AGN Reference Fields

IC 5287

Finding chart and validated comparison-star sequence for optical differential photometry.

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IC 5287

2MIG 3128
3 comparison stars
AGN is labelled “AGN”; comparison stars are labelled 1, 2, 3… to match the table. Click a marker for details.
Target (J2000) 23:09:20.28   +00:45:23.0
Degrees 347.334500, 0.756389
Instrument IAC80 / CAMELOT2
Filter / aperture V · 9 px = 2.90″

One 3.0 h sequence on 2025 June 30/July 1; 90 s exposures; 101 frames retained.

Reference-star use. Comparison star 1 was adopted as the primary statistical reference. The variability classification was unchanged when stars 2 or 3 were used instead.
Validation. Three local comparison stars from APASS DR9 were used. Leave-one-out stability tests were applied, and the adopted aperture minimized seeing dependence.

Static finding chart

The AGN is marked by the green cross. Comparison stars are marked by red circles and numbered to match the reference-star table below.

Static finding chart for IC 5287 with numbered comparison stars

Comparison-star sequence

ID RA (deg) Dec (deg) V σV Catalogue
1 347.296561 0.724682 15.319 0.079 APASS DR9
2 347.278866 0.755341 15.371 0.071 APASS DR9
3 347.266787 0.734029 15.007 0.051 APASS DR9

Observing log

Night Exposure Duration Frames
2025-06-30/07-01 90 s 3.00 h 101 used / 102 acquired
Source: Izviekova et al. (2026, manuscript) — The 2MIG isolated AGNs – 5. Hot-dust reverberation and spectroscopic constraints on BLR–dust scales in IC 5287 and Mrk 845
Public article link will be added after release.

Search terms and reuse

This page provides interactive and static IC 5287 finding charts, local comparison stars, reference-star coordinates, APASS DR9 multiband catalogue photometry, and IAC80/CAMELOT2 observing information. Coordinates are J2000. For reproducible photometry, consult the cited study for reduction and quality-control details.