Exposure
ID
GRAVI.2025-11-18T04:57:20.683_1
Header ID
GRAVI.2025-11-18T04:57:20.683
Date updated
2025-11-18 07:05:24 UTC+0000
Release date
2025-11-18 04:57:20 UTC+0000
UTC Start
2025-11-18 04:57:20.683
UTC End
2025-11-18 05:00:32.683
MJD Start
60997.20648939
MJD End
60997.20871161223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.0042474999999999995
Ambient temperature (°C)
15.4
Seeing (arcsec)
0.725
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 20.9950 21.1510 128.9000 129.0000
A0-D0 26.1480 26.3120 38.5000 39.4000
A0-C1 16.4290 16.6480 96.9230 97.2630
B2-D0 33.6550 33.6560 359.9000 0.4000
B2-C1 11.2120 11.2120 359.8680 0.4070
D0-C1 22.4440 22.4440 179.9140 180.4530
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 60997.20648939
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 20.995
HIERARCH ESO ISS PBL12 END 21.151
HIERARCH ESO ISS PBLA12 START 128.9
HIERARCH ESO ISS PBLA12 END 129.0
HIERARCH ESO ISS PBL13 START 26.148
HIERARCH ESO ISS PBL13 END 26.312
HIERARCH ESO ISS PBLA13 START 38.5
HIERARCH ESO ISS PBLA13 END 39.4
HIERARCH ESO ISS PBL14 START 16.429
HIERARCH ESO ISS PBL14 END 16.648
HIERARCH ESO ISS PBLA14 START 96.923
HIERARCH ESO ISS PBLA14 END 97.263
HIERARCH ESO ISS PBL23 START 33.655
HIERARCH ESO ISS PBL23 END 33.656
HIERARCH ESO ISS PBLA23 START 359.9
HIERARCH ESO ISS PBLA23 END 0.4
HIERARCH ESO ISS PBL24 START 11.212
HIERARCH ESO ISS PBL24 END 11.212
HIERARCH ESO ISS PBLA24 START 359.868
HIERARCH ESO ISS PBLA24 END 0.407
HIERARCH ESO ISS PBL34 START 22.444
HIERARCH ESO ISS PBL34 END 22.444
HIERARCH ESO ISS PBLA34 START 179.914
HIERARCH ESO ISS PBLA34 END 180.453
HIERARCH ESO ISS AMBI TAU0 START 0.003954
HIERARCH ESO ISS AMBI TAU0 END 0.004541
HIERARCH ESO ISS AMBI TEMP 15.4
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.69