✦ LIBER ✦

The Spectrum of BD +30 Degrees 3639

✍ Scribed by P. Swings and O. Struve

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Spectrum of the planetary nebula BD+30°3

✍ R. I. Noskova 📂 Article 📅 1977 🏛 Springer 🌐 English ⚖ 482 KB

Hydrogen envelope of the star BD. +30°.3

✍ W. W. Cambell 📂 Article 📅 1894 🏛 John Wiley and Sons 🌐 English ⚖ 98 KB

The kinematics of the planetary nebula B

✍ Myfanwy Bryce; Garrelt Mellema 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 203 KB

The Ring Nebula B. D. +30° 3639

✍ Francis G. Pease 📂 Article 📅 1919 🏛 University of Chicago Press 🌐 English ⚖ 428 KB

New kinematic distances of NGC 7009 and

✍ W. J. Maciel 📂 Article 📅 1995 🏛 Springer Netherlands 🌐 English ⚖ 593 KB

HYDROGEN ENVELOPE OF THE STAR DM. + 30°,

✍ W. W. Campbell 📂 Article 📅 1893 🏛 University of Chicago Press 🌐 English ⚖ 216 KB