VizieR

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phase: 3

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J/AJ/157/95/table1

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

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	J/AJ/157/95	236		Optical variability of OJ 287 in 2016-2017 (Gupta+, 2019) ReadMe+ftp 2019AJ....157...95G Similar Catalogs Objects Post annotation
1.	J/AJ/157/95/table1		Observation log of optical photometric observations of the blazar OJ 287 (247 rows) metaJ/AJ/157/95/table1

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)

Date

"Y:M:D"

⁽ⁿ⁾Date of the observation (time.epoch) (TIME_DATE)

Tel

(char)

Telescope code (Note 1) (meta.code;instr.tel) (TEL_ID)

o_Bmag

[0/8] Number of B band observations (meta.number) (NUMBER)

o_Vmag

[0/72] Number of V band observations (meta.number) (NUMBER)

o_Rmag

[0/74] Number of R band observations (meta.number) (NUMBER)

o_Imag

[0/74] Number of I band observations (meta.number) (NUMBER)

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⁽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