Exposure
ID
GRAVI.2025-05-24T04:40:27.050_1
Header ID
GRAVI.2025-05-24T04:40:27.050
Date updated
2025-05-24 04:50:53 UTC+0000
Release date
2025-05-24 04:40:27 UTC+0000
UTC Start
2025-05-24 04:40:27.050
UTC End
2025-05-24 04:43:07.050
MJD Start
60819.19475752
MJD End
60819.19660937186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002894
Ambient temperature (°C)
12.27
Seeing (arcsec)
0.935
Observation
ID
67553
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
50242
Name
HD_157097
RA
260.728266
DEC
-37.22101
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.7910 65.9750 259.6000 260.0000
K0-D0 94.5310 94.6740 239.3000 239.8000
K0-J3 53.3610 53.4720 324.1320 324.4100
G2-D0 39.9410 39.9330 204.5000 204.9000
G2-J3 64.5070 64.5050 31.2180 31.6590
D0-J3 104.2800 104.2680 28.6610 29.0930
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 60819.19475752
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.728266
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 65.791
HIERARCH ESO ISS PBL12 END 65.975
HIERARCH ESO ISS PBLA12 START 259.6
HIERARCH ESO ISS PBLA12 END 260.0
HIERARCH ESO ISS PBL13 START 94.531
HIERARCH ESO ISS PBL13 END 94.674
HIERARCH ESO ISS PBLA13 START 239.3
HIERARCH ESO ISS PBLA13 END 239.8
HIERARCH ESO ISS PBL14 START 53.361
HIERARCH ESO ISS PBL14 END 53.472
HIERARCH ESO ISS PBLA14 START 324.132
HIERARCH ESO ISS PBLA14 END 324.41
HIERARCH ESO ISS PBL23 START 39.941
HIERARCH ESO ISS PBL23 END 39.933
HIERARCH ESO ISS PBLA23 START 204.5
HIERARCH ESO ISS PBLA23 END 204.9
HIERARCH ESO ISS PBL24 START 64.507
HIERARCH ESO ISS PBL24 END 64.505
HIERARCH ESO ISS PBLA24 START 31.218
HIERARCH ESO ISS PBLA24 END 31.659
HIERARCH ESO ISS PBL34 START 104.28
HIERARCH ESO ISS PBL34 END 104.268
HIERARCH ESO ISS PBLA34 START 28.661
HIERARCH ESO ISS PBLA34 END 29.093
HIERARCH ESO ISS AMBI TAU0 START 0.002486
HIERARCH ESO ISS AMBI TAU0 END 0.003302
HIERARCH ESO ISS AMBI TEMP 12.27
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 0.78