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DM-56549: DP2 NB: initial flags-related tutorial(s) for Object #233

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Merged
plazas merged 9 commits into from
Oct 28, 2026
Merged

DM-56549: DP2 NB: initial flags-related tutorial(s) for Object #233

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b526ef9
Add flags series
plazas Oct 19, 2026
8e0fbb5
Update flags notebook Object
plazas Oct 22, 2026
747e694
Run pre-commit
plazas Oct 23, 2026
9ae9357
Update Object Table Nb tutorial
plazas Oct 23, 2026
b90f5b9
Simplify
plazas Oct 26, 2026
5a5d53d
Update
plazas Oct 26, 2026
705812c
Update object table tutorial
plazas Oct 26, 2026
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Comments by Jeff
plazas Oct 28, 2026
13149f0
Update tutorials
plazas Oct 28, 2026
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13 changes: 8 additions & 5 deletions DP2/200_Data_products/201_Catalogs/201_01_Object_table.ipynb
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Expand Up @@ -24,7 +24,7 @@
"Data Release: [Data Preview 2](https://dp2.lsst.io)\\\n",

@jeffcarlin jeffcarlin Oct 27, 2026 •
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"poitn" --> "point"


Reply via ReviewNB

"Container Size: Large\\\n",
"LSST Science Pipelines version: r30.0.11\\\n",
"Last verified to run: 2026-10-23\\\n",
"Last verified to run: 2026-10-28\\\n",
"Repository: [github.com/lsst/tutorial-notebooks](https://github.com/lsst/tutorial-notebooks)\\\n",
"DOI: [10.11578/rubin/dc.20250909.20](https://doi.org/10.11578/rubin/dc.20250909.20)"
]
Expand Down Expand Up @@ -76,7 +76,7 @@
"source": [
"### 1.1. Import packages\n",
"\n",
"Import standard python packages `re`, `numpy`, `matplotlib`, and `astropy`.\n",
"Import standard python packages `numpy`, `matplotlib`, and `astropy`.\n",
"\n",
"From the `lsst` package, import modules for the TAP service and the Butler.\n",
"Also import the `lsdb` package to read an LSDB-formatted version of the `Object` table."
Expand All @@ -89,7 +89,6 @@
"metadata": {},
"outputs": [],
"source": [
"import re\n",
"import numpy as np\n",
"import matplotlib.pyplot as plt\n",
"from upath import UPath\n",
Expand Down Expand Up @@ -690,7 +689,10 @@
"The query is for objects that\n",
"are within 0.1 degrees of the ECDFS field center,\n",
"are not extended (are point-like), and \n",
"have an apparent magnitude $20 < r < 25$ mag."
"have an apparent magnitude $20 < r < 25$ mag.\n",
"\n",
"The sections below use `refExtendedness`, but DP2 has additional columns to differentiate extended and point sources: `{band}_model_extendedness` and `griz_model_extendedness`.\n",
"See the [catalog flag columns](https://dp2.lsst.io/products/flags/) pages on dp2.lsst.io for the flag definitions and for use examples."
]
},
{
Expand Down Expand Up @@ -926,7 +928,8 @@
"metadata": {},
"source": [
"Constrain the results to non-extended objects with r-band magnitudes\n",
"between 20 and 25 mag."
"between 20 and 25 mag.\n",
"The caveats on extendedness and on flag cuts in Section 3.2.2 apply here too."
]
},
{
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1,129 changes: 1,129 additions & 0 deletions DP2/200_Data_products/209_Flags/209_1_Object_table_flags.ipynb
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