Exposure
ID
GRAVI.2025-02-22T03:22:17.393_1
Header ID
GRAVI.2025-02-22T03:22:17.393
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 03:22:17 UTC+0000
UTC Start
2025-02-22 03:22:17.393
UTC End
2025-02-22 03:24:57.393
MJD Start
60728.14047909
MJD End
60728.14233094185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.009995500000000001
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.665
Observation
ID
64781
Category
calibrator
Program ID
114.27NF.001
Program Title
UNVELING THE MASS-LOSS PROCESS OF RED SUPERGIANTS: THE VARIABILITY ACROSS THE MOLECULAR LAYERS AND THE PHOTOSPHERE
Program Type
Normal
PI / COI
JADLOVSKY / WITTKOWSKI / CHIAVASSA / KRAVCHENKO / GONZÁLEZ-TORÀ / KRTICKA / PALADINI / HÖFNER / FREYTAG
Target
ID
48242
Name
HD_57478
RA
110.241635
DEC
-14.36049
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 46.3770 46.3180 161.3000 161.7000
A0-J2 120.1430 119.5420 98.7000 98.9000
A0-J6 169.6370 169.6030 33.1690 33.3360
B5-J2 107.0480 106.6380 76.1000 76.2000
B5-J6 201.6200 201.6680 22.7490 22.9660
J2-J6 162.2980 162.2120 350.7990 351.1740
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.27NF.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60728.14047909
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 57478
HIERARCH ESO INS SOBJ NAME HD_57478
RA 110.241635
DEC -14.36049
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE SPLIT
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 46.377
HIERARCH ESO ISS PBL12 END 46.318
HIERARCH ESO ISS PBLA12 START 161.3
HIERARCH ESO ISS PBLA12 END 161.7
HIERARCH ESO ISS PBL13 START 120.143
HIERARCH ESO ISS PBL13 END 119.542
HIERARCH ESO ISS PBLA13 START 98.7
HIERARCH ESO ISS PBLA13 END 98.9
HIERARCH ESO ISS PBL14 START 169.637
HIERARCH ESO ISS PBL14 END 169.603
HIERARCH ESO ISS PBLA14 START 33.169
HIERARCH ESO ISS PBLA14 END 33.336
HIERARCH ESO ISS PBL23 START 107.048
HIERARCH ESO ISS PBL23 END 106.638
HIERARCH ESO ISS PBLA23 START 76.1
HIERARCH ESO ISS PBLA23 END 76.2
HIERARCH ESO ISS PBL24 START 201.62
HIERARCH ESO ISS PBL24 END 201.668
HIERARCH ESO ISS PBLA24 START 22.749
HIERARCH ESO ISS PBLA24 END 22.966
HIERARCH ESO ISS PBL34 START 162.298
HIERARCH ESO ISS PBL34 END 162.212
HIERARCH ESO ISS PBLA34 START 350.799
HIERARCH ESO ISS PBLA34 END 351.174
HIERARCH ESO ISS AMBI TAU0 START 0.011098
HIERARCH ESO ISS AMBI TAU0 END 0.008893
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.73