ET.SKY-MAP

HD 8394

תוכן

תמונות
מאמרים קשורים
לינקים קשורים
קבוצות

תמונות

הוסף תמונה שלך

DSS Images Other Images

מאמרים קשורים

Ca II H and K Filter Photometry on the UVBY System. II. The Catalog of Observations Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1995AJ....109.2828T&db_key=AST
New proper motion determination of Luyten catalogue stars (LTT) south of declination -40 degrees and right ascension between 00 H and 04 H 30 M Data are given for 104 LTT stars found on 11 areas, covering 25 squaresdegrees each, south of declination -40 degrees and right ascensionbetween 00 h and 04 h 30 m. Three stars present differences in propermotion greater than 0.10 arcsec, six present differences in positionangle greater than 20 degrees and one presents those differences in bothvalues.
Four-color UVBY and H-beta photometry of high-velocity and metal-poor stars. I - The catalogue of observations A catalog of four-color uvby and H-beta photometry for 711 high-velocityand metal-poor stars is given. The selection of the stars and theobserving and reduction techniques used to obtain these data arediscussed. The photometry has been transformed closely onto the standarduvby-beta system. The errors of the data have been estimated using bothinternal and external comparisons. The data are uniform over the sky;that is, there are no significant north-south differences. For the largemajority of stars the mean errors of V, m1, c1, and beta are less than +or - 0.008 mag, and the error of b-y is less than + or - 0.005 mag.Values of V, b-y and beta and rough photometric classifications aregiven for 63 red and/or evolved stars that fall outside the range of thephotometric transformations.
Optical polarization of stars of galactic latitudes b-45 degres. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976A&AS...23..125S&db_key=AST

הכנס מאמר חדש

לינקים קשורים

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משמש של הקבוצה הבאה

תצפית ומידע אסטרומטרי

קבוצת-כוכבים:	טוקאן
התרוממות ימנית:	01^h21^m57.28^s
סירוב:	-57Â°58'37.2"
גודל גלוי:	9.759
תנועה נכונה:	260.9
תנועה נכונה:	289.6
B-T magnitude:	10.811
V-T magnitude:	9.846

קטלוגים וכינוים:

שם עצם פרטי
HD 1989	HD 8394
TYCHO-2 2000	TYC 8480-346-1
USNO-A2.0	USNO-A2 0300-00410414
HIP	HIP 6375

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