From 8da5833dcb8365568673944afdea7d1a9c334bff Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Mon, 19 Jun 2017 17:32:31 +0800
Subject: sky.py: Write PIXELSIZE, RA0, and DEC0 to header for patch sky
---
fg21sim/sky.py | 3 +++
1 file changed, 3 insertions(+)
(limited to 'fg21sim')
diff --git a/fg21sim/sky.py b/fg21sim/sky.py
index 9187777..637c990 100644
--- a/fg21sim/sky.py
+++ b/fg21sim/sky.py
@@ -175,6 +175,9 @@ class SkyPatch:
header = self.header.copy(strip=True)
wcs_header = self.wcs.to_header()
header.extend(wcs_header, update=True)
+ header["PIXSIZE"] = (self.pixelsize, "Pixel size [arcmin]")
+ header["RA0"] = (self.center[0], "R.A. of patch center [deg]")
+ header["DEC0"] = (self.center[1], "Dec. of patch center [deg]")
hdu = fits.PrimaryHDU(data=image, header=header)
hdu.writeto(outfile, clobber=clobber, checksum=checksum)
logger.info("Write sky map to file: %s" % outfile)
--
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