Exposure
ID
GRAVI.2025-09-20T00:02:26.205_1
Header ID
GRAVI.2025-09-20T00:02:26.205
Date updated
2025-09-20 00:10:52 UTC+0000
Release date
2025-09-20 00:02:26 UTC+0000
UTC Start
2025-09-20 00:02:26.205
UTC End
2025-09-20 00:05:06.205
MJD Start
60938.00169219
MJD End
60938.00354404186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003758
Ambient temperature (°C)
14.2
Seeing (arcsec)
0.875
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 89.0310 88.8440 117.4000 117.7000
A0-J2 128.3520 128.1530 94.3000 94.5000
A0-K0 127.8790 127.8080 72.8560 73.0270
G1-J2 58.2170 58.2260 57.3000 57.5000
G1-K0 89.7920 89.8580 28.7440 29.0020
J2-K0 47.6170 47.6020 353.0030 353.3340
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 60938.00169219
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 89.031
HIERARCH ESO ISS PBL12 END 88.844
HIERARCH ESO ISS PBLA12 START 117.4
HIERARCH ESO ISS PBLA12 END 117.7
HIERARCH ESO ISS PBL13 START 128.352
HIERARCH ESO ISS PBL13 END 128.153
HIERARCH ESO ISS PBLA13 START 94.3
HIERARCH ESO ISS PBLA13 END 94.5
HIERARCH ESO ISS PBL14 START 127.879
HIERARCH ESO ISS PBL14 END 127.808
HIERARCH ESO ISS PBLA14 START 72.856
HIERARCH ESO ISS PBLA14 END 73.027
HIERARCH ESO ISS PBL23 START 58.217
HIERARCH ESO ISS PBL23 END 58.226
HIERARCH ESO ISS PBLA23 START 57.3
HIERARCH ESO ISS PBLA23 END 57.5
HIERARCH ESO ISS PBL24 START 89.792
HIERARCH ESO ISS PBL24 END 89.858
HIERARCH ESO ISS PBLA24 START 28.744
HIERARCH ESO ISS PBLA24 END 29.002
HIERARCH ESO ISS PBL34 START 47.617
HIERARCH ESO ISS PBL34 END 47.602
HIERARCH ESO ISS PBLA34 START 353.003
HIERARCH ESO ISS PBLA34 END 353.334
HIERARCH ESO ISS AMBI TAU0 START 0.003758
HIERARCH ESO ISS AMBI TAU0 END 0.003758
HIERARCH ESO ISS AMBI TEMP 14.2
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.91