Exposure
ID
GRAVI.2025-05-26T06:56:43.896_1
Header ID
GRAVI.2025-05-26T06:56:43.896
Date updated
2025-05-26 07:11:08 UTC+0000
Release date
2025-05-26 06:56:43 UTC+0000
UTC Start
2025-05-26 06:56:43.896
UTC End
2025-05-26 06:59:23.896
MJD Start
60821.28939695
MJD End
60821.291248801856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0029024999999999997
Ambient temperature (°C)
11.41
Seeing (arcsec)
0.77
Observation
ID
67590
Category
calibrator
Program ID
115.27VK.001
Program Title
UNVEILING 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
50266
Name
HD_174328
RA
282.627562
DEC
-13.5723
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.5060 90.4940 114.3000 114.5000
A0-J2 128.8530 128.9670 91.6000 91.8000
A0-K0 126.6530 126.8610 69.9870 70.2030
G1-J2 57.2780 57.3810 54.0000 54.2000
G1-K0 88.4810 88.5790 24.3740 24.6940
J2-K0 47.9100 47.8890 348.1970 348.5030
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.27VK.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60821.28939695
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 174328
HIERARCH ESO INS SOBJ NAME HD_174328
RA 282.627562
DEC -13.5723
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.506
HIERARCH ESO ISS PBL12 END 90.494
HIERARCH ESO ISS PBLA12 START 114.3
HIERARCH ESO ISS PBLA12 END 114.5
HIERARCH ESO ISS PBL13 START 128.853
HIERARCH ESO ISS PBL13 END 128.967
HIERARCH ESO ISS PBLA13 START 91.6
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 126.653
HIERARCH ESO ISS PBL14 END 126.861
HIERARCH ESO ISS PBLA14 START 69.987
HIERARCH ESO ISS PBLA14 END 70.203
HIERARCH ESO ISS PBL23 START 57.278
HIERARCH ESO ISS PBL23 END 57.381
HIERARCH ESO ISS PBLA23 START 54.0
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 88.481
HIERARCH ESO ISS PBL24 END 88.579
HIERARCH ESO ISS PBLA24 START 24.374
HIERARCH ESO ISS PBLA24 END 24.694
HIERARCH ESO ISS PBL34 START 47.91
HIERARCH ESO ISS PBL34 END 47.889
HIERARCH ESO ISS PBLA34 START 348.197
HIERARCH ESO ISS PBLA34 END 348.503
HIERARCH ESO ISS AMBI TAU0 START 0.003361
HIERARCH ESO ISS AMBI TAU0 END 0.002444
HIERARCH ESO ISS AMBI TEMP 11.41
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.82