Exposure
ID
GRAVI.2025-05-24T04:43:45.059_1
Header ID
GRAVI.2025-05-24T04:43:45.059
Date updated
2025-05-24 04:55:54 UTC+0000
Release date
2025-05-24 04:43:45 UTC+0000
UTC Start
2025-05-24 04:43:45.059
UTC End
2025-05-24 04:46:25.059
MJD Start
60819.19704929
MJD End
60819.198901141855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0035135
Ambient temperature (°C)
12.33
Seeing (arcsec)
0.73
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 65.9950 66.1730 260.1000 260.6000
K0-D0 94.6900 94.8260 239.9000 240.3000
K0-J3 53.4850 53.5940 324.4420 324.7260
G2-D0 39.9320 39.9220 205.0000 205.4000
G2-J3 64.5040 64.5000 31.7090 32.1510
D0-J3 104.2670 104.2510 29.1420 29.5760
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 60819.19704929
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 65.995
HIERARCH ESO ISS PBL12 END 66.173
HIERARCH ESO ISS PBLA12 START 260.1
HIERARCH ESO ISS PBLA12 END 260.6
HIERARCH ESO ISS PBL13 START 94.69
HIERARCH ESO ISS PBL13 END 94.826
HIERARCH ESO ISS PBLA13 START 239.9
HIERARCH ESO ISS PBLA13 END 240.3
HIERARCH ESO ISS PBL14 START 53.485
HIERARCH ESO ISS PBL14 END 53.594
HIERARCH ESO ISS PBLA14 START 324.442
HIERARCH ESO ISS PBLA14 END 324.726
HIERARCH ESO ISS PBL23 START 39.932
HIERARCH ESO ISS PBL23 END 39.922
HIERARCH ESO ISS PBLA23 START 205.0
HIERARCH ESO ISS PBLA23 END 205.4
HIERARCH ESO ISS PBL24 START 64.504
HIERARCH ESO ISS PBL24 END 64.5
HIERARCH ESO ISS PBLA24 START 31.709
HIERARCH ESO ISS PBLA24 END 32.151
HIERARCH ESO ISS PBL34 START 104.267
HIERARCH ESO ISS PBL34 END 104.251
HIERARCH ESO ISS PBLA34 START 29.142
HIERARCH ESO ISS PBLA34 END 29.576
HIERARCH ESO ISS AMBI TAU0 START 0.003302
HIERARCH ESO ISS AMBI TAU0 END 0.003725
HIERARCH ESO ISS AMBI TEMP 12.33
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.68