| 1057 Wanda | August 16, 1925 |
| 1058 Grubba | June 22, 1925 |
| 1709 Ukraina | August 16, 1925 |
Grigory Abramovich Shajn (Russian:Григорий Абрамович Шайн) (April 19, 1892 – August 4, 1956) was aSoviet/Russianastronomer. In modernEnglishtransliteration, hissurname would be given as Shayn, but his astronomical discoveries are credited under the name G. Shajn. Nonetheless, his last name is sometimes given as Schayn.[citation needed]
He earned a masters degree fromTomsk University in 1920.[1]
He was the husband ofPelageya Shajn (Пелагея Фёдоровна Шайн) née Sannikova (Санникова), who was also a Russian astronomer.
He worked onstellar spectroscopy and the physics of gaseousnebulas. Together withOtto Struve, he studied the rapid rotation of stars of youngspectral types and measured theradial velocities of stars. He discovered new gaseous nebulas and the anomalous abundance of13C in stellar atmospheres.
He became a member of the Soviet Academy of Sciences in 1939, and was also a member of various foreign societies such as theRoyal Astronomical Society. From 1945 to 1952 he was the director of theCrimean Astrophysical Observatory. In 1947, he was elected a Fellow of theAmerican Academy of Arts and Sciences and received an honorary doctorate from theUniversity of Copenhagen.
He also discovered a fewasteroids. He also co-discovered the non-periodiccometC/1925 F1 (Shajn-Comas Solá), also known as Comet 1925 VI or Comet 1925a. However, the periodic comet61P/Shajn–Schaldach was co-discovered by his wife rather than by him.[2]
The craterShayn on theMoon is named after him.[3] He and his wife were also honoured by the minor planet1648 Shajna.[4]
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