HAT-P-21

Summary

HAT-P-21 is a star^[1]. HAT-P-21 ranks in the top 6% of star entities by monthly Wikipedia readership (5 views/month).^[2]

Key Facts

• HAT-P-21's instance of is recorded as star^[3].
• HAT-P-21's instance of is recorded as near-infrared source^[4].
• HAT-P-21's constellation is recorded as Ursa Major^[5].
• HAT-P-21's spectral class is recorded as G4^[6].
• HAT-P-21's child astronomical body is recorded as HAT-P-21 b^[7].
• HAT-P-21's catalog code is recorded as TYC 3013-1229-1^[8].
• HAT-P-21's catalog code is recorded as UCAC3 263-118118^[9].
• HAT-P-21's catalog code is recorded as 2MASS J11250598+4101406^[10].
• HAT-P-21's catalog code is recorded as GSC 03013-01229^[11].
• HAT-P-21's catalog code is recorded as UCAC2 46144439^[12].
• HAT-P-21's catalog code is recorded as Gaia DR2 770622651659107712^[13].
• HAT-P-21's catalog code is recorded as Gaia DR1 770622651659107712^[14].
• HAT-P-21's catalog code is recorded as TIC 17993892^[15].
• HAT-P-21's catalog code is recorded as TOI-1800^[16].
• HAT-P-21's catalog code is recorded as Gaia DR3 770622651659107712^[17].
• HAT-P-21's catalog code is recorded as HAT-P-21^[18].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+12.56'}^[19].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.46'}^[20].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.71'}^[21].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.503'}^[22].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.154'}^[23].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+10.111'}^[24].
• HAT-P-21's apparent magnitude is recorded as {'unit': '1', 'amount': '+11.557181'}^[25].
• HAT-P-21's absolute magnitude is recorded as {'unit': '1', 'amount': '+4.8'}^[26].
• HAT-P-21's luminosity is recorded as {'unit': 'http://www.wikidata.org/entity/Q843877', 'amount': '+1.4064614'}^[27].

Body

Designation and Status

Recorded instance of include star^[3] and near-infrared source^[4].

History and Context

Catalog codes include TYC 3013-1229-1^[8], UCAC3 263-118118^[9], 2MASS J11250598+4101406^[10], GSC 03013-01229^[11], UCAC2 46144439^[12], and Gaia DR2 770622651659107712^[13].

Why It Matters

HAT-P-21 ranks in the top 6% of star entities by monthly Wikipedia readership (5 views/month).^[2]