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phase: 3

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J/A+A/369/758

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Distance ρ
Position angle θ
Distance (x,y)
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J2000
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IAU/CDS nomenclature

Mirrors

	J/A+A/369/758	405		VRI photometry of BL Lac (1997-1999) (Fan+, 2001) ReadMe+ftp 2001A&A...369..758F Similar Catalogs Objects Post annotation
1.	J/A+A/369/758/table1		Optical measurements of BL Lacertae in 1997-1999 (369 rows) metaJ/A+A/369/758/table1

Simple Constraint List Of Constraints

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Column

Constraint

Explain (UCD)

recno

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

HJD

Heliocentric Julian date (time.epoch) (TIME_DATE)

Vmag

mag

⁽ⁿ⁾ V magnitude (phot.mag;em.opt.V) (PHOT_JHN_V)

e_Vmag

mag

⁽ⁿ⁾ rms uncertainty in Vmag (stat.error) (ERROR)

Rmag

mag

⁽ⁿ⁾ R magnitude (phot.mag;em.opt.R) (PHOT_JHN_R)

e_Rmag

mag

⁽ⁿ⁾ rms uncertainty in Rmag (stat.error) (ERROR)

Imag

mag

⁽ⁿ⁾ I magnitude (phot.mag;em.opt.I) (PHOT_JHN_I)

e_Imag

mag

⁽ⁿ⁾ rms uncertainty in Imag (stat.error) (ERROR)

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
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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