Exposure
ID
GRAVI.2025-05-26T06:59:58.905_1
Header ID
GRAVI.2025-05-26T06:59:58.905
Date updated
2025-05-26 07:11:08 UTC+0000
Release date
2025-05-26 06:59:58 UTC+0000
UTC Start
2025-05-26 06:59:58.905
UTC End
2025-05-26 07:02:38.905
MJD Start
60821.29165399
MJD End
60821.29350584186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002469
Ambient temperature (°C)
11.36
Seeing (arcsec)
0.83
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 90.4920 90.4670 114.5000 114.7000
A0-J2 128.9780 129.0700 91.8000 92.0000
A0-K0 126.8820 127.0710 70.2160 70.4290
G1-J2 57.3920 57.4890 54.2000 54.5000
G1-K0 88.5890 88.6850 24.7190 25.0350
J2-K0 47.8860 47.8650 348.5270 348.8360
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 60821.29165399
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 90.492
HIERARCH ESO ISS PBL12 END 90.467
HIERARCH ESO ISS PBLA12 START 114.5
HIERARCH ESO ISS PBLA12 END 114.7
HIERARCH ESO ISS PBL13 START 128.978
HIERARCH ESO ISS PBL13 END 129.07
HIERARCH ESO ISS PBLA13 START 91.8
HIERARCH ESO ISS PBLA13 END 92.0
HIERARCH ESO ISS PBL14 START 126.882
HIERARCH ESO ISS PBL14 END 127.071
HIERARCH ESO ISS PBLA14 START 70.216
HIERARCH ESO ISS PBLA14 END 70.429
HIERARCH ESO ISS PBL23 START 57.392
HIERARCH ESO ISS PBL23 END 57.489
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 88.589
HIERARCH ESO ISS PBL24 END 88.685
HIERARCH ESO ISS PBLA24 START 24.719
HIERARCH ESO ISS PBLA24 END 25.035
HIERARCH ESO ISS PBL34 START 47.886
HIERARCH ESO ISS PBL34 END 47.865
HIERARCH ESO ISS PBLA34 START 348.527
HIERARCH ESO ISS PBLA34 END 348.836
HIERARCH ESO ISS AMBI TAU0 START 0.002444
HIERARCH ESO ISS AMBI TAU0 END 0.002494
HIERARCH ESO ISS AMBI TEMP 11.36
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.84