Aladfar

HR 7298 · HIP 94481 · η Lyr

👁️ Naked-eye

📋 A written introduction is coming — for now this page shows official values only.

Star

Apparent magnitude: 4.398 mag
Parallax: 2.35 mas → about 1,387.9 light-years away
Spectral type: B2.5IV
Right ascension: 288.4395°
Declination: 39.146°
Designation: HR 7298
Bayer designation: η Lyr
HIP number: 94481
IAU name adopted: 2017-09-05
Name language: Arabic
Name origin (IAU): Aladfar derives from the Arabic الأظفر al-ʼuẓfur "the talons (of the swooping [eagle])" which designates and asterism consisting of µ and η Lyr. It was made popular by Allen.

Constellation

Light from this object takes about 1,388 years to reach Earth — the light you see tonight left around AD 638 (official distance ÷ speed of light).
At magnitude 4.4 it is bright enough for the naked eye (limit about 6) — look from somewhere dark.
Declination 39.1° — it rises above the horizon in Seoul (37.6° N), so it is visible from Korea in the right season.

Worked out from this object's official values.