Exposure
ID
GRAVI.2025-11-19T05:24:30.151_1
Header ID
GRAVI.2025-11-19T05:24:30.151
Date updated
2025-11-19 05:56:15 UTC+0000
Release date
2025-11-19 05:24:30 UTC+0000
UTC Start
2025-11-19 05:24:30.151
UTC End
2025-11-19 05:27:42.151
MJD Start
60998.22534897
MJD End
60998.22757119223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0064065
Ambient temperature (°C)
13.81
Seeing (arcsec)
0.78
Observation
ID
71781
Category
calibrator
Program ID
116.28P0.001
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 / ERCOLINO / JANIK
Target
ID
53289
Name
HD_58215
RA
110.86846
DEC
-27.83432
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-SPLIT
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.2150 22.3460 129.9000 130.1000
A0-D0 27.5470 27.7120 45.5000 46.2000
A0-C1 18.1590 18.3460 99.7350 100.0640
B2-D0 33.6750 33.6800 4.4000 5.0000
B2-C1 11.2180 11.2200 4.3890 4.9200
D0-C1 22.4570 22.4600 184.4400 184.9720
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28P0.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60998.22534897
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME HD 58215
HIERARCH ESO INS SOBJ NAME HD_58215
RA 110.86846
DEC -27.83432
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 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 222.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 22.215
HIERARCH ESO ISS PBL12 END 22.346
HIERARCH ESO ISS PBLA12 START 129.9
HIERARCH ESO ISS PBLA12 END 130.1
HIERARCH ESO ISS PBL13 START 27.547
HIERARCH ESO ISS PBL13 END 27.712
HIERARCH ESO ISS PBLA13 START 45.5
HIERARCH ESO ISS PBLA13 END 46.2
HIERARCH ESO ISS PBL14 START 18.159
HIERARCH ESO ISS PBL14 END 18.346
HIERARCH ESO ISS PBLA14 START 99.735
HIERARCH ESO ISS PBLA14 END 100.064
HIERARCH ESO ISS PBL23 START 33.675
HIERARCH ESO ISS PBL23 END 33.68
HIERARCH ESO ISS PBLA23 START 4.4
HIERARCH ESO ISS PBLA23 END 5.0
HIERARCH ESO ISS PBL24 START 11.218
HIERARCH ESO ISS PBL24 END 11.22
HIERARCH ESO ISS PBLA24 START 4.389
HIERARCH ESO ISS PBLA24 END 4.92
HIERARCH ESO ISS PBL34 START 22.457
HIERARCH ESO ISS PBL34 END 22.46
HIERARCH ESO ISS PBLA34 START 184.44
HIERARCH ESO ISS PBLA34 END 184.972
HIERARCH ESO ISS AMBI TAU0 START 0.006586
HIERARCH ESO ISS AMBI TAU0 END 0.006227
HIERARCH ESO ISS AMBI TEMP 13.81
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.82