Delta Cephei

Summary

Delta Cephei is a variable star^[1]. It ranks in the top 3% of variable_star entities by monthly Wikipedia readership (77 views/month).^[2]

Key Facts

• Delta Cephei's image is recorded as Dceph.jpg^[3].
• Delta Cephei's instance of is recorded as variable star^[4].
• Delta Cephei's instance of is recorded as classical Cepheid variable^[5].
• Delta Cephei's instance of is recorded as double star^[6].
• Delta Cephei's instance of is recorded as near-infrared source^[7].
• Delta Cephei's instance of is recorded as ultraviolet source^[8].
• Delta Cephei's instance of is recorded as pulsating variable star^[9].
• Delta Cephei's instance of is recorded as multiple star^[10].
• Delta Cephei's constellation is recorded as Cepheus^[11].
• Delta Cephei's spectral class is recorded as F5Iab:+B7-8^[12].
• Delta Cephei's Commons category is recorded as Delta Cephei^[13].
• Delta Cephei's companion of is recorded as Delta Cephei B^[14].
• Delta Cephei's has part is recorded as Delta Cephei B^[15].
• Delta Cephei's catalog code is recorded as SAO 34508^[16].
• Delta Cephei's catalog code is recorded as IRAS 22273+5809^[17].
• Delta Cephei's catalog code is recorded as 2MASS J22291029+5824549^[18].
• Delta Cephei's catalog code is recorded as GSC 03995-01479^[19].
• Delta Cephei's catalog code is recorded as HD 213306^[20].
• Delta Cephei's catalog code is recorded as HIP 110991^[21].
• Delta Cephei's catalog code is recorded as HR 8571^[22].
• Delta Cephei's catalog code is recorded as δ Cep^[23].
• Delta Cephei's catalog code is recorded as ADS 15987 A^[24].
• Delta Cephei's catalog code is recorded as BD+57 2548^[25].
• Delta Cephei's catalog code is recorded as CCDM J22292+5825A^[26].
• Delta Cephei's catalog code is recorded as CEL 5480^[27].

Body

Designation and Status

Recorded instance of include variable star^[4], classical Cepheid variable^[5], double star^[6], near-infrared source^[7], ultraviolet source^[8], and pulsating variable star^[9].

History and Context

Catalog codes include SAO 34508^[16], IRAS 22273+5809^[17], 2MASS J22291029+5824549^[18], GSC 03995-01479^[19], HD 213306^[20], and HIP 110991^[21].

Cultural Significance

Things named for Delta Cephei include Cepheid variable^[28], an astronomical object type^[29] and classical Cepheid variable^[30], an astronomical object type^[31].

Why It Matters

Delta Cephei ranks in the top 3% of variable_star entities by monthly Wikipedia readership (77 views/month).^[2] It has Wikipedia articles in 25 language editions, a strong signal of global cultural recognition.^[32] It is known by 21 alternative names across languages and contexts.^[33]

Entities named for it include Cepheid variable^[28], an astronomical object type^[29] and classical Cepheid variable^[30], an astronomical object type^[31].