Exposure
ID
GRAVI.2025-09-20T02:11:14.533_1
Header ID
GRAVI.2025-09-20T02:11:14.533
Date updated
2025-09-20 02:20:55 UTC+0000
Release date
2025-09-20 02:11:14 UTC+0000
UTC Start
2025-09-20 02:11:14.533
UTC End
2025-09-20 02:13:54.533
MJD Start
60938.09114043
MJD End
60938.092992281854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.001851
Ambient temperature (°C)
14.09
Seeing (arcsec)
0.92
Observation
ID
70465
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
52251
Name
HD_179130
RA
287.977146
DEC
-14.58451
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 77.0210 76.5650 130.1000 130.6000
A0-J2 109.1090 108.2570 102.7000 103.0000
A0-K0 113.1730 112.4350 77.9760 78.0820
G1-J2 54.0240 53.7820 61.6000 61.7000
G1-K0 89.6540 89.5640 35.2760 35.3790
J2-K0 47.7120 47.7230 5.0970 5.4230
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 60938.09114043
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 179130
HIERARCH ESO INS SOBJ NAME HD_179130
RA 287.977146
DEC -14.58451
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 77.021
HIERARCH ESO ISS PBL12 END 76.565
HIERARCH ESO ISS PBLA12 START 130.1
HIERARCH ESO ISS PBLA12 END 130.6
HIERARCH ESO ISS PBL13 START 109.109
HIERARCH ESO ISS PBL13 END 108.257
HIERARCH ESO ISS PBLA13 START 102.7
HIERARCH ESO ISS PBLA13 END 103.0
HIERARCH ESO ISS PBL14 START 113.173
HIERARCH ESO ISS PBL14 END 112.435
HIERARCH ESO ISS PBLA14 START 77.976
HIERARCH ESO ISS PBLA14 END 78.082
HIERARCH ESO ISS PBL23 START 54.024
HIERARCH ESO ISS PBL23 END 53.782
HIERARCH ESO ISS PBLA23 START 61.6
HIERARCH ESO ISS PBLA23 END 61.7
HIERARCH ESO ISS PBL24 START 89.654
HIERARCH ESO ISS PBL24 END 89.564
HIERARCH ESO ISS PBLA24 START 35.276
HIERARCH ESO ISS PBLA24 END 35.379
HIERARCH ESO ISS PBL34 START 47.712
HIERARCH ESO ISS PBL34 END 47.723
HIERARCH ESO ISS PBLA34 START 5.097
HIERARCH ESO ISS PBLA34 END 5.423
HIERARCH ESO ISS AMBI TAU0 START 0.001851
HIERARCH ESO ISS AMBI TAU0 END 0.001851
HIERARCH ESO ISS AMBI TEMP 14.09
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.93