March 28, 2026 at 10:32 PM
🌟 Why was WGSN created?
To standardize star names for science!
🔭 Faint stars: Named via public IAU campaigns
✨ Bright stars: Named from historic & indigenous asterisms
#WGSN #StarNames #IAU
To standardize star names for science!
🔭 Faint stars: Named via public IAU campaigns
✨ Bright stars: Named from historic & indigenous asterisms
#WGSN #StarNames #IAU
July 24, 2025 at 2:52 AM
🌟 Why was WGSN created?
To standardize star names for science!
🔭 Faint stars: Named via public IAU campaigns
✨ Bright stars: Named from historic & indigenous asterisms
#WGSN #StarNames #IAU
To standardize star names for science!
🔭 Faint stars: Named via public IAU campaigns
✨ Bright stars: Named from historic & indigenous asterisms
#WGSN #StarNames #IAU
🔺 Triangulum — Star Names
Alaybasān (β Tri) — Arab.
Deltoton — Greek.
Apdu (γ Tri) — Egyptian.
Mothallah (α Tri) — Arabic.
Triangulum unites Arab, Greek, and Egyptian sky traditions.
#Triangulum #StarNames
Alaybasān (β Tri) — Arab.
Deltoton — Greek.
Apdu (γ Tri) — Egyptian.
Mothallah (α Tri) — Arabic.
Triangulum unites Arab, Greek, and Egyptian sky traditions.
#Triangulum #StarNames
December 10, 2025 at 4:44 PM
🔺 Triangulum — Star Names
Alaybasān (β Tri) — Arab.
Deltoton — Greek.
Apdu (γ Tri) — Egyptian.
Mothallah (α Tri) — Arabic.
Triangulum unites Arab, Greek, and Egyptian sky traditions.
#Triangulum #StarNames
Alaybasān (β Tri) — Arab.
Deltoton — Greek.
Apdu (γ Tri) — Egyptian.
Mothallah (α Tri) — Arabic.
Triangulum unites Arab, Greek, and Egyptian sky traditions.
#Triangulum #StarNames
🔴 In 2025, the IAU WGSN approved 40 new official star names from global sky traditions, including Chinese, Arabic, Sámi, Indian, Egyptian, and classical Greek & Latin sources—celebrating humanity’s shared astronomical heritage.
#IAU #WGSN #StarNames #Astronomy
#IAU #WGSN #StarNames #Astronomy
January 3, 2026 at 4:54 AM
🔴 In 2025, the IAU WGSN approved 40 new official star names from global sky traditions, including Chinese, Arabic, Sámi, Indian, Egyptian, and classical Greek & Latin sources—celebrating humanity’s shared astronomical heritage.
#IAU #WGSN #StarNames #Astronomy
#IAU #WGSN #StarNames #Astronomy
🔴 In 2025, the IAU WGSN approved 40 new official star names from global sky traditions, including Chinese, Arabic, Sámi, Indian, Egyptian, and classical Greek & Latin sources—celebrating humanity’s shared astronomical heritage.
#IAU #WGSN #StarNames #Astronomy
#IAU #WGSN #StarNames #Astronomy
January 3, 2026 at 4:55 AM
🔴 In 2025, the IAU WGSN approved 40 new official star names from global sky traditions, including Chinese, Arabic, Sámi, Indian, Egyptian, and classical Greek & Latin sources—celebrating humanity’s shared astronomical heritage.
#IAU #WGSN #StarNames #Astronomy
#IAU #WGSN #StarNames #Astronomy
🌟 New in June 2025:
WGSN adopts star names from Chinese, Greek & Latin traditions — reviving ancient asterisms in Hercules & Triangulum.
✨ Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN #IAU #StarNames
WGSN adopts star names from Chinese, Greek & Latin traditions — reviving ancient asterisms in Hercules & Triangulum.
✨ Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN #IAU #StarNames
July 23, 2025 at 3:58 PM
🌟 New in June 2025:
WGSN adopts star names from Chinese, Greek & Latin traditions — reviving ancient asterisms in Hercules & Triangulum.
