Exposure
ID
GRAVI.2025-11-18T05:14:35.727_1
Header ID
GRAVI.2025-11-18T05:14:35.727
Date updated
2025-11-18 07:05:24 UTC+0000
Release date
2025-11-18 05:14:35 UTC+0000
UTC Start
2025-11-18 05:14:35.727
UTC End
2025-11-18 05:17:47.727
MJD Start
60997.21846906
MJD End
60997.22069128222
Exposure time (s)
192.0
Validation level
1
Tau 0: Coherence time (s)
0.004258
Ambient temperature (°C)
15.12
Seeing (arcsec)
0.655
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 21.6960 21.8390 129.4000 129.5000
A0-D0 26.9210 27.0880 42.5000 43.3000
A0-C1 17.4190 17.6210 98.4900 98.8230
B2-D0 33.6610 33.6640 2.4000 2.9000
B2-C1 11.2140 11.2140 2.3760 2.9130
D0-C1 22.4480 22.4500 182.4250 182.9630
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 60997.21846906
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 21.696
HIERARCH ESO ISS PBL12 END 21.839
HIERARCH ESO ISS PBLA12 START 129.4
HIERARCH ESO ISS PBLA12 END 129.5
HIERARCH ESO ISS PBL13 START 26.921
HIERARCH ESO ISS PBL13 END 27.088
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 17.419
HIERARCH ESO ISS PBL14 END 17.621
HIERARCH ESO ISS PBLA14 START 98.49
HIERARCH ESO ISS PBLA14 END 98.823
HIERARCH ESO ISS PBL23 START 33.661
HIERARCH ESO ISS PBL23 END 33.664
HIERARCH ESO ISS PBLA23 START 2.4
HIERARCH ESO ISS PBLA23 END 2.9
HIERARCH ESO ISS PBL24 START 11.214
HIERARCH ESO ISS PBL24 END 11.214
HIERARCH ESO ISS PBLA24 START 2.376
HIERARCH ESO ISS PBLA24 END 2.913
HIERARCH ESO ISS PBL34 START 22.448
HIERARCH ESO ISS PBL34 END 22.45
HIERARCH ESO ISS PBLA34 START 182.425
HIERARCH ESO ISS PBLA34 END 182.963
HIERARCH ESO ISS AMBI TAU0 START 0.004354
HIERARCH ESO ISS AMBI TAU0 END 0.004162
HIERARCH ESO ISS AMBI TEMP 15.12
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.67