HD 172397

Contenidos

H-beta photometry of northern intermediate galactic latitude early-type stars and galactic structure away from the plane
Photoelectric H-beta photometry is presented for 255 early-type stars atintermediate galactic latitudes. Absolute magnitudes and distances arederived for the more luminous stars. Those with visual magnitudes lessthan or equal to 2.5 and at distances of up to 1 kpc from the galacticplane may follow the spiral structure in the plane.

UBV photometry and MK spectral classification of northern early-type stars at intermediate galactic latitudes
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1977MNRAS.180..691H&db_key=AST

Constelación:	Hércules
Ascensión Recta:	18^h39^m14.87^s
Declinación:	+20Â°29'51.3"
Magnitud Aparente:	7.665
Distancia:	287.356 parsecs
Movimiento Propio en Ascensión Recta:	-0.4
Movimiento Propio en Declinación:	-7.7
B-T magnitude:	7.643
V-T magnitude:	7.664

Catálogos y designaciones:

Nombres Propios	(Edit)
HD 1989	HD 172397
TYCHO-2 2000	TYC 1578-649-1
USNO-A2.0	USNO-A2 1050-11186994
HIP	HIP 91462

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