✨ Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN #IAU #StarNames
WGSN adopts star names from Chinese, Greek & Latin traditions — reviving ancient asterisms in Hercules & Triangulum.
✨ Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN #IAU #StarNames
🗂️ IAU Catalog of Star Names (CSN) = the official list of star names
✨ Includes:
• ASE (Indigenous names)
• NameExoWorlds
• WGSN-id (2025 SIMBAD-based)
🔗 exopla.net/star-names
Typography by sirwatson
#WGSN #StarNames #Astronomy #ASE #SIMBAD
✨ Includes:
• ASE (Indigenous names)
• NameExoWorlds
• WGSN-id (2025 SIMBAD-based)
🔗 exopla.net/star-names
Typography by sirwatson
#WGSN #StarNames #Astronomy #ASE #SIMBAD
July 23, 2025 at 2:42 PM
🗂️ IAU Catalog of Star Names (CSN) = the official list of star names
✨ Includes:
• ASE (Indigenous names)
• NameExoWorlds
• WGSN-id (2025 SIMBAD-based)
🔗 exopla.net/star-names
Typography by sirwatson
#WGSN #StarNames #Astronomy #ASE #SIMBAD
✨ Includes:
• ASE (Indigenous names)
• NameExoWorlds
• WGSN-id (2025 SIMBAD-based)
🔗 exopla.net/star-names
Typography by sirwatson
#WGSN #StarNames #Astronomy #ASE #SIMBAD
✨ IAU-WGSN Star Names 2025 ✨
In 2025, the IAU-WGSN adopted 40 new star names, up from 19 in 2024. These names reflect rich cultural roots—from Indigenous, Arabic, Chinese, and classical traditions. Mapped using Gaia DR2. 🌌
#IAU #WGSN #StarNames #Astronomy #GaiaDR2
In 2025, the IAU-WGSN adopted 40 new star names, up from 19 in 2024. These names reflect rich cultural roots—from Indigenous, Arabic, Chinese, and classical traditions. Mapped using Gaia DR2. 🌌
#IAU #WGSN #StarNames #Astronomy #GaiaDR2
January 3, 2026 at 2:09 PM
✨ IAU-WGSN Star Names 2025 ✨
In 2025, the IAU-WGSN adopted 40 new star names, up from 19 in 2024. These names reflect rich cultural roots—from Indigenous, Arabic, Chinese, and classical traditions. Mapped using Gaia DR2. 🌌
#IAU #WGSN #StarNames #Astronomy #GaiaDR2
In 2025, the IAU-WGSN adopted 40 new star names, up from 19 in 2024. These names reflect rich cultural roots—from Indigenous, Arabic, Chinese, and classical traditions. Mapped using Gaia DR2. 🌌
#IAU #WGSN #StarNames #Astronomy #GaiaDR2
🌟 IAU – May 2025
6 new official star names:
Paradys 🪶 αAps – Bird of Paradise
Honores 📜 7And – Honours
Alfarasalkamil 🐎 οAnd – Complete Horse
Udkadua 🌩 λAnd – Storm Demon
Rasalnaqa 🐪 ιAnd – Head of She-Camel
Kaffalmusalsala ⛓ κAnd – Hand of Chained Woman
#IAU #StarNames
6 new official star names:
Paradys 🪶 αAps – Bird of Paradise
Honores 📜 7And – Honours
Alfarasalkamil 🐎 οAnd – Complete Horse
Udkadua 🌩 λAnd – Storm Demon
Rasalnaqa 🐪 ιAnd – Head of She-Camel
Kaffalmusalsala ⛓ κAnd – Hand of Chained Woman
#IAU #StarNames
August 8, 2025 at 6:57 PM
🌟 IAU – May 2025
6 new official star names:
Paradys 🪶 αAps – Bird of Paradise
Honores 📜 7And – Honours
Alfarasalkamil 🐎 οAnd – Complete Horse
Udkadua 🌩 λAnd – Storm Demon
Rasalnaqa 🐪 ιAnd – Head of She-Camel
Kaffalmusalsala ⛓ κAnd – Hand of Chained Woman
#IAU #StarNames
6 new official star names:
Paradys 🪶 αAps – Bird of Paradise
Honores 📜 7And – Honours
Alfarasalkamil 🐎 οAnd – Complete Horse
Udkadua 🌩 λAnd – Storm Demon
Rasalnaqa 🐪 ιAnd – Head of She-Camel
Kaffalmusalsala ⛓ κAnd – Hand of Chained Woman
#IAU #StarNames
✨ WGSN 2025 report published!
