remove survey_start function

rubin_sim/maf/maf_contrib/kne_metrics.py

@@ -5,7 +5,7 @@
 
 import numpy as np
 from rubin_scheduler.data import get_data_dir
-from rubin_scheduler.utils import survey_start_mjd, uniform_sphere
+from rubin_scheduler.utils import SURVEY_START_MJD, uniform_sphere
 
 from rubin_sim.maf.metrics import BaseMetric
 from rubin_sim.maf.slicers import UserPointsSlicer
@@ -147,7 +147,7 @@ def __init__(
         night_col="night",
         pts_needed=2,
         file_list=None,
-        mjd0=None,
+        mjd0=SURVEY_START_MJD,
         output_lc=False,
         badval=-666,
         **kwargs,
@@ -162,7 +162,7 @@ def __init__(
         self.output_lc = output_lc
 
         self.lightcurves = KnLc(file_list=file_list)
-        self.mjd0 = survey_start_mjd() if mjd0 is None else mjd0
+        self.mjd0 = mjd0
 
         dust_properties = DustValues()
         self.ax1 = dust_properties.ax1

rubin_sim/maf/maf_contrib/presto_color_kne_pop_metric.py

@@ -8,7 +8,7 @@
 import numpy as np
 import pandas as pd
 from rubin_scheduler.data import get_data_dir
-from rubin_scheduler.utils import survey_start_mjd, uniform_sphere
+from rubin_scheduler.utils import SURVEY_START_MJD, uniform_sphere
 
 import rubin_sim.maf.metrics as metrics
 import rubin_sim.maf.slicers as slicers
@@ -150,7 +150,7 @@ def __init__(
         night_col="night",
         pts_needed=2,
         file_list=None,
-        mjd0=None,
+        mjd0=SURVEY_START_MJD,
         output_lc=False,
         skyregion="galactic",
         thr=0.003,
@@ -182,7 +182,7 @@ def __init__(
         self.skyregion = skyregion
         # read in file as light curve object;
         self.lightcurves = KnLc(file_list=file_list)
-        self.mjd0 = survey_start_mjd() if mjd0 is None else mjd0
+        self.mjd0 = mjd0
 
         dust_properties = DustValues()
         self.ax1 = dust_properties.ax1

rubin_sim/maf/maf_contrib/tdes_pop_metric.py

@@ -5,7 +5,7 @@
 
 import numpy as np
 from rubin_scheduler.data import get_data_dir
-from rubin_scheduler.utils import survey_start_mjd, uniform_sphere
+from rubin_scheduler.utils import SURVEY_START_MJD, uniform_sphere
 
 import rubin_sim.maf.metrics as metrics
 import rubin_sim.maf.slicers as slicers
@@ -72,7 +72,7 @@ def __init__(
         night_col="night",
         pts_needed=2,
         file_list=None,
-        mjd0=None,
+        mjd0=SURVEY_START_MJD,
         **kwargs,
     ):
         maps = ["DustMap"]
@@ -83,7 +83,7 @@ def __init__(
         self.pts_needed = pts_needed
 
         self.lightcurves = TdeLc(file_list=file_list)
-        self.mjd0 = survey_start_mjd() if mjd0 is None else mjd0
+        self.mjd0 = mjd0
 
         dust_properties = DustValues()
         self.ax1 = dust_properties.ax1
@@ -213,7 +213,7 @@ def __init__(
         tmin=-30,
         tmax=100,
         file_list=None,
-        mjd0=59853.5,
+        mjd0=SURVEY_START_MJD,
         **kwargs,
     ):
         maps = ["DustMap"]

rubin_sim/maf/maf_contrib/xrb_metrics.py

@@ -2,7 +2,7 @@
 
 import numpy as np
 from rubin_scheduler.data import get_data_dir
-from rubin_scheduler.utils import survey_start_mjd
+from rubin_scheduler.utils import SURVEY_START_MJD
 from scipy.stats import loguniform
 
 from rubin_sim.maf.utils import m52snr
@@ -291,7 +291,7 @@ def __init__(
         pts_needed=2,
         pts_early=2,
         t_early=7,
-        mjd0=None,
+        mjd0=SURVEY_START_MJD,
         output_lc=False,
         badval=-666,
         **kwargs,
@@ -308,7 +308,7 @@ def __init__(
         self.output_lc = output_lc
 
         self.lightcurves = XrbLc()
-        self.mjd0 = survey_start_mjd() if mjd0 is None else mjd0
+        self.mjd0 = mjd0
 
         dust_properties = DustValues()
         self.ax1 = dust_properties.ax1

rubin_sim/satellite_constellations/model_observatory.py

@@ -3,7 +3,7 @@
 import numpy as np
 from rubin_scheduler.scheduler.model_observatory import ModelObservatory as oMO
 from rubin_scheduler.site_models import Almanac
-from rubin_scheduler.utils import _healbin, survey_start_mjd
+from rubin_scheduler.utils import SURVEY_START_MJD, _healbin
 
 # Take the model observatory from the scheduler and
 # subclass to expand to include satellite constellations
@@ -48,7 +48,7 @@ class ModelObservatory(oMO):
     def __init__(
         self,
         nside=None,
-        mjd_start=None,
+        mjd_start=SURVEY_START_MJD,
         seed=42,
         alt_min=5.0,
         lax_dome=True,
@@ -70,7 +70,7 @@ def __init__(
 
         # Need to do a little fiddle with the MJD since
         # self.mjd needs self.night set now.
-        self.mjd_start = survey_start_mjd() if mjd_start is None else mjd_start
+        self.mjd_start = mjd_start
         self.almanac = Almanac(mjd_start=self.mjd_start)
         self.night = -1
 

rubin_sim/satellite_constellations/sat_utils.py

@@ -10,12 +10,12 @@
 import numpy as np
 from astropy import constants as const
 from astropy import units as u
-from rubin_scheduler.utils import Site, gnomonic_project_toxy, point_to_line_distance, survey_start_mjd
+from rubin_scheduler.utils import SURVEY_START_MJD, Site, gnomonic_project_toxy, point_to_line_distance
 from shapely.geometry import LineString, Point
 from skyfield.api import EarthSatellite, load, wgs84
 
 MJDOFFSET = 2400000.5
-mjd0 = survey_start_mjd()
+mjd0 = SURVEY_START_MJD
 
 
 def sun_alt_limits():

tests/satellite_constellations/test_satellites.py

@@ -1,7 +1,7 @@
 import unittest
 
 import numpy as np
-from rubin_scheduler.utils import survey_start_mjd
+from rubin_scheduler.utils import SURVEY_START_MJD
 
 from rubin_sim.satellite_constellations import Constellation, oneweb_tles, starlink_tles_v1, starlink_tles_v2
 
@@ -10,7 +10,7 @@ class TestSatellites(unittest.TestCase):
     def test_constellations(self):
         """Test stellite constellations"""
 
-        mjd0 = survey_start_mjd()
+        mjd0 = SURVEY_START_MJD
         sv1 = starlink_tles_v1()
         sv2 = starlink_tles_v2()
         ow = oneweb_tles()