Albireo - beta Cygni (framoro)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 6 Cyg A) · 6 Cyg B · 6 bet01 Cyg · 6 bet02 Cyg · Albireo · The star Albireo (β1 Cyg · The star β2 Cyg

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Albireo - beta Cygni

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Albireo - beta Cygni

Albireo (or beta Cygni) is a beautiful binary system (actually triple) which represents the head of the constellation of Cygnus and is considered among the most beautiful in the firmament because it is made up of two stars of contrasting colour.
Albireo A is an orange giant with a mass calculated to be 5 times higher than that of the Sun and with an apparent magnitude of 3.1.
Albireo B is a blue star, with a mass calculated to be 3.3 times that of the Sun and an apparent magnitude of 5.1.
The distance of the couple from the Solar System is still uncertain. The Hypparcos mission would place Albireo A at 434 +/- 20 LY and Albireo B at 401 +/-13 LY from us. The Gaia mission, on the other hand, would place both between 330 and 390 LY from us.
Albireo A was in turn found to be a binary star, its companion Albireo C is very similar to Albireo B. It is about 40 AU from Albireo A and their orbital period is calculated to be about 215 years.
The Albireo A-Albireo B system is also considered a true binary system. The two stars, if considered roughly at the same distance from us, are about 650 billion kilometers apart and have an orbital period of several tens of thousands of years.

Original
Final
C

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Status	Advanced success
Started	...
Astrometry.net job	8791945
PixInsight job	NCD0AN11AH3HAEVB6QBGNXR9MZ3E5CU8
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h30m42s.922
RA (top/left)	19h31m28s.944
RA (top/right)	19h31m31s.797
RA (bottom/right)	19h29m57s.319
RA (bottom/left)	19h29m54s.228

Dec (center)	+27°56′43″.58
Dec (top/left)	+27°39′48″.42
Dec (top/right)	+28°13′16″.84
Dec (bottom/right)	+28°13′43″.41
Dec (bottom/left)	+27°40′10″.27

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Albireo - beta Cygni

Albireo - beta Cygni

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Albireo - beta Cygni

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