IAU Working Group on Star Names report now in JAHH 28(4), 1026–1038.
New research on historical & Indigenous star names.
Thanks to Susanne M. Hoffmann & Jörg M. Determann and to the editorial team of JAHH.
🔗 doi.org/10.3724/SP.J...
#IAU #WGSN #StarNames
IAU Working Group on Star Names report now in JAHH 28(4), 1026–1038.
New research on historical & Indigenous star names.
Thanks to Susanne M. Hoffmann & Jörg M. Determann and to the editorial team of JAHH.
🔗 doi.org/10.3724/SP.J...
#IAU #WGSN #StarNames
February 25, 2026 at 8:32 PM
✨ WGSN 2025 report published!
IAU Working Group on Star Names report now in JAHH 28(4), 1026–1038.
New research on historical & Indigenous star names.
Thanks to Susanne M. Hoffmann & Jörg M. Determann and to the editorial team of JAHH.
🔗 doi.org/10.3724/SP.J...
#IAU #WGSN #StarNames
IAU Working Group on Star Names report now in JAHH 28(4), 1026–1038.
New research on historical & Indigenous star names.
Thanks to Susanne M. Hoffmann & Jörg M. Determann and to the editorial team of JAHH.
🔗 doi.org/10.3724/SP.J...
#IAU #WGSN #StarNames
🌟 New in August 2025:
WGSN adopts star names from Chinese & ancient Greek traditions — highlighting asterisms in Andromeda, Perseus, Cetus & Triangulum, from classical astronomy to early modern heritage.
Names now in the IAU Star Names Catalog 🔗 exopla.net/star-names
#WGSN #IAU #StarNames
WGSN adopts star names from Chinese & ancient Greek traditions — highlighting asterisms in Andromeda, Perseus, Cetus & Triangulum, from classical astronomy to early modern heritage.
Names now in the IAU Star Names Catalog 🔗 exopla.net/star-names
#WGSN #IAU #StarNames
September 11, 2025 at 4:43 AM
🌟 New in August 2025:
WGSN adopts star names from Chinese & ancient Greek traditions — highlighting asterisms in Andromeda, Perseus, Cetus & Triangulum, from classical astronomy to early modern heritage.
Names now in the IAU Star Names Catalog 🔗 exopla.net/star-names
#WGSN #IAU #StarNames
WGSN adopts star names from Chinese & ancient Greek traditions — highlighting asterisms in Andromeda, Perseus, Cetus & Triangulum, from classical astronomy to early modern heritage.
Names now in the IAU Star Names Catalog 🔗 exopla.net/star-names
#WGSN #IAU #StarNames
🔴 Juan Antonio Belmonte, member of #WGSN, presented “Astronomy and World Heritage: the Iberian Paradigm” at AHME-2 (Yerevan, 6–10 Oct 2025).
He showed how ancient Iberian sites — from Antequera Dolmens to Talayotic Menorca — reveal humanity’s timeless bond with the sky.
#IAU #StarNames
He showed how ancient Iberian sites — from Antequera Dolmens to Talayotic Menorca — reveal humanity’s timeless bond with the sky.
#IAU #StarNames
October 17, 2025 at 6:49 PM
🔴 Juan Antonio Belmonte, member of #WGSN, presented “Astronomy and World Heritage: the Iberian Paradigm” at AHME-2 (Yerevan, 6–10 Oct 2025).
He showed how ancient Iberian sites — from Antequera Dolmens to Talayotic Menorca — reveal humanity’s timeless bond with the sky.
#IAU #StarNames
He showed how ancient Iberian sites — from Antequera Dolmens to Talayotic Menorca — reveal humanity’s timeless bond with the sky.
