Exposure
ID
GRAVI.2025-11-18T05:05:38.704_1
Header ID
GRAVI.2025-11-18T05:05:38.704
Date updated
2025-11-18 07:05:24 UTC+0000
Release date
2025-11-18 05:05:38 UTC+0000
UTC Start
2025-11-18 05:05:38.704
UTC End
2025-11-18 05:08:50.704
MJD Start
60997.21225352
MJD End
60997.21447574223
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004128
Ambient temperature (°C)
15.47
Seeing (arcsec)
0.72
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 21.3400 21.4890 129.1000 129.3000
A0-D0 26.5180 26.6840 40.4000 41.3000
A0-C1 16.9140 17.1250 97.6810 98.0170
B2-D0 33.6570 33.6580 1.1000 1.6000
B2-C1 11.2120 11.2130 1.0750 1.6130
D0-C1 22.4450 22.4460 181.1220 181.6610
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 60997.21225352
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 21.34
HIERARCH ESO ISS PBL12 END 21.489
HIERARCH ESO ISS PBLA12 START 129.1
HIERARCH ESO ISS PBLA12 END 129.3
HIERARCH ESO ISS PBL13 START 26.518
HIERARCH ESO ISS PBL13 END 26.684
HIERARCH ESO ISS PBLA13 START 40.4
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 16.914
HIERARCH ESO ISS PBL14 END 17.125
HIERARCH ESO ISS PBLA14 START 97.681
HIERARCH ESO ISS PBLA14 END 98.017
HIERARCH ESO ISS PBL23 START 33.657
HIERARCH ESO ISS PBL23 END 33.658
HIERARCH ESO ISS PBLA23 START 1.1
HIERARCH ESO ISS PBLA23 END 1.6
HIERARCH ESO ISS PBL24 START 11.212
HIERARCH ESO ISS PBL24 END 11.213
HIERARCH ESO ISS PBLA24 START 1.075
HIERARCH ESO ISS PBLA24 END 1.613
HIERARCH ESO ISS PBL34 START 22.445
HIERARCH ESO ISS PBL34 END 22.446
HIERARCH ESO ISS PBLA34 START 181.122
HIERARCH ESO ISS PBLA34 END 181.661
HIERARCH ESO ISS AMBI TAU0 START 0.003682
HIERARCH ESO ISS AMBI TAU0 END 0.004574
HIERARCH ESO ISS AMBI TEMP 15.47
HIERARCH ESO ISS AMBI FWHM START 0.78
HIERARCH ESO ISS AMBI FWHM END 0.66