Klaus Jäger (he/him) Add us as a preferred source on Google
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Make a deal with Klaus Jäger (he/him)
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Followers
354
Account age
3 yrs
💰 Suggested sponsorship rate
$40 – $65 / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Klaus Jäger (he/him)
Known for
6 views
🖤
6 views
Heute ist in #Berlin die Lange Nacht der Wissenschaften. Ich halte zweimal den Vortrag
“Sonnige Aussichten: Mit erneuerbaren Energien zu Null Emissionen.”
1️⃣ 17:30, Zuse Institut Berlin, Berlin-Dahlem. https://www.zib.de/de/lndw/sonnige-aussichten-mit-erneuerbaren-energien-zu-null-emissionen
2️⃣ 22:00, Helmholtz-Zentrum Berlin, BESSY, Berlin-Adlershof. https://www.langenachtderwissenschaften.de/p
4 views
I made a walk in #Princeton, New Jersey, tonight. First, I only saw a greenish hue above the horizon, but suddenly magnificent pink #NorthernLights appeared.
3 views
☀️CALL FOR PAPERS ☀️
💡 Solar, Lighting and Thermal Photonics (SOLITH) Topical Meeting at the Optica Advanced Photonics Congress
🏙️ Marseille, France
📅 July 13-17, 2025
🎯 Abstract submission deadline: Tuesday, 11 March 2025.
Submit your abstract here: https://www.optica.org/events/congress/advanced_photonics_congress/submit_papers
Topic categories include:
🔹Solar Energy Categories
🔹Lighting Cat
📊 Post engagement
Recent posts · likes + reposts
Jun 9latest
4
Avg engagement / post
2–6
Typical post (engagement)
1.1%
Engagement vs followers
77/100
Very consistent reach
Nov 2022
On Mastodon since
Half of recent posts land between 2 and 6 likes + reposts (median 3) — a dependable floor a sponsored post can count on.
🔥 Top post: I’m thrilled to share with you that I joined Princeton Universit · 8 likes + reposts
📊 Activity & format
Posting cadence
0.11 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly text
Recent: 6 text · 5 image · 1 video.
Follower / following
1.5×
Follows 243 back. A more reciprocal / networked account.
Recent posts
View on Mastodon ↗
🖤
https://www.berlin.de/polizei/polizeimeldungen/2026/pressemitteilung.1697457.php
RE: https://helmholtz.social/@HZBSolarOptics/116714819343573869
Would you like to join us in Berlin as a PhD student working on the crossroads of #AI and #SolarEnergy? Then apply until 24 June 2026!
Mit dem #Forschungsquartett konnte ich eine Podcast-Folge zum Potenzial und aktuellen Stand der #Solarenergie ☀️ gestalten.
🎧 Jetzt reinhören: https://detektor.fm/wissen/forschungsquartett-solarenergie
#Energie #Innovation #Nachhaltigkeit…
📅 DEADLINE APPROACHING (11 March 2025)📅
💡 Solar, Lighting and Thermal Photonics (SOLITH) Topical Meeting at the Optica Advanced Photonics Congress
🏙️ Marseille, France
📅 July 13-17, 2025.
https://fediscience.org/@solartube/1139644322434848…
☀️CALL FOR PAPERS ☀️
💡 Solar, Lighting and Thermal Photonics (SOLITH) Topical Meeting at the Optica Advanced Photonics Congress
🏙️ Marseille, France
📅 July 13-17, 2025
🎯 Abstract submission deadline: Tuesday, 11 March 2025.
Submit your a…
I made a walk in #Princeton, New Jersey, tonight. First, I only saw a greenish hue above the horizon, but suddenly magnificent pink #NorthernLights appeared.
In Germany, ... they are eating the racoons! https://www.mdr.de/nachrichten/sachsen-anhalt/magdeburg/jerichow/fleischer-jagd-waschbaer-buletten-100.html
Heute ist in #Berlin die Lange Nacht der Wissenschaften. Ich halte zweimal den Vortrag
“Sonnige Aussichten: Mit erneuerbaren Energien zu Null Emissionen.”
1️⃣ 17:30, Zuse Institut Berlin, Berlin-Dahlem. https://www.zib.de/de/lndw/sonnige-a…
▶
@klima@helmholtz.social @terliwetter
Schweres #Unwetter mit #Hagel in Scheffau am Wilden Kaiser, #Tirol. #Klimakrise @klima@helmholtz.social @terliwetter
🐘 Community & instance
Home server
fediscience.org
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
Nov 2022
Joined in the Twitter-exodus wave of late 2022 — part of the migration that made Mastodon a real destination.
💡 Facts
🗓️Joined Mastodon in 2022 — 3 years ago.
👁️Averages 4 views per post.
📤Posts about 0.1× per week.
📍Based in Austria.
🕵️ Fake follower check
Estimated43/100
Fair
Credibility score
73%
Mixed
Real audience
Medium
Fake-follower risk
High
Data confidence
- Est. 73% real, active audience · Medium fake-follower risk.
- Low engagement (~1.1% of followers engage each post) — a sign of an inflated or inactive audience.
- Established account (3+ years old).
Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.
About
#Physics; #solar ☀️ #energy at Helmholtz-Zentrum Berlin. Originally from Tirol, Austria 🇦🇹🇪🇺. Fighting the #ClimateCrisis. Views are my own 🏳️🌈 (he/his). 📸 M. Setzpfandt
📸 Gallery
🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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10%
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Klaus Jäger (he/him) has 354 followers on Mastodon.
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