SAO 49986

SAO 49986

Starbox begin
name=SAO 49986 / SAO 49982cite web
title=Simbad Query Result | work=Simbad
url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%4092218&Name=HD%20197621
accessdate=October 13
accessyear=2007
] cite web
title=Simbad Query Result | work=Simbad
url=http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%4092217&Name=BD%2b44%20%203552
accessdate=October 13
accessyear=2007
]
Starbox observe
epoch=J2000.0
constell=Cygnus
ra=20h 43m 17.2228s / 20h 43m 13.8546s
dec=+44° 46' 03.442" / +44° 56' 21.532"
appmag_v=8.62 / 9.51
Starbox character
class= B9.5V / B8 | b-v=-0.08 / +0.04
u-b=-0.35 / -0.01|
Starbox astrometry
radial_v=-37
prop_mo_ra=3.00 / 3.50
prop_mo_dec=-3.70 / 1.90 |
Starbox catalog
names=SAO 49986, HD 197621, BD+44°3553, GSC 03178-01126, SAO 49982, BD+44°3552, GSC 03178-00859

SAO 49986 and SAO 49982 form a binary star system in the constellation Cygnus. 9th magnitude SAO 49986 is the brighter of the two, a bluish white dwarf star with a spectral type of B9.5V. 10th magnitude SAO 49982 is also a bluish white star, with a spectral type of B8. SAO 49986 possesses a surface temperature of about 11,000 kelvins, and is about the same size as our Sun, yet almost twice as hot, and much brighter. Both stars can be found within 30 arcminutes of the star Deneb. ["Autostar Suite Astronomer Edition". CD-ROM. Meade, April 2006.]

References


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