Examples

import { type AccuracySource } from "@johnmorrisdotca/hoshi-stars/accuracy";

const sources: AccuracySource[] = ["BSC", "GCTP", "2MASS", "dynamical", "literature"];
console.log(sources.length);
5

What it prints (run when this page was built)

View sourceEdit on GitHubMade from the source of @johnmorrisdotca/hoshi-stars 0.47.0.