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phase: 3

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J/A+A/445/441

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Distance ρ
Position angle θ
Distance (x,y)
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J2000
B1950
Ecl. J2000

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Simple Target List Of Targets Fast Xmatch with large catalogs or Simbad

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size

	J/A+A/445/441	4911		SED of BL Lacertae objects (Nieppola+, 2006) ReadMe+ftp 2006A&A...445..441N Similar Catalogs Post annotation
1.	J/A+A/445/441/table3		The Metsahovi BL Lac sample (398 rows) metaJ/A+A/445/441/table3

Simple Constraint List Of Constraints

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Constraint

Explain (UCD)

recno

Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

Name

(char)

Name (meta.id;meta.main) (ID_MAIN)

RAJ2000

"h:m:s"

⁽ⁱ⁾ Right ascension (J2000) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)

DEJ2000

"d:m:s"

⁽ⁱ⁾ Declination (J2000) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)

logFpeak

[Hz]

⁽ⁿ⁾ Synchrotron peak frequency (em.freq;stat.max) (OBS_FREQUENCY)

Class

(char)

BL Lac classification (Note 1) (src.class) (CLASS_OBJECT)

Simbad

ask the Simbad data-base about this object (DATA_LINK)

NED

ask the NED data-base about this object (DATA_LINK)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

⁽ⁱ⁾indexed column

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	Display UCD1+ UCD1

https://cdsannotations.u-strasbg.fr/annotations/vizierTable//

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→ Cite/acknowledge VizieR catalogue
→ Rules of usage of VizieR data

Contact - Legals

If the access to catalogues with VizieR was helpful for your research work,the following acknowledgment would be appreciated: This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier). The original description of the VizieR service was published in A&AS 143, 23