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Catalog/Cassiopeia/4 Per

4 Per

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4 Per · Cassiopeia
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Its story

4 Per has a visual magnitude of about 4.96: under a reasonably dark sky it is typically reachable with the unaided eye.

Equatorial coordinates for 4 Per: right ascension 2h 2m 18s, declination +54° 29′ 15″ (J2000), in the region of the Cassiopeia constellation (IAU figure Cas).

4 Per. It appears in classical and modern catalogs as HIP 9505, HD 12303, Gaia DR3 456370069393151360. In the SkyKeepsake Cassiopeia (Cas) browse hub it sits with other stars of the same IAU figure.

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Compose this star
FactsHIP 9505
Right ascension
2h 02m 18s
Declination
+54° 29′ 15″
Magnitude
4.96
Distance
≈ 800 ly
Data: gaia-dr3