Exposure
ID
GRAVI.2025-11-19T05:16:21.130_1
Header ID
GRAVI.2025-11-19T05:16:21.130
Date updated
2025-11-19 05:46:15 UTC+0000
Release date
2025-11-19 05:16:21 UTC+0000
UTC Start
2025-11-19 05:16:21.130
UTC End
2025-11-19 05:19:33.130
MJD Start
60998.21968901
MJD End
60998.22191123223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.008396
Ambient temperature (°C)
13.97
Seeing (arcsec)
0.7150000000000001
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 21.9140 22.0520 129.6000 129.7000
A0-D0 27.1790 27.3450 43.7000 44.5000
A0-C1 17.7290 17.9260 99.0020 99.3340
B2-D0 33.6660 33.6700 3.2000 3.8000
B2-C1 11.2150 11.2160 3.2030 3.7390
D0-C1 22.4510 22.4530 183.2530 183.7900
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 60998.21968901
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 21.914
HIERARCH ESO ISS PBL12 END 22.052
HIERARCH ESO ISS PBLA12 START 129.6
HIERARCH ESO ISS PBLA12 END 129.7
HIERARCH ESO ISS PBL13 START 27.179
HIERARCH ESO ISS PBL13 END 27.345
HIERARCH ESO ISS PBLA13 START 43.7
HIERARCH ESO ISS PBLA13 END 44.5
HIERARCH ESO ISS PBL14 START 17.729
HIERARCH ESO ISS PBL14 END 17.926
HIERARCH ESO ISS PBLA14 START 99.002
HIERARCH ESO ISS PBLA14 END 99.334
HIERARCH ESO ISS PBL23 START 33.666
HIERARCH ESO ISS PBL23 END 33.67
HIERARCH ESO ISS PBLA23 START 3.2
HIERARCH ESO ISS PBLA23 END 3.8
HIERARCH ESO ISS PBL24 START 11.215
HIERARCH ESO ISS PBL24 END 11.216
HIERARCH ESO ISS PBLA24 START 3.203
HIERARCH ESO ISS PBLA24 END 3.739
HIERARCH ESO ISS PBL34 START 22.451
HIERARCH ESO ISS PBL34 END 22.453
HIERARCH ESO ISS PBLA34 START 183.253
HIERARCH ESO ISS PBLA34 END 183.79
HIERARCH ESO ISS AMBI TAU0 START 0.008831
HIERARCH ESO ISS AMBI TAU0 END 0.007961
HIERARCH ESO ISS AMBI TEMP 13.97
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.66