Exposure
ID
GRAVI.2025-05-24T04:30:27.024_1
Header ID
GRAVI.2025-05-24T04:30:27.024
Date updated
2025-05-24 04:40:52 UTC+0000
Release date
2025-05-24 04:30:27 UTC+0000
UTC Start
2025-05-24 04:30:27.024
UTC End
2025-05-24 04:33:07.024
MJD Start
60819.18781278
MJD End
60819.18966463186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0033959999999999997
Ambient temperature (°C)
12.35
Seeing (arcsec)
0.79
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 65.1190 65.3250 257.9000 258.4000
K0-D0 93.9960 94.1620 237.6000 238.1000
K0-J3 52.9610 53.0830 323.1940 323.4680
G2-D0 39.9640 39.9590 203.1000 203.5000
G2-J3 64.5010 64.5050 29.6860 30.1420
D0-J3 104.3010 104.2980 27.1600 27.6070
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 60819.18781278
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 65.119
HIERARCH ESO ISS PBL12 END 65.325
HIERARCH ESO ISS PBLA12 START 257.9
HIERARCH ESO ISS PBLA12 END 258.4
HIERARCH ESO ISS PBL13 START 93.996
HIERARCH ESO ISS PBL13 END 94.162
HIERARCH ESO ISS PBLA13 START 237.6
HIERARCH ESO ISS PBLA13 END 238.1
HIERARCH ESO ISS PBL14 START 52.961
HIERARCH ESO ISS PBL14 END 53.083
HIERARCH ESO ISS PBLA14 START 323.194
HIERARCH ESO ISS PBLA14 END 323.468
HIERARCH ESO ISS PBL23 START 39.964
HIERARCH ESO ISS PBL23 END 39.959
HIERARCH ESO ISS PBLA23 START 203.1
HIERARCH ESO ISS PBLA23 END 203.5
HIERARCH ESO ISS PBL24 START 64.501
HIERARCH ESO ISS PBL24 END 64.505
HIERARCH ESO ISS PBLA24 START 29.686
HIERARCH ESO ISS PBLA24 END 30.142
HIERARCH ESO ISS PBL34 START 104.301
HIERARCH ESO ISS PBL34 END 104.298
HIERARCH ESO ISS PBLA34 START 27.16
HIERARCH ESO ISS PBLA34 END 27.607
HIERARCH ESO ISS AMBI TAU0 START 0.003643
HIERARCH ESO ISS AMBI TAU0 END 0.003149
HIERARCH ESO ISS AMBI TEMP 12.35
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.83