Exposure
ID
GRAVI.2025-08-31T23:29:41.699_1
Header ID
GRAVI.2025-08-31T23:29:41.699
Date updated
2025-08-31 23:40:47 UTC+0000
Release date
2025-08-31 23:29:41 UTC+0000
UTC Start
2025-08-31 23:29:41.699
UTC End
2025-08-31 23:32:21.699
MJD Start
60918.97895485
MJD End
60918.98080670185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002086
Ambient temperature (°C)
6.54
Seeing (arcsec)
1.595
Observation
ID
70159
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
52058
Name
HD_174328
RA
282.627561
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 87.9930 88.2360 111.3000 111.5000
A0-J2 121.8540 122.3870 87.9000 88.1000
A0-K0 118.5240 119.0680 64.7580 65.0560
G1-J2 53.9680 54.1700 47.5000 47.9000
G1-K0 86.3320 86.4320 17.0010 17.3910
J2-K0 48.3670 48.3470 342.4720 342.7220
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 60918.97895485
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 174328
HIERARCH ESO INS SOBJ NAME HD_174328
RA 282.627561
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 87.993
HIERARCH ESO ISS PBL12 END 88.236
HIERARCH ESO ISS PBLA12 START 111.3
HIERARCH ESO ISS PBLA12 END 111.5
HIERARCH ESO ISS PBL13 START 121.854
HIERARCH ESO ISS PBL13 END 122.387
HIERARCH ESO ISS PBLA13 START 87.9
HIERARCH ESO ISS PBLA13 END 88.1
HIERARCH ESO ISS PBL14 START 118.524
HIERARCH ESO ISS PBL14 END 119.068
HIERARCH ESO ISS PBLA14 START 64.758
HIERARCH ESO ISS PBLA14 END 65.056
HIERARCH ESO ISS PBL23 START 53.968
HIERARCH ESO ISS PBL23 END 54.17
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.9
HIERARCH ESO ISS PBL24 START 86.332
HIERARCH ESO ISS PBL24 END 86.432
HIERARCH ESO ISS PBLA24 START 17.001
HIERARCH ESO ISS PBLA24 END 17.391
HIERARCH ESO ISS PBL34 START 48.367
HIERARCH ESO ISS PBL34 END 48.347
HIERARCH ESO ISS PBLA34 START 342.472
HIERARCH ESO ISS PBLA34 END 342.722
HIERARCH ESO ISS AMBI TAU0 START 0.002037
HIERARCH ESO ISS AMBI TAU0 END 0.002135
HIERARCH ESO ISS AMBI TEMP 6.54
HIERARCH ESO ISS AMBI FWHM START 1.5
HIERARCH ESO ISS AMBI FWHM END 1.69