LRD Watch DR1 · candidate
LRDW J221449.00-135710.5
Images









3.2″ across, north up, east left, resampled from the deepest mosaic covering the object in each band; ticks mark the catalogue position. Each band is stretched on its own noise; the composite shares one flux scale, so its colour is real.
Spectral energy distribution
- NIRCam wide
- NIRCam medium
- 2σ upper limit (S/N < 2)
At a glance
- Tier
- SILVER main class
- Found by
- BH* channel + colour lane
- Redshift
- 4.99 colour-lane fit
- Spectral shape
- no labelled spectrum
- F444W
- 25.58 AB S/N 60, 0.16″ aperture
- F277W − F444W
- 0.91 mag inclusive redness
- BH* share
- 0.82 bhs_bb4800_b4; Δχ² galaxy 8.6, dwarf 68.6
- Compactness
- growth ratio 1.733 stars 2.352
- Balmer break
- 1.96 ± 0.34 F277W/F210M, red:Hb+OIII
- Image vetting
- half-stack pass; no flags raised
- Literature
- no published match within 1″
Vetting
- Image vettingpassed
- Half-stack testpass
- Artifact risknone
- Neighbournone
- Extendedno
- BH* channelevidence dchi2_gal=8.6 dchi2_bd=68.6
Redshifts
Each redshift keeps its own column. Photometric redshifts of little red dots are unreliable: against spectra, about a third of AGN-template redshifts (z_agn; 31 of 95 in the last purity run) and about half of galaxy-template redshifts at z > 3 were catastrophic outliers (methods Section 8).
| Column | What it is | z | Source |
|---|---|---|---|
z_spec | Spectroscopic, DJA grade 3 | — | — |
z_vet | Adopted by vetting | 4.9900 | z_agn |
z_phot | Photometric (P(z) peak) | — | not fitted |
z_bhs | BH* channel fit | 5.227 | bhs_bb4800_b4 |
z_agn | Colour-lane fit | 4.99 | AGN-inclusive templates |
Spectral checks
- V-shape (spectrum)
- no labelled spectrum
- Star (spectrum)
- no spectrum
- V-shape (photometry)
- fails βUV −2.67, βopt −0.84 at z_agn
- Line in F410M
- Ha 0 line-free optical band(s)
- Line-ambiguous
- yes
- Settling verdict
- no extraction
Literature
Published objects within 1″ of this position. A match is a positional recovery, not an adopted classification.
- No published JWST little red dot or broad-line AGN within 1″.
Photometry
Circular aperture of radius 0.16″ at each band's native resolution, background from a 0.40–0.65″ annulus, programmes combined by inverse variance. For a point source multiply by the field's aperture correction (r = 0.16″ → 0.70″). Grey rows are below S/N 2.
| Band | Instrument | Pivot (µm) | f (nJy) | σ (nJy) | AB mag | S/N | Ap. corr. |
|---|---|---|---|---|---|---|---|
| F090W | NIRCam wide | 0.902 | 53.21 | 6.31 | 27.09 | 8.4 | 1.17 |
| F115W | NIRCam wide | 1.154 | 32.80 | 7.24 | 27.61 | 4.5 | 1.13 |
| F150W | NIRCam wide | 1.501 | 37.57 | 7.86 | 27.46 | 4.8 | 1.11 |
| F200W | NIRCam wide | 1.989 | 27.00 | 6.35 | 27.82 | 4.2 | 1.09 |
| F210M | NIRCam medium | 2.095 | 46.96 | 7.83 | 27.22 | 6.0 | 1.09 |
| F277W | NIRCam wide | 2.762 | 92.03 | 4.08 | 26.49 | 22.6 | 1.18 |
| F300M | NIRCam medium | 2.990 | 134.79 | 5.06 | 26.08 | 26.6 | 1.21 |
| F356W | NIRCam wide | 3.568 | 131.56 | 3.76 | 26.10 | 35.0 | 1.22 |
| F410M | NIRCam medium | 4.082 | 345.11 | 5.73 | 25.05 | 60.2 | 1.25 |
| F444W | NIRCam wide | 4.404 | 212.95 | 3.53 | 25.58 | 60.3 | 1.27 |
Provenance
- Field
- MACS J2214.9-1359 (
macsj2214) - Programmes
06882behind every mosaic the field measured- Pipeline rows merged
- 3 all at one position
- Detection pass
- original
- Release build
33af9933d1cc2026-10-17T14:29:44Z
Image sources
| Band | Mosaic | Native pixel | Coverage |
|---|---|---|---|
| F090W | jw06882-o044_t048_nircam_clear-f090w_i2d.fits | 0.031″ | 1.00 |
| F115W | jw06882-o044_t048_nircam_clear-f115w_i2d.fits | 0.031″ | 1.00 |
| F150W | jw06882-o044_t048_nircam_clear-f150w_i2d.fits | 0.031″ | 1.00 |
| F200W | jw06882-o044_t048_nircam_clear-f200w_i2d.fits | 0.031″ | 1.00 |
| F277W | jw06882-o044_t048_nircam_clear-f277w_i2d.fits | 0.063″ | 1.00 |
| F356W | jw06882-o044_t048_nircam_clear-f356w_i2d.fits | 0.063″ | 1.00 |
| F410M | jw06882-o044_t048_nircam_clear-f410m_i2d.fits | 0.063″ | 1.00 |
| F444W | jw06882-o044_t048_nircam_clear-f444w_i2d.fits | 0.063″ | 1.00 |
Cite
Anderson, Jordan (2026). LRD Watch DR1: little red dot candidates from an independent search of public JWST imaging (Version DR1) [Data set]. Cerin Amroth Research. Zenodo. https://doi.org/10.5281/zenodo.23062632 Object LRDW J221449.00-135710.5.
CC BY 4.0. Please also acknowledge the JWST programmes that took the data. LRD Watch DR1 is a vetted candidate catalogue, not a complete census: it has no selection function and cannot on its own give number densities. About the release.