#IAU #StarNames
🟡 Deltoton (Δελτωτόν) – Delta Trianguli
A G0V binary star, 35 ly away 🌟
Named after the Greek “Δ” — echoing Triangulum’s ancient symbolic form
☀️ Sunlike: 0.88 M☉, 0.87 L☉
🔁 Binary (10-day orbit)
✅ IAU-approved 2025
#StarNames #WGSN #Deltoton #GreekAsterism
A G0V binary star, 35 ly away 🌟
Named after the Greek “Δ” — echoing Triangulum’s ancient symbolic form
☀️ Sunlike: 0.88 M☉, 0.87 L☉
🔁 Binary (10-day orbit)
✅ IAU-approved 2025
#StarNames #WGSN #Deltoton #GreekAsterism
July 25, 2025 at 3:39 AM
🟡 Deltoton (Δελτωτόν) – Delta Trianguli
A G0V binary star, 35 ly away 🌟
Named after the Greek “Δ” — echoing Triangulum’s ancient symbolic form
☀️ Sunlike: 0.88 M☉, 0.87 L☉
🔁 Binary (10-day orbit)
✅ IAU-approved 2025
#StarNames #WGSN #Deltoton #GreekAsterism
A G0V binary star, 35 ly away 🌟
Named after the Greek “Δ” — echoing Triangulum’s ancient symbolic form
☀️ Sunlike: 0.88 M☉, 0.87 L☉
🔁 Binary (10-day orbit)
✅ IAU-approved 2025
#StarNames #WGSN #Deltoton #GreekAsterism
🟡 Honores (7 And) – HIP 114570
Latin for “honours” — from Bode’s Enlightenment-era constellation (1801) 📜
F1V main-sequence:
🌡️ 7,380 K | 1.6 M☉ | mag 4.52
📍 Left arm of Andromeda
✅ IAU-approved 2025
#WGSN #IAU #Honores #Andromeda #StarNames #CulturalAstronomy
Latin for “honours” — from Bode’s Enlightenment-era constellation (1801) 📜
F1V main-sequence:
🌡️ 7,380 K | 1.6 M☉ | mag 4.52
📍 Left arm of Andromeda
✅ IAU-approved 2025
#WGSN #IAU #Honores #Andromeda #StarNames #CulturalAstronomy
August 5, 2025 at 2:42 AM
🟡 Honores (7 And) – HIP 114570
Latin for “honours” — from Bode’s Enlightenment-era constellation (1801) 📜
F1V main-sequence:
🌡️ 7,380 K | 1.6 M☉ | mag 4.52
📍 Left arm of Andromeda
✅ IAU-approved 2025
#WGSN #IAU #Honores #Andromeda #StarNames #CulturalAstronomy
Latin for “honours” — from Bode’s Enlightenment-era constellation (1801) 📜
F1V main-sequence:
🌡️ 7,380 K | 1.6 M☉ | mag 4.52
📍 Left arm of Andromeda
✅ IAU-approved 2025
#WGSN #IAU #Honores #Andromeda #StarNames #CulturalAstronomy
α Tucanae gets the name 'Lang-Exster', preserving a 1603 Dutch-Malaysian naming: "Lang" (Local name for hornbill) meets "Exster" (Dutch for magpie), marking a unique cultural exchange. #IAU #starnames #WGSN
December 19, 2024 at 7:49 AM
α Tucanae gets the name 'Lang-Exster', preserving a 1603 Dutch-Malaysian naming: "Lang" (Local name for hornbill) meets "Exster" (Dutch for magpie), marking a unique cultural exchange. #IAU #starnames #WGSN
🟠 Udkadua (λ And) – HIP 116584
Sumerian for “Storm Demon with the Gaping Mouth” ⚡ — from a 3,000-year-old Babylonian timekeeping asterism 📜
G8IVK yellow-orange subgiant:
🌡️ 4,633 K | 1.47 M☉ | mag 3.82
📍 Hand of Andromeda, near Cassiopeia
✅ IAU-approved 2025
#WGSN #IAU #Udkadua #Andromeda #StarNames
Sumerian for “Storm Demon with the Gaping Mouth” ⚡ — from a 3,000-year-old Babylonian timekeeping asterism 📜
G8IVK yellow-orange subgiant:
🌡️ 4,633 K | 1.47 M☉ | mag 3.82
📍 Hand of Andromeda, near Cassiopeia
✅ IAU-approved 2025
#WGSN #IAU #Udkadua #Andromeda #StarNames
August 8, 2025 at 4:57 AM
🟠 Udkadua (λ And) – HIP 116584
