🟡Yuyu — ι Cancri
A binary at Vmag 4.03 resolved in amateur telescopes as a golden G-type giant with a white A-type companion, at a distance of 337 ly. The name is Javanese for a crab, resembling an old indigenous constellation.

IAU names Feb 2026.
#Yuyu #IAUStarNames

🟡 Lumbung — 39 Crucis
An eruptive white variable star (mag 4.95) between the bright stars of the Southern Cross, 1034 ly away. The new star name refers to a traditional Indonesian rice barn and is from the Proto-Malayo-Polynesian language.

IAU-names from Feb 2026.
#Lumbung #IAUStarNames

⚪Udang - θ Capricorni

A binary system a white and a cooler star at a distance of 158 ly distance. The new name is from the Indonesian island of Bali and reflects a tradition that is more than a millennium old.

#Udang #IAUStarNames

🟠Tonglingxing - HIP 33694

A on old orange K-type giant (mag 4.55) in the constellation Camelopardalis. The Chinese name means "Phoenix Tree Mound" and suggests poetically the rise of the phoenix in northern spring time. A slowly spinning star at 191 ly distance.

#Tonglingxing #IAUStarNames

⚪ Gaja — τ Tauri
A double binary (mag 3.0) marking horn of Taurus, The Bull and Gaja, The Elephant. Gaja means “elephant” in Sanskrit, and the spelling is from modern Indonesian. An interesting star system at 304 ly.
IAU Feb 2026.
#Gaja #IAUStarNames

🟡 Naga — γ Hydrae
A golden G-type giant (mag 3.0) marking the tip of Hydra’s tail. Nāga means “serpent” in Sanskrit, echoing sacred serpent traditions across South & SE Asia. Spectroscopic binary, ~5127 K, 19 R☉, 132 ly.
IAU Feb 2026.
#Naga #IAUStarNames 🐍✨

⚪ Huagai — ι Cassiopeiae
A complex multiple-star system in Cassiopeia. Huagai (“Imperial Canopy”) crowns the Purple Forbidden Palace in ancient Chinese astronomy. Magnetic, hierarchical system, ~141 ly, circumpolar.
IAU Dec 2025.
#Huagai #IAUStarNames

⚪️ Shangcheng (上丞) — HIP 14862
A fast-spinning white star in Cassiopeia. Shangcheng (“Great Imperial Minister”) guards the northern gate of China’s Purple Forbidden Palace. Strongly oblate A-type star, ~160 ly away.
IAU Dec 2025.
#Shangcheng #IAUStarNames

🎄🟠 Kamelos — HD 45866
A faint K-type red giant in Camelopardalis. Kamelos (“camel”) plays on the Greek roots of the Giraffe constellation and its 17th-century lore. Cool, swollen, and quiet: 4200 K, ~52 R☉, 579 ly.
IAU Dec 2025.
#Kamelos #IAUStarNames

🎄🦌 Aldu — ε Persei
A bluish-white B-type star (mag 2.9) in Perseus. Named Áldu (“Reindeer Cow”) from Sami tradition, part of the winter reindeer constellation. Rapidly pulsating spectroscopic binary, 26,500 K, 15 M☉, 6 R☉, 537 ly.
IAU Dec 2025.
#Aldu #IAUStarNames

🎄 Rangifer — 49 Cas
A circumpolar G-type giant (mag ~5) in Cassiopeia.
Named after the extinct constellation Rangifer (Reindeer), inspired by Sámi sky traditions and introduced in 1743.
🌡️ ~4880 K | ~1.1 M☉ | ~19 R☉ | ~426 ly
IAU adopted Dec 2025.
#Rangifer #IAUStarNames 🦌✨

🎄 Tarandus — 2 UMi
Warm orange giant near the North Celestial Pole (mag 4.22).
Name from Rangifer (Reindeer), Latinized from Greek tárandos.
🌡️ ~4510 K | ~2.3 M☉ | ~24 R☉ | ~312 ly
IAU adopted Dec 2025.
#Tarandus #IAUStarNames

🔵 Heng – ν Cen
Bright blue-white star in #Centaurus, mag 3.38.
🌡️ 22,400 K | 11.8 M☉ | 8.2 R☉ | 474 ly
Name Héng (衡), an ancient Chinese term likely meaning “balance bar,” from the 2nd-century BCE super-constellation Kulou.
A pulsating B-type subgiant.
#IAUStarNames #ChineseAstronomy

🟠 Shimu – ζ And
Reddish K-giant in #Andromeda, ~mag 4.0.
🌡️ 4900 K | 4.8 M☉ | 85 R☉ | 181 ly
Name Shǐmù (“Eye of the Pig”), from the ancient Chinese asterism Tiān Shǐ, with roots tracing back 5,500 years.
A spotted, magnetically active binary; primary mapped via Doppler imaging.
#Shimu #IAUStarNames

🟠 Shimu – ζ And
Reddish K-giant in #Andromeda, ~mag 4.0.
🌡️ 4900 K | 4.8 M☉ | 85 R☉ | 181 ly
Name Shǐmù (“Eye of the Pig”), from the ancient Chinese asterism Tiān Shǐ, with roots tracing back 5,500 years.
A spotted, magnetically active binary; primary mapped via Doppler imaging.
#Shimu #IAUStarNames

🟡 Quadrans – 44 Boo A
Yellow sun-like star in #Boötes, mag 4.83.
🌡️ 5877 K | 1.04 M☉ | 1.55 R☉ | 41 ly
Name Quadrans (“quadrant”) from the obsolete constellation Quadrans Muralis, near the radiant of the Quadrantids.
Hosts a 23 K debris disk; part of a triple system.
#Quadrans #IAUStarNames #44Boötis

