Cassiopeia A

Summary

Cassiopeia An is a supernova remnant^[1]. It draws 160 Wikipedia views per month (supernova_remnant category, ranking #3 of 23).^[2]

Key Facts

• Cassiopeia A's image is recorded as Heic0609.jpg^[3].
• Cassiopeia A's instance of is recorded as supernova remnant^[4].
• Cassiopeia A's instance of is recorded as astronomical radio source^[5].
• Cassiopeia A's constellation is recorded as Cassiopeia^[6].
• Cassiopeia A's part of is recorded as Milky Way^[7].
• Cassiopeia A's Commons category is recorded as Cassiopeia A^[8].
• Cassiopeia A's catalog code is recorded as SN 1671^[9].
• Cassiopeia A's catalog code is recorded as SN 1667^[10].
• Cassiopeia A's catalog code is recorded as SN 1680^[11].
• Cassiopeia A's catalog code is recorded as SNR G111.7-02.1^[12].
• Cassiopeia A's catalog code is recorded as 1ES 2321+58.5^[13].
• Cassiopeia A's catalog code is recorded as 3C 461^[14].
• Cassiopeia A's catalog code is recorded as 3C 461.0^[15].
• Cassiopeia A's catalog code is recorded as 4C 58.40^[16].
• Cassiopeia A's catalog code is recorded as 8C 2321+585^[17].
• Cassiopeia A's catalog code is recorded as 1RXS J232325.4+584838^[18].
• Cassiopeia A's catalog code is recorded as 3FHL J2323.4+5848^[19].
• Cassiopeia A's catalog code is recorded as 2U 2321+58^[20].
• Cassiopeia A's catalog code is recorded as 3A 2321+585^[21].
• Cassiopeia A's catalog code is recorded as 3CR 461^[22].
• Cassiopeia A's catalog code is recorded as 3U 2321+58^[23].
• Cassiopeia A's catalog code is recorded as 4U 2321+58^[24].
• Cassiopeia A's catalog code is recorded as AJG 109^[25].
• Cassiopeia A's catalog code is recorded as CTB 110^[26].
• Cassiopeia A's catalog code is recorded as INTREF 1108^[27].

Body

Geography

Cassiopeia A's part of is recorded as Milky Way^[7].

Designation and Status

Recorded instance of include supernova remnant^[4] and astronomical radio source^[5].

History and Context

Catalog codes include SN 1671^[9], SN 1667^[10], SN 1680^[11], SNR G111.7-02.1^[12], 1ES 2321+58.5^[13], and 3C 461^[14].

Why It Matters

Cassiopeia A draws 160 Wikipedia views per month (supernova_remnant category, ranking #3 of 23).^[2] It has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.^[28] It is known by 25 alternative names across languages and contexts.^[29]