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TYC 3016-519-1

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Lists of photometric AM candidates The Geneva photometric m parameter (Nicolet and Cramer, 1982) is used inorder to select Am photometric candidates from the Rufener (1981)catalogue. Two lists are given, the first containing field stars and thesecond cluster stars. According to the photometric criteria thediffusion process probably responsible for the Am phenomenon takes placerather quickly as Am candidates are present in young clusters. It isconfirmed that the phenomenon is enhanced by low rotational velocity andhigh metallicity. The age seems to slightly affect the Am phenomenon.
Photoelectric UBV observations made on the Palomar 20-inch telescope Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1973MNRAS.164..133P&db_key=AST
Mean absolute magnitude of the blue stars at high galactic latitude. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1962AJ.....67..740K&db_key=AST
A finding-list of stars of spectral type F2 and earlier in a north galactic pole region. Not Available
A search for blue stars in high galactic latitudes. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1958AJ.....63..484C&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Orsa Maggiore
Ascensione retta:	11^h53^m11.68^s
Declinazione:	+42Â°29'18.3"
Magnitudine apparente:	9.824
Moto proprio RA:	-9.8
Moto proprio Dec:	-0.9
B-T magnitude:	10.111
V-T magnitude:	9.848

Cataloghi e designazioni:

Nomi esatti	(Edit)
TYCHO-2 2000	TYC 3016-519-1
USNO-A2.0	USNO-A2 1275-07994617
HIP	HIP 57954

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