⚪️ Kulou – ι Cen
Bright white star in #Centaurus, mag 2.73.
🌡️ 9160 K | 2.36 M☉ | 2.1 R☉ | 58 ly
Name Kùlóu (“Arsenal”), from a 2nd-century BCE Chinese super-constellation spanning Centaurus & Lupus.
Shows strong IR excess from a warm debris disk.
#Kulou #IAUStarNames

🔵 Tiansi – γ Cas
Eruptive Be star in #Cassiopeia, mag 2.4.
🌡️ 26,500 K | 18.7 M☉ | 10.9 R☉ | 549 ly
Name Tiān Sì (“Heavenly Quadriga”), a 2,000-year-old Chinese asterism.
A high-mass X-ray system; X-rays likely from the Be star + disk.
#Tiansi #IAUStarNames

🔵 Cexing – κ Cas
Blue supergiant in #Cassiopeia, mag 4.16.
🌡️ 24,600 K | 38 M☉ | 43 R☉ | 4,126 ly | BC0.7 Ia
Name from Chinese Cè Xīng (“The Whip Star”), part of the charioteer Wangliang.
A fast runaway star with a huge bow shock.
#Cexing #IAUStarNames

🟠 Bagu – δ Aur
Orange giant, mag 3.72 in #Auriga.
🌡️ 4,786 K | 1.1 M☉ | 21 R☉ | 140 ly | K0 IIIb
Name from Chinese Bā Gǔ (“Eight Kinds of Crops”), an ancient Han-era asterism.
Brightest star of Bagu & namesake of the Delta Aurigids.
#Bagu #IAUStarNames

⚪️ Alaybasan (β Tri) — mag 3.0 white A-type binary in #Triangulum.
🌡️ 7,680 K | 3.25 M☉ | 3.4 R☉ | 124 ly | A5 III
Name from Arabic al-Aybasān, “the Two Bone-Joints.”
A 31.4-day spectroscopic binary as tight as Mercury’s orbit.
#Alaybasan #IAUStarNames #BinaryStars

⚪️ Apdu (γ Tri) — mag 4.0 white, fast-rotating star in #Triangulum.
🌡️ 9,440 K | 2.5 M☉ | 2.25 R☉ | 117 ly | A1Vnn
From ancient Egyptian Apdu (𓅫pd), “the Bird,” now official IAU name.
#Apdu #GammaTrianguli #IAUStarNames #StarEtymology #Triangulum

🟠 Adhil (ξ And) — mag 4.86 orange giant in #Andromeda.
🌡️ 4,840 K | 2.5 M☉ | 10 R☉ | 195 ly | K0 IIIb
From Arabic al-dhayl, “the hem (of a robe),” marking the lower hem of Andromeda’s dress.
#Adhil #IAUStarNames #ArabicAstronomy #RedGiant

🟠 Ainalrami (ν¹ Sgr) — mag 4.84 orange supergiant in #Sagittarius, marking the Archer’s Eye.
🌡️ 3,460 K | 6.5 M☉ | 101 R☉ | 1,770 ly | K1 II
From Arabic ʿAyn ar-Rāmī, “the Eye of the Archer.”
#Ainalrami #IAUStarNames #ArabicAstronomy #Supergiant

🔴 Aldebaran (α Tauri) — mag 0.86 orange giant in #Taurus, the fiery eye of the Bull.
🌡️ 3,900 K | 1.16 M☉ | 45 R☉ | 65 ly | K5+III
From Arabic al-dabarān, “the Follower,” trailing the Pleiades.
Once Sun-like, now a red giant.
#Aldebaran #ArabicAstronomy #IAUStarNames #RedGiant

🔵 Aladfar (η Lyrae) – blue-white star in #Lyra, mag 4.4, ~1,040 ly.
🌡️ 17,360 K | 10 M☉ | 4.3 R☉ | B6 type
Name from Arabic al-aẓfār, “the talons (of the eagle).”
Part of the ancient Arabian Eagle asterism.
#IAUStarNames #ArabicAstronomy #BlueStar #Lyra

🟡 Ain (ε Tau) – yellow giant in #Taurus, mag 3.5, ~154 ly away.
🌡️ 4,880 K | 2.45 M☉ | 12 R☉
Hosts giant planet Amateru (ε Tau b), a hot super-Jupiter (~7 M♃) orbiting every 586 d.
Name “Ain” = Arabic ʿAyn al-Thawr, “Bull’s Eye.”
#Ain #Amateru #IAUStarNames #Exoplanet #Taurus

🎃 Apāmvatsa (74 Vir) – a gentle red giant in Virgo (mag 4.69).
IAU releases the ancient Sanskrit name “Apāmvatsa,” meaning “calf of the waters,” from Indian sky tradition — just in time for Deepavali’s lights and Halloween’s pumpkins.
🌡️ 3,500 K | 400 ly | M2.5 III
#Apamvatsa #IAUStarNames

🔵 Acrux (α Crucis) – HIP 60718
The brightest star of Crux, the Southern Cross 🌌 mag 0.76, 321 ly.
Spectral type B0.5IV: 🌡️ 28,800 K | 17 M☉ | 7 R☉
Visible south of the Tropic of Cancer, Acrux has long guided navigation.
✅ Officially adopted by the IAU.
#Acrux #Crux #IAUStarNames

🟠 Tusizuo (屠肆左) – 109 Her
"Left Star of the Butcher’s Shop" from Han dynasty asterism Tú Sì 🐂
🌟 K2III red giant | 3.84 mag | 128 ly
☀️ 52× Sun’s luminosity
📍 Between Hercules’ hand & head
#Tusizuo #IAUStarNames #ChineseAsterism #WGSN #109Her