Sumerian for “Storm Demon with the Gaping Mouth” ⚡ — from a 3,000-year-old Babylonian timekeeping asterism 📜
G8IVK yellow-orange subgiant:
🌡️ 4,633 K | 1.47 M☉ | mag 3.82
📍 Hand of Andromeda, near Cassiopeia
✅ IAU-approved 2025
#WGSN #IAU #Udkadua #Andromeda #StarNames
Sumerian for “Storm Demon with the Gaping Mouth” ⚡ — from a 3,000-year-old Babylonian timekeeping asterism 📜
G8IVK yellow-orange subgiant:
🌡️ 4,633 K | 1.47 M☉ | mag 3.82
📍 Hand of Andromeda, near Cassiopeia
✅ IAU-approved 2025
#WGSN #IAU #Udkadua #Andromeda #StarNames
🔵 Kaffalmusalsala (κ And) – HIP 116805
Arabic for “Hand of the Chained Woman” 🤲 — traditional Andromeda star from Almagest 🌌
B9IVn blue-white subgiant:
🌡️ 10,342 K | 2.7 M☉ | mag 4.14
💫 Directly imaged exoplanet host; possible Beta Pic group member
✅ IAU-approved 2025
#WGSN #IAU #StarNames
Arabic for “Hand of the Chained Woman” 🤲 — traditional Andromeda star from Almagest 🌌
B9IVn blue-white subgiant:
🌡️ 10,342 K | 2.7 M☉ | mag 4.14
💫 Directly imaged exoplanet host; possible Beta Pic group member
✅ IAU-approved 2025
#WGSN #IAU #StarNames
August 8, 2025 at 1:41 PM
🔵 Kaffalmusalsala (κ And) – HIP 116805
Arabic for “Hand of the Chained Woman” 🤲 — traditional Andromeda star from Almagest 🌌
B9IVn blue-white subgiant:
🌡️ 10,342 K | 2.7 M☉ | mag 4.14
💫 Directly imaged exoplanet host; possible Beta Pic group member
✅ IAU-approved 2025
#WGSN #IAU #StarNames
Arabic for “Hand of the Chained Woman” 🤲 — traditional Andromeda star from Almagest 🌌
B9IVn blue-white subgiant:
🌡️ 10,342 K | 2.7 M☉ | mag 4.14
💫 Directly imaged exoplanet host; possible Beta Pic group member
✅ IAU-approved 2025
#WGSN #IAU #StarNames
ζ Centauri is named 'Leepwal', preserving Marshallese tradition as the third son of Lōktañūr (Capella) in a story of brothers racing canoes for chieftainship. #IAU #starnames #WGSN
December 19, 2024 at 3:01 PM
ζ Centauri is named 'Leepwal', preserving Marshallese tradition as the third son of Lōktañūr (Capella) in a story of brothers racing canoes for chieftainship. #IAU #starnames #WGSN
🔵 Ramus – 102 Her
Named from Latin "branch" (Ramus Pomifer), in Hercules 🌿
Young, hot B2 IV star:
🌡️ 22,420 K | 🌟 3,600× Sun | ⚖️ 9.7 M☉
📍 1523 ly away, near the hero’s shoulder
Visible to the naked eye (mag 4.37)
#StarNames #WGSN #Ramus #Hercules #IAU
Named from Latin "branch" (Ramus Pomifer), in Hercules 🌿
Young, hot B2 IV star:
🌡️ 22,420 K | 🌟 3,600× Sun | ⚖️ 9.7 M☉
📍 1523 ly away, near the hero’s shoulder
Visible to the naked eye (mag 4.37)
#StarNames #WGSN #Ramus #Hercules #IAU
July 26, 2025 at 3:43 PM
🔵 Ramus – 102 Her
Named from Latin "branch" (Ramus Pomifer), in Hercules 🌿
Young, hot B2 IV star:
🌡️ 22,420 K | 🌟 3,600× Sun | ⚖️ 9.7 M☉
📍 1523 ly away, near the hero’s shoulder
Visible to the naked eye (mag 4.37)
#StarNames #WGSN #Ramus #Hercules #IAU
Named from Latin "branch" (Ramus Pomifer), in Hercules 🌿
Young, hot B2 IV star:
🌡️ 22,420 K | 🌟 3,600× Sun | ⚖️ 9.7 M☉
📍 1523 ly away, near the hero’s shoulder
Visible to the naked eye (mag 4.37)
#StarNames #WGSN #Ramus #Hercules #IAU
