Exposure
ID
GRAVI.2025-02-22T03:12:05.367_1
Header ID
GRAVI.2025-02-22T03:12:05.367
Date updated
2025-02-26 12:50:48 UTC+0000
Release date
2025-02-22 03:12:05 UTC+0000
UTC Start
2025-02-22 03:12:05.367
UTC End
2025-02-22 03:14:45.367
MJD Start
60728.13339545
MJD End
60728.135247301856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0078225
Ambient temperature (°C)
14.48
Seeing (arcsec)
0.855
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 46.5820 46.5220 160.0000 160.4000
A0-J2 122.0650 121.5280 97.9000 98.2000
A0-J6 169.6920 169.6860 32.5600 32.7420
B5-J2 108.3300 107.9760 75.6000 75.8000
B5-J6 201.4220 201.4840 21.9750 22.2040
J2-J6 162.6130 162.5180 349.5220 349.8910
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 60728.13339545
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 46.582
HIERARCH ESO ISS PBL12 END 46.522
HIERARCH ESO ISS PBLA12 START 160.0
HIERARCH ESO ISS PBLA12 END 160.4
HIERARCH ESO ISS PBL13 START 122.065
HIERARCH ESO ISS PBL13 END 121.528
HIERARCH ESO ISS PBLA13 START 97.9
HIERARCH ESO ISS PBLA13 END 98.2
HIERARCH ESO ISS PBL14 START 169.692
HIERARCH ESO ISS PBL14 END 169.686
HIERARCH ESO ISS PBLA14 START 32.56
HIERARCH ESO ISS PBLA14 END 32.742
HIERARCH ESO ISS PBL23 START 108.33
HIERARCH ESO ISS PBL23 END 107.976
HIERARCH ESO ISS PBLA23 START 75.6
HIERARCH ESO ISS PBLA23 END 75.8
HIERARCH ESO ISS PBL24 START 201.422
HIERARCH ESO ISS PBL24 END 201.484
HIERARCH ESO ISS PBLA24 START 21.975
HIERARCH ESO ISS PBLA24 END 22.204
HIERARCH ESO ISS PBL34 START 162.613
HIERARCH ESO ISS PBL34 END 162.518
HIERARCH ESO ISS PBLA34 START 349.522
HIERARCH ESO ISS PBLA34 END 349.891
HIERARCH ESO ISS AMBI TAU0 START 0.007045
HIERARCH ESO ISS AMBI TAU0 END 0.0086
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.82