Exposure
ID
GRAVI.2025-05-24T04:33:45.033_1
Header ID
GRAVI.2025-05-24T04:33:45.033
Date updated
2025-05-24 04:45:51 UTC+0000
Release date
2025-05-24 04:33:45 UTC+0000
UTC Start
2025-05-24 04:33:45.033
UTC End
2025-05-24 04:36:25.033
MJD Start
60819.19010455
MJD End
60819.19195640185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0032965
Ambient temperature (°C)
12.33
Seeing (arcsec)
0.7649999999999999
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 65.3480 65.5470 258.5000 258.9000
K0-D0 94.1800 94.3380 238.1000 238.7000
K0-J3 53.0960 53.2140 323.4990 323.7770
G2-D0 39.9580 39.9510 203.6000 204.0000
G2-J3 64.5050 64.5070 30.1930 30.6470
D0-J3 104.2980 104.2920 27.6570 28.1010
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 60819.19010455
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 65.348
HIERARCH ESO ISS PBL12 END 65.547
HIERARCH ESO ISS PBLA12 START 258.5
HIERARCH ESO ISS PBLA12 END 258.9
HIERARCH ESO ISS PBL13 START 94.18
HIERARCH ESO ISS PBL13 END 94.338
HIERARCH ESO ISS PBLA13 START 238.1
HIERARCH ESO ISS PBLA13 END 238.7
HIERARCH ESO ISS PBL14 START 53.096
HIERARCH ESO ISS PBL14 END 53.214
HIERARCH ESO ISS PBLA14 START 323.499
HIERARCH ESO ISS PBLA14 END 323.777
HIERARCH ESO ISS PBL23 START 39.958
HIERARCH ESO ISS PBL23 END 39.951
HIERARCH ESO ISS PBLA23 START 203.6
HIERARCH ESO ISS PBLA23 END 204.0
HIERARCH ESO ISS PBL24 START 64.505
HIERARCH ESO ISS PBL24 END 64.507
HIERARCH ESO ISS PBLA24 START 30.193
HIERARCH ESO ISS PBLA24 END 30.647
HIERARCH ESO ISS PBL34 START 104.298
HIERARCH ESO ISS PBL34 END 104.292
HIERARCH ESO ISS PBLA34 START 27.657
HIERARCH ESO ISS PBLA34 END 28.101
HIERARCH ESO ISS AMBI TAU0 START 0.003149
HIERARCH ESO ISS AMBI TAU0 END 0.003444
HIERARCH ESO ISS AMBI TEMP 12.33
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.7