From c606e365b134ada04677b8e3346ba77fee8a5538 Mon Sep 17 00:00:00 2001
From: Stephen Bailey <StephenBailey@lbl.gov>
Date: Wed, 24 Jul 2024 15:41:33 -0700
Subject: [PATCH] also write header keywords to REDSHIFTS HDU

---
 py/redrock/external/desi.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/py/redrock/external/desi.py b/py/redrock/external/desi.py
index c43bc7d..6b0df9d 100644
--- a/py/redrock/external/desi.py
+++ b/py/redrock/external/desi.py
@@ -107,8 +107,10 @@ def write_zbest(outfile, zbest, fibermap, exp_fibermap, tsnr2,
 
     Modifies input tables.meta['EXTNAME']
     """
+    # header keywords for both PRIMARY and REDSHIFTS HDU
     header = _get_header(templates, archetypes, spec_header)
 
+    zbest.meta.update(header)
     zbest.meta['EXTNAME'] = 'REDSHIFTS'
     fibermap.meta['EXTNAME'] = 'FIBERMAP'
     exp_fibermap.meta['EXTNAME'] = 'EXP_FIBERMAP'