identify_unknown_sptypes: use vizier tic catalogue and print best match

This commit is contained in:
2024-12-04 11:54:06 +01:00
parent db3c8be556
commit bef934176d
+100 -12
View File
@@ -1,5 +1,10 @@
from astroquery.simbad import Simbad
from astroquery.vizier import Vizier
from astropy.coordinates import Angle
import pandas as pd
import numpy as np
from main.astrodatagui.db.StarsDB import StarDB
class bcolors:
HEADER = '\033[95m'
@@ -13,6 +18,8 @@ class bcolors:
simbad = Simbad()
starDB: StarDB = StarDB.getInstance("stars.db")
bvStars = ["1RXS J064643.6-770027", "BD-08 995", "CPD-19 878", "PM J07058-5848", "TYC 1360-957-1", "TYC 4595-107-1"]
jhcStars = ["2MASS J18524052+4156057", "2MASS J18534407+4208274", "2MASS J18535462+4135227", "2MASS J19335656+4010546"]
@@ -20,6 +27,9 @@ filters = ["U", "B", "V", "R", "I", "J", "H", "K", "u", "g", "r", "i", "z", "G",
for f in filters:
simbad.add_votable_fields(f"flux({f})")
vizierTIC = Vizier(catalog="IV/38/tic",
columns=["TIC", "HIP", "TYC", "UCAC4", "2MASS", "GAIA", "KIC", "S/G", "Teff", "Rad", "Mass", "LClass", "Dist"])
spTypeTable = pd.read_csv("cousins.cols")
weights = {"SpType": 0.0,
@@ -34,7 +44,45 @@ weights = {"SpType": 0.0,
"V-M": 0.0,
"V-N": 0.0}
for star in bvStars:
spTypeTeffMinTable = {2700: "M",
4000: "K",
5440: "G",
6300: "F",
7920: "A"}
def getSpTypeFromTeff(Teff):
if(Teff >= 30000):
return "O"
elif(Teff >= 10000):
return "B"
elif(Teff >= 7500):
return "A"
elif(Teff >= 6000):
return "F"
elif(Teff >= 5200):
return "G"
elif(Teff >= 3700):
return "K"
elif(Teff >= 2400):
return "M"
else:
return "L"
resTable = {"StarID": [],
"simbad B-V": [],
"simbad SpType": [],
"vizier Teff": [],
"vizier Mass": [],
"vizier Radius": [],
"vizier SpType": [],
"vizier Lum. Class": [],
"Final SpType": []}
resTable = pd.DataFrame(resTable)
allStars = []
allStars.extend(bvStars)
allStars.extend(jhcStars)
for star in allStars:
star = simbad.query_object(star)
U_B = star["FLUX_U"] - star["FLUX_B"]
B_V = star["FLUX_B"] - star["FLUX_V"]
@@ -77,15 +125,55 @@ for star in bvStars:
.sum(axis=1)
)
bestMatchIndexUBVonlyWeighted = distancesUBVonlyWeighted.idxmin()
bestMatchNameUBVonlyWeighted = spTypeTable.iloc[bestMatchIndexUBVonlyWeighted, 0]
bestMatchNameUBVonlyWeighted = spTypeTable.iloc[bestMatchIndexUBVonlyWeighted, 0] if (not np.isnan(U_B) or not np.isnan(B_V)) else ""
print(f"--- {bcolors.BOLD}{bcolors.OKGREEN}{star['MAIN_ID'].value[0]}{bcolors.ENDC} ---")
print(f"Best no weights match: {bcolors.FAIL}{bestMatchNameUBV}{bcolors.ENDC}")
print(spTypeTable.iloc[bestMatchIndexUBVIJHK:bestMatchIndexUBVIJHK+1])
print(f"Best weights match: {bcolors.FAIL}{bestMatchNameUBVweighted}{bcolors.ENDC}")
print(spTypeTable.iloc[bestMatchIndexUBVIJHKweighted:bestMatchIndexUBVIJHKweighted+1])
print(f"Best UBV match: {bcolors.FAIL}{bestMatchNameUBVonlyWeighted}{bcolors.ENDC}")
print(spTypeTable.iloc[bestMatchIndexUBVonlyWeighted:bestMatchIndexUBVonlyWeighted+1])
print(f"Star: ")
print(fluxDiff)
print("-------------------------------------------------------------------------------------")
starName = star['MAIN_ID'].value[0]
regionResults = vizierTIC.query_region(starName,
radius=Angle(5, "arcsec"))
altNames = [an[0] for an in starDB.getStarAltNames(starName)[:-1]]
vizierTable = None
for reg in regionResults:
for row in reg:
for aN in altNames:
if((str(row["TIC"]) in aN or
str(row["GAIA"]) in aN or
str(row["_2MASS"]) in aN) and
row["LClass"] == "DWARF"):
vizierTable = row
break
else:
continue
break
else:
continue
break
Teff = vizierTable["Teff"]
vizierSpType = getSpTypeFromTeff(Teff)
finalSpType = ""
if(bestMatchNameUBVonlyWeighted == "" or
bestMatchNameUBVonlyWeighted[0] == vizierSpType):
finalSpType = vizierSpType
else:
if(bestMatchNameUBVonlyWeighted[1] == "0"):
finalSpType = vizierSpType
else:
finalSpType = bestMatchNameUBVonlyWeighted[0]
if(vizierTable is None):
resTable = pd.concat([resTable,
pd.DataFrame([[starName, B_V[0], bestMatchNameUBVonlyWeighted,
"", "", "", "", "",
finalSpType]],
columns=resTable.columns)],
ignore_index=True)
else:
resTable = pd.concat([resTable,
pd.DataFrame([[starName, B_V[0], bestMatchNameUBVonlyWeighted,
vizierTable["Teff"], vizierTable["Mass"], vizierTable["Rad"], vizierSpType, vizierTable["LClass"],
finalSpType]],
columns=resTable.columns)],
ignore_index=True)
print(resTable.to_string())