Exposure
ID
GRAVI.2025-04-29T05:44:04.206_1
Header ID
GRAVI.2025-04-29T05:44:04.206
Date updated
2025-04-29 05:55:52 UTC+0000
Release date
2025-04-29 05:44:04 UTC+0000
UTC Start
2025-04-29 05:44:04.206
UTC End
2025-04-29 05:46:44.206
MJD Start
60794.23893757
MJD End
60794.240789421856
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0050345
Ambient temperature (°C)
13.15
Seeing (arcsec)
0.5
Observation
ID
67041
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
49849
Name
HD_157097
RA
260.725476
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 80.8320 81.2390 100.2000 100.6000
A0-J2 119.1570 119.6480 75.0000 75.5000
A0-K0 123.1980 123.4800 53.1540 53.6960
G1-J2 57.4790 57.5370 38.2000 38.7000
G1-K0 90.2810 90.2670 12.1800 12.5860
J2-K0 46.1560 46.2120 339.0280 339.2910
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 60794.23893757
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 157097
HIERARCH ESO INS SOBJ NAME HD_157097
RA 260.725476
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 80.832
HIERARCH ESO ISS PBL12 END 81.239
HIERARCH ESO ISS PBLA12 START 100.2
HIERARCH ESO ISS PBLA12 END 100.6
HIERARCH ESO ISS PBL13 START 119.157
HIERARCH ESO ISS PBL13 END 119.648
HIERARCH ESO ISS PBLA13 START 75.0
HIERARCH ESO ISS PBLA13 END 75.5
HIERARCH ESO ISS PBL14 START 123.198
HIERARCH ESO ISS PBL14 END 123.48
HIERARCH ESO ISS PBLA14 START 53.154
HIERARCH ESO ISS PBLA14 END 53.696
HIERARCH ESO ISS PBL23 START 57.479
HIERARCH ESO ISS PBL23 END 57.537
HIERARCH ESO ISS PBLA23 START 38.2
HIERARCH ESO ISS PBLA23 END 38.7
HIERARCH ESO ISS PBL24 START 90.281
HIERARCH ESO ISS PBL24 END 90.267
HIERARCH ESO ISS PBLA24 START 12.18
HIERARCH ESO ISS PBLA24 END 12.586
HIERARCH ESO ISS PBL34 START 46.156
HIERARCH ESO ISS PBL34 END 46.212
HIERARCH ESO ISS PBLA34 START 339.028
HIERARCH ESO ISS PBLA34 END 339.291
HIERARCH ESO ISS AMBI TAU0 START 0.005193
HIERARCH ESO ISS AMBI TAU0 END 0.004876
HIERARCH ESO ISS AMBI TEMP 13.15
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.52