Did you know stars have official names beyond scientific ones? The IAU Working Group on Star Names has added 19 new names, preserving our astronomical heritage. Total now: 491. #Astronomy #IAU #starnames #WGSN
December 16, 2024 at 6:11 AM
Did you know stars have official names beyond scientific ones? The IAU Working Group on Star Names has added 19 new names, preserving our astronomical heritage. Total now: 491. #Astronomy #IAU #starnames #WGSN
Tau Aquilae is now 'Tianfu' (天桴), meaning 'celestial drumstick', near the Drum at Altair in the Milky Way. This ancient Chinese asterism predates the Tang Dynasty and was one of four original stars. #IAU #starnames #WGSN
December 28, 2024 at 5:53 AM
Tau Aquilae is now 'Tianfu' (天桴), meaning 'celestial drumstick', near the Drum at Altair in the Milky Way. This ancient Chinese asterism predates the Tang Dynasty and was one of four original stars. #IAU #starnames #WGSN
🌟 New in May 2025:
WGSN adopts star names from Dutch, Latin, Arabic & Sumerian traditions — reviving asterisms in Apus & Andromeda, from ancient skies to early modern charts.
Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN
#IAU
#StarNames
#Apus
#Andromeda
#SkyHeritage
WGSN adopts star names from Dutch, Latin, Arabic & Sumerian traditions — reviving asterisms in Apus & Andromeda, from ancient skies to early modern charts.
Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN
#IAU
#StarNames
#Apus
#Andromeda
#SkyHeritage
August 3, 2025 at 9:06 PM
🌟 New in May 2025:
WGSN adopts star names from Dutch, Latin, Arabic & Sumerian traditions — reviving asterisms in Apus & Andromeda, from ancient skies to early modern charts.
Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN
#IAU
#StarNames
#Apus
#Andromeda
#SkyHeritage
WGSN adopts star names from Dutch, Latin, Arabic & Sumerian traditions — reviving asterisms in Apus & Andromeda, from ancient skies to early modern charts.
Names now in the IAU Star Names Catalog
🔗 exopla.net/star-names
#WGSN
#IAU
#StarNames
#Apus
#Andromeda
#SkyHeritage
α Mensae is now officially called 'Hoerikwaggo', preserving the San/Khoe people's name for Table Mountain (Huriǂoaxa, The Sea-Emerging (Mountain)). This name connects the terrestrial landmark to its celestial counterpart. #IAU #starnames #WGSN
December 18, 2024 at 5:56 AM
α Mensae is now officially called 'Hoerikwaggo', preserving the San/Khoe people's name for Table Mountain (Huriǂoaxa, The Sea-Emerging (Mountain)). This name connects the terrestrial landmark to its celestial counterpart. #IAU #starnames #WGSN
α Lupi (HIP 71860) is now officially 'Uridim', preserving the ancient Sumerian term UR.IDIM, The Mad or Rabid Dog. This name reveals that the Wolf constellation was one of the few ancient Greek constellations directly inherited from Babylonian astronomy. #IAU #starnames #WGSN
January 3, 2025 at 7:09 AM
α Lupi (HIP 71860) is now officially 'Uridim', preserving the ancient Sumerian term UR.IDIM, The Mad or Rabid Dog. This name reveals that the Wolf constellation was one of the few ancient Greek constellations directly inherited from Babylonian astronomy. #IAU #starnames #WGSN