13 Monocerotis [SEP] constellation
13 Monocerotis
13 Monocerotis (13 Mon) is a class A0 Ib (white supergiant) star in the constellation Monoceros. Its apparent magnitude is 4.5 and it is approximately away.
13 Mon lies within the Monoceros OB1 stellar association, halfway between the Rosette Nebula and NGC 2264, at a distance of about 780 parsecs. It is surrounded by a small reflection nebula listed as Van den Bergh 81 (VdB 81).
13 Monocerotis has been used as a standard star for the A0 Ib spectral class.
created four distinct sectors: Radio, Television, Engineering and Finance, each of which had a chairman who reported directly to the Minister of Information.
After the 1973 war, both television production and transmission facilities were upgraded to color transmission under the SECAM system. The Egyptian broadcasting changed from SECAM to PAL in 1992.
History Transmission Hours.
The Egyptian television began with a six-hour-broadcasting channel; however the broadcasting hours changed to 13 hours/day. Later, in 1961, a second channel was launched