Exposure
ID
GRAVI.2025-08-02T04:20:54.108_1
Header ID
GRAVI.2025-08-02T04:20:54.108
Date updated
2025-08-02 04:30:54 UTC+0000
Release date
2025-08-02 04:20:54 UTC+0000
UTC Start
2025-08-02 04:20:54.108
UTC End
2025-08-02 04:23:34.108
MJD Start
60889.1811818
MJD End
60889.183033651854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025624999999999997
Ambient temperature (°C)
10.23
Seeing (arcsec)
1.8
Observation
ID
68989
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
51321
Name
HD_157097
RA
260.725474
DEC
-37.22101
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 84.2580 84.0720 146.7000 147.4000
A0-J2 108.4770 107.8770 124.0000 124.7000
A0-K0 99.2340 98.4070 98.0610 98.5810
G1-J2 44.8000 44.4250 77.4000 77.7000
G1-K0 76.8470 76.5120 42.6320 42.8120
J2-K0 47.4870 47.4670 10.1010 10.4220
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 60889.1811818
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.725474
DEC -37.22101
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 84.258
HIERARCH ESO ISS PBL12 END 84.072
HIERARCH ESO ISS PBLA12 START 146.7
HIERARCH ESO ISS PBLA12 END 147.4
HIERARCH ESO ISS PBL13 START 108.477
HIERARCH ESO ISS PBL13 END 107.877
HIERARCH ESO ISS PBLA13 START 124.0
HIERARCH ESO ISS PBLA13 END 124.7
HIERARCH ESO ISS PBL14 START 99.234
HIERARCH ESO ISS PBL14 END 98.407
HIERARCH ESO ISS PBLA14 START 98.061
HIERARCH ESO ISS PBLA14 END 98.581
HIERARCH ESO ISS PBL23 START 44.8
HIERARCH ESO ISS PBL23 END 44.425
HIERARCH ESO ISS PBLA23 START 77.4
HIERARCH ESO ISS PBLA23 END 77.7
HIERARCH ESO ISS PBL24 START 76.847
HIERARCH ESO ISS PBL24 END 76.512
HIERARCH ESO ISS PBLA24 START 42.632
HIERARCH ESO ISS PBLA24 END 42.812
HIERARCH ESO ISS PBL34 START 47.487
HIERARCH ESO ISS PBL34 END 47.467
HIERARCH ESO ISS PBLA34 START 10.101
HIERARCH ESO ISS PBLA34 END 10.422
HIERARCH ESO ISS AMBI TAU0 START 0.002864
HIERARCH ESO ISS AMBI TAU0 END 0.002261
HIERARCH ESO ISS AMBI TEMP 10.23
HIERARCH ESO ISS AMBI FWHM START 1.54
HIERARCH ESO ISS AMBI FWHM END 2.06