VizieR

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J/ApJS/268/54/fig1

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	J/ApJS/268/54	-1		Continuous opt. monitoring of BL Lac from 2009-2021 (Xu+, 2023) ReadMe+ftp 2023ApJS..268...54X Similar Catalogs Objects timeSerie Post annotation
1.	J/ApJS/268/54/fig1		Light curves of BL Lac from Weihai observatory of Shandong University [timeSerie] (Interactive plot) timeSerie (24899 rows) metaJ/ApJS/268/54/fig1

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recno

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

⁽ⁱ⁾ [2455128.9/2459206.0] Julian date (time.epoch) (TIME_DATE)

Band

(char)

Observational band (B, V, R or I) (meta.code;instr.filter) (INST_FILTER_CODE)

mag

[10.8/14.7] Apparent magnitude in Band after the galactic extinction correction (phot.mag) (PHOT_MAG_UNDEF)

e_mag

mag

[0.0007/0.05] Uncertainty in mag (stat.error;phot.mag) (ERROR)

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	Display UCD1+ UCD1

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

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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