<p>From helpdesk@sdss:</p>
<p>&quot;The code repository that Eleanor Lyke referenced in the DR16Q Value added catalog (VAC) paper on page 5 of ApJS (2020) 250 8 is:  &quot;The python code for generating DR16Q is available publicly” at</p>
<pre><code>https://github.com/bradlyke/dr16q
</code></pre>
<p>Many thanks to the team, original author, and planetmaker.</p>

CC BY-SA 4.0
2024-01-15T08:08:10.123Z
Very nice that you were able to self-answer this question - and to document that answer here
planetmaker
CC BY-SA 4.0
2024-01-15T07:56:34.617Z
2024-01-15T07:56:34.617Z
MikeHelland
<p>I'm curious if it's available to investigate (from my question in the title), or even better, modify and re-run. See <a href="https://www.sdss4.org/dr17/algorithms/qso_catalog/" rel="nofollow noreferrer">SDSS DR16Q quasar catalogue</a>.</p>
<p>Not the data itself, that's in a fits file. The code they ran to produce the fits file.</p>
<p>The part I'm most interested in are the K corrections.</p>

CC BY-SA 4.0
2024-01-12T12:30:09.550Z
Did you ask the authors of the catalogue?
planetmaker
CC BY-SA 4.0
2024-01-15T07:53:43.313Z
I emailed the SDSS helpdesk
MikeHelland
<quasars><sloan-dss>
Is the code that produces the SDSS DR16Q quasar catalogue available?
MikeHelland
# Is the code that produces the SDSS DR16Q quasar catalogue available?

(Asked by: username_0 on 2024-01-12)

I'm curious if it's available to investigate (from my question in the title), or even better, modify and re-run. See [SDSS DR16Q quasar catalogue](https://www.sdss4.org/dr17/algorithms/qso_catalog/).

Not the data itself, that's in a fits file. The code they ran to produce the fits file.

The part I'm most interested in are the K corrections.

**Tags:** quasars, sloan-dss
> **Comments:**
> **username_1**: Did you ask the authors of the catalogue?  
> **username_0**: I emailed the SDSS helpdesk  

---

## 1 answers

### Answer by username_0 on 2024-01-15. Score: 3

From helpdesk@sdss:
"The code repository that Eleanor Lyke referenced in the DR16Q Value added catalog (VAC) paper on page 5 of ApJS (2020) 250 8 is:  "The python code for generating DR16Q is available publicly” at
https://github.com/bradlyke/dr16q

Many thanks to the team, original author, and planetmaker.

> **Comments:**
> **username_1**: Very nice that you were able to self-answer this question - and to document that answer here  

---

